diff options
Diffstat (limited to 'sys/lib/libkern/arch/vax')
| -rw-r--r-- | sys/lib/libkern/arch/vax/bcmp.S | 57 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/bcopy.S | 72 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/bzero.S | 47 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/memcmp.S | 65 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/memcpy.S | 86 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/memmove.S | 87 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/memset.S | 48 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/vax/ovbcopy.S | 2 |
8 files changed, 459 insertions, 5 deletions
diff --git a/sys/lib/libkern/arch/vax/bcmp.S b/sys/lib/libkern/arch/vax/bcmp.S index 33ba5c2da5c..1c480988ecb 100644 --- a/sys/lib/libkern/arch/vax/bcmp.S +++ b/sys/lib/libkern/arch/vax/bcmp.S @@ -1 +1,56 @@ -/* No code here since kernel impliments this itself */ +/* $OpenBSD: bcmp.S,v 1.3 2009/08/19 19:47:53 miod Exp $ */ +/* + * Copyright (c) 1983, 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. 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. + */ + +#include <machine/asm.h> + +/* Since "cmpc3" is not portable across VAXen, do it the hard way */ +/* still, this is four times faster than the generic C version on a uvax2 */ + +ENTRY(bcmp, 0) + movl 12(ap),r0 # r0 = n + jeql 9f + movq 4(ap),r1 # r1 = s1, r2 = s2 + ashl $-2,r0,r3 # convert len to # of long words + jeql 2f +1: + cmpl (r1)+,(r2)+ # no "cmpq" alas, so four bytes at a time + jneq 9f + sobgtr r3,1b +2: + bicl3 $-4,r0,r3 # handle at most 3 extra bytes + jeql 8f +3: + cmpb (r1)+,(r2)+ + jneq 9f + sobgtr r3,3b +8: + clrl r0 # we have a match! +9: + ret diff --git a/sys/lib/libkern/arch/vax/bcopy.S b/sys/lib/libkern/arch/vax/bcopy.S index 33ba5c2da5c..24b1d21ccb0 100644 --- a/sys/lib/libkern/arch/vax/bcopy.S +++ b/sys/lib/libkern/arch/vax/bcopy.S @@ -1 +1,71 @@ -/* No code here since kernel impliments this itself */ +/* $OpenBSD: bcopy.S,v 1.3 2009/08/19 19:47:53 miod Exp $ */ +/* + * Copyright (c) 1983, 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. 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. + */ + +/* bcopy(from, to, size) */ + +#include <machine/asm.h> + +ENTRY(bcopy, R2|R3|R4|R5|R6) + movl 4(ap),r1 + movl 8(ap),r3 + movl 12(ap),r6 + cmpl r1,r3 + bgtr 2f # normal forward case + blss 3f # overlapping, must do backwards + ret # equal, nothing to do +1: + subl2 r0,r6 + movc3 r0,(r1),(r3) +2: + movzwl $65535,r0 + cmpl r6,r0 + jgtr 1b + movc3 r6,(r1),(r3) + ret +3: + addl2 r6,r1 + addl2 r6,r3 + movzwl $65535,r0 + jbr 5f +4: + subl2 r0,r6 + subl2 r0,r1 + subl2 r0,r3 + movc3 r0,(r1),(r3) + movzwl $65535,r0 + subl2 r0,r1 + subl2 r0,r3 +5: + cmpl r6,r0 + jgtr 4b + subl2 r6,r1 + subl2 r6,r3 + movc3 r6,(r1),(r3) + ret diff --git a/sys/lib/libkern/arch/vax/bzero.S b/sys/lib/libkern/arch/vax/bzero.S index 33ba5c2da5c..c3fd12bb3d5 100644 --- a/sys/lib/libkern/arch/vax/bzero.S +++ b/sys/lib/libkern/arch/vax/bzero.S @@ -1 +1,46 @@ -/* No code here since kernel impliments this itself */ +/* $OpenBSD: bzero.S,v 1.3 2009/08/19 19:47:53 miod Exp $ */ +/* + * Copyright (c) 1983, 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. 