Import of WGRISC port. (Willowglen R3081 board)

10 files changed, 883 insertions, 0 deletions

diff --git a/sys/arch/wgrisc/stand/Makefile b/sys/arch/wgrisc/stand/Makefile
new file mode 100644
index 00000000000..a7dd6383200
--- /dev/null
+++ b/sys/arch/wgrisc/stand/Makefile
@@ -0,0 +1,96 @@
+#	$NetBSD: Makefile,v 1.5 1995/01/18 06:53:36 mellon Exp $
+#	@(#)Makefile	8.3 (Berkeley) 2/16/94
+
+DESTDIR=
+STAND=	../../stand
+#VPATH=	${STAND}
+
+# RELOC=80200000 allows for boot prog up to 1D0000 (1900544) bytes long
+RELOC=	80200000
+
+S=      ../../..
+
+DEFS= -DSTANDALONE -DDEBUG
+CFLAGS=	-O2 ${INCPATH} ${DEFS}
+AFLAGS=	-O2 ${INCPATH} ${DEFS} -DLOCORE
+
+.PATH: ${S}/arch/${MACHINE_ARCH}/${MACHINE_ARCH}
+.PATH: ${S}/stand ${S}/lib/libsa
+
+#INCPATH=-I. -I/sys
+INCPATH=-I${.CURDIR} -I${.CURDIR}/../.. -I${S} -I${S}/lib/libsa
+
+### find out what to use for libkern
+.include "$S/lib/libkern/Makefile.inc"
+LIBKERN= ${KERNLIB}
+#KERNLIB= ${.CURDIR}/../compile/libkern.a
+
+.include "$S/lib/libsa/Makefile.inc"
+LIBSA=  ${SA_LIB}
+
+# not yet: need to write libsa/Makefile.inc first
+LIBS=  ${.OBJDIR}/libdrive.a ${.CURDIR}/libsa/libsa.a  ${KERNLIB}
+#LIBS=	libdrive.a libsa/libsa.a ../../libkern/obj/libkern.a 
+
+DRIVERS= rz.c
+SRCS=	${DRIVERS}
+#STUFF=	callvec.c devopen.c getenv.c gets.c strcmp.c
+STUFF=
+
+ALL=	boot
+
+.s.o:
+	${CPP} -E ${CFLAGS:M-[ID]*} ${AINC} ${.IMPSRC} | \
+	    ${AS} -o ${.TARGET}
+
+all: ${ALL}
+
+boot: ${LIBS}
+
+#libsa/libsa.a::
+#	cd libsa; make
+
+${.OBJDIR}/libdrive.a: conf.o ${DRIVERS:.c=.o}
+	ar crv $@ $?
+	ranlib $@
+
+# depend on DEFS
+
+#before other deps on bootconf.o
+bootconf.o: conf.o
+	rm -f bootconf.c
+	ln -s ${.CURDIR}/conf.c bootconf.c
+	${CC} -c ${CFLAGS} -DBOOT bootconf.c
+	rm -f bootconf.c
+
+
+# bootable from real disks
+
+boot:	start.o boot.o bootconf.o filesystem.o ${LIBS}
+	/usr/gnu/ld -N -Ttext ${RELOC} -e __start start.o boot.o bootconf.o filesystem.o ${LIBS} -o boot.elf
+	elf2ecoff boot.elf boot
+
+start.o: ${.CURDIR}/start.S
+
+#	${CPP} -E ${CFLAGS:M-[ID]*} -DLOCORE ${AINC} ${.IMPSRC} | \
+#	    ${AS} -o ${.TARGET}
+
+mkboot: ${.CURDIR}/mkboot.c
+	${CC} ${CFLAGS} -o mkboot ${.CURDIR}/mkboot.c
+
+# utilities
+
+clean::
+	rm -f .depend *.o *.exe *.i errs make.out core*
+	rm -f a.out ${ALL}
+	rm -f libdrive.a
+	cd libsa; make cleandir
+
+install:
+
+depend: ${SRCS}
+	mkdep ${INCPATH} ${DEFS} ${SRCS}
+	cd libsa; make depend
+
+.include <bsd.dep.mk>
+.include <bsd.obj.mk>
diff --git a/sys/arch/wgrisc/stand/boot.c b/sys/arch/wgrisc/stand/boot.c
new file mode 100644
index 00000000000..170f6f923de
--- /dev/null
+++ b/sys/arch/wgrisc/stand/boot.c
@@ -0,0 +1,114 @@
+/*	$NetBSD: boot.c,v 1.6 1995/06/28 10:22:32 jonathan Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)boot.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <sys/param.h>
+#include <sys/exec.h>
+#include <stand.h>
+
+
+char	line[1024];
+
+/*
+ * This gets arguments from the PROM, calls other routines to open
+ * and load the program to boot, and then transfers execution to that
+ * new program.
