/*
* Read information about /boot's inode and filesystem parameters, then
* put biosboot (partition boot record) on the target drive with these
* parameters patched in.
*/
int
main(int argc, char *argv[])
{
int vol = -1, ndisks = 0, disk;
int c;
int devfd;
struct disklabel dl;
while ((c = getopt(argc, argv, "vn")) != -1) {
switch (c) {
case 'n':
/* Do not actually write the bootblock to disk. */
nowrite = 1;
break;
case 'v':
/* Give more information. */
verbose = 1;
break;
default:
usage();
}
}
if (argc - optind < 3)
usage();
boot = argv[optind];
proto = argv[optind + 1];
realdev = dev = argv[optind + 2];
/* Open raw disk device. */
if ((devfd = opendev(dev, (nowrite? O_RDONLY:O_RDWR),
OPENDEV_PART, &realdev)) < 0)
err(1, "open: %s", realdev);
if (verbose)
fprintf(stderr, "boot: %s proto: %s device: %s\n",
boot, proto, realdev);
/* Load proto blocks into core. */
if ((protostore = loadproto(proto, &protosize)) == NULL)
exit(1);
/* XXX - Paranoia: Make sure size is aligned! */
if (protosize & (DEV_BSIZE - 1))
errx(1, "proto %s bad size=%ld", proto, protosize);
if (protosize > SBSIZE - DEV_BSIZE)
errx(1, "proto bootblocks too big");
if (sr_volume(devfd, &vol, &ndisks)) {
/* Install boot loader into softraid volume. */
sr_installboot(devfd);
/* Install biosboot on each disk that is part of this volume. */
for (disk = 0; disk < ndisks; disk++)
sr_installpbr(devfd, vol, disk);
} else {
/* Get and check disklabel. */
if (ioctl(devfd, DIOCGDINFO, &dl) != 0)
err(1, "disklabel: %s", realdev);
if (dl.d_magic != DISKMAGIC)
err(1, "bad disklabel magic=0x%08x", dl.d_magic);
/* Warn on unknown disklabel types. */
if (dl.d_type == 0)
warnx("disklabel type unknown");
/* Get bootstrap parameters to patch into proto. */
if (getbootparams(boot, devfd, &dl) != 0)
exit(1);
/* Write boot blocks to device. */
write_bootblocks(devfd, &dl);
}
(void)close(devfd);
return 0;
}
int
main(int argc, char *argv[])
{
char *blkfile, *realdev;
int vol = -1, ndisks = 0, disk;
int c, devfd, blkfd;
struct stat sb;
while ((c = getopt(argc, argv, "nv")) != -1) {
switch (c) {
case 'n':
/* Do not actually write the bootblock to disk. */
nowrite = 1;
break;
case 'v':
/* Chat */
verbose = 1;
break;
default:
usage();
}
}
if (argc - optind < 2)
usage();
blkfile = argv[optind++];
dev = argv[optind];
if (verbose)
printf("bootblk: %s\n", blkfile);
if ((blkfd = open(blkfile, O_RDONLY)) < 0)
err(1, "open: %s", blkfile);
if (fstat(blkfd, &sb) == -1)
err(1, "fstat: %s", blkfile);
if (sb.st_size == 0)
errx(1, "%s is empty", blkfile);
blksize = howmany(sb.st_size, DEV_BSIZE) * DEV_BSIZE;
if (blksize > SBSIZE - DEV_BSIZE)
errx(1, "boot blocks too big");
if ((blkstore = malloc(blksize)) == NULL)
err(1, "malloc: %s", blkfile);
bzero(blkstore, blksize);
if (read(blkfd, blkstore, sb.st_size) != sb.st_size)
err(1, "read: %s", blkfile);
if ((devfd = opendev(dev, (nowrite ? O_RDONLY : O_RDWR),
OPENDEV_PART, &realdev)) < 0)
err(1, "open: %s", realdev);
if (verbose)
printf("device: %s\n", realdev);
if (sr_volume(devfd, &vol, &ndisks)) {
/* Install boot loader in softraid volume. */
sr_installboot(devfd);
/* Install bootblk on each disk that is part of this volume. */
for (disk = 0; disk < ndisks; disk++)
sr_install_bootblk(devfd, vol, disk);
} else {
/* Write boot blocks to device. */
write_bootblk(devfd);
}
close(devfd);
}
