diff options
| author |   weingart <weingart@openbsd.org> | 1997-10-24 01:38:50 +0000 |
|---|---|---|
| committer | weingart <weingart@openbsd.org> | 1997-10-24 01:38:50 +0000 |
| commit | 8ac8618cc785aead779a8cb19836e6fb623d0c0a (patch) | |
| tree | 10e60ad097a6bd63fdeb7f6693b8739e23aa0430 | |
| parent | Use int not char in two places. Noted by Dale. (diff) | |
| download | wireguard-openbsd-8ac8618cc785aead779a8cb19836e6fb623d0c0a.tar.xz wireguard-openbsd-8ac8618cc785aead779a8cb19836e6fb623d0c0a.zip | |
Fix hang on disk probe.
| -rw-r--r-- | sys/arch/i386/stand/libsa/biosdev.c | 11 | ||||
| -rw-r--r-- | sys/arch/i386/stand/libsa/diskprobe.c | 10 |
2 files changed, 12 insertions, 9 deletions
diff --git a/sys/arch/i386/stand/libsa/biosdev.c b/sys/arch/i386/stand/libsa/biosdev.c index cb97b38ca7c..f7dd1d6e043 100644 --- a/sys/arch/i386/stand/libsa/biosdev.c +++ b/sys/arch/i386/stand/libsa/biosdev.c @@ -1,4 +1,4 @@ -/* $OpenBSD: biosdev.c,v 1.40 1997/10/23 15:13:26 weingart Exp $ */ +/* $OpenBSD: biosdev.c,v 1.41 1997/10/24 01:38:50 weingart Exp $ */ /* * Copyright (c) 1996 Michael Shalayeff @@ -87,7 +87,7 @@ bios_getinfo(dev, pdi) pdi->bios_cylinders++; if (rv & 0xff) - return (rv & 0xff) >> 8; + return(1); /* EDD support check */ __asm __volatile(DOINT(0x13) "; setc %b0" @@ -105,7 +105,12 @@ bios_getinfo(dev, pdi) __asm __volatile (DOINT(0x13) "; setc %b0" : "=a" (rv) : "0" (0x1500), "d" (dev) : "%ecx", "cc"); - return rv & 0xffff; + if(!(rv & 0xff00)) + return(1); + if(rv & 0x00ff) + return(1); + + return(0); } /* diff --git a/sys/arch/i386/stand/libsa/diskprobe.c b/sys/arch/i386/stand/libsa/diskprobe.c index 16e8ee6b029..080871da11a 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 1.4 1997/10/23 15:13:29 weingart Exp $ */ +/* $OpenBSD: diskprobe.c,v 1.5 1997/10/24 01:38:51 weingart Exp $ */ /* * Copyright (c) 1997 Tobias Weingartner @@ -62,8 +62,7 @@ diskprobe() for(drive = 0; drive < 4; drive++) { rv = bios_getinfo(drive, &bios_diskinfo[i]); - if( (rv & 0x00FF)) break; - if(!(rv & 0xFF00)) break; + if(rv) break; printf(" fd%u", drive); @@ -76,8 +75,7 @@ diskprobe() for(drive = 0x80; drive < 0x88; drive++) { rv = bios_getinfo(drive, &bios_diskinfo[i]); - if( (rv & 0x00FF)) continue; - if(!(rv & 0xFF00)) continue; + if(rv) break; unit = drive - 0x80; printf(" hd%u%s", unit, (bios_diskinfo[i].bios_edd > 0?"+":"")); @@ -168,7 +166,7 @@ disksum(bdi) sum = adler32(sum, buf, DEV_BSIZE); - /* Do a minimum of 8 sectors (floppy is slow...) */ + /* Do a minimum of 8 sectors */ if((len >= 8) && ((bd = find_sum(sum)) == NULL)) break; } |