diff options
author | Joel Sing <jsing@cvs.openbsd.org> | 2011-12-28 13:53:24 +0000 |
---|---|---|
committer | Joel Sing <jsing@cvs.openbsd.org> | 2011-12-28 13:53:24 +0000 |
commit | 3d64e854ed56cf7f72f8ca243a3ddc704e569d97 (patch) | |
tree | ed5f316b5fe71e05ac065877706ff5fce88b8055 | |
parent | 4528b904e1ee4b89589458975f63011190445d71 (diff) |
The sparc64 installboot is for sparc64 only - remove all of the non-sparc64
related code.
ok kettenis@
-rw-r--r-- | sys/arch/sparc64/stand/installboot/installboot.c | 383 |
1 files changed, 29 insertions, 354 deletions
diff --git a/sys/arch/sparc64/stand/installboot/installboot.c b/sys/arch/sparc64/stand/installboot/installboot.c index 5ea0fe27042..3ec518760a3 100644 --- a/sys/arch/sparc64/stand/installboot/installboot.c +++ b/sys/arch/sparc64/stand/installboot/installboot.c @@ -1,4 +1,4 @@ -/* $OpenBSD: installboot.c,v 1.11 2011/04/10 10:06:09 miod Exp $ */ +/* $OpenBSD: installboot.c,v 1.12 2011/12/28 13:53:23 jsing Exp $ */ /* $NetBSD: installboot.c,v 1.8 2001/02/19 22:48:59 cgd Exp $ */ /*- @@ -31,119 +31,47 @@ */ #include <sys/param.h> -#include <sys/mount.h> #include <sys/time.h> #include <sys/stat.h> -#include <sys/sysctl.h> #include <sys/mman.h> -#include <sys/utsname.h> -#include <ufs/ufs/dinode.h> -#include <ufs/ufs/dir.h> #include <ufs/ffs/fs.h> #include <err.h> -#include <a.out.h> #include <fcntl.h> -#include <nlist.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> -#include "loadfile.h" - -int verbose, nowrite, sparc64, uflag, hflag = 1; +int verbose, nowrite; char *boot, *proto, *dev; -#if 0 -#ifdef __ELF__ -#define SYMNAME(a) a -#else -#define SYMNAME(a) __CONCAT("_",a) -#endif -#else -/* XXX: Hack in libc nlist works with both formats */ -#define SYMNAME(a) "_"a -#endif - -struct nlist nl[] = { -#define X_BLOCKTABLE 0 - { {SYMNAME("block_table")} }, -#define X_BLOCKCOUNT 1 - { {SYMNAME("block_count")} }, -#define X_BLOCKSIZE 2 - { {SYMNAME("block_size")} }, - { {NULL} } -}; -daddr32_t *block_table; /* block number array in prototype image */ -int32_t *block_count_p; /* size of this array */ -int32_t *block_size_p; /* filesystem block size */ -int32_t max_block_count; - -char *loadprotoblocks(char *, size_t *); -int loadblocknums(char *, int); -static void devread(int, void *, daddr32_t, size_t, char *); static void usage(void); int main(int, char *[]); static void -usage() +usage(void) { extern char *__progname; - const char *progname = __progname; - if (sparc64) - (void)fprintf(stderr, - "Usage: %s [-nv] <bootblk> <device>\n" - " %s -U [-nv] <boot> <proto> <device>\n", - progname, progname); - else - (void)fprintf(stderr, - "Usage: %s [-nv] <boot> <proto> <device>\n" - " %s -u [-n] [-v] <bootblk> <device>\n", - progname, progname); + fprintf(stderr, "Usage: %s [-nv] <bootblk> <device>\n", __progname); exit(1); } int -main(argc, argv) - int argc; - char *argv[]; +main(int argc, char *argv[]) { - int c; - int devfd; - char *protostore; - size_t protosize; - struct utsname utsname; + int c, devfd, protofd; + char *protostore; + size_t protosize; + size_t blanklen; + struct stat sb; - /* - * For UltraSPARC machines, we turn on the uflag by default. - */ - if (uname(&utsname) == -1) - err(1, "uname"); - if (strcmp(utsname.machine, "sparc64") == 0) - sparc64 = uflag = 1; - - while ((c = getopt(argc, argv, "a:nhuUv")) != -1) { + while ((c = getopt(argc, argv, "nv")) != -1) { switch (c) { - case 'a': - warnx("-a option is obsolete"); - break; - case 'h': /* Note: for backwards compatibility */ - /* Don't strip a.out header */ - warnx("-h option is obsolete"); - break; case 'n': /* Do not actually write the bootblock to disk */ nowrite = 1; break; - case 'u': - /* UltraSPARC boot block */ - uflag = 1; - break; - case 'U': - /* Force non-ultrasparc */ - uflag = 0; - break; case 'v': /* Chat */ verbose = 1; @@ -153,63 +81,34 @@ main(argc, argv) } } - if (uflag) { - if (argc - optind < 2) - usage(); - } else { - if (argc - optind < 3) - usage(); - boot = argv[optind++]; - } + if (argc - optind < 2) + usage(); proto = argv[optind++]; dev = argv[optind]; if (verbose) { - if (!uflag) - printf("boot: %s\n", boot); printf("proto: %s\n", proto); printf("device: %s\n", dev); } - /* Load proto blocks into core */ - if (uflag == 0) { - if ((protostore = loadprotoblocks(proto, &protosize)) == NULL) - exit(1); - - /* Open and check raw disk device */ - if ((devfd = open(dev, O_RDONLY, 0)) < 0) - err(1, "open: %s", dev); - - /* Extract and load block numbers */ - if (loadblocknums(boot, devfd) != 0) - exit(1); - - (void)close(devfd); - } else { - struct stat sb; - int protofd; - size_t blanklen; + if ((protofd = open(proto, O_RDONLY)) < 0) + err(1, "open: %s", proto); - if ((protofd = open(proto, O_RDONLY)) < 0) - err(1, "open: %s", proto); + if (fstat(protofd, &sb) == -1) + err(1, "fstat: %s", proto); + if (sb.st_size == 0) + errx(1, "%s is empty", proto); - if (fstat(protofd, &sb) == -1) - err(1, "fstat: %s", proto); - if (sb.st_size == 0) - errx(1, "%s is empty", proto); - - /* there must be a better way */ - blanklen = DEV_BSIZE - ((sb.st_size + DEV_BSIZE) & (DEV_BSIZE - 1)); - protosize = sb.st_size + blanklen; - if ((protostore = mmap(0, (size_t)protosize, - PROT_READ|PROT_WRITE, MAP_PRIVATE, - protofd, 0)) == MAP_FAILED) - err(1, "mmap: %s", proto); - /* and provide the rest of the block */ - if (blanklen) - memset(protostore + sb.st_size, 0, blanklen); - } + /* there must be a better way */ + blanklen = DEV_BSIZE - ((sb.st_size + DEV_BSIZE) & (DEV_BSIZE - 1)); + protosize = sb.st_size + blanklen; + if ((protostore = mmap(0, protosize, PROT_READ|PROT_WRITE, MAP_PRIVATE, + protofd, 0)) == MAP_FAILED) + err(1, "mmap: %s", proto); + /* and provide the rest of the block */ + if (blanklen) + memset(protostore + sb.st_size, 0, blanklen); if (nowrite) return 0; @@ -229,232 +128,8 @@ main(argc, argv) if (write(devfd, protostore, protosize) != protosize) err(1, "write bootstrap"); - (void)close(devfd); - return 0; -} - -char * -loadprotoblocks(fname, size) - char *fname; - size_t *size; -{ - int fd, sz; - u_long ap, bp, st, en; - u_long marks[MARK_MAX]; - - /* Locate block number array in proto file */ - if (nlist(fname, nl) != 0) { - warnx("nlist: %s: symbols not found", fname); - return NULL; - } - if (nl[X_BLOCKTABLE].n_type != N_DATA + N_EXT) { - warnx("nlist: %s: wrong type", nl[X_BLOCKTABLE].n_un.n_name); - return NULL; - } - if (nl[X_BLOCKCOUNT].n_type != N_DATA + N_EXT) { - warnx("nlist: %s: wrong type", nl[X_BLOCKCOUNT].n_un.n_name); - return NULL; - } - if (nl[X_BLOCKSIZE].n_type != N_DATA + N_EXT) { - warnx("nlist: %s: wrong type", nl[X_BLOCKSIZE].n_un.n_name); - return NULL; - } - - marks[MARK_START] = 0; - if ((fd = loadfile(fname, marks, COUNT_TEXT|COUNT_DATA)) == -1) - return NULL; - (void)close(fd); - - sz = (marks[MARK_END] - marks[MARK_START]) + (hflag ? 32 : 0); - sz = roundup(sz, DEV_BSIZE); - st = marks[MARK_START]; - en = marks[MARK_ENTRY]; - - if ((ap = (u_long)malloc(sz)) == 0) { - warn("malloc: %s", ""); - return NULL; - } - - bp = ap + (hflag ? 32 : 0); - marks[MARK_START] = bp - st; - if ((fd = loadfile(fname, marks, LOAD_TEXT|LOAD_DATA)) == -1) { - free((void *)ap); - return NULL; - } - (void)close(fd); - - block_table = (daddr32_t *) (bp + nl[X_BLOCKTABLE].n_value - st); - block_count_p = (int32_t *)(bp + nl[X_BLOCKCOUNT].n_value - st); - block_size_p = (int32_t *) (bp + nl[X_BLOCKSIZE].n_value - st); - if ((int)(u_long)block_table & 3) { - warn("%s: invalid address: block_table = %p", - fname, block_table); - free((void *)ap); - return NULL; - } - if ((int)(u_long)block_count_p & 3) { - warn("%s: invalid