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. + */ + +/* bzero(base, length) */ + +#include <machine/asm.h> + +ENTRY(bzero, R2|R3|R4|R5) + movl 4(ap),r3 + jbr 2f +1: + subl2 r0,8(ap) + movc5 $0,(r3),$0,r0,(r3) +2: + movzwl $65535,r0 + cmpl 8(ap),r0 + jgtr 1b + movc5 $0,(r3),$0,8(ap),(r3) + ret diff --git a/sys/lib/libkern/arch/vax/memcmp.S b/sys/lib/libkern/arch/vax/memcmp.S new file mode 100644 index 00000000000..4ce069b3afd --- /dev/null +++ b/sys/lib/libkern/arch/vax/memcmp.S @@ -0,0 +1,65 @@ +/* $OpenBSD: memcmp.S,v 1.1 2009/08/19 19:47:53 miod Exp $ */ +/*- + * Copyright (c) 1990, 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. 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. + */ + +/* int memcmp(s1, s2, n) */ + +#include <machine/asm.h> + +ENTRY(memcmp, 0) + movl 12(ap),r0 + jeql 9f + movq 4(ap),r1 + ashl $-2,r0,r3 # convert len to long words + jeql 2f +1: + cmpl (r1)+,(r2)+ # no "cmpq" alas + jneq 7f + sobgtr r3,1b +2: + bicl3 $-4,r0,r3 # handle at most 3 extra bytes + jeql 4f +3: + cmpb (r1)+,(r2)+ + jneq 8f + sobgtr r3,3b +4: + clrl r0 # we had a match + ret +7: # backup, and do a byte compare + tstl -(r1) + tstl -(r2) + movl $4,r3 + jbr 3b +8: + movzbl -(r1),r3 + movzbl -(r2),r4 + subl3 r4,r3,r0 +9: + ret diff --git a/sys/lib/libkern/arch/vax/memcpy.S b/sys/lib/libkern/arch/vax/memcpy.S new file mode 100644 index 00000000000..46fcf60d6b2 --- /dev/null +++ b/sys/lib/libkern/arch/vax/memcpy.S @@ -0,0 +1,86 @@ +/* $OpenBSD: memcpy.S,v 1.1 2009/08/19 19:47:53 miod Exp $ */ +/*- + * Copyright (c) 1990, 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. 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. + */ + +/* + * void *memcpy(dst, src, size) + * returns dst + * + * This optimises the usual case (count < 65536) at the expense + * of some extra memory references and branches when count >= 65536. + */ + +#include <machine/asm.h> + +ENTRY(memcpy, R2|R3|R4|R5) + movzwl $65535,r0 /* r0 = 64K (needed below) */ + movq 8(ap),r1 /* r1 = src, r2 = length */ + movl 4(ap),r3 /* r3 = dst */ + cmpl r1,r3 + bgtru 1f /* normal forward case */ + beql 2f /* equal, nothing to do */ + addl2 r2,r1 /* overlaps iff src<dst but src+len>dst */ + cmpl r1,r3 + bgtru 4f /* overlapping, must move backwards */ + subl2 r2,r1 + +1: /* move forward */ + cmpl r2,r0 + bgtru 3f /* stupid movc3 limitation */ + movc3 r2,(r1),(r3) /* move it all */ +2: + movl 4(ap),r0 /* return original dst */ + ret +3: + subl2 r0,12(ap) /* adjust length by 64K */ + movc3 r0,(r1),(r3) /* move 64K */ + movl 12(ap),r2 + decw r0 /* from 0 to 65535 */ + brb 1b /* retry */ + +4: /* move backward */ + addl2 r2,r3 +5: + cmpl r2,r0 + bgtru 6f /* stupid movc3 limitation */ + subl2 r2,r1 + subl2 r2,r3 + movc3 r2,(r1),(r3) /* move it all */ + movl 4(ap),r0 /* return original dst */ + ret +6: + subl2 