csu stuff for sgi et al

3 files changed, 308 insertions, 0 deletions

diff --git a/lib/csu/mips64/Makefile b/lib/csu/mips64/Makefile
new file mode 100644
index 00000000000..7883801dfb1
--- /dev/null
+++ b/lib/csu/mips64/Makefile
@@ -0,0 +1,35 @@
+#	$OpenBSD: Makefile,v 1.1 2004/08/06 22:21:16 pefo Exp $
+
+#CFLAGS+=	-DLIBC_SCCS -I${.CURDIR} -mips2
+CFLAGS+=	-DLIBC_SCCS -I${.CURDIR}
+OBJS=		crt0.o gcrt0.o scrt0.o crtbegin.o crtend.o crtbeginS.o crtendS.o
+
+.PATH: ${.CURDIR}/../common_elf
+
+all: ${OBJS}
+
+crt0.o: crt0.c ${DEPS}
+	@echo "${CC} -DCRT0 -c ${.ALLSRC} -o ${.TARGET}"
+	@${CC} -DCRT0 -c ${.ALLSRC} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+gcrt0.o: crt0.c ${DEPS}
+	@echo "${CC} -DMCRT0 -c ${.ALLSRC} -o ${.TARGET}"
+	@${CC} -DMCRT0 -c ${.ALLSRC} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+scrt0.o: crt0.c ${DEPS}
+	@echo "${CC} -DSCRT0 -c ${.ALLSRC} -o ${.TARGET}"
+	@${CC} -DSCRT0 -c ${.ALLSRC} -o ${.TARGET}.o
+	@${LD} -x -r ${.TARGET}.o -o ${.TARGET}
+	@rm -f ${.TARGET}.o
+
+realinstall:
+	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m 444 ${OBJS} \
+	    ${DESTDIR}/usr/lib
+
+depend lint tags:
+
+.include <bsd.prog.mk>
diff --git a/lib/csu/mips64/crt0.c b/lib/csu/mips64/crt0.c
new file mode 100644
index 00000000000..4d30111b63d
--- /dev/null
+++ b/lib/csu/mips64/crt0.c
@@ -0,0 +1,209 @@
+/*	$OpenBSD: crt0.c,v 1.1 2004/08/06 22:21:16 pefo Exp $	*/
+/*	$NetBSD: crt0.c,v 1.7 1995/06/03 13:16:15 pk Exp $	*/
+/*
+ * Copyright (c) 1993 Paul Kranenburg
+ * 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 Paul Kranenburg.
+ * 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.
+ *
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char rcsid[] = "$OpenBSD: crt0.c,v 1.1 2004/08/06 22:21:16 pefo Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+extern void	__init __P((void));
+extern void     _mcleanup __P((void));
+extern unsigned char    eprol asm ("eprol");
+extern unsigned char    etext;
+
+char			**environ;
+static char		empty[1];
+char			*__progname = empty;
+void     __perf_init __P((void));
+
+static inline int
+_perfcall(int func, void *arg)
+{
+  int status = 0;
+#if 0
+  __asm__ volatile (	"move   $4, %1\n\t"
+			"move   $5, %2\n\t"
+			"teqi   $0, 0\n\t"
+			"move   %0, $2"
+			: "=r" (status)
+			: "r" (func), "r" (arg)
+			: "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9", "$10",
+			  "$11", "$12","$13","$14","$15","$24","$25", "memory");
+#endif
+  return(status);
+}
+
+void
+__start()
+{
+	struct kframe {
+		int	kargc;
+		char	*kargv[1];	/* size depends on kargc */
+		char	kargstr[1];	/* size varies */
+		char	kenvstr[1];	/* size varies */
+	};
+
+	register struct kframe *kfp;
+	register char **argv, *ap;
+
+/*
+ *  Do GP register setup. Differs depending on shared lib stuff or not.
