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[src/trunk]: src/sys/arch/vax/stand Add an installboot(8) for vax. This is n...
details: https://anonhg.NetBSD.org/src/rev/0f1bbff753f8
branches: trunk
changeset: 488039:0f1bbff753f8
user: matt <matt%NetBSD.org@localhost>
date: Sat Jun 17 00:59:24 2000 +0000
description:
Add an installboot(8) for vax. This is needed so the VAX can do multiboot
CDroms.
diffstat:
sys/arch/vax/stand/Makefile.inc | 11 +
sys/arch/vax/stand/installboot/Makefile | 6 +
sys/arch/vax/stand/installboot/installboot.c | 310 +++++++++++++++++++++++++
sys/arch/vax/stand/installboot/installboot.h | 3 +
sys/arch/vax/stand/installboot/loadbootstrap.c | 144 +++++++++++
5 files changed, 474 insertions(+), 0 deletions(-)
diffs (truncated from 494 to 300 lines):
diff -r 9ad3c476b543 -r 0f1bbff753f8 sys/arch/vax/stand/Makefile.inc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/vax/stand/Makefile.inc Sat Jun 17 00:59:24 2000 +0000
@@ -0,0 +1,11 @@
+# $NetBSD: Makefile.inc,v 1.1 2000/06/17 00:59:24 matt Exp $
+
+.include <bsd.own.mk>
+
+BINDIR?= /usr/mdec
+WARNS?= 1
+
+MKMAN= no
+
+CPPFLAGS+= -I${.CURDIR}/../..
+LDSTATIC?= -static
diff -r 9ad3c476b543 -r 0f1bbff753f8 sys/arch/vax/stand/installboot/Makefile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/vax/stand/installboot/Makefile Sat Jun 17 00:59:24 2000 +0000
@@ -0,0 +1,6 @@
+# $NetBSD: Makefile,v 1.1 2000/06/17 00:59:24 matt Exp $
+
+PROG= installboot
+SRCS= installboot.c loadbootstrap.c
+
+.include <bsd.prog.mk>
diff -r 9ad3c476b543 -r 0f1bbff753f8 sys/arch/vax/stand/installboot/installboot.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/vax/stand/installboot/installboot.c Sat Jun 17 00:59:24 2000 +0000
@@ -0,0 +1,310 @@
+/* $NetBSD: installboot.c,v 1.1 2000/06/17 00:59:24 matt Exp $ */
+
+/*
+ * Copyright (c) 1999 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 Ross Harvey
+ * for the NetBSD Project.
+ * 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.
+ */
+
+/*
+ * Copyright (c) 1999 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
+ * for the NetBSD Project.
+ * 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 <sys/param.h> /* XXX for roundup, howmany */
+#include <sys/stat.h>
+#include <sys/disklabel.h>
+#include <isofs/cd9660/iso.h>
+#include <assert.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <dev/dec/dec_boot.h>
+
+#include "installboot.h"
+
+static void usage(void);
+static void clr_bootstrap(const char *disk);
+static void set_bootstrap(const char *disk, const char *bootstrap);
+
+extern char *__progname;
+
+int verbose, nowrite, append, isoblock;
+struct stat disksb;
+
+static void
+usage()
+{
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr, "\t%s [-nv] [-i block | -a] disk bootstrap\n", __progname);
+ fprintf(stderr, "\t%s [-nv] -c disk\n", __progname);
+ exit(EXIT_FAILURE);
+}
+
+int
+main(int argc, char **argv)
+{
+ const char *disk, *bootstrap;
+ int c, clearflag;
+
+ clearflag = verbose = nowrite = append = isoblock = 0;
+
+ while ((c = getopt(argc, argv, "aci:nv")) != -1) {
+ switch (c) {
+ case 'a':
+ /* Append to disk (image) */
+ append = 1;
+ break;
+ case 'c':
+ /* Clear any existing boot block */
+ clearflag = 1;
+ break;
+ case 'i':
+ /* Load bootstrap at iso block number */
+ if ((isoblock = atoi(optarg)) <= 0)
+ errx(1, "%s: bad iso block number", optarg);
+ break;
+ case 'n':
+ /* Do not actually write the boot file */
+ nowrite = 1;
+ break;
+ case 'v':
+ /* Chat */
+ verbose = 1;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if ((clearflag && argc != 1) || (!clearflag && argc != 2))
+ usage();
+ if (append && isoblock)