+ * Argv[0] should be something like "rz(0,0,0)vmunix" on a DECstation 3100.
+ * Argv[0,1] should be something like "boot 5/rz0/vmunix" on a DECstation 5000.
+ * The argument "-a" means vmunix should do an automatic reboot.
+ */
+int
+main(argc, argv)
+	int argc;
+	char **argv;
+{
+	char *cp;
+	int   ask, entry;
+	int   i;
+
+	ask = 1;
+
+	for(i = 0; i < argc; i++)
+		printf("Arg %d:%s\n",i,argv[i]);
+
+	do {
+		printf("Boot: ");
+		if (ask) {
+			gets(line);
+			cp = line;
+			argv[0] = cp;
+			argc = 1;
+		} else
+			printf("%s\n", cp);
+	} while(ask && line[0] == '\0');
+
+	entry = loadfile(cp);
+	if (entry == -1) {
+		gets(line);
+		return 0;
+	}
+
+	printf("Starting at 0x%x\n\n", entry);
+	((void (*)())entry)(argc, argv, 0, 0);
+}
+
+/*
+ * Open 'filename', read in program and return the entry point or -1 if error.
+ */
+loadfile(fname)
+	register char *fname;
+{
+	struct devices *dp;
+	int fd, i, n;
+	struct exec aout;
+
+	if ((fd = open(fname, 0)) < 0) {
+		printf("open(%s) failed: %d\n", fname, errno);
+		goto err;
+	}
+
+	/* read the exec header */
+	i = read(fd, (char *)&aout, sizeof(aout));
+
+cerr:
+	(void) close(fd);
+err:
+	printf("Can't boot '%s'\n", fname);
+	return (-1);
+}
diff --git a/sys/arch/wgrisc/stand/conf.c b/sys/arch/wgrisc/stand/conf.c
new file mode 100644
index 00000000000..cecbc70b64c
--- /dev/null
+++ b/sys/arch/wgrisc/stand/conf.c
@@ -0,0 +1,70 @@
+/*	$NetBSD: conf.c,v 1.5 1995/01/18 06:53:39 mellon Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)conf.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <stand.h>
+
+int	errno;
+
+extern void	nullsys();
+extern int	nodev(), noioctl();
+
+int	rzstrategy(), rzopen();
+#ifdef SMALL
+#define rzclose 0
+#else	/*!SMALL*/
+int	 rzclose();
+#endif	/*!SMALL*/
+
+#define	rzioctl		noioctl
+
+#ifndef BOOT
+int	tzstrategy(), tzopen(), tzclose();
+#endif
+#define	tzioctl		noioctl
+
+
+struct devsw devsw[] = {
+	{ "rz",	rzstrategy,	rzopen,	rzclose,	rzioctl }, /*0*/
+#ifndef BOOT
+	{ "tz",	tzstrategy,	tzopen,	tzclose,	tzioctl }, /*1*/
+#endif
+};
+
+int	ndevs = (sizeof(devsw)/sizeof(devsw[0]));
diff --git a/sys/arch/wgrisc/stand/filesystem.c b/sys/arch/wgrisc/stand/filesystem.c
new file mode 100644
index 00000000000..514e6e809bf
--- /dev/null
+++ b/sys/arch/wgrisc/stand/filesystem.c
@@ -0,0 +1,44 @@
+/*	$NetBSD: filesystem.c,v 1.2 1995/02/16 02:33:05 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1993 Philip A. Nelson.
