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boot_ufs can now used as the disk primary boot.

This commit is contained in:
minoura 2001-11-24 16:22:54 +00:00
parent a8f7d98ad9
commit 12c8367914
2 changed files with 15 additions and 5 deletions
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13
sys/arch/x68k/stand/boot_ufs/boot.S
View File

@ -2,7 +2,7 @@
| author: chapuni(webmaster@chapuni.com)
| Yasha(itohy@netbsd.org)
|
| $NetBSD: boot.S,v 1.3 2001/09/28 15:12:01 minoura Exp $
| $NetBSD: boot.S,v 1.4 2001/11/24 16:22:54 minoura Exp $
#include <machine/asm.h>
#include "iocscall.h"
@ -175,8 +175,11 @@ boot_SCSI:
|
| ROM firmware:
| pass read pos (in block #) in d2
| Human68k-style partition table does not exist
| d2 is 4 at the maximum
| SCSI IPLs (genuine and SxSI):
| pass read pos (in kilobytes) in d2
| d2 is bigger than 0x20
| partition table on the memory is destroyed
| BOOT MENU Ver.2.22:
| passes partition table entry address in a0
@ -192,12 +195,16 @@ sc1: cmpl #0x20,%d2
lsll #8,%d2 | clear MSByte
lsrl #6,%d2 |
lsrl %d5,%d2 | in sector
sc2: movel %d2,RELOC(SCSI_PARTTOP)
sc2:
| read entire boot
moveq #8192/256,%d3 | size is 8KB
lsrl %d5,%d3 | in sector
jbsr scsiread | read at %a1
cmpil #5,%d2
bcc sc3
movql #0,%d2
sc3: movel %d2,RELOC(SCSI_PARTTOP)
#else
moveq #1,%d5 | 512bytes/sec
movel %d5,%sp@-

7
sys/arch/x68k/stand/boot_ufs/bootmain.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: bootmain.c,v 1.3 2001/10/15 16:23:01 minoura Exp $ */
/* $NetBSD: bootmain.c,v 1.4 2001/11/24 16:22:54 minoura Exp $ */
/*-
* Copyright (c) 1993, 1994 Takumi Nakamura.
@ -289,7 +289,10 @@ bootufs(void)
int part, ha;
#ifdef SCSI_ADHOC_BOOTPART
part = get_scsi_part();
if (SCSI_PARTTOP == 0)
part = 0;
else
part = get_scsi_part();
#else
part = 0; /* sd?a only */
#endif