diff options
Diffstat (limited to 'sys/lib/libkern')
117 files changed, 7600 insertions, 0 deletions
diff --git a/sys/lib/libkern/Makefile b/sys/lib/libkern/Makefile new file mode 100644 index 00000000000..8282d8b9100 --- /dev/null +++ b/sys/lib/libkern/Makefile @@ -0,0 +1,46 @@ +# $NetBSD: Makefile,v 1.23 1995/10/07 09:56:54 mycroft Exp $ + +LIB= kern +NOPIC= + +DIR=${KERNREL}${KERNDIR} + +.if exists (${DIR}/arch/${MACHINE_ARCH}/Makefile.inc) +.PATH: ${DIR}/arch/${MACHINE_ARCH} +.include "${DIR}/arch/${MACHINE_ARCH}/Makefile.inc" +.endif + +.PATH: ${DIR} + +CC = ${KERNCC} +CFLAGS += -I${DIR}/arch/${MACHINE_ARCH} \ + ${KERNCFLAGS:S/-D_KERNEL//:S@-I.@-I${KERNREL}.@g} + +.if (${MACHINE_ARCH} != "alpha") +# Quad support +SRCS+= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ + lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ + subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c +.endif + +# Other stuff +SRCS+= + +# mcount cannot be compiled with profiling +mcount.po: mcount.o + cp mcount.o mcount.po + +install: + +.include <bsd.lib.mk> + +lib${LIB}.o:: ${OBJS} + @echo building standard ${LIB} library + @rm -f lib${LIB}.o + @${LD} -r -o lib${LIB}.o `lorder ${OBJS} | tsort` + +POBJS+= ${OBJS:.o=.po} mcount.po +lib${LIB}.po:: ${POBJS} + @echo building profiled ${LIB} library + @rm -f lib${LIB}.po + @${LD} -r -o lib${LIB}.po `lorder ${POBJS} | tsort` diff --git a/sys/lib/libkern/Makefile.inc b/sys/lib/libkern/Makefile.inc new file mode 100644 index 00000000000..1c0a003a913 --- /dev/null +++ b/sys/lib/libkern/Makefile.inc @@ -0,0 +1,37 @@ +# $NetBSD: Makefile.inc,v 1.12 1995/10/07 09:56:55 mycroft Exp $ +# +# NOTE: $S must correspond to the top of the 'sys' tree + +KERNDIR= $S/lib/libkern + +KERNDST= lib/kern +KERNREL?= ../../ +KERNLIB?= ${KERNDST}/libkern.o +KERNLIB_PROF= ${KERNDST}/libkern.po + +${KERNLIB}: .NOTMAIN __always_make_kernlib + @echo making sure the kern library is up to date... + @(cd ${KERNDST} && ${MAKE} -f ${KERNREL}${KERNDIR}/Makefile \ + KERNCC="${CC}" \ + KERNCFLAGS="${CFLAGS}" \ + KERNREL="${KERNREL}" \ + KERNDIR="${KERNDIR}" libkern.o) + +${KERNLIB_PROF}: .NOTMAIN __always_make_kernlib + @echo making sure the profiled kern library is up to date... + @(cd ${KERNDST} && ${MAKE} -f ${KERNREL}${KERNDIR}/Makefile \ + KERNCC="${CC}" \ + KERNCFLAGS="${CFLAGS}" \ + KERNREL="${KERNREL}" \ + KERNDIR="${KERNDIR}" libkern.po) + +clean:: .NOTMAIN __always_make_kernlib + @echo cleaning the kern library objects + @(cd ${KERNDST} && ${MAKE} -f ${KERNREL}${KERNDIR}/Makefile \ + KERNCC="${CC}" \ + KERNCFLAGS="${CFLAGS}" \ + KERNREL="${KERNREL}" \ + KERNDIR="${KERNDIR}" clean) + +__always_make_kernlib: .NOTMAIN + @([ -d ${KERNDST} ] || mkdir -p ${KERNDST}) diff --git a/sys/lib/libkern/__main.c b/sys/lib/libkern/__main.c new file mode 100644 index 00000000000..aa2be9a7509 --- /dev/null +++ b/sys/lib/libkern/__main.c @@ -0,0 +1,35 @@ +/* $NetBSD: __main.c,v 1.3 1994/10/26 06:42:13 cgd Exp $ */ + +/* + * Copyright (c) 1993 Christopher G. Demetriou + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christopher G. Demetriou. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +__main() +{ +} diff --git a/sys/lib/libkern/adddi3.c b/sys/lib/libkern/adddi3.c new file mode 100644 index 00000000000..54e86eb3744 --- /dev/null +++ b/sys/lib/libkern/adddi3.c @@ -0,0 +1,66 @@ +/* $NetBSD: adddi3.c,v 1.5 1995/10/07 09:26:14 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)adddi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: adddi3.c,v 1.5 1995/10/07 09:26:14 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Add two quads. This is trivial since a one-bit carry from a single + * u_long addition x+y occurs if and only if the sum x+y is less than + * either x or y (the choice to compare with x or y is arbitrary). + */ +quad_t +__adddi3(a, b) + quad_t a, b; +{ + union uu aa, bb, sum; + + aa.q = a; + bb.q = b; + sum.ul[L] = aa.ul[L] + bb.ul[L]; + sum.ul[H] = aa.ul[H] + bb.ul[H] + (sum.ul[L] < bb.ul[L]); + return (sum.q); +} diff --git a/sys/lib/libkern/anddi3.c b/sys/lib/libkern/anddi3.c new file mode 100644 index 00000000000..26ccf39d80b --- /dev/null +++ b/sys/lib/libkern/anddi3.c @@ -0,0 +1,64 @@ +/* $NetBSD: anddi3.c,v 1.5 1995/10/07 09:26:15 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)anddi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: anddi3.c,v 1.5 1995/10/07 09:26:15 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return a & b, in quad. + */ +quad_t +__anddi3(a, b) + quad_t a, b; +{ + union uu aa, bb; + + aa.q = a; + bb.q = b; + aa.ul[0] &= bb.ul[0]; + aa.ul[1] &= bb.ul[1]; + return (aa.q); +} diff --git a/sys/lib/libkern/arch/alpha/DEFS.h b/sys/lib/libkern/arch/alpha/DEFS.h new file mode 100644 index 00000000000..0d16d3972ad --- /dev/null +++ b/sys/lib/libkern/arch/alpha/DEFS.h @@ -0,0 +1,30 @@ +/* $NetBSD: DEFS.h,v 1.1 1995/02/13 21:49:11 cgd Exp $ */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <machine/asm.h> diff --git a/sys/lib/libkern/arch/alpha/Makefile.inc b/sys/lib/libkern/arch/alpha/Makefile.inc new file mode 100644 index 00000000000..648b0a9ebb8 --- /dev/null +++ b/sys/lib/libkern/arch/alpha/Makefile.inc @@ -0,0 +1,52 @@ +# $Id: Makefile.inc,v 1.1 1995/10/18 08:52:51 deraadt Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + bcmp.c bzero.c ffs.c strcat.c strcmp.c strcpy.c strlen.c strncmp.c \ + strncpy.c scanc.c skpc.c locc.c htonl.c htons.c ntohl.c ntohs.c \ + random.c + +# `source' files built from m4 source +SRCS+= __divqu.S __divq.S __divlu.S __divl.S +SRCS+= __remqu.S __remq.S __remlu.S __reml.S +CLEANFILES+= __divqu.S __divq.S __divlu.S __divl.S +CLEANFILES+= __remqu.S __remq.S __remlu.S __reml.S + +__divqu.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__divqu')define(OP,\`div')define(S,\`false')"; \ + echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__divq.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__divq')define(OP,\`div')define(S,\`true')"; \ + echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__divlu.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__divlu')define(OP,\`div')define(S,\`false')"; \ + echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__divl.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__divl')define(OP,\`div')define(S,\`true')"; \ + echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__remqu.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__remqu')define(OP,\`rem')define(S,\`false')"; \ + echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__remq.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__remq')define(OP,\`rem')define(S,\`true')"; \ + echo "define(WORDSIZE,64)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__remlu.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__remlu')define(OP,\`rem')define(S,\`false')"; \ + echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET} + +__reml.S: ${DIR}/arch/alpha/divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`__reml')define(OP,\`rem')define(S,\`true')"; \ + echo "define(WORDSIZE,32)"; cat ${.ALLSRC}) | m4 > ${.TARGET} diff --git a/sys/lib/libkern/arch/alpha/SYS.h b/sys/lib/libkern/arch/alpha/SYS.h new file mode 100644 index 00000000000..738dda0ee01 --- /dev/null +++ b/sys/lib/libkern/arch/alpha/SYS.h @@ -0,0 +1,53 @@ +/* $NetBSD: SYS.h,v 1.1 1995/02/13 21:49:13 cgd Exp $ */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +#include <machine/asm.h> +#include <sys/syscall.h> + +#define CALLSYS(num) \ + CONST(num, v0); \ + call_pal 0x83; /* op_callsys */ + +#define SYSCALL_NOLABEL(x) \ + CALLSYS(SYS_/**/x); \ + beq a3, 9f; \ + br gp, 8f; \ +8: SETGP(gp); \ + lda at_reg, cerror; \ + jmp zero, (at_reg); \ +9: + +#define SYSCALL(x) LEAF(x, 0 /* XXX */); SYSCALL_NOLABEL(x); +#define RSYSCALL(x) SYSCALL(x); RET; END(x); + +#define PSEUDO(x,y) \ +LEAF(x,0); /* unknown # of args */ \ + CALLSYS(SYS_/**/y); \ + RET; \ +END(x); diff --git a/sys/lib/libkern/arch/alpha/divrem.m4 b/sys/lib/libkern/arch/alpha/divrem.m4 new file mode 100644 index 00000000000..dd33e37b527 --- /dev/null +++ b/sys/lib/libkern/arch/alpha/divrem.m4 @@ -0,0 +1,180 @@ +/* $NetBSD: divrem.m4,v 1.2 1995/03/03 01:14:11 cgd Exp $ */ + +/* + * Copyright (c) 1994, 1995 Carnegie-Mellon University. + * All rights reserved. + * + * Author: Chris G. Demetriou + * + * Permission to use, copy, modify and distribute this software and + * its documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie the + * rights to redistribute these changes. + */ + +/* + * Division and remainder. + * + * The use of m4 is modeled after the sparc code, but the algorithm is + * simple binary long division. + * + * Note that the loops could probably benefit from unrolling. + */ + +/* + * M4 Parameters + * NAME name of function to generate + * OP OP=div: t10 / t11 -> t12; OP=rem: t10 % t11 -> t12 + * S S=true: signed; S=false: unsigned [XXX NOT YET] + * WORDSIZE total number of bits + */ + +define(A, `t10') +define(B, `t11') +define(RESULT, `t12') + +define(BIT, `t0') +define(I, `t1') +define(CC, `t2') +define(T_0, `t3') +ifelse(S, `true', `define(SIGN, `t4')') + +#include "DEFS.h" + +LEAF(NAME, 0) /* XXX */ + lda sp, -48(sp) + stq BIT, 0(sp) + stq I, 8(sp) + stq CC, 16(sp) + stq T_0, 24(sp) +ifelse(S, `true', +` stq SIGN, 32(sp)') + mov zero, RESULT /* Initialize result to zero */ + +ifelse(S, `true', +` + /* Compute sign of result. If either is negative, this is easy. */ + or A, B, SIGN /* not the sign, but... */ + bgt SIGN, Ldoit /* neither negative? do it! */ + +ifelse(OP, `div', +` xor A, B, SIGN /* THIS is the sign! */ +', ` mov A, SIGN /* sign follows A. */ +') + bge A, LnegB /* see if A is negative */ + /* A is negative; flip it. */ + subq zero, A, A + bge B, Ldoit /* see if B is negative */ +LnegB: + /* B is definitely negative, no matter how we got here. */ + subq zero, B, B +Ldoit: +', ` +ifelse(WORDSIZE, `32', ` + /* + * Clear the top 32 bits of each operand, as the compiler may + * have sign extended them, if the 31st bit was set. + */ + zap A, 0xf0, A + zap B, 0xf0, B +')' ) + + /* kill the special cases. */ + beq B, Ldotrap /* division by zero! XXX */ + +1: cmpult A, B, CC /* A < B? */ + /* RESULT is already zero, from above. A is untouched. */ + bne CC, Lret_result + + cmpeq A, B, CC /* A == B? */ + cmovne CC, 1, RESULT + cmovne CC, zero, A + bne CC, Lret_result + + /* + * Find out how many bits of zeros are at the beginning of the divisor. + */ +LBbits: + CONST(1, T_0) /* I = 0; BIT = 1<<WORDSIZE-1 */ + mov zero, I + sll T_0, WORDSIZE-1, BIT +LBloop: + and B, BIT, CC /* if bit in B is set, done. */ + bne CC, LAbits + addq I, 1, I /* increment I, shift bit */ + srl BIT, 1, BIT + cmplt I, WORDSIZE-1, CC /* if I leaves one bit, done. */ + bne CC, LBloop + +LAbits: + beq I, Ldodiv /* If I = 0, divide now. */ + CONST(1, T_0) /* BIT = 1<<WORDSIZE-1 */ + sll T_0, WORDSIZE-1, BIT + +LAloop: + and A, BIT, CC /* if bit in A is set, done. */ + bne CC, Ldodiv + subq I, 1, I /* decrement I, shift bit */ + srl BIT, 1, BIT + bne I, LAloop /* If I != 0, loop again */ + +Ldodiv: + sll B, I, B /* B <<= i */ + CONST(1, T_0) + sll T_0, I, BIT + +Ldivloop: + cmpult A, B, CC + or RESULT, BIT, T_0 + cmoveq CC, T_0, RESULT + subq A, B, T_0 + cmoveq CC, T_0, A + srl BIT, 1, BIT + srl B, 1, B + beq A, Lret_result + bne BIT, Ldivloop + +Lret_result: +ifelse(OP, `div', +`', ` mov A, RESULT +') +ifelse(S, `true', +` + /* Check to see if we should negate it. */ + subqv zero, RESULT, T_0 + cmovlt SIGN, T_0, RESULT +') + + ldq BIT, 0(sp) + ldq I, 8(sp) + ldq CC, 16(sp) + ldq T_0, 24(sp) +ifelse(S, `true', +` ldq SIGN, 32(sp)') + lda sp, 48(sp) + ret zero, (t9), 1 + +Ldotrap: + CONST(-2, a0) /* This is the signal to SIGFPE! */ + call_pal PAL_gentrap +ifelse(OP, `div', +`', ` mov zero, A /* so that zero will be returned */ +') + br zero, Lret_result + +END(NAME) diff --git a/sys/lib/libkern/arch/i386/DEFS.h b/sys/lib/libkern/arch/i386/DEFS.h new file mode 100644 index 00000000000..ca70b826b19 --- /dev/null +++ b/sys/lib/libkern/arch/i386/DEFS.h @@ -0,0 +1,3 @@ +/* $Id: DEFS.h,v 1.1 1995/10/18 08:52:51 deraadt Exp $ */ + +#include <machine/asm.h> diff --git a/sys/lib/libkern/arch/i386/Makefile.inc b/sys/lib/libkern/arch/i386/Makefile.inc new file mode 100644 index 00000000000..533df315a66 --- /dev/null +++ b/sys/lib/libkern/arch/i386/Makefile.inc @@ -0,0 +1,5 @@ +# $NetBSD: Makefile.inc,v 1.7 1995/10/07 09:52:48 mycroft Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + bcmp.S ffs.S strcat.S strcmp.S strcpy.S strlen.S strncmp.c \ + strncpy.c scanc.S skpc.S locc.S htonl.S htons.S ntohl.S ntohs.S diff --git a/sys/lib/libkern/arch/i386/SYS.h b/sys/lib/libkern/arch/i386/SYS.h new file mode 100644 index 00000000000..2bf8406358e --- /dev/null +++ b/sys/lib/libkern/arch/i386/SYS.h @@ -0,0 +1,48 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)SYS.h 5.5 (Berkeley) 5/7/91 + * $Id: SYS.h,v 1.1 1995/10/18 08:52:51 deraadt Exp $ + */ + +#include <machine/asm.h> +#include <sys/syscall.h> + +#define SYSCALL(x) .text; .align 2; 2: jmp PIC_PLT(cerror); ENTRY(x); movl $(SYS_/**/x),%eax; int $0x80; jc 2b +#define RSYSCALL(x) SYSCALL(x); ret +#define PSEUDO(x,y) ENTRY(x); movl $(SYS_/**/y),%eax; int $0x80; ret +#define CALL(x,y) call PIC_PLT(_/**/y); addl $4*x,%esp + + .globl cerror diff --git a/sys/lib/libkern/arch/i386/bcmp.S b/sys/lib/libkern/arch/i386/bcmp.S new file mode 100644 index 00000000000..12d344216cc --- /dev/null +++ b/sys/lib/libkern/arch/i386/bcmp.S @@ -0,0 +1,35 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: bcmp.S,v 1.5 1995/10/07 09:27:01 mycroft Exp $") +#endif + +ENTRY(bcmp) + pushl %edi + pushl %esi + movl 12(%esp),%edi + movl 16(%esp),%esi + xorl %eax,%eax /* clear return value */ + cld /* set compare direction forward */ + + movl 20(%esp),%ecx /* compare by words */ + shrl $2,%ecx + repe + cmpsl + jne L1 + + movl 20(%esp),%ecx /* compare remainder by bytes */ + andl $3,%ecx + repe + cmpsb + je L2 + +L1: incl %eax +L2: popl %esi + popl %edi + ret diff --git a/sys/lib/libkern/arch/i386/bzero.S b/sys/lib/libkern/arch/i386/bzero.S new file mode 100644 index 00000000000..64a96c519bb --- /dev/null +++ b/sys/lib/libkern/arch/i386/bzero.S @@ -0,0 +1,46 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: bzero.S,v 1.5 1995/10/07 09:27:02 mycroft Exp $") +#endif + +ENTRY(bzero) + pushl %edi + movl 8(%esp),%edi + movl 12(%esp),%edx + + cld /* set fill direction forward */ + xorl %eax,%eax /* set fill data to 0 */ + + /* + * if the string is too short, it's really not worth the overhead + * of aligning to word boundries, etc. So we jump to a plain + * unaligned set. + */ + cmpl $16,%edx + jb L1 + + movl %edi,%ecx /* compute misalignment */ + negl %ecx + andl $3,%ecx + subl %ecx,%edx + rep /* zero until word aligned */ + stosb + + movl %edx,%ecx /* zero by words */ + shrl $2,%ecx + andl $3,%edx + rep + stosl + +L1: movl %edx,%ecx /* zero remainder by bytes */ + rep + stosb + + popl %edi + ret diff --git a/sys/lib/libkern/arch/i386/ffs.S b/sys/lib/libkern/arch/i386/ffs.S new file mode 100644 index 00000000000..cf4daaa7fbb --- /dev/null +++ b/sys/lib/libkern/arch/i386/ffs.S @@ -0,0 +1,20 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: ffs.S,v 1.5 1995/10/07 09:27:03 mycroft Exp $") +#endif + +ENTRY(ffs) + bsfl 4(%esp),%eax + jz L1 /* ZF is set if all bits are 0 */ + incl %eax /* bits numbered from 1, not 0 */ + ret + + .align 2 +L1: xorl %eax,%eax /* clear result */ + ret diff --git a/sys/lib/libkern/arch/i386/htonl.S b/sys/lib/libkern/arch/i386/htonl.S new file mode 100644 index 00000000000..054ee84cbb0 --- /dev/null +++ b/sys/lib/libkern/arch/i386/htonl.S @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)htonl.s 5.3 (Berkeley) 12/17/90 + * $Id: htonl.S,v 1.1 1995/10/18 08:52:51 deraadt Exp $ + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) +RCSID("$Id: htonl.S,v 1.1 1995/10/18 08:52:51 deraadt Exp $") +#endif + +/* netorder = htonl(hostorder) */ +ENTRY(htonl) + movl 4(%esp),%eax + rorw $8,%ax + roll $16,%eax + rorw $8,%ax + ret diff --git a/sys/lib/libkern/arch/i386/htons.S b/sys/lib/libkern/arch/i386/htons.S new file mode 100644 index 00000000000..fd5b8e58602 --- /dev/null +++ b/sys/lib/libkern/arch/i386/htons.