diff options
| author | Per Fogelstrom <pefo@cvs.openbsd.org> | 1996-05-16 11:08:55 +0000 |
|---|---|---|
| committer | Per Fogelstrom <pefo@cvs.openbsd.org> | 1996-05-16 11:08:55 +0000 |
| commit | 049f2d3ae97ea55ced5c2a9d07b5a321b1b28c64 (patch) | |
| tree | bbe8aff542be55a8e2290bbb649c3c8127de29a8 | |
| parent | cce64b8c239c48d8a40a028c26cb08ad645d3840 (diff) | |
Introduced DOSLABEL to control Dos label handling instead of associate with i386.
| -rw-r--r-- | sbin/disklabel/Makefile | 6 | ||||
| -rw-r--r-- | sbin/disklabel/disklabel.c | 25 |
2 files changed, 21 insertions, 10 deletions
diff --git a/sbin/disklabel/Makefile b/sbin/disklabel/Makefile index bf2c52ad497..61ebef08865 100644 --- a/sbin/disklabel/Makefile +++ b/sbin/disklabel/Makefile @@ -10,7 +10,11 @@ CFLAGS+= -D${MACHINE} .endif .if (${MACHINE} == "i386") -CFLAGS+= -DNUMBOOT=2 +CFLAGS+= -DNUMBOOT=2 -DDOSLABEL +.endif + +.if (${MACHINE} == "pica") +CFLAGS+= -DDOSLABEL .endif .if (${MACHINE} == "hp300") || (${MACHINE} == "vax") diff --git a/sbin/disklabel/disklabel.c b/sbin/disklabel/disklabel.c index 8fa18e54317..56bdf71c2ba 100644 --- a/sbin/disklabel/disklabel.c +++ b/sbin/disklabel/disklabel.c @@ -1,4 +1,4 @@ -/* $OpenBSD: disklabel.c,v 1.3 1996/03/21 00:15:31 niklas Exp $ */ +/* $OpenBSD: disklabel.c,v 1.4 1996/05/16 11:08:54 pefo Exp $ */ /* $NetBSD: disklabel.c,v 1.30 1996/03/14 19:49:24 ghudson Exp $ */ /* @@ -128,8 +128,8 @@ int debug; #define OPTIONS "BNRWb:ers:w" #endif -#ifdef i386 -struct dos_partition *dosdp; /* i386 DOS partition, if found */ +#ifdef DOSLABEL +struct dos_partition *dosdp; /* DOS partition, if found */ struct dos_partition *readmbr __P((int)); #endif @@ -255,7 +255,7 @@ ok: if (f < 0) err(4, "%s", specname); -#ifdef i386 +#ifdef DOSLABEL /* * Check for presence of DOS partition table in * master boot record. Return pointer to NetBSD/i386 @@ -399,7 +399,7 @@ writelabel(f, boot, lp) lp->d_checksum = 0; lp->d_checksum = dkcksum(lp); if (rflag) { -#ifdef i386 +#ifdef DOSLABEL struct partition *pp = &lp->d_partitions[2]; /* @@ -539,7 +539,7 @@ l_perror(s) } } -#ifdef i386 +#ifdef DOSLABEL /* * Fetch DOS partition table from disk. */ @@ -547,13 +547,20 @@ struct dos_partition * readmbr(f) int f; { - static char mbr[DEV_BSIZE]; - struct dos_partition *dp = (struct dos_partition *)&mbr[DOSPARTOFF]; + static int mbr[DEV_BSIZE / sizeof(int)]; + struct dos_partition *dp; int part; + /* + * This must be done this way due to alignment restrictions + * in for example mips processors. + */ + dp = (struct dos_partition *)mbr; if (lseek(f, (off_t)DOSBBSECTOR, SEEK_SET) < 0 || read(f, mbr, sizeof(mbr)) < sizeof(mbr)) err(4, "can't read master boot record"); + + bcopy((char *)mbr+DOSPARTOFF, (char *)mbr, sizeof(*dp) * NDOSPART); /* * Don't (yet) know disk geometry (BIOS), use @@ -596,7 +603,7 @@ readlabel(f) char *msg; off_t sectoffset = 0; -#ifdef i386 +#ifdef DOSLABEL if (dosdp && dosdp->dp_size && dosdp->dp_typ == DOSPTYP_386BSD) sectoffset = dosdp->dp_start * DEV_BSIZE; #endif |