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authorMichael Shalayeff <mickey@cvs.openbsd.org>1997-10-26 23:19:55 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1997-10-26 23:19:55 +0000
commit38a3f81b8ec85d8ced7c539d2d0df3dd84ad7f89 (patch)
treef5cbacccfd9eb56cdb714505fa29301584c87a08 /sys/arch
parent0d304e59e6b0cd2629b04198ce22e5c5eb35c20f (diff)
smaller, faster, better (;
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/i386/stand/libsa/diskprobe.c56
1 files changed, 26 insertions, 30 deletions
diff --git a/sys/arch/i386/stand/libsa/diskprobe.c b/sys/arch/i386/stand/libsa/diskprobe.c
index 9a833b738e1..2387a235bd8 100644
--- a/sys/arch/i386/stand/libsa/diskprobe.c
+++ b/sys/arch/i386/stand/libsa/diskprobe.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: diskprobe.c,v 1.8 1997/10/26 10:00:32 niklas Exp $ */
+/* $OpenBSD: diskprobe.c,v 1.9 1997/10/26 23:19:54 mickey Exp $ */
/*
* Copyright (c) 1997 Tobias Weingartner
@@ -54,50 +54,46 @@ u_int32_t bios_cksumlen;
void
diskprobe()
{
- u_int drive, i = 0, rv;
struct disklabel label;
- u_int unit, type;
+ register u_int i;
+ register bios_diskinfo_t *pdi;
+ u_int type;
printf("Probing disks:");
+ pdi = bios_diskinfo;
/* Floppies */
- for(drive = 0; drive < 4; drive++) {
- rv = bios_getinfo(drive, &bios_diskinfo[i]);
-
- if(rv) {
+ for(i = 0; i < 4; i++, pdi++) {
+ if(bios_getinfo(i, pdi)) {
#ifdef BIOS_DEBUG
- printf(" <!fd%u>", drive);
+ printf(" <!fd%u>", i);
#endif
break;
- }
-
- printf(" fd%u", drive);
+ } else
+ printf(" fd%u", i);
/* Fill out best we can - (fd?) */
- bios_diskinfo[i].bsd_dev = MAKEBOOTDEV(2, 0, 0, drive, 0);
- i++;
+ pdi->bsd_dev = MAKEBOOTDEV(2, 0, 0, i, RAW_PART);
}
#ifdef BIOS_DEBUG
- printf("/");
+ printf(";");
#endif
/* Hard disks */
- for(drive = 0x80; drive < 0x88; drive++) {
- rv = bios_getinfo(drive, &bios_diskinfo[i]);
+ for(i = 0; i < 8; i++, pdi++) {
- if(rv) {
+ if(bios_getinfo(i | 0x80, pdi)) {
#ifdef BIOS_DEBUG
- printf(" <!hd%u>", drive);
+ printf(" <!hd%u>", i);
#endif
break;
}
- unit = drive - 0x80;
- printf(" hd%u%s", unit, (bios_diskinfo[i].bios_edd > 0?"+":""));
+ printf(" hd%u%s", i, (pdi->bios_edd > 0?"+":""));
/* Try to find the label, to figure out device type */
- if((bios_getdisklabel(drive, &label)) ) {
+ if((bios_getdisklabel(i | 0x80, &label)) ) {
printf("*");
type = 0; /* XXX let it be IDE */
} else {
@@ -105,36 +101,36 @@ diskprobe()
switch (label.d_type) {
case DTYPE_SCSI:
type = 4;
- bios_diskinfo[i].flags |= BDI_GOODLABEL;
+ pdi->flags |= BDI_GOODLABEL;
break;
case DTYPE_ESDI:
case DTYPE_ST506:
type = 0;
- bios_diskinfo[i].flags |= BDI_GOODLABEL;
+ pdi->flags |= BDI_GOODLABEL;
break;
default:
- bios_diskinfo[i].flags |= BDI_BADLABEL;
+ pdi->flags |= BDI_BADLABEL;
type = 0; /* XXX Suggest IDE */
}
}
+ pdi->checksum = 0; /* just in case */
/* Fill out best we can */
- bios_diskinfo[i].bsd_dev = MAKEBOOTDEV(type, 0, 0, unit, 0);
- i++;
+ pdi->bsd_dev = MAKEBOOTDEV(type, 0, 0, i, RAW_PART);
}
/* End of list */
- bios_diskinfo[i].bios_number = -1;
- addbootarg(BOOTARG_DISKINFO,
- (i + 1) * sizeof(bios_diskinfo[0]), bios_diskinfo);
-
+ pdi->bios_number = -1;
/* Checksumming of hard disks */
for (i = 0; disksum(i) && i < MAX_CKSUMLEN; i++)
;
bios_cksumlen = i + 1;
addbootarg(BOOTARG_CKSUMLEN, sizeof(u_int32_t), &bios_cksumlen);
+ addbootarg(BOOTARG_DISKINFO, (pdi - bios_diskinfo + 1) *
+ sizeof(bios_diskinfo[0]), bios_diskinfo);
+
printf("\n");
}