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)htons.s 5.2 (Berkeley) 12/17/90 + * $Id: htons.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $ + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) +RCSID("$Id: htons.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $") +#endif + +/* netorder = htons(hostorder) */ +ENTRY(htons) + movzwl 4(%esp),%eax + rorw $8,%ax + ret diff --git a/sys/lib/libkern/arch/i386/locc.S b/sys/lib/libkern/arch/i386/locc.S new file mode 100644 index 00000000000..ad63e8864dc --- /dev/null +++ b/sys/lib/libkern/arch/i386/locc.S @@ -0,0 +1,47 @@ +/* $NetBSD: locc.S,v 1.2 1994/10/26 06:39:10 cgd Exp $ */ + +/* + * Copyright (c) 1994 Charles Hannum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles Hannum. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "DEFS.h" + +ENTRY(locc) + pushl %edi + movl 16(%esp),%edi + movl 12(%esp),%ecx + movl 8(%esp),%eax + cld + repne + scasb + jne 1f + incl %ecx +1: + movl %ecx,%eax + popl %edi + ret diff --git a/sys/lib/libkern/arch/i386/ntohl.S b/sys/lib/libkern/arch/i386/ntohl.S new file mode 100644 index 00000000000..4f05c8e6902 --- /dev/null +++ b/sys/lib/libkern/arch/i386/ntohl.S @@ -0,0 +1,52 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)ntohl.s 5.2 (Berkeley) 12/17/90 + * $Id: ntohl.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $ + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) +RCSID("$Id: ntohl.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $") +#endif + +/* hostorder = ntohl(netorder) */ +ENTRY(ntohl) + movl 4(%esp),%eax + rorw $8,%ax + roll $16,%eax + rorw $8,%ax + ret diff --git a/sys/lib/libkern/arch/i386/ntohs.S b/sys/lib/libkern/arch/i386/ntohs.S new file mode 100644 index 00000000000..3b004f16927 --- /dev/null +++ b/sys/lib/libkern/arch/i386/ntohs.S @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)ntohs.s 5.2 (Berkeley) 12/17/90 + * $Id: ntohs.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $ + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) +RCSID("$Id: ntohs.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $") +#endif + +/* hostorder = ntohs(netorder) */ +ENTRY(ntohs) + movzwl 4(%esp),%eax + rorw $8,%ax + ret diff --git a/sys/lib/libkern/arch/i386/scanc.S b/sys/lib/libkern/arch/i386/scanc.S new file mode 100644 index 00000000000..e3beedb52a2 --- /dev/null +++ b/sys/lib/libkern/arch/i386/scanc.S @@ -0,0 +1,56 @@ +/* $NetBSD: scanc.S,v 1.5 1994/10/26 06:39:13 cgd Exp $ */ + +/* + * Copyright (c) 1994 Charles Hannum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles Hannum. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "DEFS.h" + +ENTRY(scanc) + movl 4(%esp),%ecx + testl %ecx,%ecx + jz 3f + pushl %esi + pushl %edi + movl 16(%esp),%esi + movl 20(%esp),%edi + movb 24(%esp),%dl + xorl %eax,%eax + cld +1: + lodsb + testb %dl,(%eax,%edi) + jnz 2f + decl %ecx + jnz 1b +2: + popl %edi + popl %esi +3: + movl %ecx,%eax + ret diff --git a/sys/lib/libkern/arch/i386/setjmp.S b/sys/lib/libkern/arch/i386/setjmp.S new file mode 100644 index 00000000000..e81206cc623 --- /dev/null +++ b/sys/lib/libkern/arch/i386/setjmp.S @@ -0,0 +1,92 @@ +/* $NetBSD: setjmp.S,v 1.5 1994/10/26 06:39:14 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)setjmp.s 5.1 (Berkeley) 4/23/90 + */ + +#if defined(LIBC_SCCS) + .text + .asciz "$NetBSD: setjmp.S,v 1.5 1994/10/26 06:39:14 cgd Exp $" +#endif + +/* + * C library -- _setjmp, _longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from the last call to + * setjmp(a) + * by restoring registers from the stack. + * The previous signal state is restored. + */ + +#include "DEFS.h" +#include "SYS.h" + +ENTRY(setjmp) + pushl $0 + call PIC_PLT(_sigblock) + popl %edx + movl 4(%esp),%ecx + movl 0(%esp),%edx + movl %edx, 0(%ecx) + movl %ebx, 4(%ecx) + movl %esp, 8(%ecx) + movl %ebp,12(%ecx) + movl %esi,16(%ecx) + movl %edi,20(%ecx) + movl %eax,24(%ecx) + xorl %eax,%eax + ret + +ENTRY(longjmp) + movl 4(%esp),%edx + pushl 24(%edx) + call PIC_PLT(_sigsetmask) + popl %eax + movl 4(%esp),%edx + movl 8(%esp),%eax + movl 0(%edx),%ecx + movl 4(%edx),%ebx + movl 8(%edx),%esp + movl 12(%edx),%ebp + movl 16(%edx),%esi + movl 20(%edx),%edi + testl %eax,%eax + jnz 1f + incl %eax +1: movl %ecx,0(%esp) + ret diff --git a/sys/lib/libkern/arch/i386/skpc.S b/sys/lib/libkern/arch/i386/skpc.S new file mode 100644 index 00000000000..99e0e07b1ed --- /dev/null +++ b/sys/lib/libkern/arch/i386/skpc.S @@ -0,0 +1,47 @@ +/* $NetBSD: skpc.S,v 1.2 1994/10/26 06:39:15 cgd Exp $ */ + +/* + * Copyright (c) 1994 Charles Hannum. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Charles Hannum. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "DEFS.h" + +ENTRY(skpc) + pushl %edi + movl 16(%esp),%edi + movl 12(%esp),%ecx + movl 8(%esp),%eax + cld + repe + scasb + je 1f + incl %ecx +1: + movl %ecx,%eax + popl %edi + ret diff --git a/sys/lib/libkern/arch/i386/strcat.S b/sys/lib/libkern/arch/i386/strcat.S new file mode 100644 index 00000000000..bd4c63914f2 --- /dev/null +++ b/sys/lib/libkern/arch/i386/strcat.S @@ -0,0 +1,69 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: strcat.S,v 1.6 1995/10/07 09:27:08 mycroft Exp $") +#endif + +/* + * NOTE: I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cache. + */ + +ENTRY(strcat) + pushl %edi /* save edi */ + movl 8(%esp),%edi /* dst address */ + movl 12(%esp),%edx /* src address */ + pushl %edi /* push destination address */ + + cld /* set search forward */ + xorl %eax,%eax /* set search for null terminator */ + movl $-1,%ecx /* set search for lots of characters */ + repne /* search! */ + scasb + + leal -1(%edi),%ecx /* correct dst address */ + + .align 2,0x90 +L1: movb (%edx),%al /* unroll loop, but not too much */ + movb %al,(%ecx) + testb %al,%al + jz L2 + movb 1(%edx),%al + movb %al,1(%ecx) + testb %al,%al + jz L2 + movb 2(%edx),%al + movb %al,2(%ecx) + testb %al,%al + jz L2 + movb 3(%edx),%al + movb %al,3(%ecx) + testb %al,%al + jz L2 + movb 4(%edx),%al + movb %al,4(%ecx) + testb %al,%al + jz L2 + movb 5(%edx),%al + movb %al,5(%ecx) + testb %al,%al + jz L2 + movb 6(%edx),%al + movb %al,6(%ecx) + testb %al,%al + jz L2 + movb 7(%edx),%al + movb %al,7(%ecx) + addl $8,%edx + addl $8,%ecx + testb %al,%al + jnz L1 +L2: popl %eax /* pop destination address */ + popl %edi /* restore edi */ + ret diff --git a/sys/lib/libkern/arch/i386/strcmp.S b/sys/lib/libkern/arch/i386/strcmp.S new file mode 100644 index 00000000000..963aa14b0a5 --- /dev/null +++ b/sys/lib/libkern/arch/i386/strcmp.S @@ -0,0 +1,84 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: strcmp.S,v 1.6 1995/10/07 09:27:10 mycroft Exp $") +#endif + +/* + * NOTE: I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cache. + */ + +ENTRY(strcmp) + movl 0x04(%esp),%eax + movl 0x08(%esp),%edx + jmp L2 /* Jump into the loop! */ + + .align 2,0x90 +L1: incl %eax + incl %edx +L2: movb (%eax),%cl + testb %cl,%cl /* null terminator??? */ + jz L3 + cmpb %cl,(%edx) /* chars match??? */ + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + jne L3 + incl %eax + incl %edx + movb (%eax),%cl + testb %cl,%cl + jz L3 + cmpb %cl,(%edx) + je L1 + .align 2, 0x90 +L3: movzbl (%eax),%eax /* unsigned comparison */ + movzbl (%edx),%edx + subl %edx,%eax + ret diff --git a/sys/lib/libkern/arch/i386/strcpy.S b/sys/lib/libkern/arch/i386/strcpy.S new file mode 100644 index 00000000000..e1531c1935a --- /dev/null +++ b/sys/lib/libkern/arch/i386/strcpy.S @@ -0,0 +1,59 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: strcpy.S,v 1.6 1995/10/07 09:27:11 mycroft Exp $") +#endif + +/* + * NOTE: I've unrolled the loop eight times: large enough to make a + * significant difference, and small enough not to totally trash the + * cache. + */ + +ENTRY(strcpy) + movl 4(%esp),%ecx /* dst address */ + movl 8(%esp),%edx /* src address */ + pushl %ecx /* push dst address */ + + .align 2,0x90 +L1: movb (%edx),%al /* unroll loop, but not too much */ + movb %al,(%ecx) + testb %al,%al + jz L2 + movb 1(%edx),%al + movb %al,1(%ecx) + testb %al,%al + jz L2 + movb 2(%edx),%al + movb %al,2(%ecx) + testb %al,%al + jz L2 + movb 3(%edx),%al + movb %al,3(%ecx) + testb %al,%al + jz L2 + movb 4(%edx),%al + movb %al,4(%ecx) + testb %al,%al + jz L2 + movb 5(%edx),%al + movb %al,5(%ecx) + testb %al,%al + jz L2 + movb 6(%edx),%al + movb %al,6(%ecx) + testb %al,%al + jz L2 + movb 7(%edx),%al + movb %al,7(%ecx) + addl $8,%edx + addl $8,%ecx + testb %al,%al + jnz L1 +L2: popl %eax /* pop dst address */ + ret diff --git a/sys/lib/libkern/arch/i386/strlen.S b/sys/lib/libkern/arch/i386/strlen.S new file mode 100644 index 00000000000..766385c6a89 --- /dev/null +++ b/sys/lib/libkern/arch/i386/strlen.S @@ -0,0 +1,23 @@ +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#include <machine/asm.h> + +#if defined(LIBC_SCCS) + RCSID("$NetBSD: strlen.S,v 1.5 1995/10/07 09:27:12 mycroft Exp $") +#endif + +ENTRY(strlen) + pushl %edi + movl 8(%esp),%edi /* string address */ + cld /* set search forward */ + xorl %eax,%eax /* set search for null terminator */ + movl $-1,%ecx /* set search for lots of characters */ + repne /* search! */ + scasb + notl %ecx /* get length by taking complement */ + leal -1(%ecx),%eax /* and subtracting one */ + popl %edi + ret diff --git a/sys/lib/libkern/arch/m68k/DEFS.h b/sys/lib/libkern/arch/m68k/DEFS.h new file mode 100644 index 00000000000..0ccd3f048fa --- /dev/null +++ b/sys/lib/libkern/arch/m68k/DEFS.h @@ -0,0 +1,3 @@ +/* $NetBSD: DEFS.h,v 1.2 1994/10/26 06:39:21 cgd Exp $ */ + +#include <machine/asm.h> diff --git a/sys/lib/libkern/arch/m68k/Makefile.inc b/sys/lib/libkern/arch/m68k/Makefile.inc new file mode 100644 index 00000000000..1f8844f6f87 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/Makefile.inc @@ -0,0 +1,5 @@ +# $NetBSD: Makefile.inc,v 1.5 1994/10/26 06:39:22 cgd Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + bcmp.S bzero.S ffs.S strcat.c strcmp.S strcpy.S strlen.S strncmp.S \ + strncpy.S htonl.S htons.S ntohl.S ntohs.S scanc.S skpc.S locc.S diff --git a/sys/lib/libkern/arch/m68k/SYS.h b/sys/lib/libkern/arch/m68k/SYS.h new file mode 100644 index 00000000000..6f5c3b7cf0d --- /dev/null +++ b/sys/lib/libkern/arch/m68k/SYS.h @@ -0,0 +1,79 @@ +/* $NetBSD: SYS.h,v 1.2 1994/10/26 06:39:23 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)SYS.h 5.5 (Berkeley) 5/7/91 + */ + +#include <sys/syscall.h> +#include <machine/asm.h> + +#ifdef __STDC__ + +#ifdef PIC +/* With PIC code, we can't pass the error to cerror in d0, + because the jump might go via the binder. */ +#define SYSCALL(x) .even; err: movl d0,sp@-; jra cerror; ENTRY(x); \ + movl \#SYS_ ## x,d0; trap \#0; jcs err +#else /* !PIC */ +#define SYSCALL(x) .even; err: jra cerror; ENTRY(x); \ + movl \#SYS_ ## x,d0; trap \#0; jcs err +#endif /* !PIC */ + +#define RSYSCALL(x) SYSCALL(x); rts +#define PSEUDO(x,y) ENTRY(x); movl \#SYS_ ## y,d0; trap \#0; rts + +#else /* !__STDC__ */ + +#ifdef PIC +/* With PIC code, we can't pass the error to cerror in d0, + because the jump might go via the binder. */ +#define SYSCALL(x) .even; err: movl d0,sp@-; jra cerror; ENTRY(x); \ + movl #SYS_/**/x,d0; trap #0; jcs err +#else /* !PIC */ +#define SYSCALL(x) .even; err: jra cerror; ENTRY(x); \ + movl #SYS_/**/x,d0; trap #0; jcs err +#endif /* !PIC */ + +#define RSYSCALL(x) SYSCALL(x); rts +#define PSEUDO(x,y) ENTRY(x); movl #SYS_/**/y,d0; trap #0; rts + +#endif /* !__STDC__ */ + +#define ASMSTR .asciz + + .globl cerror diff --git a/sys/lib/libkern/arch/m68k/bcmp.S b/sys/lib/libkern/arch/m68k/bcmp.S new file mode 100644 index 00000000000..6b5d6c88d40 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/bcmp.S @@ -0,0 +1,91 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)bcmp.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: bcmp.S,v 1.1 1995/10/18 08:52:52 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* bcmp(s1, s2, n) */ + +#include "DEFS.h" + +/* + * This is probably not the best we can do, but it is still 2-10 times + * faster than the C version in the portable gen directory. + * + * Things that might help: + * - longword align when possible (only on the 68020) + * - use nested DBcc instructions or use one and limit size to 64K + */ +ENTRY(bcmp) + movl sp@(4),a0 | string 1 + movl sp@(8),a1 | string 2 + movl sp@(12),d0 | length + beq bcdone | if zero, nothing to do + movl a0,d1 + btst #0,d1 | string 1 address odd? + beq bceven | no, skip alignment + cmpmb a0@+,a1@+ | yes, compare a byte + bne bcnoteq | not equal, return non-zero + subql #1,d0 | adjust count + beq bcdone | count 0, reutrn zero +bceven: + movl a1,d1 + btst #0,d1 | string 2 address odd? + bne bcbloop | yes, no hope for alignment, compare bytes + movl d0,d1 | no, both even + lsrl #2,d1 | convert count to longword count + beq bcbloop | count 0, skip longword loop +bclloop: + cmpml a0@+,a1@+ | compare a longword + bne bcnoteq | not equal, return non-zero + subql #1,d1 | adjust count + bne bclloop | still more, keep comparing + andl #3,d0 | what remains + beq bcdone | nothing, all done +bcbloop: + cmpmb a0@+,a1@+ | compare a byte + bne bcnoteq | not equal, return non-zero + subql #1,d0 | adjust count + bne bcbloop | still more, keep going + rts +bcnoteq: + moveq #1,d0 +bcdone: + rts diff --git a/sys/lib/libkern/arch/m68k/bzero.S b/sys/lib/libkern/arch/m68k/bzero.S new file mode 100644 index 00000000000..119a4f5c0eb --- /dev/null +++ b/sys/lib/libkern/arch/m68k/bzero.S @@ -0,0 +1,80 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)bzero.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: bzero.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +/* + * This is probably not the best we can do, but it is still much + * faster than the C version in the portable gen directory. + * + * Things that might help: + * - unroll the longword loop (might not be good for a 68020) + * - longword, as opposed to word, align when possible (only on the 68020) + * - use nested DBcc instructions or use one and limit size to 64K + */ +ENTRY(bzero) + movl sp@(4),a0 | destination + movl sp@(8),d0 | count + beq bzdone | nothing to do + movl a0,d1 + btst #0,d1 | address odd? + beq bzeven | no, skip alignment + clrb a0@+ | yes, clear a byte + subql #1,d0 | adjust count + beq bzdone | if zero, all done +bzeven: + movl d0,d1 + lsrl #2,d1 | convert to longword count + beq bzbloop | no longwords, skip loop +bzlloop: + clrl a0@+ | clear a longword + subql #1,d1 | adjust count + bne bzlloop | still more, keep going + andl #3,d0 | what remains + beq bzdone | nothing, all done +bzbloop: + clrb a0@+ | clear a byte + subql #1,d0 | adjust count + bne bzbloop | still more, keep going +bzdone: + rts diff --git a/sys/lib/libkern/arch/m68k/ffs.S b/sys/lib/libkern/arch/m68k/ffs.S new file mode 100644 index 00000000000..b20232fdf2d --- /dev/null +++ b/sys/lib/libkern/arch/m68k/ffs.S @@ -0,0 +1,56 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)ffs.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: ffs.