address: block_count_p = %p", - fname, block_count_p); - free((void *)ap); - return NULL; - } - if ((int)(u_long)block_size_p & 3) { - warn("%s: invalid address: block_size_p = %p", - fname, block_size_p); - free((void *)ap); - return NULL; - } - max_block_count = *block_count_p; - if (verbose) { - printf("%s: entry point %#lx\n", fname, en); - printf("%s: a.out header %s\n", fname, - hflag ? "left on" : "stripped off"); - printf("proto bootblock size %d\n", sz); - printf("room for %d filesystem blocks at %#lx\n", - max_block_count, nl[X_BLOCKTABLE].n_value); - } - - if (hflag) { - /* - * We convert the a.out header in-vitro into something that - * Sun PROMs understand. - * Old-style (sun4) ROMs do not expect a header at all, so - * we turn the first two words into code that gets us past - * the 32-byte header where the actual code begins. In assembly - * speak: - * .word MAGIC ! a NOP - * ba,a start ! - * .skip 24 ! pad - * start: - */ -#define SUN_MAGIC 0x01030107 -#define SUN4_BASTART 0x30800007 /* i.e.: ba,a `start' */ - *((int *)ap) = SUN_MAGIC; - *((int *)ap + 1) = SUN4_BASTART; - } - - *size = sz; - return (char *)ap; -} - -static void -devread(fd, buf, blk, size, msg) - int fd; - void *buf; - daddr32_t blk; - size_t size; - char *msg; -{ - if (lseek(fd, dbtob(blk), SEEK_SET) != dbtob(blk)) - err(1, "%s: devread: lseek", msg); - - if (read(fd, buf, size) != size) - err(1, "%s: devread: read", msg); -} - -static char sblock[SBSIZE]; - -int -loadblocknums(boot, devfd) -char *boot; -int devfd; -{ - int i, fd; - struct stat statbuf; - struct statfs statfsbuf; - struct fs *fs; - char *buf; - daddr32_t blk, *ap; - struct ufs1_dinode *ip; - int ndb; - - /* - * Open 2nd-level boot program and record the block numbers - * it occupies on the filesystem represented by `devfd'. - */ - if ((fd = open(boot, O_RDONLY)) < 0) - err(1, "open: %s", boot); - - if (fstatfs(fd, &statfsbuf) != 0) - err(1, "statfs: %s", boot); - - if (strncmp(statfsbuf.f_fstypename, "ffs", MFSNAMELEN) && - strncmp(statfsbuf.f_fstypename, "ufs", MFSNAMELEN)) { - errx(1, "%s: must be on an FFS filesystem", boot); - } - - if (fsync(fd) != 0) - err(1, "fsync: %s", boot); - - if (fstat(fd, &statbuf) != 0) - err(1, "fstat: %s", boot); - - close(fd); - - /* Read superblock */ - devread(devfd, sblock, btodb(SBOFF), SBSIZE, "superblock"); - fs = (struct fs *)sblock; - - /* Read inode */ - if ((buf = malloc(fs->fs_bsize)) == NULL) - errx(1, "No memory for filesystem block"); - - blk = fsbtodb(fs, ino_to_fsba(fs, statbuf.st_ino)); - devread(devfd, buf, blk, fs->fs_bsize, "inode"); - ip = (struct ufs1_dinode *)(buf) + ino_to_fsbo(fs, statbuf.st_ino); - - /* - * Register filesystem block size. - */ - *block_size_p = fs->fs_bsize; - - /* - * Get the block numbers; we don't handle fragments - */ - ndb = howmany(ip->di_size, fs->fs_bsize); - if (ndb > max_block_count) - errx(1, "%s: Too many blocks", boot); - - /* - * Register block count. - */ - *block_count_p = ndb; - - if (verbose) - printf("%s: block numbers: ", boot); - ap = ip->di_db; - for (i = 0; i < NDADDR && *ap && ndb; i++, ap++, ndb--) { - blk = fsbtodb(fs, *ap); - block_table[i] = blk; - if (verbose) - printf("%d ", blk); - } - if (verbose) - printf("\n"); - - if (ndb == 0) - return 0; - - /* - * Just one level of indirections; there isn't much room - * for more in the 1st-level bootblocks anyway. - */ - if (verbose) - printf("%s: block numbers (indirect): ", boot); - blk = ip->di_ib[0]; - devread(devfd, buf, blk, fs->fs_bsize, "indirect block"); - ap = (daddr32_t *)buf; - for (; i < NINDIR(fs) && *ap && ndb; i++, ap++, ndb--) { - blk = fsbtodb(fs, *ap); - block_table[i] = blk; - if (verbose) - printf("%d ", blk); - } - if (verbose) - printf("\n"); + close(devfd); - if (ndb) - errx(1, "%s: Too many blocks", boot); return 0; } |