r0,12(ap) /* adjust length by 64K */ + subl2 r0,r1 + subl2 r0,r3 + movc3 r0,(r1),(r3) /* move 64K */ + movl 12(ap),r2 + decw r0 + subl2 r0,r1 + subl2 r0,r3 + brb 5b diff --git a/sys/lib/libkern/arch/vax/memmove.S b/sys/lib/libkern/arch/vax/memmove.S index 33ba5c2da5c..1a67e59b30e 100644 --- a/sys/lib/libkern/arch/vax/memmove.S +++ b/sys/lib/libkern/arch/vax/memmove.S @@ -1 +1,86 @@ -/* No code here since kernel impliments this itself */ +/* $OpenBSD: memmove.S,v 1.3 2009/08/19 19:47:53 miod Exp $ */ +/*- + * Copyright (c) 1990, 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. 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. + */ + +/* + * void *memmove(dst, src, size) + * returns dst + * + * This optimises the usual case (count < 65536) at the expense + * of some extra memory references and branches when count >= 65536. + */ + +#include <machine/asm.h> + +ENTRY(memmove, R2|R3|R4|R5) + movzwl $65535,r0 /* r0 = 64K (needed below) */ + movq 8(ap),r1 /* r1 = src, r2 = length */ + movl 4(ap),r3 /* r3 = dst */ + cmpl r1,r3 + bgtru 1f /* normal forward case */ + beql 2f /* equal, nothing to do */ + addl2 r2,r1 /* overlaps iff src<dst but src+len>dst */ + cmpl r1,r3 + bgtru 4f /* overlapping, must move backwards */ + subl2 r2,r1 + +1: /* move forward */ + cmpl r2,r0 + bgtru 3f /* stupid movc3 limitation */ + movc3 r2,(r1),(r3) /* move it all */ +2: + movl 4(ap),r0 /* return original dst */ + ret +3: + subl2 r0,12(ap) /* adjust length by 64K */ + movc3 r0,(r1),(r3) /* move 64K */ + movl 12(ap),r2 + decw r0 /* from 0 to 65535 */ + brb 1b /* retry */ + +4: /* move backward */ + addl2 r2,r3 +5: + cmpl r2,r0 + bgtru 6f /* stupid movc3 limitation */ + subl2 r2,r1 + subl2 r2,r3 + movc3 r2,(r1),(r3) /* move it all */ + movl 4(ap),r0 /* return original dst */ + ret +6: + subl2 r0,12(ap) /* adjust length by 64K */ + subl2 r0,r1 + subl2 r0,r3 + movc3 r0,(r1),(r3) /* move 64K */ + movl 12(ap),r2 + decw r0 + subl2 r0,r1 + subl2 r0,r3 + brb 5b diff --git a/sys/lib/libkern/arch/vax/memset.S b/sys/lib/libkern/arch/vax/memset.S new file mode 100644 index 00000000000..f8cc2331247 --- /dev/null +++ b/sys/lib/libkern/arch/vax/memset.S @@ -0,0 +1,48 @@ +/* $OpenBSD: memset.S,v 1.1 2009/08/19 19:47:53 miod Exp $ */ +/*- + * Copyright (c) 1990, 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. 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. + */ + +/* void *memset(base, c, length) */ + +#include <machine/asm.h> + +ENTRY(memset, R2|R3|R4|R5) + movl 4(ap),r3 +1: + movzwl $65535,r0 + movq 8(ap),r1 + cmpl r2,r0 + jgtru 2f + movc5 $0,(r3),r1,r2,(r3) + movl r1,r0 + ret +2: + subl2 r0,12(ap) + movc5 $0,(r3),r1,r0,(r3) + jbr 1b diff --git a/sys/lib/libkern/arch/vax/ovbcopy.S b/sys/lib/libkern/arch/vax/ovbcopy.S index 33ba5c2da5c..10f0be2384c 100644 --- a/sys/lib/libkern/arch/vax/ovbcopy.S +++ b/sys/lib/libkern/arch/vax/ovbcopy.S @@ -1 +1 @@ -/* No code here since kernel impliments this itself */ +/* No code here since <machine/param.h> defines ovbcopy() as bcopy() */ |