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* bit = ffs(value) */ + +#include "DEFS.h" + +ENTRY(ffs) + movl sp@(4),d0 + movl d0,d1 + negl d0 + andl d0,d1 + movql #32,d0 + bfffo d1{#0:#32},d1 + subl d1,d0 + rts diff --git a/sys/lib/libkern/arch/m68k/htonl.S b/sys/lib/libkern/arch/m68k/htonl.S new file mode 100644 index 00000000000..2da54607f6e --- /dev/null +++ b/sys/lib/libkern/arch/m68k/htonl.S @@ -0,0 +1,54 @@ +/* $NetBSD: htonl.S,v 1.2 1994/10/26 06:39:27 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text +#ifdef notdef + .asciz "@(#)htonl.s 5.1 (Berkeley) 5/12/90" +#endif + .asciz "$NetBSD: htonl.S,v 1.2 1994/10/26 06:39:27 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* netorder = htonl(hostorder) */ + +#include "DEFS.h" + +ENTRY(htonl) + movl sp@(4),d0 + rts diff --git a/sys/lib/libkern/arch/m68k/htons.S b/sys/lib/libkern/arch/m68k/htons.S new file mode 100644 index 00000000000..5c9ee9c54c7 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/htons.S @@ -0,0 +1,55 @@ +/* $NetBSD: htons.S,v 1.2 1994/10/26 06:39:27 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text +#ifdef notdef + .asciz "@(#)htons.s 5.1 (Berkeley) 5/12/90" +#endif + .asciz "$NetBSD: htons.S,v 1.2 1994/10/26 06:39:27 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = htons(netorder) */ + +#include "DEFS.h" + +ENTRY(htons) + clrl d0 + movw sp@(6),d0 + rts diff --git a/sys/lib/libkern/arch/m68k/locc.S b/sys/lib/libkern/arch/m68k/locc.S new file mode 100644 index 00000000000..b5a838e7514 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/locc.S @@ -0,0 +1,61 @@ +/* $NetBSD: locc.S,v 1.2 1994/10/26 06:39:28 cgd Exp $ */ + +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1980, 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: Utah Hdr: locore.s 1.58 91/04/22 + * @(#)locore.s 7.11 (Berkeley) 5/9/91 + */ + +#include "DEFS.h" + +/* + * Emulate fancy VAX string operations: + * locc(mask, count, startc) + */ +ENTRY(locc) + movl sp@(8),d0 | get length + jeq Llcdone | nothing to do, return + movb sp@(7),d1 | mask to use + movl sp@(12),a0 | where to start + subqw #1,d0 | adjust for dbcc +Llcloop: + cmpb a0@+,d1 | compate with mask + dbeq d0,Llcloop | keep going til no more or non-zero + addqw #1,d0 | overshot by one +Llcdone: + rts diff --git a/sys/lib/libkern/arch/m68k/ntohl.S b/sys/lib/libkern/arch/m68k/ntohl.S new file mode 100644 index 00000000000..ed996cb3587 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/ntohl.S @@ -0,0 +1,54 @@ +/* $NetBSD: ntohl.S,v 1.2 1994/10/26 06:39:29 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text +#ifdef notdef + .asciz "@(#)ntohl.s 5.1 (Berkeley) 5/12/90" +#endif + .asciz "$NetBSD: ntohl.S,v 1.2 1994/10/26 06:39:29 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohl(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohl) + movl sp@(4),d0 + rts diff --git a/sys/lib/libkern/arch/m68k/ntohs.S b/sys/lib/libkern/arch/m68k/ntohs.S new file mode 100644 index 00000000000..d32a48775bb --- /dev/null +++ b/sys/lib/libkern/arch/m68k/ntohs.S @@ -0,0 +1,55 @@ +/* $NetBSD: ntohs.S,v 1.2 1994/10/26 06:39:30 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text +#ifdef notdef + .asciz "@(#)ntohs.s 5.1 (Berkeley) 5/12/90" +#endif + .asciz "$NetBSD: ntohs.S,v 1.2 1994/10/26 06:39:30 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohs(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohs) + clrl d0 + movw sp@(6),d0 + rts diff --git a/sys/lib/libkern/arch/m68k/scanc.S b/sys/lib/libkern/arch/m68k/scanc.S new file mode 100644 index 00000000000..358793e7c6b --- /dev/null +++ b/sys/lib/libkern/arch/m68k/scanc.S @@ -0,0 +1,67 @@ +/* $NetBSD: scanc.S,v 1.2 1994/10/26 06:39:31 cgd Exp $ */ + +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1980, 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: Utah Hdr: locore.s 1.58 91/04/22 + * @(#)locore.s 7.11 (Berkeley) 5/9/91 + */ + +#include "DEFS.h" + +/* + * Emulate fancy VAX string operations: + * scanc(count, startc, table, mask) + */ +ENTRY(scanc) + movl sp@(4),d0 | get length + jeq Lscdone | nothing to do, return + movl sp@(8),a0 | start of scan + movl sp@(12),a1 | table to compare with + movb sp@(19),d1 | and mask to use + movw d2,sp@- | need a scratch register + clrw d2 | clear it out + subqw #1,d0 | adjust for dbra +Lscloop: + movb a0@+,d2 | get character + movb a1@(0,d2:w),d2 | get table entry + andb d1,d2 | mask it + dbne d0,Lscloop | keep going til no more or non-zero + addqw #1,d0 | overshot by one + movw sp@+,d2 | restore scratch +Lscdone: + rts diff --git a/sys/lib/libkern/arch/m68k/skpc.S b/sys/lib/libkern/arch/m68k/skpc.S new file mode 100644 index 00000000000..681779eba30 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/skpc.S @@ -0,0 +1,61 @@ +/* $NetBSD: skpc.S,v 1.2 1994/10/26 06:39:32 cgd Exp $ */ + +/* + * Copyright (c) 1988 University of Utah. + * Copyright (c) 1980, 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: Utah Hdr: locore.s 1.58 91/04/22 + * @(#)locore.s 7.11 (Berkeley) 5/9/91 + */ + +#include "DEFS.h" + +/* + * Emulate fancy VAX string operations: + * skpc(mask, count, startc) + */ +ENTRY(skpc) + movl sp@(8),d0 | get length + jeq Lskdone | nothing to do, return + movb sp@(7),d1 | mask to use + movl sp@(12),a0 | where to start + subqw #1,d0 | adjust for dbcc +Lskloop: + cmpb a0@+,d1 | compate with mask + dbne d0,Lskloop | keep going til no more or zero + addqw #1,d0 | overshot by one +Lskdone: + rts diff --git a/sys/lib/libkern/arch/m68k/strcat.c b/sys/lib/libkern/arch/m68k/strcat.c new file mode 100644 index 00000000000..07296b8ed42 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strcat.c @@ -0,0 +1,55 @@ +/* $NetBSD: strcat.c,v 1.2 1994/10/26 06:39:33 cgd Exp $ */ + +/* + * Copyright (c) 1988 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef +static char *sccsid = "@(#)strcat.c 5.6 (Berkeley) 2/24/91"; +#endif +static char *rcsid = "$NetBSD: strcat.c,v 1.2 1994/10/26 06:39:33 cgd Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +char * +strcat(s, append) + register char *s; + register const char *append; +{ + char *save = s; + + for (; *s; ++s); + while (*s++ = *append++); + return(save); +} diff --git a/sys/lib/libkern/arch/m68k/strcmp.S b/sys/lib/libkern/arch/m68k/strcmp.S new file mode 100644 index 00000000000..1ae045bc3a5 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strcmp.S @@ -0,0 +1,66 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)strcmp.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: strcmp.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +/* + * NOTE: this guy returns result compatible with the VAX assembly version. + * The C version on the portable gen directory returns different results + * (different signs!) when comparing chars with the high bit on. Who is + * right?? + */ +ENTRY(strcmp) + movl sp@(4),a0 | a0 = string1 + movl sp@(8),a1 | a1 = string2 +scloop: + movb a0@+,d0 | get *string1 + cmpb a1@+,d0 | compare a byte + bne scexit | not equal, break out + tstb d0 | at end of string1? + bne scloop | no, keep going + moveq #0,d0 | strings are equal + rts +scexit: + subb a1@-,d0 | *string1 - *string2 + extbl d0 + rts diff --git a/sys/lib/libkern/arch/m68k/strcpy.S b/sys/lib/libkern/arch/m68k/strcpy.S new file mode 100644 index 00000000000..f273bf4e530 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strcpy.S @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)strcpy.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: strcpy.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(strcpy) + movl sp@(8),a0 | a0 = fromaddr + movl sp@(4),d0 | return value is toaddr + movl d0,a1 | a1 = toaddr +scloop: + movb a0@+,a1@+ | copy a byte + bne scloop | copied non-null, keep going + rts diff --git a/sys/lib/libkern/arch/m68k/strlen.S b/sys/lib/libkern/arch/m68k/strlen.S new file mode 100644 index 00000000000..da10a30fd76 --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strlen.S @@ -0,0 +1,53 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)strlen.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: strlen.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(strlen) + moveq #-1,d0 + movl sp@(4),a0 | string +slloop: + addql #1,d0 | increment count + tstb a0@+ | null? + bne slloop | no, keep going + rts diff --git a/sys/lib/libkern/arch/m68k/strncmp.S b/sys/lib/libkern/arch/m68k/strncmp.S new file mode 100644 index 00000000000..5263e981bff --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strncmp.S @@ -0,0 +1,71 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)strncmp.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: strncmp.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +/* + * NOTE: this guy returns result compatible with the VAX assembly version. + * The C version on the portable gen directory returns different results + * (different signs!) when comparing chars with the high bit on. Who is + * right?? + */ +ENTRY(strncmp) + movl sp@(12),d1 | count + beq scdone | nothing to do + movl sp@(4),a0 | a0 = string1 + movl sp@(8),a1 | a1 = string2 +scloop: + movb a0@+,d0 | get *string1 + cmpb a1@+,d0 | compare a byte + bne scexit | not equal, break out + tstb d0 | at end of string1? + beq scdone | yes, all done + subql #1,d1 | no, adjust count + bne scloop | more to do, keep going +scdone: + moveq #0,d0 | strings are equal + rts +scexit: + subb a1@-,d0 | *string1 - *string2 + extbl d0 + rts diff --git a/sys/lib/libkern/arch/m68k/strncpy.S b/sys/lib/libkern/arch/m68k/strncpy.S new file mode 100644 index 00000000000..af0f2e83c5e --- /dev/null +++ b/sys/lib/libkern/arch/m68k/strncpy.S @@ -0,0 +1,63 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * the Systems Programming Group of the University of Utah Computer + * Science Department. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) + .text + /*.asciz "from: @(#)strncpy.s 5.1 (Berkeley) 5/12/90"*/ + .asciz "$Id: strncpy.S,v 1.1 1995/10/18 08:52:53 deraadt Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(strncpy) + movl sp@(4),d0 | return value is toaddr + movl sp@(12),d1 | count + beq scdone | nothing to do + movl sp@(8),a0 | a0 = fromaddr + movl d0,a1 | a1 = toaddr +scloop: + movb a0@+,a1@+ | copy a byte + beq scploop | copied null, go pad if necessary + subql #1,d1 | adjust count + bne scloop | more room, keep going +scdone: + rts +scploop: + subql #1,d1 | adjust count + beq scdone | no more room, all done + clrb a1@+ | clear a byte + jra scploop | keep going diff --git a/sys/lib/libkern/arch/mips/Makefile.inc b/sys/lib/libkern/arch/mips/Makefile.inc new file mode 100644 index 00000000000..9c012389cd4 --- /dev/null +++ b/sys/lib/libkern/arch/mips/Makefile.inc @@ -0,0 +1,6 @@ +# $NetBSD: Makefile.inc,v 1.3 1994/10/26 06:39:40 cgd Exp $ +# +# There are likely more that we will notice when we go native + +SRCS+= random.c scanc.c skpc.c strcat.c strcpy.c strncmp.c strncpy.c + diff --git a/sys/lib/libkern/arch/ns32k/DEFS.h b/sys/lib/libkern/arch/ns32k/DEFS.h new file mode 100644 index 00000000000..ff297d572ab --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/DEFS.h @@ -0,0 +1,49 @@ +/* $NetBSD: DEFS.h,v 1.2 1994/10/26 06:39:41 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)DEFS.h 5.1 (Berkeley) 4/23/90 + */ + +#ifdef PROF +#define ENTRY(x) .globl _/**/x; _/**/x: \ + .data; 1:; .long 0; .text; addr 1b,tos ; bsr mcount +#define ASENTRY(x) .globl x; x: \ + .data; 1:; .long 0; .text; addr 1b,tos ; bsr mcount +#else +#define ENTRY(x) .globl _/**/x; _/**/x: +#define ASENTRY(x) .globl x; x: +#endif diff --git a/sys/lib/libkern/arch/ns32k/Makefile.inc b/sys/lib/libkern/arch/ns32k/Makefile.inc new file mode 100644 index 00000000000..d4398986a7b --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/Makefile.inc @@ -0,0 +1,6 @@ +# $NetBSD: Makefile.inc,v 1.5.2.1 1995/10/13 20:29:29 phil Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + bcmp.c ffs.c strcat.c strcmp.c strcpy.c strlen.c strncmp.c strncpy.c \ + scanc.c skpc.c locc.c \ + htonl.S htons.S ntohl.S ntohs.S diff --git a/sys/lib/libkern/arch/ns32k/SYS.h b/sys/lib/libkern/arch/ns32k/SYS.h new file mode 100644 index 00000000000..93ee274588c --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/SYS.h @@ -0,0 +1,66 @@ +/* $NetBSD: SYS.h,v 1.2 1994/10/26 06:39:44 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * William Jolitz. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)SYS.h 5.5 (Berkeley) 5/7/91 + */ + +#include <sys/syscall.h> + +#ifdef PROF +#define ENTRY(x) .globl _/**/x; \ + .data; 1:; .long 0; .text; .align 1; _/**/x: \ + addr $1b,tos; bsr mcount +#else +#define ENTRY(x) .globl _/**/x; .text; .align 1; _/**/x: +#endif PROF + +#define SYSCALL(x) ENTRY(x); movd SYS_/**/x, r0; svc; bcs cerror +#define RSYSCALL(x) SYSCALL(x); ret 0 +#define PSEUDO(x,y) ENTRY(x); movd SYS_/**/y, r0; svc; ret 0 +#define CALL(x,y) bsr _/**/y; adjspd -4*x + +#define ASMSTR .asciz + + .globl cerror + +#define SVC svc + +#define S_ARG0 4(sp) +#define S_ARG1 8(sp) +#define S_ARG2 12(sp) +#define S_ARG3 16(sp) + diff --git a/sys/lib/libkern/arch/ns32k/htonl.S b/sys/lib/libkern/arch/ns32k/htonl.S new file mode 100644 index 00000000000..a2110a31e98 --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/htonl.S @@ -0,0 +1,44 @@ +/* $NetBSD: htonl.S,v 1.2 1994/10/26 06:39:45 cgd Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * Copyright (c) 1992 Helsinki University of Technology + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE + * OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND + * HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * HISTORY + * 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology + * Created. + */ + +#include <machine/asm.h> + + .text +ENTRY(htonl) + movd S_ARG0,r0 + rotw 8,r0 + rotd 16,r0 + rotw 8,r0 + ret 0 diff --git a/sys/lib/libkern/arch/ns32k/htons.S b/sys/lib/libkern/arch/ns32k/htons.S new file mode 100644 index 00000000000..bd907611691 --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/htons.S @@ -0,0 +1,42 @@ +/* $NetBSD: htons.S,v 1.2 1994/10/26 06:39:46 cgd Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * Copyright (c) 1992 Helsinki University of Technology + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE + * OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND + * HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * HISTORY + * 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology + * Created. + */ + +#include <machine/asm.h> + + .text +ENTRY(htons) + movzwd S_ARG0,r0 + rotw 8,r0 + ret 0 diff --git a/sys/lib/libkern/arch/ns32k/ntohl.S b/sys/lib/libkern/arch/ns32k/ntohl.S new file mode 100644 index 00000000000..3a45abb068f --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/ntohl.S @@ -0,0 +1,44 @@ +/* $NetBSD: ntohl.S,v 1.2 1994/10/26 06:39:47 cgd Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * Copyright (c) 1992 Helsinki University of Technology + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE + * OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND + * HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * HISTORY + * 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology + * Created. + */ + +#include <machine/asm.h> + + .text +ENTRY(ntohl) + movd S_ARG0,r0 + rotw 8,r0 + rotd 16,r0 + rotw 8,r0 + ret 0 diff --git a/sys/lib/libkern/arch/ns32k/ntohs.S b/sys/lib/libkern/arch/ns32k/ntohs.S new file mode 100644 index 00000000000..8e09a20adca --- /dev/null +++ b/sys/lib/libkern/arch/ns32k/ntohs.S @@ -0,0 +1,42 @@ +/* $NetBSD: ntohs.S,v 1.2 1994/10/26 06:39:48 cgd Exp $ */ + +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * Copyright (c) 1992 Helsinki University of Technology + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON AND HELSINKI UNIVERSITY OF TECHNOLOGY ALLOW FREE USE + * OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON AND + * HELSINKI UNIVERSITY OF TECHNOLOGY DISCLAIM ANY LIABILITY OF ANY KIND + * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * HISTORY + * 11-May-92 Johannes Helander (jvh) at Helsinki University of Technology + * Created. + */ + +#include <machine/asm.h> + + .text +ENTRY(ntohs) + movzwd S_ARG0,r0 + rotw 8,r0 + ret 0 diff --git a/sys/lib/libkern/arch/sparc/DEFS.h b/sys/lib/libkern/arch/sparc/DEFS.h new file mode 100644 index 00000000000..8dbdcb1f165 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/DEFS.h @@ -0,0 +1,43 @@ +/* $NetBSD: DEFS.h,v 1.2 1994/10/26 06:39:51 cgd Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)DEFS.h 8.1 (Berkeley) 6/4/93 + */ + +#include <machine/asm.h> + diff --git a/sys/lib/libkern/arch/sparc/Makefile.inc b/sys/lib/libkern/arch/sparc/Makefile.inc new file mode 100644 index 00000000000..5ddc09a1273 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/Makefile.inc @@ -0,0 +1,38 @@ +# $NetBSD: Makefile.inc,v 1.10 1995/10/07 22:26:53 mycroft Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + bcmp.c bzero.S strcat.c strcmp.c strcpy.c strlen.S strncmp.c \ + strncpy.c htonl.S htons.S ntohl.S ntohs.S scanc.c skpc.c memset.c + +SRCS+= umul.S mul.S rem.S sdiv.S udiv.S umul.S urem.S +SRCS+= mul.S saveregs.S umul.S + +# `source' files built from m4 source +# the name `div.o' is taken for the ANSI C `div' function, hence sdiv here +SRCS+= rem.S sdiv.S udiv.S urem.S +CLEANFILES+=rem.S sdiv.S udiv.S urem.S + +sdiv.S: divrem.m4 + echo 'building ${.TARGET} from ${.ALLSRC}' + (echo "define(NAME,\`.div')define(OP,\`div')define(S,\`true')"; \ + cat ${.ALLSRC}) | m4 > ${.TARGET} + chmod 444 ${.TARGET} + +udiv.S: divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`.udiv')define(OP,\`div')define(S,\`false')"; \ + cat ${.ALLSRC}) | m4 > ${.TARGET} + @chmod 444 ${.TARGET} + +rem.S: divrem.m4 + echo 'building ${.TARGET} from ${.ALLSRC}' + (echo "define(NAME,\`.rem')define(OP,\`rem')define(S,\`true')"; \ + cat ${.ALLSRC}) | m4 > ${.TARGET} + chmod 444 ${.TARGET} + +urem.S: divrem.m4 + @echo 'building ${.TARGET} from ${.ALLSRC}' + @(echo "define(NAME,\`.urem')define(OP,\`rem')define(S,\`false')"; \ + cat ${.ALLSRC}) | m4 > ${.TARGET} + @chmod 444 ${.TARGET} + diff --git a/sys/lib/libkern/arch/sparc/SYS.h b/sys/lib/libkern/arch/sparc/SYS.h new file mode 100644 index 00000000000..74b3cac68d4 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/SYS.h @@ -0,0 +1,91 @@ +/* $NetBSD: SYS.h,v 1.2 1994/10/26 06:39:53 cgd Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)SYS.h 8.1 (Berkeley) 6/4/93 + * + * Header: SYS.h,v 1.2 92/07/03 18:57:00 torek Exp + */ + +#include <machine/asm.h> +#include <sys/syscall.h> +#include <machine/trap.h> + +#ifdef __STDC__ +#define _CAT(x,y) x##y +#else +#define _CAT(x,y) x/**/y +#endif + +/* + * ERROR branches to cerror. This is done with a macro so that I can + * change it to be position independent later, if need be. + */ +#ifdef PIC +#define ERROR() \ + PIC_PROLOGUE(%g1,%g2); \ + ld [%g1+cerror],%g2; jmp %g2; nop +#else +#define ERROR() \ + sethi %hi(cerror),%g1; or %lo(cerror),%g1,%g1; jmp %g1; nop +#endif + +/* + * SYSCALL is used when further action must be taken before returning. + * Note that it adds a `nop' over what we could do, if we only knew what + * came at label 1.... + */ +#define SYSCALL(x) \ + ENTRY(x); mov _CAT(SYS_,x),%g1; t ST_SYSCALL; bcc 1f; nop; ERROR(); 1: + +/* + * RSYSCALL is used when the system call should just return. Here + * we use the SYSCALL_G2RFLAG to put the `success' return address in %g2 + * and avoid a branch. + */ +#define RSYSCALL(x) \ + ENTRY(x); mov (_CAT(SYS_,x))|SYSCALL_G2RFLAG,%g1; add %o7,8,%g2; \ + t ST_SYSCALL; ERROR() + +/* + * PSEUDO(x,y) is like RSYSCALL(y) except that the name is x. + */ +#define PSEUDO(x,y) \ + ENTRY(x); mov (_CAT(SYS_,y))|SYSCALL_G2RFLAG,%g1; add %o7,8,%g2; \ + t ST_SYSCALL; ERROR() + + .globl cerror diff --git a/sys/lib/libkern/arch/sparc/_setjmp.S b/sys/lib/libkern/arch/sparc/_setjmp.S new file mode 100644 index 00000000000..cb42c847997 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/_setjmp.S @@ -0,0 +1,94 @@ +/* $NetBSD: _setjmp.S,v 1.2 1994/10/26 06:39:54 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: _setjmp.s,v 1.1 91/07/06 16:45:53 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)_setjmp.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: _setjmp.S,v 1.2 1994/10/26 06:39:54 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* + * C library -- _setjmp, _longjmp + * + * _longjmp(a,v) + * will generate a "return(v?v:1)" from + * the last call to + * _setjmp(a) + * by unwinding the call stack. + * The previous signal state is NOT restored. + */ + +#include "DEFS.h" + +ENTRY(_setjmp) + std %sp, [%o0+0] /* caller's stack pointer and return pc */ + st %fp, [%o0+8] /* store caller's frame pointer */ + retl + clr %o0 ! return 0 + +ENTRY(_longjmp) + addcc %o1, %g0, %g6 ! compute v ? v : 1 in a global register + be,a 0f + mov 1, %g6 +0: + mov %o0, %g1 ! save a in another global register + ld [%g1+8], %g7 /* get caller's frame */ +1: + cmp %fp, %g7 ! compare against desired frame + bl,a 1b ! if below, + restore ! pop frame and loop + be,a 2f ! if there, + ldd [%g1+0], %o2 ! fetch return %sp and pc, and get out + +Lbotch: + call _longjmperror ! otherwise, went too far; bomb out + nop + unimp 0 + +2: + cmp %o2, %sp ! %sp must not decrease + bge,a 3f + mov %o2, %sp ! it is OK, put it in place + b,a Lbotch +3: + jmp %o3 + 8 ! success, return %g6 + mov %g6, %o0 diff --git a/sys/lib/libkern/arch/sparc/bzero.S b/sys/lib/libkern/arch/sparc/bzero.S new file mode 100644 index 00000000000..7e7da1f91ba --- /dev/null +++ b/sys/lib/libkern/arch/sparc/bzero.S @@ -0,0 +1,150 @@ +/* $NetBSD: bzero.S,v 1.2 1994/10/26 06:39:54 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: bzero.s,v 1.1 92/06/25 12:52:46 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)bzero.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: bzero.S,v 1.2 1994/10/26 06:39:54 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +/* + * bzero(addr, len) + * + * We should unroll the loop, but at the moment this would + * gain nothing since the `std' instructions are what limits us. + */ +ENTRY(bzero) + ! %o0 = addr, %o1 = len + + ! Optimize a common case: addr and len are both multiples of 8. + or %o0, %o1, %o2 + btst 7, %o2 ! ((addr | len) & 7) != 0? + bnz 1f ! if so, cannot optimize + clr %g1 ! in any case, we want g1=0 + + /* `Good' operands, can just store doubles. */ +0: + deccc 8, %o1 ! while ((len -= 8) >= 0) + bge,a 0b + std %g0, [%o0 + %o1] ! *(quad *)(addr + len) = 0; + retl + nop + + /* + * Either the address is unaligned, or the count is not a + * multiple of 8, or both. We will have to align the address + * in order to use anything `better' than stb. + */ +1: + cmp %o1, 15 ! len >= 15? + bge,a Lstd ! yes, use std + btst 1, %o0 ! (but first check alignment) + + ! not enough to bother: do byte-at-a-time loop. +2: + deccc %o1 ! while (--len >= 0) + bge,a 2b + stb %g0, [%o0 + %o1] ! addr[len] = 0; + retl + nop + +Lstd: + /* + * There are at least 15 bytes to zero. + * We may have to zero some initial stuff to align + * the address. + */ + bz,a 1f ! if (addr & 1) { + btst 2, %o0 + stb %g0, [%o0] ! *addr = 0; + inc %o0 ! addr++; + dec %o1 ! len--; + btst 2, %o0 ! } +1: + bz,a 1f ! if (addr & 2) { + btst 4, %o0 + sth %g0, [%o0] ! *(short *)addr = 0; + inc 2, %o0 ! addr += 2; + dec 2, %o1 ! len -= 2; + btst 4, %o0 ! } +1: + bz 1f ! if (addr & 4) { + dec 8, %o1 + st %g0, [%o0] ! *(int *)addr = 0; + inc 4, %o0 ! addr += 4; + dec 4, %o1 ! len -= 4; + ! } + /* + * Address is double word aligned; len is 8 less than + * the number of bytes remaining (i.e., len is 0 if + * the remaining count is 8, 1 if it is 9, etc.). + */ +1: + std %g0, [%o0] ! do { +2: ! *(quad *)addr = 0; + inc 8, %o0 ! addr += 8; + deccc 8, %o1 ! } while ((len -= 8) >= 0); + bge,a 2b + std %g0, [%o0] + + /* + * Len is in [-8..-1] where -8 => done, -7 => 1 byte to zero, + * -6 => two bytes, etc. Mop up this remainder, if any. + */ + btst 4, %o1 + bz 1f ! if (len & 4) { + btst 2, %o1 + st %g0, [%o0] ! *(int *)addr = 0; + inc 4, %o0 ! addr += 4; +1: + bz 1f ! if (len & 2) { + btst 1, %o1 + sth %g0, [%o0] ! *(short *)addr = 0; + inc 2, %o0 ! addr += 2; +1: + bnz,a 1f ! if (len & 1) + stb %g0, [%o0] ! *addr = 0; +1: + retl + nop diff --git a/sys/lib/libkern/arch/sparc/divrem.m4 b/sys/lib/libkern/arch/sparc/divrem.m4 new file mode 100644 index 00000000000..b5aee6e4274 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/divrem.m4 @@ -0,0 +1,280 @@ +/* $NetBSD: divrem.m4,v 1.3 1995/04/22 09:37:39 pk Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: divrem.m4,v 1.4 92/06/25 13:23:57 torek Exp + */ + +/* + * Division and remainder, from Appendix E of the Sparc Version 8 + * Architecture Manual, with fixes from Gordon Irlam. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)divrem.m4 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: divrem.m4,v 1.3 1995/04/22 09:37:39 pk Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* + * Input: dividend and divisor in %o0 and %o1 respectively. + * + * m4 parameters: + * NAME name of function to generate + * OP OP=div => %o0 / %o1; OP=rem => %o0 % %o1 + * S S=true => signed; S=false => unsigned + * + * Algorithm parameters: + * N how many bits per iteration we try to get (4) + * WORDSIZE total number of bits (32) + * + * Derived constants: + * TWOSUPN 2^N, for label generation (m4 exponentiation currently broken) + * TOPBITS number of bits in the top `decade' of a number + * + * Important variables: + * Q the partial quotient under development (initially 0) + * R the remainder so far, initially the dividend + * ITER number of main division loop iterations required; + * equal to ceil(log2(quotient) / N). Note that this + * is the log base (2^N) of the quotient. + * V the current comparand, initially divisor*2^(ITER*N-1) + * + * Cost: + * Current estimate for non-large dividend is + * ceil(log2(quotient) / N) * (10 + 7N/2) + C + * A large dividend is one greater than 2^(31-TOPBITS) and takes a + * different path, as the upper bits of the quotient must be developed + * one bit at a time. + */ + +define(N, `4') +define(TWOSUPN, `16') +define(WORDSIZE, `32') +define(TOPBITS, eval(WORDSIZE - N*((WORDSIZE-1)/N))) + +define(dividend, `%o0') +define(divisor, `%o1') +define(Q, `%o2') +define(R, `%o3') +define(ITER, `%o4') +define(V, `%o5') + +/* m4 reminder: ifelse(a,b,c,d) => if a is b, then c, else d */ +define(T, `%g1') +define(SC, `%g7') +ifelse(S, `true', `define(SIGN, `%g6')') + +/* + * This is the recursive definition for developing quotient digits. + * + * Parameters: + * $1 the current depth, 1 <= $1 <= N + * $2 the current accumulation of quotient bits + * N max depth + * + * We add a new bit to $2 and either recurse or insert the bits in + * the quotient. R, Q, and V are inputs and outputs as defined above; + * the condition codes are expected to reflect the input R, and are + * modified to reflect the output R. + */ +define(DEVELOP_QUOTIENT_BITS, +` ! depth $1, accumulated bits $2 + bl L.$1.eval(TWOSUPN+$2) + srl V,1,V + ! remainder is positive + subcc R,V,R + ifelse($1, N, + ` b 9f + add Q, ($2*2+1), Q + ', ` DEVELOP_QUOTIENT_BITS(incr($1), `eval(2*$2+1)')') +L.$1.eval(TWOSUPN+$2): + ! remainder is negative + addcc R,V,R + ifelse($1, N, + ` b 9f + add Q, ($2*2-1), Q + ', ` DEVELOP_QUOTIENT_BITS(incr($1), `eval(2*$2-1)')') + ifelse($1, 1, `9:')') + +#include "DEFS.h" +#include <machine/trap.h> + +FUNC(NAME) +ifelse(S, `true', +` ! compute sign of result; if neither is negative, no problem + orcc divisor, dividend, %g0 ! either negative? + bge 2f ! no, go do the divide + ifelse(OP, `div', + `xor divisor, dividend, SIGN', + `mov dividend, SIGN') ! compute sign in any case + tst divisor + bge 1f + tst dividend + ! divisor is definitely negative; dividend might also be negative + bge 2f ! if dividend not negative... + neg divisor ! in any case, make divisor nonneg +1: ! dividend is negative, divisor is nonnegative + neg dividend ! make dividend nonnegative +2: +') + ! Ready to divide. Compute size of quotient; scale comparand. + orcc divisor, %g0, V + bnz 1f + mov dividend, R + + ! Divide by zero trap. If it returns, return 0 (about as + ! wrong as possible, but that is what SunOS does...). + t ST_DIV0 + retl + clr %o0 + +1: + cmp R, V ! if divisor exceeds dividend, done + blu Lgot_result ! (and algorithm fails otherwise) + clr Q + sethi %hi(1 << (WORDSIZE - TOPBITS - 1)), T + cmp R, T + blu Lnot_really_big + clr ITER + + ! `Here the dividend is >= 2^(31-N) or so. We must be careful here, + ! as our usual N-at-a-shot divide step will cause overflow and havoc. + ! The number of bits in the result here is N*ITER+SC, where SC <= N. + ! Compute ITER in an unorthodox manner: know we need to shift V into + ! the top decade: so do not even bother to compare to R.' + 1: + cmp V, T + bgeu 3f + mov 1, SC + sll V, N, V + b 1b + inc ITER + + ! Now compute SC. + 2: addcc V, V, V + bcc Lnot_too_big + inc SC + + ! We get here if the divisor overflowed while shifting. + ! This means that R has the high-order bit set. + ! Restore V and subtract from R. + sll T, TOPBITS, T ! high order bit + srl V, 1, V ! rest of V + add V, T, V + b Ldo_single_div + dec SC + + Lnot_too_big: + 3: cmp V, R + blu 2b + nop + be Ldo_single_div + nop + /* NB: these are commented out in the V8-Sparc manual as well */ + /* (I do not understand this) */ + ! V > R: went too far: back up 1 step + ! srl V, 1, V + ! dec SC + ! do single-bit divide steps + ! + ! We have to be careful here. We know that R >= V, so we can do the + ! first divide step without thinking. BUT, the others are conditional, + ! and are only done if R >= 0. Because both R and V may have the high- + ! order bit set in the first step, just falling into the regular + ! division loop will mess up the first time around. + ! So we unroll slightly... + Ldo_single_div: + deccc SC + bl Lend_regular_divide + nop + sub R, V, R + mov 1, Q + b Lend_single_divloop + nop + Lsingle_divloop: + sll Q, 1, Q + bl 1f + srl V, 1, V + ! R >= 0 + sub R, V, R + b 2f + inc Q + 1: ! R < 0 + add R, V, R + dec Q + 2: + Lend_single_divloop: + deccc SC + bge Lsingle_divloop + tst R + b,a Lend_regular_divide + +Lnot_really_big: +1: + sll V, N, V + cmp V, R + bleu 1b + inccc ITER + be Lgot_result + dec ITER + + tst R ! set up for initial iteration +Ldivloop: + sll Q, N, Q + DEVELOP_QUOTIENT_BITS(1, 0) +Lend_regular_divide: + deccc ITER + bge Ldivloop + tst R + bl,a Lgot_result + ! non-restoring fixup here (one instruction only!) +ifelse(OP, `div', +` dec Q +', ` add R, divisor, R +') + +Lgot_result: +ifelse(S, `true', +` ! check to see if answer should be < 0 + tst SIGN + bl,a 1f + ifelse(OP, `div', `neg Q', `neg R') +1:') + retl + ifelse(OP, `div', `mov Q, %o0', `mov R, %o0') diff --git a/sys/lib/libkern/arch/sparc/ffs.S b/sys/lib/libkern/arch/sparc/ffs.S new file mode 100644 index 00000000000..82599a412f1 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/ffs.S @@ -0,0 +1,117 @@ +/* $NetBSD: ffs.S,v 1.2 1994/10/26 06:39:57 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: ffs.s,v 1.3 92/07/07 00:23:57 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)ffs.