+ * 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 Philip A. Nelson.
+ * 4. The name of Philip A. Nelson may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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.
+ *
+ *	filesystem.c
+ */
+
+#include <lib/libsa/stand.h>
+#include <lib/libsa/ufs.h>
+ 
+struct fs_ops file_system[] = {
+	{ ufs_open, ufs_close, ufs_read, ufs_write, ufs_seek, ufs_stat },
+};
+ 
+int nfsys = sizeof(file_system)/sizeof(struct fs_ops);
+
diff --git a/sys/arch/wgrisc/stand/libsa/Makefile b/sys/arch/wgrisc/stand/libsa/Makefile
new file mode 100644
index 00000000000..d147171311d
--- /dev/null
+++ b/sys/arch/wgrisc/stand/libsa/Makefile
@@ -0,0 +1,14 @@
+#	$NetBSD: Makefile,v 1.5 1995/01/18 06:53:51 mellon Exp $
+#	@(#)Makefile	8.2 (Berkeley) 2/16/94
+
+LIB=	sa
+SRCS=	alloc.c bcopy.c bzero.c close.c dev.c disklabel.c getfile.c \
+	getputchar.c ioctl.c lseek.c open.c printf.c read.c ufs.c write.c \
+	devopen.c getenv.c gets.c strcat.c strcmp.c strcpy.c strlen.c
+
+.PATH:	../../../../lib/libsa ../../../../lib/libkern
+NOPROFILE=noprofile
+
+.include <bsd.lib.mk>
+
+CFLAGS=-O2 -I../../include -I/sys -DSMALL
diff --git a/sys/arch/wgrisc/stand/libsa/devopen.c b/sys/arch/wgrisc/stand/libsa/devopen.c
new file mode 100644
index 00000000000..79b35f8f595
--- /dev/null
+++ b/sys/arch/wgrisc/stand/libsa/devopen.c
@@ -0,0 +1,128 @@
+/*	$NetBSD: devopen.c,v 1.5 1995/01/18 06:53:54 mellon Exp $	*/
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)devopen.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <lib/libsa/stand.h>
+
+/*
+ * Decode the string 'fname', open the device and return the remaining
+ * file name if any.
+ */
+devopen(f, fname, file)
+	struct open_file *f;
+	const char *fname;
+	char **file;	/* out */
+{
+	register char *cp;
+	register char *ncp;
+	register struct devsw *dp;
+	register int c, i;
+	int ctlr = 0, unit = 0, part = 0;
+	char namebuf[20];
+	int rc;
+
+	cp = fname;
+	ncp = namebuf;
+
+		/* expect a string like 'rz(0,0,0)vmunix' */
+		while ((c = *cp) != '\0') {
+			if (c == '(') {
+				cp++;
+				break;
+			}
+			if (ncp < namebuf + sizeof(namebuf) - 1)
+				*ncp++ = c;
+			cp++;
+		}
+
+		/* get controller number */
+		if ((c = *cp) >= '0' && c <= '9') {
+			ctlr = c - '0';
+			c = *++cp;
+		}
+
+		if (c == ',') {
+			/* get SCSI device number */
+			if ((c = *++cp) >= '0' && c <= '9') {
+				unit = c - '0';
+				c = *++cp;
+			}
+
+			if (c == ',') {
+				/* get partition number */
+				if ((c = *++cp) >= '0' && c <= '9') {
+					part = c - '0';
+					c = *++cp;
+				}
+			}
+		}
+		if (c != ')')
+			return (ENXIO);
+		cp++;
+	*ncp = '\0';
+
+#ifdef SMALL
+	if (strcmp (namebuf, "rz")) {
+		printf ("Unknown device: %s\n", namebuf);
+		return ENXIO;
+	}
+	dp = devsw;
+	i = 0;
+#else
+	for (dp = devsw, i = 0; i < ndevs; dp++, i++)
+		if (dp->dv_name && strcmp(namebuf, dp->dv_name) == 0)