+ */
+#if defined(_NO_ABICALLS)
+	asm("	la	$28,_gp");
+	asm("	addiu	%0,$29,32" : "=r" (kfp));
+#else
+	asm("	addiu	%0,$29,48" : "=r" (kfp));
+#endif
+	/* just above the saved frame pointer
+	kfp = (struct kframe *) (&param-1);*/
+	argv = &kfp->kargv[0];
+	environ = argv + kfp->kargc + 1;
+
+	if (ap = argv[0])
+		if ((__progname = strrchr(ap, '/')) == NULL)
+			__progname = ap;
+		else
+			++__progname;
+
+asm("eprol:");
+
+#ifdef MCRT0
+	atexit(_mcleanup);
+	monstartup((u_long)&eprol, (u_long)&etext);
+#endif /*MCRT0*/
+
+	__init();
+	__perf_init();
+
+asm ("_callmain:");		/* Defined for the benefit of debuggers */
+	exit(main(kfp->kargc, argv, environ));
+}
+
+__main() {}
+
+#ifdef MCRT0
+asm ("	.text");
+asm ("_eprol:");
+#endif
+
+/************/
+#include <stdio.h>
+
+void     _perf_cleanup __P((void));
+
+#define PCNT_CE                 0x0400  /* Count enable */
+#define PCNT_UM                 0x0200  /* Count in User mode */
+#define PCNT_KM                 0x0100  /* Count in kernel mode */
+
+#define PCNT_FNC_SELECT         0x0001  /* Select counter source */
+#define PCNT_FNC_READ           0x0002  /* Read current value of counter */
+
+struct cname {
+	char *name;
+	int  cval;
+} cn_tab[] = {
+	{ "CLOCKS",	0x00 },
+	{ "INSTR",	0x01 },
+	{ "FPINSTR",	0x02 },
+	{ "IINSTR",	0x03 },
+	{ "LOAD",	0x04 },
+	{ "STORE",	0x05 },
+	{ "DUAL",	0x06 },
+	{ "BRPREF",	0x07 },
+	{ "EXTMISS",	0x08 },
+	{ "STALL",	0x09 },
+	{ "SECMISS",	0x0a },
+	{ "INSMISS",	0x0b },
+	{ "DTAMISS",	0x0c },
+	{ "DTLBMISS",	0x0d },
+	{ "ITLBMISS",	0x0e },
+	{ "JTLBIMISS",	0x0f },
+	{ "JTLBDMISS",	0x10 },
+	{ "BRTAKEN",	0x11 },
+	{ "BRISSUED",	0x12 },
+	{ "SECWBACK",	0x13 },
+	{ "PRIWBACK",	0x14 },
+	{ "DCSTALL",	0x15 },
+	{ "MISS",	0x16 },
+	{ "FPEXC",	0x17 },
+	{ "MULSLIP",	0x18 },
+	{ "CP0SLIP",	0x19 },
+	{ "LDSLIP",	0x1a },
+	{ "WBFULL",	0x1b },
+	{ "CISTALL",	0x1c },
+	{ "MULSTALL",	0x1d },
+	{ "ELDSTALL",	0x1e },
+};
+#define NCNTAB (sizeof(cn_tab) / sizeof(struct cname))
+
+void
+__perf_init()
+{
+	long pselect;
+	char *cn;
+
+	if((cn = getenv("__PERF_SELECT")) == NULL) {
+		return;
+	}
+	
+	for(pselect = 0; pselect < NCNTAB; pselect++) {
+		if(strcmp(cn, cn_tab[pselect].name) == 0) {
+			pselect = cn_tab[pselect].cval;
+			break;
+		}
+	}
+	if(pselect >= NCNTAB) {
+		fprintf(stderr, "!! Invalid __PERF_SELECT !!\n");
+		exit(255);
+	}
+	_perfcall(PCNT_FNC_SELECT, (void *)(PCNT_CE|PCNT_UM|pselect)); /*XXX*/
+	atexit(_perf_cleanup);
+
+	if((cn = getenv("__PERF_START")) == NULL) {
+		return;
+	}
+}
+
+void
+_perf_cleanup()
+{
+	quad_t countvalue;
+
+	_perfcall(PCNT_FNC_READ, &countvalue);
+	printf("\ncount = %qd.\n", countvalue);
+}
diff --git a/lib/csu/mips64/md_init.h b/lib/csu/mips64/md_init.h
new file mode 100644
index 00000000000..274da327711
--- /dev/null
+++ b/lib/csu/mips64/md_init.h
@@ -0,0 +1,64 @@
+/* $OpenBSD: md_init.h,v 1.1 2004/08/06 22:21:16 pefo Exp $ */
+
+/*-
+ * Copyright (c) 2001 Ross Harvey
+ * 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 NetBSD
+ *      Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 0
+#define MD_SECT_CALL_FUNC(section, func) \
+	__asm (".section "#section", \"ax\"\n"	\
+	"	bl " #func "\n"		\
+	"	.previous")
+
+#define MD_SECTION_PROLOGUE(sect, entry_pt)	\
+	__asm (					\
+	".section "#sect",\"ax\",@progbits	\n" \
+	"	.globl " #entry_pt "		\n" \
+	"	.type " #entry_pt ",@function	\n" \
+	"	.align 4			\n" \
+	#entry_pt":				\n" \
+	"	stwu	%r1,-16(%r1)		\n" \
+	"	mflr	%r0			\n" \
+	"	stw	%r0,12(%r1)		\n" \
+	"	/* fall thru */			\n" \
+	"	.previous")
+
+
+#define MD_SECTION_EPILOGUE(sect)		\
+	__asm (					\
+	".section "#sect",\"ax\",@progbits	\n" \
+	"	lwz	%r0,12(%r1)		\n" \
+	"	mtlr	%r0			\n" \
+	"	addi	%r1,%r1,16		\n" \
+	"	blr				\n" \
+	"	.previous")
+#endif