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: ffs.S,v 1.2 1994/10/26 06:39:57 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +/* + * ffs returns the number of the rightmost bit set in its argument, + * i.e., the lowest value such that (x & (ffs(x) - 1)) is nonzero. + * If no bits are set, ffs returns 0. + * + * We use a table lookup on each byte. + * + * In each section below, %o1 is the current byte (0, 1, 2, or 3). + * The last byte is handled specially: for the first three, + * if that byte is nonzero, we return the table value + * (plus 0, 8, or 16 for the byte number), but for the last + * one, we just return the table value plus 24. This means + * that ffstab[0] must be -24 so that ffs(0) will return 0. + */ +ENTRY(ffs) +#ifdef PIC + PICCY_SET(ffstab, %o2, %o5) +#else + set ffstab, %o2 +#endif + andcc %o0, 0xff, %o1 ! get low byte + be,a 1f ! try again if 0 + srl %o0, 8, %o0 ! delay slot, get ready for next byte + + retl ! return ffstab[%o1] + ldsb [%o2 + %o1], %o0 + +1: + andcc %o0, 0xff, %o1 ! byte 1 like byte 0... + be,a 2f + srl %o0, 8, %o0 ! (use delay to prepare for byte 2) + + ldsb [%o2 + %o1], %o0 + retl ! return ffstab[%o1] + 8 + add %o0, 8, %o0 + +2: + andcc %o0, 0xff, %o1 + be,a 3f + srl %o0, 8, %o0 ! (prepare for byte 3) + + ldsb [%o2 + %o1], %o0 + retl ! return ffstab[%o1] + 16 + add %o0, 16, %o0 + +3: ! just return ffstab[%o0] + 24 + ldsb [%o2 + %o0], %o0 + retl + add %o0, 24, %o0 + +ffstab: + .byte -24,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 00-0f */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 10-1f */ + .byte 6,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 20-2f */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 30-3f */ + .byte 7,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 40-4f */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 50-5f */ + .byte 6,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 60-6f */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 70-7f */ + .byte 8,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 80-8f */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* 10-9f */ + .byte 6,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* a0-af */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* b0-bf */ + .byte 7,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* c0-cf */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* d0-df */ + .byte 6,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* e0-ef */ + .byte 5,1,2,1,3,1,2,1,4,1,2,1,3,1,2,1 /* f0-ff */ diff --git a/sys/lib/libkern/arch/sparc/htonl.S b/sys/lib/libkern/arch/sparc/htonl.S new file mode 100644 index 00000000000..1853b45967f --- /dev/null +++ b/sys/lib/libkern/arch/sparc/htonl.S @@ -0,0 +1,55 @@ +/* $NetBSD: htonl.S,v 1.2 1994/10/26 06:39:58 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: htonl.s,v 1.1 92/06/25 12:47:05 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)htonl.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: htonl.S,v 1.2 1994/10/26 06:39:58 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* netorder = htonl(hostorder) */ + +#include "DEFS.h" + +ENTRY(htonl) + retl + nop diff --git a/sys/lib/libkern/arch/sparc/htons.S b/sys/lib/libkern/arch/sparc/htons.S new file mode 100644 index 00000000000..52be2cc164a --- /dev/null +++ b/sys/lib/libkern/arch/sparc/htons.S @@ -0,0 +1,54 @@ +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: htons.s,v 1.1 92/06/25 12:47:05 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)htons.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: htons.S,v 1.2 1994/10/26 06:39:59 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* netorder = htons(hostorder) */ + +#include "DEFS.h" + +ENTRY(htons) + sethi %hi(0xffff0000), %o1 + retl + andn %o0, %o1, %o0 diff --git a/sys/lib/libkern/arch/sparc/memset.c b/sys/lib/libkern/arch/sparc/memset.c new file mode 100644 index 00000000000..8b208c7e970 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/memset.c @@ -0,0 +1,64 @@ +/* $NetBSD: memset.c,v 1.2 1994/10/26 06:40:00 cgd Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef +static char *sccsid = "@(#)memset.c 5.6 (Berkeley) 1/26/91"; +#endif +static char *rcsid = "$NetBSD: memset.c,v 1.2 1994/10/26 06:40:00 cgd Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/cdefs.h> +#include <string.h> + +void * +memset(dst, c, n) + void *dst; + register int c; + register size_t n; +{ + + if (n != 0) { + register char *d = dst; + + do + *d++ = c; + while (--n != 0); + } + return (dst); +} diff --git a/sys/lib/libkern/arch/sparc/mul.S b/sys/lib/libkern/arch/sparc/mul.S new file mode 100644 index 00000000000..a5df0b17b7e --- /dev/null +++ b/sys/lib/libkern/arch/sparc/mul.S @@ -0,0 +1,159 @@ +/* $NetBSD: mul.S,v 1.2 1994/10/26 06:40:01 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: mul.s,v 1.5 92/06/25 13:24:03 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)mul.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: mul.S,v 1.2 1994/10/26 06:40:01 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* + * Signed multiply, from Appendix E of the Sparc Version 8 + * Architecture Manual. + * + * Returns %o0 * %o1 in %o1%o0 (i.e., %o1 holds the upper 32 bits of + * the 64-bit product). + * + * This code optimizes short (less than 13-bit) multiplies. + */ + +#include "DEFS.h" +FUNC(.mul) + mov %o0, %y ! multiplier -> Y + andncc %o0, 0xfff, %g0 ! test bits 12..31 + be Lmul_shortway ! if zero, can do it the short way + andcc %g0, %g0, %o4 ! zero the partial product and clear N and V + + /* + * Long multiply. 32 steps, followed by a final shift step. + */ + mulscc %o4, %o1, %o4 ! 1 + mulscc %o4, %o1, %o4 ! 2 + mulscc %o4, %o1, %o4 ! 3 + mulscc %o4, %o1, %o4 ! 4 + mulscc %o4, %o1, %o4 ! 5 + mulscc %o4, %o1, %o4 ! 6 + mulscc %o4, %o1, %o4 ! 7 + mulscc %o4, %o1, %o4 ! 8 + mulscc %o4, %o1, %o4 ! 9 + mulscc %o4, %o1, %o4 ! 10 + mulscc %o4, %o1, %o4 ! 11 + mulscc %o4, %o1, %o4 ! 12 + mulscc %o4, %o1, %o4 ! 13 + mulscc %o4, %o1, %o4 ! 14 + mulscc %o4, %o1, %o4 ! 15 + mulscc %o4, %o1, %o4 ! 16 + mulscc %o4, %o1, %o4 ! 17 + mulscc %o4, %o1, %o4 ! 18 + mulscc %o4, %o1, %o4 ! 19 + mulscc %o4, %o1, %o4 ! 20 + mulscc %o4, %o1, %o4 ! 21 + mulscc %o4, %o1, %o4 ! 22 + mulscc %o4, %o1, %o4 ! 23 + mulscc %o4, %o1, %o4 ! 24 + mulscc %o4, %o1, %o4 ! 25 + mulscc %o4, %o1, %o4 ! 26 + mulscc %o4, %o1, %o4 ! 27 + mulscc %o4, %o1, %o4 ! 28 + mulscc %o4, %o1, %o4 ! 29 + mulscc %o4, %o1, %o4 ! 30 + mulscc %o4, %o1, %o4 ! 31 + mulscc %o4, %o1, %o4 ! 32 + mulscc %o4, %g0, %o4 ! final shift + + ! If %o0 was negative, the result is + ! (%o0 * %o1) + (%o1 << 32)) + ! We fix that here. + + tst %o0 + bge 1f + rd %y, %o0 + + ! %o0 was indeed negative; fix upper 32 bits of result by subtracting + ! %o1 (i.e., return %o4 - %o1 in %o1). + retl + sub %o4, %o1, %o1 + +1: + retl + mov %o4, %o1 + +Lmul_shortway: + /* + * Short multiply. 12 steps, followed by a final shift step. + * The resulting bits are off by 12 and (32-12) = 20 bit positions, + * but there is no problem with %o0 being negative (unlike above). + */ + mulscc %o4, %o1, %o4 ! 1 + mulscc %o4, %o1, %o4 ! 2 + mulscc %o4, %o1, %o4 ! 3 + mulscc %o4, %o1, %o4 ! 4 + mulscc %o4, %o1, %o4 ! 5 + mulscc %o4, %o1, %o4 ! 6 + mulscc %o4, %o1, %o4 ! 7 + mulscc %o4, %o1, %o4 ! 8 + mulscc %o4, %o1, %o4 ! 9 + mulscc %o4, %o1, %o4 ! 10 + mulscc %o4, %o1, %o4 ! 11 + mulscc %o4, %o1, %o4 ! 12 + mulscc %o4, %g0, %o4 ! final shift + + /* + * %o4 has 20 of the bits that should be in the low part of the + * result; %y has the bottom 12 (as %y's top 12). That is: + * + * %o4 %y + * +----------------+----------------+ + * | -12- | -20- | -12- | -20- | + * +------(---------+------)---------+ + * --hi-- ----low-part---- + * + * The upper 12 bits of %o4 should be sign-extended to form the + * high part of the product (i.e., highpart = %o4 >> 20). + */ + + rd %y, %o5 + sll %o4, 12, %o0 ! shift middle bits left 12 + srl %o5, 20, %o5 ! shift low bits right 20, zero fill at left + or %o5, %o0, %o0 ! construct low part of result + retl + sra %o4, 20, %o1 ! ... and extract high part of result diff --git a/sys/lib/libkern/arch/sparc/ntohl.S b/sys/lib/libkern/arch/sparc/ntohl.S new file mode 100644 index 00000000000..2bc11ed40c4 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/ntohl.S @@ -0,0 +1,55 @@ +/* $NetBSD: ntohl.S,v 1.2 1994/10/26 06:40:03 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: ntohl.s,v 1.1 92/06/25 12:47:06 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)ntohl.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: ntohl.S,v 1.2 1994/10/26 06:40:03 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohl(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohl) + retl + nop diff --git a/sys/lib/libkern/arch/sparc/ntohs.S b/sys/lib/libkern/arch/sparc/ntohs.S new file mode 100644 index 00000000000..291844d6996 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/ntohs.S @@ -0,0 +1,56 @@ +/* $NetBSD: ntohs.S,v 1.2 1994/10/26 06:40:05 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: ntohs.s,v 1.1 92/06/25 12:47:07 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)ntohs.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: ntohs.S,v 1.2 1994/10/26 06:40:05 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* hostorder = ntohs(netorder) */ + +#include "DEFS.h" + +ENTRY(ntohs) + sethi %hi(0xffff0000), %o1 + retl + andn %o0, %o1, %o0 diff --git a/sys/lib/libkern/arch/sparc/saveregs.S b/sys/lib/libkern/arch/sparc/saveregs.S new file mode 100644 index 00000000000..f8f9ced8c0b --- /dev/null +++ b/sys/lib/libkern/arch/sparc/saveregs.S @@ -0,0 +1,61 @@ +/* $NetBSD: saveregs.S,v 1.2 1994/10/26 06:40:07 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: saveregs.s,v 1.1 91/07/06 17:22:33 torek Exp + */ + +/* + * Save register arguments in caller's `arg dump' area, so that + * stdarg functions work. + * + * This really should be done with a pointer to the arg dump area; + * our caller should allocate that area, not our caller's caller. + * But then, they did not let me invent the calling sequence.... + * + * We assume the caller has executed a `save' instruction. + */ +#include "DEFS.h" + +ENTRY(__builtin_saveregs) + st %i0, [%fp + 0x44] ! fr->fr_argd[0] + st %i1, [%fp + 0x48] ! fr->fr_argd[1] + st %i2, [%fp + 0x4c] ! fr->fr_argd[2] + st %i3, [%fp + 0x50] ! fr->fr_argd[3] + st %i4, [%fp + 0x54] ! fr->fr_argd[4] + retl + st %i5, [%fp + 0x58] ! fr->fr_argd[5] diff --git a/sys/lib/libkern/arch/sparc/setjmp.S b/sys/lib/libkern/arch/sparc/setjmp.S new file mode 100644 index 00000000000..b6986bc8775 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/setjmp.S @@ -0,0 +1,118 @@ +/* $NetBSD: setjmp.S,v 1.2 1994/10/26 06:40:08 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: setjmp.s,v 1.2 92/06/25 03:18:43 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)setjmp.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: setjmp.S,v 1.2 1994/10/26 06:40:08 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* + * C library -- setjmp, longjmp + * + * longjmp(a,v) + * will generate a "return(v)" from + * the last call to + * setjmp(a) + * by restoring registers from the stack, + * and a struct sigcontext, see <signal.h> + */ + +#include "SYS.h" + +ENTRY(setjmp) + /* + * We use the caller's `arg dump' area (%sp+0x44; there are 6 ints + * reserved there for us) to avoid having to allocate stack space + * here. + */ + mov %o0, %o2 /* build sigcontext in [%o2] */ + mov 1, %o0 /* SIG_BLOCK */ + mov SYS_sigprocmask, %g1 + clr %o1 /* sigprocmask(SIG_BLOCK, (sigset_t *)NULL) */ + t ST_SYSCALL + st %o0, [%o2 + 4] /* sc.sc_mask = current mask; */ + mov SYS_sigaltstack, %g1 + clr %o0 /* sigstack(NULL, &foo) */ + add %sp, 0x48, %o1 /* (foo being in arg dump area) */ + t ST_SYSCALL + ld [%sp + 0x50], %o0 /* foo.ss_flags */ + and %o0, 1, %o1 /* onstack = foo.ss_flags & 1; */ + st %o0, [%o2 + 0] /* sc.sc_onstack = current onstack; */ + st %sp, [%o2 + 8] /* sc.sc_sp = sp (both ours and caller's) */ + add %o7, 8, %o0 + st %o0, [%o2 + 12] /* sc.sc_pc = return_pc */ + add %o7, 12, %o0 + st %o0, [%o2 + 16] /* sc.sc_npc = return_pc + 4 */ + st %g0, [%o2 + 20] /* sc.sc_psr = (clean psr) */ + st %fp, [%o2 + 24] /* sc.sc_g1 = %fp (misuse, but what the heck) */ + /* sc.sc_o0 = random(), set in longjmp */ + retl /* return 0 */ + clr %o0 + +/* + * All we need to do here is force sigreturn to load a new stack pointer, + * new <pc,npc>, and appropriate %o0 return value from the sigcontext built + * in setjmp. The %i and %l registers will be reloaded from the place to + * which %sp points, due to sigreturn() semantics (sigreturn does not modify + * the window pointer in the psr, hence it must force all windows to reload). + */ +ENTRY(longjmp) + save %sp, -96, %sp + ld [%i0 + 8], %o2 /* make sure sc->sc_sp, sc->sc_fp nonzero */ + ld [%i0 + 24], %o3 + orcc %o2, %o3, %g0 + bz Lbotch + tst %i1 /* if (v == 0) v = 1; */ + bz,a 1f + mov 1, %i1 +1: + st %i1, [%i0 + 28] /* sc.sc_o0 = v; */ + mov SYS_sigreturn, %g1 + mov %i0, %o0 + t ST_SYSCALL /* sigreturn(scp); */ + +Lbotch: + /* oops, caller botched it */ + call _longjmperror + nop + unimp 0 diff --git a/sys/lib/libkern/arch/sparc/strlen.S b/sys/lib/libkern/arch/sparc/strlen.S new file mode 100644 index 00000000000..1a1a1dbcf49 --- /dev/null +++ b/sys/lib/libkern/arch/sparc/strlen.S @@ -0,0 +1,59 @@ +/* $NetBSD: strlen.S,v 1.2 1994/10/26 06:40:09 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: strlen.s,v 1.1 92/06/25 12:52:47 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)strlen.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: strlen.S,v 1.2 1994/10/26 06:40:09 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +#include "DEFS.h" + +ENTRY(strlen) + add %o0, 1, %o1 ! save starting point + 1 +1: + ldsb [%o0], %o2 ! fetch byte + tst %o2 ! null? + bne 1b ! no, keep going + inc %o0 ! always increment pointer + retl + sub %o0, %o1, %o0 ! return length (ptr - (origptr+1)) diff --git a/sys/lib/libkern/arch/sparc/umul.S b/sys/lib/libkern/arch/sparc/umul.S new file mode 100644 index 00000000000..ca84490d38e --- /dev/null +++ b/sys/lib/libkern/arch/sparc/umul.S @@ -0,0 +1,192 @@ +/* $NetBSD: umul.S,v 1.2 1994/10/26 06:40:10 cgd Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * Header: umul.s,v 1.4 92/06/25 13:24:05 torek Exp + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef + .asciz "@(#)umul.s 8.1 (Berkeley) 6/4/93" +#endif + .asciz "$NetBSD: umul.S,v 1.2 1994/10/26 06:40:10 cgd Exp $" +#endif /* LIBC_SCCS and not lint */ + +/* + * Unsigned multiply. Returns %o0 * %o1 in %o1%o0 (i.e., %o1 holds the + * upper 32 bits of the 64-bit product). + * + * This code optimizes short (less than 13-bit) multiplies. Short + * multiplies require 25 instruction cycles, and long ones require + * 45 instruction cycles. + * + * On return, overflow has occurred (%o1 is not zero) if and only if + * the Z condition code is clear, allowing, e.g., the following: + * + * call .umul + * nop + * bnz overflow (or tnz) + */ + +#include "DEFS.h" +FUNC(.umul) + or %o0, %o1, %o4 + mov %o0, %y ! multiplier -> Y + andncc %o4, 0xfff, %g0 ! test bits 12..31 of *both* args + be Lmul_shortway ! if zero, can do it the short way + andcc %g0, %g0, %o4 ! zero the partial product and clear N and V + + /* + * Long multiply. 32 steps, followed by a final shift step. + */ + mulscc %o4, %o1, %o4 ! 1 + mulscc %o4, %o1, %o4 ! 2 + mulscc %o4, %o1, %o4 ! 3 + mulscc %o4, %o1, %o4 ! 4 + mulscc %o4, %o1, %o4 ! 5 + mulscc %o4, %o1, %o4 ! 6 + mulscc %o4, %o1, %o4 ! 7 + mulscc %o4, %o1, %o4 ! 8 + mulscc %o4, %o1, %o4 ! 9 + mulscc %o4, %o1, %o4 ! 10 + mulscc %o4, %o1, %o4 ! 11 + mulscc %o4, %o1, %o4 ! 12 + mulscc %o4, %o1, %o4 ! 13 + mulscc %o4, %o1, %o4 ! 14 + mulscc %o4, %o1, %o4 ! 15 + mulscc %o4, %o1, %o4 ! 16 + mulscc %o4, %o1, %o4 ! 17 + mulscc %o4, %o1, %o4 ! 18 + mulscc %o4, %o1, %o4 ! 19 + mulscc %o4, %o1, %o4 ! 20 + mulscc %o4, %o1, %o4 ! 21 + mulscc %o4, %o1, %o4 ! 22 + mulscc %o4, %o1, %o4 ! 23 + mulscc %o4, %o1, %o4 ! 24 + mulscc %o4, %o1, %o4 ! 25 + mulscc %o4, %o1, %o4 ! 26 + mulscc %o4, %o1, %o4 ! 27 + mulscc %o4, %o1, %o4 ! 28 + mulscc %o4, %o1, %o4 ! 29 + mulscc %o4, %o1, %o4 ! 30 + mulscc %o4, %o1, %o4 ! 31 + mulscc %o4, %o1, %o4 ! 32 + mulscc %o4, %g0, %o4 ! final shift + + + /* + * Normally, with the shift-and-add approach, if both numbers are + * positive you get the correct result. WIth 32-bit two's-complement + * numbers, -x is represented as + * + * x 32 + * ( 2 - ------ ) mod 2 * 2 + * 32 + * 2 + * + * (the `mod 2' subtracts 1 from 1.bbbb). To avoid lots of 2^32s, + * we can treat this as if the radix point were just to the left + * of the sign bit (multiply by 2^32), and get + * + * -x = (2 - x) mod 2 + * + * Then, ignoring the `mod 2's for convenience: + * + * x * y = xy + * -x * y = 2y - xy + * x * -y = 2x - xy + * -x * -y = 4 - 2x - 2y + xy + * + * For signed multiplies, we subtract (x << 32) from the partial + * product to fix this problem for negative multipliers (see mul.s). + * Because of the way the shift into the partial product is calculated + * (N xor V), this term is automatically removed for the multiplicand, + * so we don't have to adjust. + * + * But for unsigned multiplies, the high order bit wasn't a sign bit, + * and the correction is wrong. So for unsigned multiplies where the + * high order bit is one, we end up with xy - (y << 32). To fix it + * we add y << 32. + */ + tst %o1 + bl,a 1f ! if %o1 < 0 (high order bit = 1), + add %o4, %o0, %o4 ! %o4 += %o0 (add y to upper half) +1: rd %y, %o0 ! get lower half of product + retl + addcc %o4, %g0, %o1 ! put upper half in place and set Z for %o1==0 + +Lmul_shortway: + /* + * Short multiply. 