+			goto fnd;
+	printf("Unknown device '%s'\nKnown devices are:", namebuf);
+	for (dp = devsw, i = 0; i < ndevs; dp++, i++)
+		if (dp->dv_name)
+			printf(" %s", dp->dv_name);
+	printf("\n");
+	return (ENXIO);
+
+fnd:
+#endif
+	rc = (dp->dv_open)(f, ctlr, unit, part);
+	if (rc)
+		return (rc);
+
+	f->f_dev = dp;
+	if (file && *cp != '\0')
+		*file = cp;
+	return (0);
+}
diff --git a/sys/arch/wgrisc/stand/libsa/getenv.c b/sys/arch/wgrisc/stand/libsa/getenv.c
new file mode 100644
index 00000000000..7e063cd4ad5
--- /dev/null
+++ b/sys/arch/wgrisc/stand/libsa/getenv.c
@@ -0,0 +1,45 @@
+/*	$NetBSD: getenv.c,v 1.5 1995/01/18 06:53:55 mellon Exp $	*/
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)getenv.c	8.1 (Berkeley) 6/10/93
+ */
+
+char *
+getenv(s)
+	char *s;
+{
+}
diff --git a/sys/arch/wgrisc/stand/libsa/getputchar.c b/sys/arch/wgrisc/stand/libsa/getputchar.c
new file mode 100644
index 00000000000..dbfae22d4d6
--- /dev/null
+++ b/sys/arch/wgrisc/stand/libsa/getputchar.c
@@ -0,0 +1,69 @@
+/*	$NetBSD: getenv.c,v 1.5 1995/01/18 06:53:55 mellon Exp $	*/
+
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)getenv.c	8.1 (Berkeley) 6/10/93
+ */
+
+getchar()
+{
+	char buf[4];
+	int  cnt;
+
+	if(Bios_Read(0, &buf, 1, &cnt) != 0)
+		return(-1);
+	return(buf[0] & 255);
+}
+
+putchar(c)
+char c;
+{
+	char buf[4];
+	int  cnt;
+
+	if(c == '\n') {
+		buf[0] = '\r';
+		buf[1] = c;
+		cnt = 2;
+	}
+	else {
+		buf[0] = c;
+		cnt = 1;
+	}
+	if(Bios_Write(1, &buf, cnt, &cnt) != 0)
+		return(-1);
+	return(0);
+}
diff --git a/sys/arch/wgrisc/stand/rz.c b/sys/arch/wgrisc/stand/rz.c
new file mode 100644
index 00000000000..1094aef4705
--- /dev/null
+++ b/sys/arch/wgrisc/stand/rz.c
@@ -0,0 +1,174 @@
+/*	$NetBSD: rz.c,v 1.6 1995/06/28 10:22:35 jonathan Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Van Jacobson of Lawrence Berkeley Laboratory and Ralph Campbell.
+ *
+ * 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.
+ *
+ *	@(#)rz.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <stdarg.h>
+
+#include <stand.h>
+#include <sys/param.h>
+#include <sys/disklabel.h>
+
+struct	rz_softc {
+	int	sc_fd;			/* PROM file id */
+	int	sc_ctlr;		/* controller number */
+	int	sc_unit;		/* disk unit number */
+	int	sc_part;		/* disk partition number */
+	struct	disklabel sc_label;	/* disk label for this disk */
+};
+
+int
+rzstrategy(devdata, rw, bn, reqcnt, addr, cnt)
+	void *devdata;
+	int rw;
+	daddr_t bn;
+	u_int reqcnt;
+	char *addr;
+	u_int *cnt;	/* out: number of bytes transfered */
+{
+	register struct rz_softc *sc = (struct rz_softc *)devdata;
+	register int part = sc->sc_part;
+	register struct partition *pp = &sc->sc_label.d_partitions[part];
+	register int s;
+	long offset;
+
+	offset = bn * DEV_BSIZE;
+
+#ifdef DEBUG
+/*XXX*/printf("rz:%x %d\n", offset, reqcnt);
+#endif
+
+	/*
+	 * Partial-block transfers not handled.