+ usage();
+
+ disk = argv[0];
+ bootstrap = argv[1]; /* NULL if argc == 1 */
+
+ if (verbose) {
+ fprintf(stderr, "disk: %s\n", disk);
+ fprintf(stderr, "bootstrap: %s\n",
+ bootstrap != NULL ? bootstrap : "to be cleared");
+ }
+ if (sizeof (struct vax_boot_block) != VAX_BOOT_BLOCK_BLOCKSIZE)
+ errx(EXIT_FAILURE,
+ "boot_block structure badly sized (build error)");
+
+ if (append) {
+ /* Only append to a regular file */
+ if (stat(disk, &disksb) == -1)
+ err(EXIT_FAILURE, "stat %s", disk);
+ if (!S_ISREG(disksb.st_mode))
+ errx(EXIT_FAILURE, "%s must be a regular file to append to", bootstrap);
+ }
+
+ if (clearflag)
+ clr_bootstrap(disk);
+ else
+ set_bootstrap(disk, bootstrap);
+
+ exit(EXIT_SUCCESS);
+}
+
+static void
+clr_bootstrap(const char *disk)
+{
+ struct vax_boot_block bb;
+ ssize_t rv;
+ int diskfd;
+
+ if ((diskfd = open(disk, nowrite ? O_RDONLY : O_RDWR)) == -1)
+ err(EXIT_FAILURE, "open %s", disk);
+
+ rv = pread(diskfd, &bb, sizeof bb, VAX_BOOT_BLOCK_OFFSET);
+ if (rv == -1)
+ err(EXIT_FAILURE, "read %s", disk);
+ else if (rv != sizeof bb)
+ errx(EXIT_FAILURE, "read %s: short read", disk);
+
+ if (bb.bb_id_offset * 2 != offsetof(struct vax_boot_block, bb_magic1)
+ || bb.bb_magic1 != VAX_BOOT_MAGIC1) {
+ fprintf(stderr, "old boot block magic number invalid\n");
+ fprintf(stderr, "boot block invalid\n");
+ goto done;
+ }
+
+ bb.bb_id_offset = 1;
+ bb.bb_mbone = 0;
+ bb.bb_lbn_hi = 0;
+ bb.bb_lbn_low = 0;
+
+ if (nowrite) {
+ if (verbose)
+ fprintf(stderr, "not writing\n");
+ goto done;
+ }
+
+ if (verbose)
+ fprintf(stderr, "writing\n");
+
+ rv = pwrite(diskfd, &bb, sizeof bb, VAX_BOOT_BLOCK_OFFSET);
+ if (rv == -1)
+ err(EXIT_FAILURE, "write %s", disk);
+ else if (rv != sizeof bb)
+ errx(EXIT_FAILURE, "write %s: short write", disk);
+
+done:
+ (void)close(diskfd);
+}
+
+static void
+set_bootstrap(const char *disk, const char *bootstrap)
+{
+ struct stat bootstrapsb;
+ struct vax_boot_block bb;
+ int diskfd, startblock;
+ char *bootstrapbuf;
+ size_t bootstrapsize;
+ u_int32_t bootstrapload, bootstrapexec;
+ ssize_t rv;
+
+ /* Open the input file and check it out */
+ if (stat(bootstrap, &bootstrapsb) == -1)
+ err(EXIT_FAILURE, "stat %s", bootstrap);
+ if (!S_ISREG(bootstrapsb.st_mode))
+ errx(EXIT_FAILURE, "%s must be a regular file", bootstrap);
+ load_bootstrap(bootstrap, &bootstrapbuf, &bootstrapload, &bootstrapexec,
+ &bootstrapsize);
+
+ if ((diskfd = open(disk, nowrite ? O_RDONLY : O_RDWR)) == -1)
+ err(EXIT_FAILURE, "open %s", disk);
+
+ rv = pread(diskfd, &bb, sizeof bb, VAX_BOOT_BLOCK_OFFSET);
+ if (rv == -1)
+ err(EXIT_FAILURE, "read %s", disk);
+ else if (rv != sizeof bb)
+ errx(EXIT_FAILURE, "read %s: short read", disk);
+
+ /* fill in the updated boot block fields */
+ if (append) {
+ startblock = howmany(disksb.st_size, VAX_BOOT_BLOCK_BLOCKSIZE);
+ } else if (isoblock) {
+ startblock = isoblock * (ISO_DEFAULT_BLOCK_SIZE / VAX_BOOT_BLOCK_BLOCKSIZE);
+ } else {
+ startblock = VAX_BOOT_BLOCK_OFFSET / VAX_BOOT_BLOCK_BLOCKSIZE + 1;
+ }
+
+ bb.bb_id_offset = offsetof(struct vax_boot_block, bb_magic1) / 2;
+ bb.bb_mbone = 1;
+ bb.bb_lbn_hi = htole16((u_int16_t) (startblock >> 16));
+ bb.bb_lbn_low = htole16((u_int16_t) (startblock >> 0));
+ /*
+ * Now the identification block
+ */
+ bb.bb_magic1 = VAX_BOOT_MAGIC1;
+ bb.bb_mbz1 = 0;
+ bb.bb_sum1 = ~(bb.bb_magic1 + bb.bb_mbz1 + bb.bb_pad1);
+
+ bb.bb_mbz2 = 0;
+ bb.bb_volinfo = VAX_BOOT_VOLINFO_NONE;
+ bb.bb_pad2a = 0;
+ bb.bb_pad2b = 0;
+
+ bb.bb_size = htole32(bootstrapsize / VAX_BOOT_BLOCK_BLOCKSIZE);
+ bb.bb_load = htole32(VAX_BOOT_LOAD);
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