12 steps, followed by a final shift step. + * The resulting bits are off by 12 and (32-12) = 20 bit positions, + * but there is no problem with %o0 being negative (unlike above), + * and overflow is impossible (the answer is at most 24 bits long). + */ + mulscc %o4, %o1, %o4 ! 1 + mulscc %o4, %o1, %o4 ! 2 + mulscc %o4, %o1, %o4 ! 3 + mulscc %o4, %o1, %o4 ! 4 + mulscc %o4, %o1, %o4 ! 5 + mulscc %o4, %o1, %o4 ! 6 + mulscc %o4, %o1, %o4 ! 7 + mulscc %o4, %o1, %o4 ! 8 + mulscc %o4, %o1, %o4 ! 9 + mulscc %o4, %o1, %o4 ! 10 + mulscc %o4, %o1, %o4 ! 11 + mulscc %o4, %o1, %o4 ! 12 + mulscc %o4, %g0, %o4 ! final shift + + /* + * %o4 has 20 of the bits that should be in the result; %y has + * the bottom 12 (as %y's top 12). That is: + * + * %o4 %y + * +----------------+----------------+ + * | -12- | -20- | -12- | -20- | + * +------(---------+------)---------+ + * -----result----- + * + * The 12 bits of %o4 left of the `result' area are all zero; + * in fact, all top 20 bits of %o4 are zero. + */ + + rd %y, %o5 + sll %o4, 12, %o0 ! shift middle bits left 12 + srl %o5, 20, %o5 ! shift low bits right 20 + or %o5, %o0, %o0 + retl + addcc %g0, %g0, %o1 ! %o1 = zero, and set Z diff --git a/sys/lib/libkern/arch/vax/Makefile.inc b/sys/lib/libkern/arch/vax/Makefile.inc new file mode 100644 index 00000000000..fbee47ca691 --- /dev/null +++ b/sys/lib/libkern/arch/vax/Makefile.inc @@ -0,0 +1,5 @@ +# $NetBSD: Makefile.inc,v 1.1 1995/04/18 21:59:46 ragge Exp $ + +SRCS+= __main.c imax.c imin.c lmax.c lmin.c max.c min.c ulmax.c ulmin.c \ + strcat.c strcmp.c strcpy.c strlen.c strncmp.c \ + strncpy.c scanc.c skpc.c locc.c diff --git a/sys/lib/libkern/ashldi3.c b/sys/lib/libkern/ashldi3.c new file mode 100644 index 00000000000..433cf308435 --- /dev/null +++ b/sys/lib/libkern/ashldi3.c @@ -0,0 +1,72 @@ +/* $NetBSD: ashldi3.c,v 1.5 1995/10/07 09:26:17 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)ashldi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: ashldi3.c,v 1.5 1995/10/07 09:26:17 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Shift a (signed) quad value left (arithmetic shift left). + * This is the same as logical shift left! + */ +quad_t +__ashldi3(a, shift) + quad_t a; + qshift_t shift; +{ + union uu aa; + + aa.q = a; + if (shift >= LONG_BITS) { + aa.ul[H] = shift >= QUAD_BITS ? 0 : + aa.ul[L] << (shift - LONG_BITS); + aa.ul[L] = 0; + } else if (shift > 0) { + aa.ul[H] = (aa.ul[H] << shift) | + (aa.ul[L] >> (LONG_BITS - shift)); + aa.ul[L] <<= shift; + } + return (aa.q); +} diff --git a/sys/lib/libkern/ashrdi3.c b/sys/lib/libkern/ashrdi3.c new file mode 100644 index 00000000000..5389a0d0389 --- /dev/null +++ b/sys/lib/libkern/ashrdi3.c @@ -0,0 +1,81 @@ +/* $NetBSD: ashrdi3.c,v 1.5 1995/10/07 09:26:18 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)ashrdi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: ashrdi3.c,v 1.5 1995/10/07 09:26:18 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Shift a (signed) quad value right (arithmetic shift right). + */ +quad_t +__ashrdi3(a, shift) + quad_t a; + qshift_t shift; +{ + union uu aa; + + aa.q = a; + if (shift >= LONG_BITS) { + long s; + + /* + * Smear bits rightward using the machine's right-shift + * method, whether that is sign extension or zero fill, + * to get the `sign word' s. Note that shifting by + * LONG_BITS is undefined, so we shift (LONG_BITS-1), + * then 1 more, to get our answer. + */ + s = (aa.sl[H] >> (LONG_BITS - 1)) >> 1; + aa.ul[L] = shift >= QUAD_BITS ? s : + aa.sl[H] >> (shift - LONG_BITS); + aa.ul[H] = s; + } else if (shift > 0) { + aa.ul[L] = (aa.ul[L] >> shift) | + (aa.ul[H] << (LONG_BITS - shift)); + aa.sl[H] >>= shift; + } + return (aa.q); +} diff --git a/sys/lib/libkern/bcmp.c b/sys/lib/libkern/bcmp.c new file mode 100644 index 00000000000..e2341527631 --- /dev/null +++ b/sys/lib/libkern/bcmp.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 1987 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)bcmp.c 5.6 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id: bcmp.c,v 1.1 1995/10/18 08:52:49 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +/* + * bcmp -- vax cmpc3 instruction + */ +bcmp(b1, b2, length) + const void *b1, *b2; + register size_t length; +{ + register char *p1, *p2; + + if (length == 0) + return(0); + p1 = (char *)b1; + p2 = (char *)b2; + do + if (*p1++ != *p2++) + break; + while (--length); + return(length); +} diff --git a/sys/lib/libkern/bzero.c b/sys/lib/libkern/bzero.c new file mode 100644 index 00000000000..ef48985e930 --- /dev/null +++ b/sys/lib/libkern/bzero.c @@ -0,0 +1,53 @@ +/* + * Copyright (c) 1987 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)bzero.c 5.7 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id: bzero.c,v 1.1 1995/10/18 08:52:49 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +/* + * bzero -- vax movc5 instruction + */ +void +bzero(b, length) + void *b; + register size_t length; +{ + register char *p; + + for (p = b; length--;) + *p++ = '\0'; +} diff --git a/sys/lib/libkern/cmpdi2.c b/sys/lib/libkern/cmpdi2.c new file mode 100644 index 00000000000..8cf667d4e83 --- /dev/null +++ b/sys/lib/libkern/cmpdi2.c @@ -0,0 +1,65 @@ +/* $NetBSD: cmpdi2.c,v 1.5 1995/10/07 09:26:22 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)cmpdi2.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: cmpdi2.c,v 1.5 1995/10/07 09:26:22 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return 0, 1, or 2 as a <, =, > b respectively. + * Both a and b are considered signed---which means only the high word is + * signed. + */ +int +__cmpdi2(a, b) + quad_t a, b; +{ + union uu aa, bb; + + aa.q = a; + bb.q = b; + return (aa.sl[H] < bb.sl[H] ? 0 : aa.sl[H] > bb.sl[H] ? 2 : + aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1); +} diff --git a/sys/lib/libkern/divdi3.c b/sys/lib/libkern/divdi3.c new file mode 100644 index 00000000000..48f0bcbacc2 --- /dev/null +++ b/sys/lib/libkern/divdi3.c @@ -0,0 +1,71 @@ +/* $NetBSD: divdi3.c,v 1.5 1995/10/07 09:26:24 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)divdi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: divdi3.c,v 1.5 1995/10/07 09:26:24 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Divide two signed quads. + * ??? if -1/2 should produce -1 on this machine, this code is wrong + */ +quad_t +__divdi3(a, b) + quad_t a, b; +{ + u_quad_t ua, ub, uq; + int neg; + + if (a < 0) + ua = -(u_quad_t)a, neg = 1; + else + ua = a, neg = 0; + if (b < 0) + ub = -(u_quad_t)b, neg ^= 1; + else + ub = b; + uq = __qdivrem(ua, ub, (u_quad_t *)0); + return (neg ? -uq : uq); +} diff --git a/sys/lib/libkern/ffs.c b/sys/lib/libkern/ffs.c new file mode 100644 index 00000000000..77974d4b994 --- /dev/null +++ b/sys/lib/libkern/ffs.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)ffs.c 5.4 (Berkeley) 5/17/90";*/ +static char *rcsid = "$Id: ffs.c,v 1.1 1995/10/18 08:52:49 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +/* + * ffs -- vax ffs instruction + */ +int +ffs(mask) + register int mask; +{ + register int bit; + + if (mask == 0) + return(0); + for (bit = 1; !(mask & 1); bit++) + mask >>= 1; + return(bit); +} diff --git a/sys/lib/libkern/htonl.c b/sys/lib/libkern/htonl.c new file mode 100644 index 00000000000..971757f2028 --- /dev/null +++ b/sys/lib/libkern/htonl.c @@ -0,0 +1,29 @@ +/* $NetBSD: htonl.c,v 1.6 1995/10/07 09:26:26 mycroft Exp $ */ + +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$NetBSD: htonl.c,v 1.6 1995/10/07 09:26:26 mycroft Exp $"; +#endif + +#include <sys/types.h> +#include <machine/endian.h> + +#undef htonl + +unsigned long +htonl(x) + unsigned long x; +{ + u_int32_t y = x; + +#if BYTE_ORDER == LITTLE_ENDIAN + u_char *s = (u_char *)&y; + return s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]; +#else + return y; +#endif +} diff --git a/sys/lib/libkern/htons.c b/sys/lib/libkern/htons.c new file mode 100644 index 00000000000..6d491588b59 --- /dev/null +++ b/sys/lib/libkern/htons.c @@ -0,0 +1,27 @@ +/* $NetBSD: htons.c,v 1.6 1995/10/07 09:26:27 mycroft Exp $ */ + +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$NetBSD: htons.c,v 1.6 1995/10/07 09:26:27 mycroft Exp $"; +#endif + +#include <sys/types.h> +#include <machine/endian.h> + +#undef htons + +unsigned short +htons(x) + unsigned short x; +{ +#if BYTE_ORDER == LITTLE_ENDIAN + u_char *s = (u_char *) &x; + return s[0] << 8 | s[1]; +#else + return x; +#endif +} diff --git a/sys/lib/libkern/imax.c b/sys/lib/libkern/imax.c new file mode 100644 index 00000000000..243f82deb66 --- /dev/null +++ b/sys/lib/libkern/imax.c @@ -0,0 +1,43 @@ +/* $NetBSD: imax.c,v 1.2 1994/10/26 06:42:24 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +int +imax(a, b) + int a, b; +{ + return (a > b ? a : b); +} diff --git a/sys/lib/libkern/imin.c b/sys/lib/libkern/imin.c new file mode 100644 index 00000000000..9ac2402c6ba --- /dev/null +++ b/sys/lib/libkern/imin.c @@ -0,0 +1,43 @@ +/* $NetBSD: imin.c,v 1.2 1994/10/26 06:42:25 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +int +imin(a, b) + int a, b; +{ + return (a < b ? a : b); +} diff --git a/sys/lib/libkern/iordi3.c b/sys/lib/libkern/iordi3.c new file mode 100644 index 00000000000..ebaa54c45b1 --- /dev/null +++ b/sys/lib/libkern/iordi3.c @@ -0,0 +1,64 @@ +/* $NetBSD: iordi3.c,v 1.5 1995/10/07 09:26:28 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)iordi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: iordi3.c,v 1.5 1995/10/07 09:26:28 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return a | b, in quad. + */ +quad_t +__iordi3(a, b) + quad_t a, b; +{ + union uu aa, bb; + + aa.q = a; + bb.q = b; + aa.ul[0] |= bb.ul[0]; + aa.ul[1] |= bb.ul[1]; + return (aa.q); +} diff --git a/sys/lib/libkern/libkern.h b/sys/lib/libkern/libkern.h new file mode 100644 index 00000000000..01169467c7e --- /dev/null +++ b/sys/lib/libkern/libkern.h @@ -0,0 +1,117 @@ +/* $NetBSD: libkern.h,v 1.5 1995/09/23 20:35:47 leo Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)libkern.h 8.1 (Berkeley) 6/10/93 + */ + +#include <sys/types.h> + +static __inline int imax __P((int, int)); +static __inline int imin __P((int, int)); +static __inline u_int max __P((u_int, u_int)); +static __inline u_int min __P((u_int, u_int)); +static __inline long lmax __P((long, long)); +static __inline long lmin __P((long, long)); +static __inline u_long ulmax __P((u_long, u_long)); +static __inline u_long ulmin __P((u_long, u_long)); +static __inline int abs __P((int)); + +static __inline int +imax(a, b) + int a, b; +{ + return (a > b ? a : b); +} +static __inline int +imin(a, b) + int a, b; +{ + return (a < b ? a : b); +} +static __inline long +lmax(a, b) + long a, b; +{ + return (a > b ? a : b); +} +static __inline long +lmin(a, b) + long a, b; +{ + return (a < b ? a : b); +} +static __inline u_int +max(a, b) + u_int a, b; +{ + return (a > b ? a : b); +} +static __inline u_int +min(a, b) + u_int a, b; +{ + return (a < b ? a : b); +} +static __inline u_long +ulmax(a, b) + u_long a, b; +{ + return (a > b ? a : b); +} +static __inline u_long +ulmin(a, b) + u_long a, b; +{ + return (a < b ? a : b); +} + +static __inline int +abs(j) + int j; +{ + return(j < 0 ? -j : j); +} + +/* Prototypes for non-quad routines. */ +int bcmp __P((const void *, const void *, size_t)); +int ffs __P((int)); +int locc __P((int, char *, u_int)); +u_long random __P((void)); +char *rindex __P((const char *, int)); +int scanc __P((u_int, u_char *, u_char *, int)); +int skpc __P((int, int, char *)); +char *strcat __P((char *, const char *)); +char *strcpy __P((char *, const char *)); +size_t strlen __P((const char *)); +char *strncpy __P((char *, const char *, size_t)); diff --git a/sys/lib/libkern/lmax.c b/sys/lib/libkern/lmax.c new file mode 100644 index 00000000000..723300807d7 --- /dev/null +++ b/sys/lib/libkern/lmax.c @@ -0,0 +1,43 @@ +/* $NetBSD: lmax.c,v 1.2 1994/10/26 06:42:27 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +long +lmax(a, b) + long a, b; +{ + return (a > b ? a : b); +} diff --git a/sys/lib/libkern/lmin.c b/sys/lib/libkern/lmin.c new file mode 100644 index 00000000000..2bfe05aba70 --- /dev/null +++ b/sys/lib/libkern/lmin.c @@ -0,0 +1,43 @@ +/* $NetBSD: lmin.c,v 1.2 1994/10/26 06:42:28 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +long +lmin(a, b) + long a, b; +{ + return (a < b ? a : b); +} diff --git a/sys/lib/libkern/locc.c b/sys/lib/libkern/locc.c new file mode 100644 index 00000000000..4ca388aed81 --- /dev/null +++ b/sys/lib/libkern/locc.c @@ -0,0 +1,51 @@ +/* $NetBSD: locc.c,v 1.2 1994/10/26 06:42:29 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ufs_subr.c 7.13 (Berkeley) 6/28/90 + */ + +#include <sys/types.h> + +int +locc(mask, size, cp) + register int mask; + u_int size; + register u_char *cp; +{ + register u_char *end = &cp[size]; + + while (cp < end && *cp != mask) + cp++; + return (end - cp); +} diff --git a/sys/lib/libkern/lshldi3.c b/sys/lib/libkern/lshldi3.c new file mode 100644 index 00000000000..d8a085257d6 --- /dev/null +++ b/sys/lib/libkern/lshldi3.c @@ -0,0 +1,72 @@ +/* $NetBSD: lshldi3.c,v 1.5 1995/10/07 09:26:29 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)lshldi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: lshldi3.c,v 1.5 1995/10/07 09:26:29 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Shift an (unsigned) quad value left (logical shift left). + * This is the same as arithmetic shift left! + */ +quad_t +__lshldi3(a, shift) + quad_t a; + qshift_t shift; +{ + union uu aa; + + aa.q = a; + if (shift >= LONG_BITS) { + aa.ul[H] = shift >= QUAD_BITS ? 0 : + aa.ul[L] << (shift - LONG_BITS); + aa.ul[L] = 0; + } else if (shift > 0) { + aa.ul[H] = (aa.ul[H] << shift) | + (aa.ul[L] >> (LONG_BITS - shift)); + aa.ul[L] <<= shift; + } + return (aa.q); +} diff --git a/sys/lib/libkern/lshrdi3.c b/sys/lib/libkern/lshrdi3.c new file mode 100644 index 00000000000..5b30c6afe80 --- /dev/null +++ b/sys/lib/libkern/lshrdi3.c @@ -0,0 +1,71 @@ +/* $NetBSD: lshrdi3.c,v 1.5 1995/10/07 09:26:30 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)lshrdi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: lshrdi3.c,v 1.5 1995/10/07 09:26:30 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Shift an (unsigned) quad value right (logical shift right). + */ +quad_t +__lshrdi3(a, shift) + quad_t a; + qshift_t shift; +{ + union uu aa; + + aa.q = a; + if (shift >= LONG_BITS) { + aa.ul[L] = shift >= QUAD_BITS ? 