+	 */
+	if (reqcnt & (DEV_BSIZE - 1)) {
+		*cnt = 0;
+		return (EINVAL);
+	}
+
+	offset += pp->p_offset * DEV_BSIZE;
+
+	if (Bios_Seek(sc->sc_fd, &offset, 0) != 0)
+		return (EIO);
+	s = Bios_Read(sc->sc_fd, addr, reqcnt, &reqcnt);
+	if (s != 0)
+		return (EIO);
+
+	*cnt = reqcnt;
+	return (0);
+}
+
+int
+rzopen(struct open_file *f, ...)
+{
+	int ctlr, unit, part;
+
+	struct rz_softc *sc;
+	struct disklabel *lp;
+	int i, fd;
+	char *msg;
+	char buf[DEV_BSIZE];
+	int cnt;
+	static char device[] = "scsi()disk(0)rdisk()";
+	va_list ap;
+
+	va_start(ap, f);
+
+	ctlr = va_arg(ap, int);
+	unit = va_arg(ap, int);
+	part = va_arg(ap, int);
+	if (unit >= 8 || part >= 8)
+		return (ENXIO);
+#if 0
+	device[5] = '0' + unit;
+#endif
+	/* NOTE: only support reads for now */
+
+	i = Bios_Open(device, 0, &fd);
+	if (i != 0) {
+		printf("boot init failed error code %d\n", i);
+		return (ENXIO);
+	}
+
+	sc = alloc(sizeof(struct rz_softc));
+	bzero(sc, sizeof(struct rz_softc));
+	f->f_devdata = (void *)sc;
+
+	sc->sc_fd = fd;
+	sc->sc_ctlr = ctlr;
+	sc->sc_unit = unit;
+	sc->sc_part = part;
+
+	/* try to read disk label and partition table information */
+	lp = &sc->sc_label;
+	lp->d_secsize = DEV_BSIZE;
+	lp->d_secpercyl = 1;
+	lp->d_npartitions = MAXPARTITIONS;
+	lp->d_partitions[part].p_offset = 0;
+	lp->d_partitions[part].p_size = 0x7fffffff;
+	i = rzstrategy(sc, F_READ, (daddr_t)LABELSECTOR, DEV_BSIZE, buf, &cnt);
+	if (i || cnt != DEV_BSIZE) {
+		printf("rz%d: error reading disk label\n", unit);
+		goto bad;
+	} else {
+		msg = getdisklabel(buf, lp);
+		if (msg) {
+			printf("rz%d: %s\n", unit, msg);
+			goto bad;
+		}
+	}
+
+	if (part >= lp->d_npartitions || lp->d_partitions[part].p_size == 0) {
+	bad:
+#ifndef SMALL
+		free(sc, sizeof(struct rz_softc));
+#endif
+		return (ENXIO);
+	}
+	return (0);
+}
+
+#ifndef SMALL
+rzclose(f)
+	struct open_file *f;
+{
+	free(f->f_devdata, sizeof(struct rz_softc));
+	f->f_devdata = (void *)0;
+	return (0);
+}
+#endif
diff --git a/sys/arch/wgrisc/stand/start.S b/sys/arch/wgrisc/stand/start.S
new file mode 100644
index 00000000000..09114a91b7e
--- /dev/null
+++ b/sys/arch/wgrisc/stand/start.S
@@ -0,0 +1,129 @@
+/*	$NetBSD: start.S,v 1.1 1995/01/18 06:19:01 mellon Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ *
+ */
+
+/*
+ * start.S -
+ *
+ *     Contains code that is the first executed at boot time.
