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[src/netbsd-1-5]: src/sys/arch/prep/stand Pull up (approved by thorpej)
details: https://anonhg.NetBSD.org/src/rev/bc50f6e4a64c
branches: netbsd-1-5
changeset: 489487:bc50f6e4a64c
user: nonaka <nonaka%NetBSD.org@localhost>
date: Wed Sep 20 13:58:05 2000 +0000
description:
Pull up (approved by thorpej)
- Added installboot program.
diffstat:
sys/arch/prep/stand/Makefile | 4 +-
sys/arch/prep/stand/installboot/Makefile | 7 +
sys/arch/prep/stand/installboot/installboot.c | 329 ++++++++++++++++++++++++++
3 files changed, 338 insertions(+), 2 deletions(-)
diffs (truncated from 355 to 300 lines):
diff -r a777707417db -r bc50f6e4a64c sys/arch/prep/stand/Makefile
--- a/sys/arch/prep/stand/Makefile Tue Sep 19 21:02:55 2000 +0000
+++ b/sys/arch/prep/stand/Makefile Wed Sep 20 13:58:05 2000 +0000
@@ -1,5 +1,5 @@
-# $NetBSD: Makefile,v 1.1 2000/02/29 15:21:52 nonaka Exp $
+# $NetBSD: Makefile,v 1.1.4.1 2000/09/20 13:58:05 nonaka Exp $
-SUBDIR= common boot_com0 boot mkbootimage
+SUBDIR= common boot_com0 boot mkbootimage installboot
.include <bsd.subdir.mk>
diff -r a777707417db -r bc50f6e4a64c sys/arch/prep/stand/installboot/Makefile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/prep/stand/installboot/Makefile Wed Sep 20 13:58:05 2000 +0000
@@ -0,0 +1,7 @@
+# $NetBSD: Makefile,v 1.1.2.2 2000/09/20 13:58:05 nonaka Exp $
+
+PROG= installboot
+CPPFLAGS= -Werror -Wall -Wstrict-prototypes -Wmissing-prototypes
+MKMAN= no
+
+.include <bsd.prog.mk>
diff -r a777707417db -r bc50f6e4a64c sys/arch/prep/stand/installboot/installboot.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/prep/stand/installboot/installboot.c Wed Sep 20 13:58:05 2000 +0000
@@ -0,0 +1,329 @@
+/* $NetBSD: installboot.c,v 1.1.2.2 2000/09/20 13:58:05 nonaka Exp $ */
+
+/*
+ * Copyright (c) 2000 NONAKA Kimihiro (nonaka%netbsd.org@localhost).
+ * 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. 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>
+#include <sys/exec_elf.h>
+#include <sys/disklabel_mbr.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <err.h>
+
+#define MBR_PTYPE_PREP 0x41
+
+int nowrite, verbose;
+char *boot, *dev;
+
+void usage(void);
+int devread(int, void *, daddr_t, size_t, char *);
+char *load_boot(char *, size_t *);
+int load_prep_partition(int, struct mbr_partition *);
+int main(int, char **);
+
+void
+usage()
+{
+ extern char *__progname;
+
+ fprintf(stderr, "usage: %s [-n] [-v] <boot> <device>\n", __progname);
+ exit(1);
+}
+
+int
+devread(int fd, void *buf, daddr_t blk, size_t size, char *msg)
+{
+
+ if (lseek(fd, (off_t)dbtob(blk), SEEK_SET) != dbtob(blk)) {
+ warn("%s: devread: lseek", msg);
+ return 1;
+ }
+ if (read(fd, buf, size) != size) {
+ warn("%s: devread: read", msg);
+ return 1;
+ }
+ return 0;
+}
+
+char *
+load_boot(char *boot, size_t *bootsize)
+{
+ Elf32_Ehdr eh;
+ Elf32_Phdr ph;
+ struct stat st;
+ int fd;
+ int i;
+ size_t imgsz = 0;
+ char *bp = NULL;
+
+ if ((fd = open(boot, O_RDONLY)) < 0) {
+ warn("open: %s", boot);
+ return NULL;
+ }
+
+ if (fstat(fd, &st) != 0) {
+ warn("fstat: %s", boot);
+ goto out;
+ }
+
+ /*
+ * First, check ELF.