0 : + aa.ul[H] >> (shift - LONG_BITS); + aa.ul[H] = 0; + } else if (shift > 0) { + aa.ul[L] = (aa.ul[L] >> shift) | + (aa.ul[H] << (LONG_BITS - shift)); + aa.ul[H] >>= shift; + } + return (aa.q); +} diff --git a/sys/lib/libkern/max.c b/sys/lib/libkern/max.c new file mode 100644 index 00000000000..825fb57fd3b --- /dev/null +++ b/sys/lib/libkern/max.c @@ -0,0 +1,43 @@ +/* $NetBSD: max.c,v 1.2 1994/10/26 06:42:31 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +unsigned int +max(a, b) + unsigned int a, b; +{ + return (a > b ? a : b); +} diff --git a/sys/lib/libkern/mcount.c b/sys/lib/libkern/mcount.c new file mode 100644 index 00000000000..f0aee538c3b --- /dev/null +++ b/sys/lib/libkern/mcount.c @@ -0,0 +1,180 @@ +/* $NetBSD: mcount.c,v 1.3 1995/03/28 20:01:02 jtc Exp $ */ + +/*- + * Copyright (c) 1983, 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if !defined(lint) && !defined(_KERNEL) && defined(LIBC_SCCS) +static char sccsid[] = "@(#)mcount.c 8.1 (Berkeley) 6/4/93"; +#endif + +#include <sys/param.h> +#include <sys/gmon.h> + +/* + * mcount is called on entry to each function compiled with the profiling + * switch set. _mcount(), which is declared in a machine-dependent way + * with _MCOUNT_DECL, does the actual work and is either inlined into a + * C routine or called by an assembly stub. In any case, this magic is + * taken care of by the MCOUNT definition in <machine/profile.h>. + * + * _mcount updates data structures that represent traversals of the + * program's call graph edges. frompc and selfpc are the return + * address and function address that represents the given call graph edge. + * + * Note: the original BSD code used the same variable (frompcindex) for + * both frompcindex and frompc. Any reasonable, modern compiler will + * perform this optimization. + */ +_MCOUNT_DECL(frompc, selfpc) /* _mcount; may be static, inline, etc */ + register u_long frompc, selfpc; +{ + register u_short *frompcindex; + register struct tostruct *top, *prevtop; + register struct gmonparam *p; + register long toindex; +#ifdef _KERNEL + register int s; +#endif + + p = &_gmonparam; + /* + * check that we are profiling + * and that we aren't recursively invoked. + */ + if (p->state != GMON_PROF_ON) + return; +#ifdef _KERNEL + MCOUNT_ENTER; +#else + p->state = GMON_PROF_BUSY; +#endif + /* + * check that frompcindex is a reasonable pc value. + * for example: signal catchers get called from the stack, + * not from text space. too bad. + */ + frompc -= p->lowpc; + if (frompc > p->textsize) + goto done; + + frompcindex = &p->froms[frompc / (p->hashfraction * sizeof(*p->froms))]; + toindex = *frompcindex; + if (toindex == 0) { + /* + * first time traversing this arc + */ + toindex = ++p->tos[0].link; + if (toindex >= p->tolimit) + /* halt further profiling */ + goto overflow; + + *frompcindex = toindex; + top = &p->tos[toindex]; + top->selfpc = selfpc; + top->count = 1; + top->link = 0; + goto done; + } + top = &p->tos[toindex]; + if (top->selfpc == selfpc) { + /* + * arc at front of chain; usual case. + */ + top->count++; + goto done; + } + /* + * have to go looking down chain for it. + * top points to what we are looking at, + * prevtop points to previous top. + * we know it is not at the head of the chain. + */ + for (; /* goto done */; ) { + if (top->link == 0) { + /* + * top is end of the chain and none of the chain + * had top->selfpc == selfpc. + * so we allocate a new tostruct + * and link it to the head of the chain. + */ + toindex = ++p->tos[0].link; + if (toindex >= p->tolimit) + goto overflow; + + top = &p->tos[toindex]; + top->selfpc = selfpc; + top->count = 1; + top->link = *frompcindex; + *frompcindex = toindex; + goto done; + } + /* + * otherwise, check the next arc on the chain. + */ + prevtop = top; + top = &p->tos[top->link]; + if (top->selfpc == selfpc) { + /* + * there it is. + * increment its count + * move it to the head of the chain. + */ + top->count++; + toindex = prevtop->link; + prevtop->link = top->link; + top->link = *frompcindex; + *frompcindex = toindex; + goto done; + } + + } +done: +#ifdef _KERNEL + MCOUNT_EXIT; +#else + p->state = GMON_PROF_ON; +#endif + return; +overflow: + p->state = GMON_PROF_ERROR; +#ifdef _KERNEL + MCOUNT_EXIT; +#endif + return; +} + +/* + * Actual definition of mcount function. Defined in <machine/profile.h>, + * which is included by <sys/gmon.h>. + */ +MCOUNT diff --git a/sys/lib/libkern/min.c b/sys/lib/libkern/min.c new file mode 100644 index 00000000000..07d26426902 --- /dev/null +++ b/sys/lib/libkern/min.c @@ -0,0 +1,43 @@ +/* $NetBSD: min.c,v 1.2 1994/10/26 06:42:33 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +unsigned int +min(a, b) + unsigned int a, b; +{ + return (a < b ? a : b); +} diff --git a/sys/lib/libkern/moddi3.c b/sys/lib/libkern/moddi3.c new file mode 100644 index 00000000000..1d16c88d943 --- /dev/null +++ b/sys/lib/libkern/moddi3.c @@ -0,0 +1,73 @@ +/* $NetBSD: moddi3.c,v 1.5 1995/10/07 09:26:31 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)moddi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: moddi3.c,v 1.5 1995/10/07 09:26:31 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return remainder after dividing two signed quads. + * + * XXX + * If -1/2 should produce -1 on this machine, this code is wrong. + */ +quad_t +__moddi3(a, b) + quad_t a, b; +{ + u_quad_t ua, ub, ur; + int neg; + + if (a < 0) + ua = -(u_quad_t)a, neg = 1; + else + ua = a, neg = 0; + if (b < 0) + ub = -(u_quad_t)b, neg ^= 1; + else + ub = b; + (void)__qdivrem(ua, ub, &ur); + return (neg ? -ur : ur); +} diff --git a/sys/lib/libkern/muldi3.c b/sys/lib/libkern/muldi3.c new file mode 100644 index 00000000000..1df8b0f7b9e --- /dev/null +++ b/sys/lib/libkern/muldi3.c @@ -0,0 +1,252 @@ +/* $NetBSD: muldi3.c,v 1.5 1995/10/07 09:26:33 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)muldi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: muldi3.c,v 1.5 1995/10/07 09:26:33 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Multiply two quads. + * + * Our algorithm is based on the following. Split incoming quad values + * u and v (where u,v >= 0) into + * + * u = 2^n u1 * u0 (n = number of bits in `u_long', usu. 32) + * + * and + * + * v = 2^n v1 * v0 + * + * Then + * + * uv = 2^2n u1 v1 + 2^n u1 v0 + 2^n v1 u0 + u0 v0 + * = 2^2n u1 v1 + 2^n (u1 v0 + v1 u0) + u0 v0 + * + * Now add 2^n u1 v1 to the first term and subtract it from the middle, + * and add 2^n u0 v0 to the last term and subtract it from the middle. + * This gives: + * + * uv = (2^2n + 2^n) (u1 v1) + + * (2^n) (u1 v0 - u1 v1 + u0 v1 - u0 v0) + + * (2^n + 1) (u0 v0) + * + * Factoring the middle a bit gives us: + * + * uv = (2^2n + 2^n) (u1 v1) + [u1v1 = high] + * (2^n) (u1 - u0) (v0 - v1) + [(u1-u0)... = mid] + * (2^n + 1) (u0 v0) [u0v0 = low] + * + * The terms (u1 v1), (u1 - u0) (v0 - v1), and (u0 v0) can all be done + * in just half the precision of the original. (Note that either or both + * of (u1 - u0) or (v0 - v1) may be negative.) + * + * This algorithm is from Knuth vol. 2 (2nd ed), section 4.3.3, p. 278. + * + * Since C does not give us a `long * long = quad' operator, we split + * our input quads into two longs, then split the two longs into two + * shorts. We can then calculate `short * short = long' in native + * arithmetic. + * + * Our product should, strictly speaking, be a `long quad', with 128 + * bits, but we are going to discard the upper 64. In other words, + * we are not interested in uv, but rather in (uv mod 2^2n). This + * makes some of the terms above vanish, and we get: + * + * (2^n)(high) + (2^n)(mid) + (2^n + 1)(low) + * + * or + * + * (2^n)(high + mid + low) + low + * + * Furthermore, `high' and `mid' can be computed mod 2^n, as any factor + * of 2^n in either one will also vanish. Only `low' need be computed + * mod 2^2n, and only because of the final term above. + */ +static quad_t __lmulq(u_long, u_long); + +quad_t +__muldi3(a, b) + quad_t a, b; +{ + union uu u, v, low, prod; + register u_long high, mid, udiff, vdiff; + register int negall, negmid; +#define u1 u.ul[H] +#define u0 u.ul[L] +#define v1 v.ul[H] +#define v0 v.ul[L] + + /* + * Get u and v such that u, v >= 0. When this is finished, + * u1, u0, v1, and v0 will be directly accessible through the + * longword fields. + */ + if (a >= 0) + u.q = a, negall = 0; + else + u.q = -a, negall = 1; + if (b >= 0) + v.q = b; + else + v.q = -b, negall ^= 1; + + if (u1 == 0 && v1 == 0) { + /* + * An (I hope) important optimization occurs when u1 and v1 + * are both 0. This should be common since most numbers + * are small. Here the product is just u0*v0. + */ + prod.q = __lmulq(u0, v0); + } else { + /* + * Compute the three intermediate products, remembering + * whether the middle term is negative. We can discard + * any upper bits in high and mid, so we can use native + * u_long * u_long => u_long arithmetic. + */ + low.q = __lmulq(u0, v0); + + if (u1 >= u0) + negmid = 0, udiff = u1 - u0; + else + negmid = 1, udiff = u0 - u1; + if (v0 >= v1) + vdiff = v0 - v1; + else + vdiff = v1 - v0, negmid ^= 1; + mid = udiff * vdiff; + + high = u1 * v1; + + /* + * Assemble the final product. + */ + prod.ul[H] = high + (negmid ? -mid : mid) + low.ul[L] + + low.ul[H]; + prod.ul[L] = low.ul[L]; + } + return (negall ? -prod.q : prod.q); +#undef u1 +#undef u0 +#undef v1 +#undef v0 +} + +/* + * Multiply two 2N-bit longs to produce a 4N-bit quad, where N is half + * the number of bits in a long (whatever that is---the code below + * does not care as long as quad.h does its part of the bargain---but + * typically N==16). + * + * We use the same algorithm from Knuth, but this time the modulo refinement + * does not apply. On the other hand, since N is half the size of a long, + * we can get away with native multiplication---none of our input terms + * exceeds (ULONG_MAX >> 1). + * + * Note that, for u_long l, the quad-precision result + * + * l << N + * + * splits into high and low longs as HHALF(l) and LHUP(l) respectively. + */ +static quad_t +__lmulq(u_long u, u_long v) +{ + u_long u1, u0, v1, v0, udiff, vdiff, high, mid, low; + u_long prodh, prodl, was; + union uu prod; + int neg; + + u1 = HHALF(u); + u0 = LHALF(u); + v1 = HHALF(v); + v0 = LHALF(v); + + low = u0 * v0; + + /* This is the same small-number optimization as before. */ + if (u1 == 0 && v1 == 0) + return (low); + + if (u1 >= u0) + udiff = u1 - u0, neg = 0; + else + udiff = u0 - u1, neg = 1; + if (v0 >= v1) + vdiff = v0 - v1; + else + vdiff = v1 - v0, neg ^= 1; + mid = udiff * vdiff; + + high = u1 * v1; + + /* prod = (high << 2N) + (high << N); */ + prodh = high + HHALF(high); + prodl = LHUP(high); + + /* if (neg) prod -= mid << N; else prod += mid << N; */ + if (neg) { + was = prodl; + prodl -= LHUP(mid); + prodh -= HHALF(mid) + (prodl > was); + } else { + was = prodl; + prodl += LHUP(mid); + prodh += HHALF(mid) + (prodl < was); + } + + /* prod += low << N */ + was = prodl; + prodl += LHUP(low); + prodh += HHALF(low) + (prodl < was); + /* ... + low; */ + if ((prodl += low) < low) + prodh++; + + /* return 4N-bit product */ + prod.ul[H] = prodh; + prod.ul[L] = prodl; + return (prod.q); +} diff --git a/sys/lib/libkern/negdi2.c b/sys/lib/libkern/negdi2.c new file mode 100644 index 00000000000..cd89f94fb63 --- /dev/null +++ b/sys/lib/libkern/negdi2.c @@ -0,0 +1,63 @@ +/* $NetBSD: negdi2.c,v 1.5 1995/10/07 09:26:34 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)negdi2.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: negdi2.c,v 1.5 1995/10/07 09:26:34 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return -a (or, equivalently, 0 - a), in quad. See subdi3.c. + */ +quad_t +__negdi2(a) + quad_t a; +{ + union uu aa, res; + + aa.q = a; + res.ul[L] = -aa.ul[L]; + res.ul[H] = -aa.ul[H] - (res.ul[L] > 0); + return (res.q); +} diff --git a/sys/lib/libkern/notdi2.c b/sys/lib/libkern/notdi2.c new file mode 100644 index 00000000000..1b65b1fbdfb --- /dev/null +++ b/sys/lib/libkern/notdi2.c @@ -0,0 +1,64 @@ +/* $NetBSD: notdi2.c,v 1.5 1995/10/07 09:26:36 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)notdi2.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: notdi2.c,v 1.5 1995/10/07 09:26:36 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return ~a. For some reason gcc calls this `one's complement' rather + * than `not'. + */ +quad_t +__one_cmpldi2(a) + quad_t a; +{ + union uu aa; + + aa.q = a; + aa.ul[0] = ~aa.ul[0]; + aa.ul[1] = ~aa.ul[1]; + return (aa.q); +} diff --git a/sys/lib/libkern/ntohl.c b/sys/lib/libkern/ntohl.c new file mode 100644 index 00000000000..6f9f2de0f22 --- /dev/null +++ b/sys/lib/libkern/ntohl.c @@ -0,0 +1,29 @@ +/* $NetBSD: ntohl.c,v 1.6 1995/10/07 09:26:38 mycroft Exp $ */ + +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$NetBSD: ntohl.c,v 1.6 1995/10/07 09:26:38 mycroft Exp $"; +#endif + +#include <sys/types.h> +#include <machine/endian.h> + +#undef ntohl + +unsigned long +ntohl(x) + unsigned long x; +{ + u_int32_t y = x; + +#if BYTE_ORDER == LITTLE_ENDIAN + u_char *s = (u_char *)&y; + return s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]; +#else + return y; +#endif +} diff --git a/sys/lib/libkern/ntohs.c b/sys/lib/libkern/ntohs.c new file mode 100644 index 00000000000..2e2e95f240e --- /dev/null +++ b/sys/lib/libkern/ntohs.c @@ -0,0 +1,27 @@ +/* $NetBSD: ntohs.c,v 1.5 1995/10/07 09:26:39 mycroft Exp $ */ + +/* + * Written by J.T. Conklin <jtc@netbsd.org>. + * Public domain. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char *rcsid = "$NetBSD: ntohs.c,v 1.5 1995/10/07 09:26:39 mycroft Exp $"; +#endif + +#include <sys/types.h> +#include <machine/endian.h> + +#undef ntohs + +unsigned short +ntohs(x) + unsigned short x; +{ +#if BYTE_ORDER == LITTLE_ENDIAN + u_char *s = (u_char *) &x; + return s[0] << 8 | s[1]; +#else + return x; +#endif +} diff --git a/sys/lib/libkern/qdivrem.c b/sys/lib/libkern/qdivrem.c new file mode 100644 index 00000000000..f654a4b0617 --- /dev/null +++ b/sys/lib/libkern/qdivrem.c @@ -0,0 +1,286 @@ +/* $NetBSD: qdivrem.c,v 1.5 1995/10/07 09:26:40 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#ifdef notdef +static char sccsid[] = "@(#)qdivrem.c 8.1 (Berkeley) 6/4/93"; +#endif +static char rcsid[] = "$NetBSD: qdivrem.c,v 1.5 1995/10/07 09:26:40 mycroft Exp $"; +#endif /* LIBC_SCCS and not lint */ + +/* + * Multiprecision divide. This algorithm is from Knuth vol. 2 (2nd ed), + * section 4.3.1, pp. 257--259. + */ + +#include "quad.h" + +#define B ((long)1 << HALF_BITS) /* digit base */ + +/* Combine two `digits' to make a single two-digit number. */ +#define COMBINE(a, b) (((u_long)(a) << HALF_BITS) | (b)) + +/* select a type for digits in base B: use unsigned short if they fit */ +#if ULONG_MAX == 0xffffffff && USHRT_MAX >= 0xffff +typedef unsigned short digit; +#else +typedef u_long digit; +#endif + +static void shl __P((digit *p, int len, int sh)); + +/* + * __qdivrem(u, v, rem) returns u/v and, optionally, sets *rem to u%v. + * + * We do this in base 2-sup-HALF_BITS, so that all intermediate products + * fit within u_long. As a consequence, the maximum length dividend and + * divisor are 4 `digits' in this base (they are shorter if they have + * leading zeros). + */ +u_quad_t +__qdivrem(uq, vq, arq) + u_quad_t uq, vq, *arq; +{ + union uu tmp; + digit *u, *v, *q; + register digit v1, v2; + u_long qhat, rhat, t; + int m, n, d, j, i; + digit uspace[5], vspace[5], qspace[5]; + + /* + * Take care of special cases: divide by zero, and u < v. + */ + if (vq == 0) { + /* divide by zero. */ + static volatile const unsigned int zero = 0; + + tmp.ul[H] = tmp.ul[L] = 1 / zero; + if (arq) + *arq = uq; + return (tmp.q); + } + if (uq < vq) { + if (arq) + *arq = uq; + return (0); + } + u = &uspace[0]; + v = &vspace[0]; + q = &qspace[0]; + + /* + * Break dividend and divisor into digits in base B, then + * count leading zeros to determine m and n. When done, we + * will have: + * u = (u[1]u[2]...u[m+n]) sub B + * v = (v[1]v[2]...v[n]) sub B + * v[1] != 0 + * 1 < n <= 4 (if n = 1, we use a different division algorithm) + * m >= 0 (otherwise u < v, which we already checked) + * m + n = 4 + * and thus + * m = 4 - n <= 2 + */ + tmp.uq = uq; + u[0] = 0; + u[1] = HHALF(tmp.ul[H]); + u[2] = LHALF(tmp.ul[H]); + u[3] = HHALF(tmp.ul[L]); + u[4] = LHALF(tmp.ul[L]); + tmp.uq = vq; + v[1] = HHALF(tmp.ul[H]); + v[2] = LHALF(tmp.ul[H]); + v[3] = HHALF(tmp.ul[L]); + v[4] = LHALF(tmp.ul[L]); + for (n = 4; v[1] == 0; v++) { + if (--n == 1) { + u_long rbj; /* r*B+u[j] (not root boy jim) */ + digit q1, q2, q3, q4; + + /* + * Change of plan, per exercise 16. + * r = 0; + * for j = 1..4: + * q[j] = floor((r*B + u[j]) / v), + * r = (r*B + u[j]) % v; + * We unroll this completely here. + */ + t = v[2]; /* nonzero, by definition */ + q1 = u[1] / t; + rbj = COMBINE(u[1] % t, u[2]); + q2 = rbj / t; + rbj = COMBINE(rbj % t, u[3]); + q3 = rbj / t; + rbj = COMBINE(rbj % t, u[4]); + q4 = rbj / t; + if (arq) + *arq = rbj % t; + tmp.ul[H] = COMBINE(q1, q2); + tmp.ul[L] = COMBINE(q3, q4); + return (tmp.q); + } + } + + /* + * By adjusting q once we determine m, we can guarantee that + * there is a complete four-digit quotient at &qspace[1] when + * we finally stop. + */ + for (m = 4 - n; u[1] == 0; u++) + m--; + for (i = 4 - m; --i >= 0;) + q[i] = 0; + q += 4 - m; + + /* + * Here we run Program D, translated from MIX to C and acquiring + * a few minor changes. + * + * D1: choose multiplier 1 << d to ensure v[1] >= B/2. + */ + d = 0; + for (t = v[1]; t < B / 2; t <<= 1) + d++; + if (d > 0) { + shl(&u[0], m + n, d); /* u <<= d */ + shl(&v[1], n - 1, d); /* v <<= d */ + } + /* + * D2: j = 0. + */ + j = 0; + v1 = v[1]; /* for D3 -- note that v[1..n] are constant */ + v2 = v[2]; /* for D3 */ + do { + register digit uj0, uj1, uj2; + + /* + * D3: Calculate qhat (\^q, in TeX notation). + * Let qhat = min((u[j]*B + u[j+1])/v[1], B-1), and + * let rhat = (u[j]*B + u[j+1]) mod v[1]. + * While rhat < B and v[2]*qhat > rhat*B+u[j+2], + * decrement qhat and increase rhat correspondingly. + * Note that if rhat >= B, v[2]*qhat < rhat*B. + */ + uj0 = u[j + 0]; /* for D3 only -- note that u[j+...] change */ + uj1 = u[j + 1]; /* for D3 only */ + uj2 = u[j + 2]; /* for D3 only */ + if (uj0 == v1) { + qhat = B; + rhat = uj1; + goto qhat_too_big; + } else { + u_long n = COMBINE(uj0, uj1); + qhat = n / v1; + rhat = n % v1; + } + while (v2 * qhat > COMBINE(rhat, uj2)) { + qhat_too_big: + qhat--; + if ((rhat += v1) >= B) + break; + } + /* + * D4: Multiply and subtract. + * The variable `t' holds any borrows across the loop. + * We split this up so that we do not require v[0] = 0, + * and to eliminate a final special case. + */ + for (t = 0, i = n; i > 0; i--) { + t = u[i + j] - v[i] * qhat - t; + u[i + j] = LHALF(t); + t = (B - HHALF(t)) & (B - 1); + } + t = u[j] - t; + u[j] = LHALF(t); + /* + * D5: test remainder. + * There is a borrow if and only if HHALF(t) is nonzero; + * in that (rare) case, qhat was too large (by exactly 1). + * Fix it by adding v[1..n] to u[j..j+n]. + */ + if (HHALF(t)) { + qhat--; + for (t = 0, i = n; i > 0; i--) { /* D6: add back. */ + t += u[i + j] + v[i]; + u[i + j] = LHALF(t); + t = HHALF(t); + } + u[j] = LHALF(u[j] + t); + } + q[j] = qhat; + } while (++j <= m); /* D7: loop on j. */ + + /* + * If caller wants the remainder, we have to calculate it as + * u[m..m+n] >> d (this is at most n digits and thus fits in + * u[m+1..m+n], but we may need more source digits). + */ + if (arq) { + if (d) { + for (i = m + n; i > m; --i) + u[i] = (u[i] >> d) | + LHALF(u[i - 1] << (HALF_BITS - d)); + u[i] = 0; + } + tmp.ul[H] = COMBINE(uspace[1], uspace[2]); + tmp.ul[L] = COMBINE(uspace[3], uspace[4]); + *arq = tmp.q; + } + + tmp.ul[H] = COMBINE(qspace[1], qspace[2]); + tmp.ul[L] = COMBINE(qspace[3], qspace[4]); + return (tmp.q); +} + +/* + * Shift p[0]..p[len] left `sh' bits, ignoring any bits that + * `fall out' the left (there never will be any such anyway). + * We may assume len >= 0. NOTE THAT THIS WRITES len+1 DIGITS. + */ +static void +shl(register digit *p, register int len, register int sh) +{ + register int i; + + for (i = 0; i < len; i++) + p[i] = LHALF(p[i] << sh) | (p[i + 1] >> (HALF_BITS - sh)); + p[i] = LHALF(p[i] << sh); +} diff --git a/sys/lib/libkern/quad.h b/sys/lib/libkern/quad.h new file mode 100644 index 00000000000..2d4d2523c51 --- /dev/null +++ b/sys/lib/libkern/quad.h @@ -0,0 +1,112 @@ +/* $NetBSD: quad.h,v 1.4.2.1 1995/10/12 15:17:26 jtc Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)quad.h 8.1 (Berkeley) 6/4/93 + */ + +/* + * Quad arithmetic. + * + * This library makes the following assumptions: + * + * - The type long long (aka quad_t) exists. + * + * - A quad variable is exactly twice as long as `long'. + * + * - The machine's arithmetic is two's complement. + * + * This library can provide 128-bit arithmetic on a machine with 128-bit + * quads and 64-bit longs, for instance, or 96-bit arithmetic on machines + * with 48-bit longs. + */ + +#include <sys/types.h> +#include <limits.h> + +/* + * Depending on the desired operation, we view a `long long' (aka quad_t) in + * one or more of the following formats. + */ +union uu { + quad_t q; /* as a (signed) quad */ + u_quad_t uq; /* as an unsigned quad */ + long sl[2]; /* as two signed longs */ + u_long ul[2]; /* as two unsigned longs */ +}; + +/* + * Define high and low longwords. + */ +#define H _QUAD_HIGHWORD +#define L _QUAD_LOWWORD + +/* + * Total number of bits in a quad_t and in the pieces that make it up. + * These are used for shifting, and also below for halfword extraction + * and assembly. + */ +#define QUAD_BITS (sizeof(quad_t) * CHAR_BIT) +#define LONG_BITS (sizeof(long) * CHAR_BIT) +#define HALF_BITS (sizeof(long) * CHAR_BIT / 2) + +/* + * Extract high and low shortwords from longword, and move low shortword of + * longword to upper half of long, i.e., produce the upper longword of + * ((quad_t)(x) << (number_of_bits_in_long/2)). (`x' must actually be u_long.) + * + * These are used in the multiply code, to split a longword into upper + * and lower halves, and to reassemble a product as a quad_t, shifted left + * (sizeof(long)*CHAR_BIT/2). + */ +#define HHALF(x) ((u_long)(x) >> HALF_BITS) +#define LHALF(x) ((u_long)(x) & (((long)1 << HALF_BITS) - 1)) +#define LHUP(x) ((u_long)(x) << HALF_BITS) + +extern u_quad_t __qdivrem __P((u_quad_t u, u_quad_t v, u_quad_t *rem)); + +/* + * XXX + * Compensate for gcc 1 vs gcc 2. Gcc 1 defines ?sh?di3's second argument + * as u_quad_t, while gcc 2 correctly uses int. Unfortunately, we still use + * both compilers. + */ +#if __GNUC__ >= 2 +typedef unsigned int qshift_t; +#else +typedef u_quad_t qshift_t; +#endif diff --git a/sys/lib/libkern/random.c b/sys/lib/libkern/random.c new file mode 100644 index 00000000000..14a10320f63 --- /dev/null +++ b/sys/lib/libkern/random.c @@ -0,0 +1,65 @@ +/* $NetBSD: random.c,v 1.2 1994/10/26 06:42:42 cgd Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)random.c 8.1 (Berkeley) 6/10/93 + */ + +#include <sys/types.h> + +/* + * Pseudo-random number generator for randomizing the profiling clock, + * and whatever else we might use it for. The result is uniform on + * [0, 2^31 - 1]. + */ +u_long +random() +{ + static u_long randseed = 1; + register long x, hi, lo, t; + + /* + * Compute x[n + 1] = (7^5 * x[n]) mod (2^31 - 1). + * From "Random number generators: good ones are hard to find", + * Park and Miller, Communications of the ACM, vol. 31, no. 10, + * October 1988, p. 1195. + */ + x = randseed; + hi = x / 127773; + lo = x % 127773; + t = 16807 * lo - 2836 * hi; + if (t <= 0) + t += 0x7fffffff; + randseed = t; + return (t); +} diff --git a/sys/lib/libkern/scanc.c b/sys/lib/libkern/scanc.c new file mode 100644 index 00000000000..c28e47841b9 --- /dev/null +++ b/sys/lib/libkern/scanc.c @@ -0,0 +1,51 @@ +/* $NetBSD: scanc.c,v 1.2 1994/10/26 06:42:42 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ufs_subr.c 7.13 (Berkeley) 6/28/90 + */ + +#include <sys/types.h> + +int +scanc(size, cp, table, mask) + u_int size; + register u_char *cp, table[]; + register u_char mask; +{ + register u_char *end = &cp[size]; + + while (cp < end && (table[*cp] & mask) == 0) + cp++; + return (end - cp); +} diff --git a/sys/lib/libkern/skpc.c b/sys/lib/libkern/skpc.c new file mode 100644 index 00000000000..298af88fcaf --- /dev/null +++ b/sys/lib/libkern/skpc.c @@ -0,0 +1,51 @@ +/* $NetBSD: skpc.c,v 1.2 1994/10/26 06:42:43 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1989 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ufs_subr.c 7.13 (Berkeley) 6/28/90 + */ + +#include <sys/types.h> + +int +skpc(mask, size, cp) + register int mask; + u_int size; + register u_char *cp; +{ + register u_char *end = &cp[size]; + + while (cp < end && *cp == mask) + cp++; + return (end - cp); +} diff --git a/sys/lib/libkern/strcat.c b/sys/lib/libkern/strcat.c new file mode 100644 index 00000000000..986543d9c46 --- /dev/null +++ b/sys/lib/libkern/strcat.c @@ -0,0 +1,51 @@ +/* + * Copyright (c) 1988 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strcat.c 5.6 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id: strcat.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +char * +strcat(s, append) + register char *s; + register const char *append; +{ + char *save = s; + + for (; *s; ++s); + while (*s++ = *append++); + return(save); +} diff --git a/sys/lib/libkern/strcmp.c b/sys/lib/libkern/strcmp.c new file mode 100644 index 00000000000..9cfd886d0e1 --- /dev/null +++ b/sys/lib/libkern/strcmp.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strcmp.c 5.5 (Berkeley) 1/26/91";*/ +static char *rcsid = "$Id: strcmp.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +/* + * Compare strings. + */ +int +strcmp(s1, s2) + register const char *s1, *s2; +{ + while (*s1 == *s2++) + if (*s1++ == 0) + return (0); + return (*(unsigned char *)s1 - *(unsigned char *)--s2); +} diff --git a/sys/lib/libkern/strcpy.c b/sys/lib/libkern/strcpy.c new file mode 100644 index 00000000000..7c42dcf5801 --- /dev/null +++ b/sys/lib/libkern/strcpy.c @@ -0,0 +1,50 @@ +/* + * Copyright (c) 1988 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strcpy.c 5.7 (Berkeley) 2/24/91";*/ +static char *rcsid = "$Id: strcpy.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +char * +strcpy(to, from) + register char *to; + register const char *from; +{ + char *save = to; + + for (; *to = *from; ++from, ++to); + return(save); +} diff --git a/sys/lib/libkern/strlen.c b/sys/lib/libkern/strlen.c new file mode 100644 index 00000000000..11dc3afbaec --- /dev/null +++ b/sys/lib/libkern/strlen.c @@ -0,0 +1,50 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strlen.c 5.5 (Berkeley) 1/26/91";*/ +static char *rcsid = "$Id: strlen.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +size_t +strlen(str) + const char *str; +{ + register const char *s; + + for (s = str; *s; ++s); + return(s - str); +} + diff --git a/sys/lib/libkern/strncmp.c b/sys/lib/libkern/strncmp.c new file mode 100644 index 00000000000..386c9cf07a3 --- /dev/null +++ b/sys/lib/libkern/strncmp.c @@ -0,0 +1,56 @@ +/* + * Copyright (c) 1989 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strncmp.c 5.6 (Berkeley) 1/26/91";*/ +static char *rcsid = "$Id: strncmp.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +int +strncmp(s1, s2, n) + register const char *s1, *s2; + register size_t n; +{ + + if (n == 0) + return (0); + do { + if (*s1 != *s2++) + return (*(unsigned char *)s1 - *(unsigned char *)--s2); + if (*s1++ == 0) + break; + } while (--n != 0); + return (0); +} diff --git a/sys/lib/libkern/strncpy.c b/sys/lib/libkern/strncpy.c new file mode 100644 index 00000000000..31917fda071 --- /dev/null +++ b/sys/lib/libkern/strncpy.c @@ -0,0 +1,68 @@ +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Chris Torek. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)strncpy.c 5.6 (Berkeley) 1/26/91";*/ +static char *rcsid = "$Id: strncpy.c,v 1.1 1995/10/18 08:52:50 deraadt Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <string.h> + +/* + * Copy src to dst, truncating or null-padding to always copy n bytes. + * Return dst. + */ +char * +strncpy(dst, src, n) + char *dst; + const char *src; + register size_t n; +{ + if (n != 0) { + register char *d = dst; + register const char *s = src; + + do { + if ((*d++ = *s++) == 0) { + /* NUL pad the remaining n-1 bytes */ + while (--n != 0) + *d++ = 0; + break; + } + } while (--n != 0); + } + return (dst); +} diff --git a/sys/lib/libkern/subdi3.c b/sys/lib/libkern/subdi3.c new file mode 100644 index 00000000000..80350f9b8be --- /dev/null +++ b/sys/lib/libkern/subdi3.c @@ -0,0 +1,65 @@ +/* $NetBSD: subdi3.c,v 1.5 1995/10/07 09:26:52 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)subdi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: subdi3.c,v 1.5 1995/10/07 09:26:52 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Subtract two quad values. This is trivial since a one-bit carry + * from a single u_long difference x-y occurs if and only if (x-y) > x. + */ +quad_t +__subdi3(a, b) + quad_t a, b; +{ + union uu aa, bb, diff; + + aa.q = a; + bb.q = b; + diff.ul[L] = aa.ul[L] - bb.ul[L]; + diff.ul[H] = aa.ul[H] - bb.ul[H] - (diff.ul[L] > aa.ul[L]); + return (diff.q); +} diff --git a/sys/lib/libkern/ucmpdi2.c b/sys/lib/libkern/ucmpdi2.c new file mode 100644 index 00000000000..633b6ab95ab --- /dev/null +++ b/sys/lib/libkern/ucmpdi2.c @@ -0,0 +1,64 @@ +/* $NetBSD: ucmpdi2.c,v 1.5 1995/10/07 09:26:53 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)ucmpdi2.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: ucmpdi2.c,v 1.5 1995/10/07 09:26:53 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return 0, 1, or 2 as a <, =, > b respectively. + * Neither a nor b are considered signed. + */ +int +__ucmpdi2(a, b) + u_quad_t a, b; +{ + union uu aa, bb; + + aa.uq = a; + bb.uq = b; + return (aa.ul[H] < bb.ul[H] ? 0 : aa.ul[H] > bb.ul[H] ? 2 : + aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1); +} diff --git a/sys/lib/libkern/udivdi3.c b/sys/lib/libkern/udivdi3.c new file mode 100644 index 00000000000..316e2a67d87 --- /dev/null +++ b/sys/lib/libkern/udivdi3.c @@ -0,0 +1,59 @@ +/* $NetBSD: udivdi3.c,v 1.5 1995/10/07 09:26:54 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)udivdi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: udivdi3.c,v 1.5 1995/10/07 09:26:54 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Divide two unsigned quads. + */ +u_quad_t +__udivdi3(a, b) + u_quad_t a, b; +{ + + return (__qdivrem(a, b, (u_quad_t *)0)); +} diff --git a/sys/lib/libkern/ulmax.c b/sys/lib/libkern/ulmax.c new file mode 100644 index 00000000000..0beadeacb7e --- /dev/null +++ b/sys/lib/libkern/ulmax.c @@ -0,0 +1,43 @@ +/* $NetBSD: ulmax.c,v 1.2 1994/10/26 06:42:52 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +unsigned long +ulmax(a, b) + unsigned long a, b; +{ + return (a > b ? a : b); +} diff --git a/sys/lib/libkern/ulmin.c b/sys/lib/libkern/ulmin.c new file mode 100644 index 00000000000..68631c14506 --- /dev/null +++ b/sys/lib/libkern/ulmin.c @@ -0,0 +1,43 @@ +/* $NetBSD: ulmin.c,v 1.2 1994/10/26 06:42:53 cgd Exp $ */ + +/* + * Copyright (c) 1982, 1986, 1991 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)subr_xxx.c 7.10 (Berkeley) 4/20/91 + */ + +unsigned long +ulmin(a, b) + unsigned long a, b; +{ + return (a < b ? a : b); +} diff --git a/sys/lib/libkern/umoddi3.c b/sys/lib/libkern/umoddi3.c new file mode 100644 index 00000000000..6c9ff3dc880 --- /dev/null +++ b/sys/lib/libkern/umoddi3.c @@ -0,0 +1,61 @@ +/* $NetBSD: umoddi3.c,v 1.5 1995/10/07 09:26:55 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)umoddi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: umoddi3.c,v 1.5 1995/10/07 09:26:55 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return remainder after dividing two unsigned quads. + */ +u_quad_t +__umoddi3(a, b) + u_quad_t a, b; +{ + u_quad_t r; + + (void)__qdivrem(a, b, &r); + return (r); +} diff --git a/sys/lib/libkern/xordi3.c b/sys/lib/libkern/xordi3.c new file mode 100644 index 00000000000..e49c43ec456 --- /dev/null +++ b/sys/lib/libkern/xordi3.c @@ -0,0 +1,64 @@ +/* $NetBSD: xordi3.c,v 1.5 1995/10/07 09:26:56 mycroft Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +#if 0 +static char sccsid[] = "@(#)xordi3.c 8.1 (Berkeley) 6/4/93"; +#else +static char rcsid[] = "$NetBSD: xordi3.c,v 1.5 1995/10/07 09:26:56 mycroft Exp $"; +#endif +#endif /* LIBC_SCCS and not lint */ + +#include "quad.h" + +/* + * Return a ^ b, in quad. + */ +quad_t +__xordi3(a, b) + quad_t a, b; +{ + union uu aa, bb; + + aa.q = a; + bb.q = b; + aa.ul[0] ^= bb.ul[0]; + aa.ul[1] ^= bb.ul[1]; + return (aa.q); +} |