+ */
+
+#include <machine/regdef.h>
+#include <machine/cpu.h>
+#include <machine/asm.h>
+
+/*
+ * Frame required for the debugger (if we have any)
+ */
+#define START_FRAME	((4 * 4) + 4 + 4)
+
+	.globl	__start
+__start:
+	.set	noreorder
+#ifdef __GP_SUPPORT__
+	la      gp, _C_LABEL (_gp)
+#endif
+	la	sp, __start - START_FRAME		# Stack below program
+	sw	zero, START_FRAME - 4(sp)	# Zero out old ra for debugger
+	sw	zero, START_FRAME - 8(sp)	# Zero out old fp for debugger
+	move	s0, a0				# save argc
+	move	s1, a1				# save argv
+
+	la	a0, _C_LABEL (edata)			# clear BSS
+	la	a1, _C_LABEL (end)
+	jal	_C_LABEL(bzero)			# bzero(edata, end - edata)
+	subu	a1, a1, a0
+
+	move	a0, s0				# restore argc
+	jal	_C_LABEL(main)			# main(argc, argv)
+	move	a1, s1				# restore argv
+
+	j	_C_LABEL(Bios_Restart)		# restart...
+	nop
+
+/* dummy routine for gcc2 */
+	.globl	_C_LABEL(__main)
+_C_LABEL(__main):
+	j	ra
+	nop
+
+#define Bios_Call(Name,Offset)	\
+LEAF(Name);			\
+	lw	v0,0x80001020;	\
+	lw	v0,Offset(v0);	\
+	jr	v0	;	\
+	nop		;	\
+	END(Name)
+
+Bios_Call(Bios_Load,			0x00)
+Bios_Call(Bios_Invoke,			0x04)
+Bios_Call(Bios_Execute,			0x08)
+Bios_Call(Bios_Halt,			0x0c)
+Bios_Call(Bios_PowerDown,		0x10)
+Bios_Call(Bios_Restart,			0x14)
+Bios_Call(Bios_Reboot,			0x18)
+Bios_Call(Bios_EnterInteractiveMode,	0x1c)
+Bios_Call(Bios_Unused1,			0x20)
+Bios_Call(Bios_GetPeer,			0x24)
+Bios_Call(Bios_GetChild,		0x28)
+Bios_Call(Bios_GetParent,		0x2c)
+Bios_Call(Bios_GetConfigurationData,	0x30)
+Bios_Call(Bios_AddChild,		0x34)
+Bios_Call(Bios_DeleteComponent,		0x38)
+Bios_Call(Bios_GetComponent,		0x3c)
+Bios_Call(Bios_SaveConfiguration,	0x40)
+Bios_Call(Bios_GetSystemId,		0x44)
+Bios_Call(Bios_GetMemoryDescriptor,	0x48)
+Bios_Call(Bios_Unused2,			0x4c)
+Bios_Call(Bios_GetTime,			0x50)
+Bios_Call(Bios_GetRelativeTime,		0x54)
+Bios_Call(Bios_GetDirectoryEntry,	0x58)
+Bios_Call(Bios_Open,			0x5c)
+Bios_Call(Bios_Close,			0x60)
+Bios_Call(Bios_Read,			0x64)
+Bios_Call(Bios_GetReadStatus,		0x68)
+Bios_Call(Bios_Write,			0x6c)
+Bios_Call(Bios_Seek,			0x70)
+Bios_Call(Bios_Mount,			0x74)
+Bios_Call(Bios_GetEnvironmentVariable,	0x78)
+Bios_Call(Bios_SetEnvironmentVariable,	0x7c)
+Bios_Call(Bios_GetFileInformation,	0x80)
+Bios_Call(Bios_SetFileInformation,	0x84)
+Bios_Call(Bios_FlushAllCaches,		0x88)
+Bios_Call(Bios_TestUnicodeCharacter,	0x8c)
+Bios_Call(Bios_GetDisplayStatus,	0x90)