+ */
+ if (read(fd, &eh, sizeof(eh)) != sizeof(eh)) {
+ warn("read: eh: %s", boot);
+ goto out;
+ }
+ if (memcmp(eh.e_ident, ELFMAG, SELFMAG) != 0 ||
+ eh.e_ident[EI_CLASS] != ELFCLASS32) {
+ lseek(fd, 0L, SEEK_SET);
+ goto notelf;
+ }
+ if (be16toh(eh.e_machine) != EM_PPC) {
+ warn("not PowerPC binary.");
+ goto out;
+ }
+
+ for (i = 0; i < be16toh(eh.e_phnum); i++) {
+ (void)lseek(fd, be32toh(eh.e_phoff) + sizeof(ph) * i, SEEK_SET);
+ if (read(fd, &ph, sizeof(ph)) != sizeof(ph)) {
+ warn("read: ph: %s", boot);
+ goto out;
+ }
+
+ if ((be32toh(ph.p_type) != PT_LOAD) ||
+ !(be32toh(ph.p_flags) & PF_X))
+ continue;
+
+ imgsz = st.st_size - be32toh(ph.p_offset);
+ lseek(fd, be32toh(ph.p_offset), SEEK_SET);
+ break;
+ }
+
+notelf:
+ /*
+ * Second, check PReP bootable image.
+ */
+ if (imgsz == 0) {
+ char buf[DEV_BSIZE];
+
+ printf("Bootable image: ");
+ if (load_prep_partition(fd, 0)) {
+ warn("no PReP bootable image.");
+ goto out;
+ }
+
+ if (lseek(fd, (off_t)dbtob(1), SEEK_SET) != dbtob(1)) {
+ warn("bootable image lseek sector 1");
+ goto out;
+ }
+ if (read(fd, buf, DEV_BSIZE) != DEV_BSIZE) {
+ warn("read: start/size");
+ goto out;
+ }
+
+ imgsz = le32toh(*(u_int32_t *)(buf + sizeof(u_int32_t)))
+ - dbtob(2);
+ lseek(fd, le32toh(*(u_int32_t *)buf), SEEK_SET);
+ }
+
+ if ((bp = (char *)calloc(roundup(imgsz, DEV_BSIZE), 1)) == NULL) {
+ warn("calloc: no memory for boot image.");
+ goto out;
+ }
+
+ if (read(fd, bp, imgsz) != imgsz) {
+ warn("read: boot image: %s", boot);
+ goto out;
+ }
+
+ if (verbose) {
+ printf("image size = %d\n", imgsz);
+ }
+
+ *bootsize = roundup(imgsz, DEV_BSIZE);
+
+ close(fd);
+ return bp;
+
+out:
+ if (bp != NULL)
+ free(bp);
+ if (fd >= 0)
+ close(fd);
+ return NULL;
+}
+
+int
+load_prep_partition(int devfd, struct mbr_partition *ppp)
+{
+ char mbr[512];
+ struct mbr_partition *mbrp;
+ int i;
+
+ if (devread(devfd, mbr, MBR_BBSECTOR, DEV_BSIZE, "MBR") != 0)
+ return 1;
+ if (*(u_int16_t *)&mbr[MBR_MAGICOFF] != htole16(MBR_MAGIC)) {
+ warn("no MBR_MAGIC");
+ return 1;
+ }
+
+ mbrp = (struct mbr_partition *)&mbr[MBR_PARTOFF];
+ for (i = 0; i < NMBRPART; i++) {
+ if (mbrp[i].mbrp_typ == MBR_PTYPE_PREP)
+ break;
+ }
+ if (i == NMBRPART) {
+ warn("no PReP partition.");
+ return 1;
+ }
+
+ if (verbose) {
+ printf("PReP partition: start = %d, size = %d\n",
+ le32toh(mbrp[i].mbrp_start), le32toh(mbrp[i].mbrp_size));
+ }
+
+ if (ppp) {
+ *ppp = mbrp[i];
+ ppp->mbrp_start = le32toh(ppp->mbrp_start);
+ ppp->mbrp_size = le32toh(ppp->mbrp_size);
+ }
+
+ return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ struct mbr_partition ppp;
+ size_t bootsize;
+ int c;
+ int boot00[512/sizeof(int)];
+ int devfd = -1;
+ char *bp;
+
+ while ((c = getopt(argc, argv, "vn")) != EOF) {
+ switch (c) {
+ case 'n':
+ nowrite = 1;
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ if (argc - optind < 2)
+ usage();
+
+ boot = argv[optind];
+ dev = argv[optind + 1];
+ if (verbose) {
+ printf("boot: %s\n", boot);
+ printf("dev: %s\n", dev);
+ }
+
+ if ((bp = load_boot(boot, &bootsize)) == NULL)
+ return 1;
+
+ if ((devfd = open(dev, O_RDONLY, 0)) < 0) {
+ warn("open: %s", dev);
+ goto out;
+ }
+
+ if (load_prep_partition(devfd, &ppp)) {
+ warn("load_prep_partition");
+ goto out;
+ }
+
+ if (bootsize + dbtob(2) > dbtob(ppp.mbrp_size)) {
+ warn("boot image is too big.");
+ goto out;
+ }
+
+ close(devfd);
+
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