diff options
| author | Michael Shalayeff <mickey@cvs.openbsd.org> | 1997-11-01 16:35:20 +0000 |
|---|---|---|
| committer | Michael Shalayeff <mickey@cvs.openbsd.org> | 1997-11-01 16:35:20 +0000 |
| commit | 9fa394be9cfcc936b7a55a7a033da1113a4fedde (patch) | |
| tree | b3d003ce43b9c54bf0a523464b79b03d886b9228 /sys/arch | |
| parent | 5b0f0e32cab2f35e1d7aa289728616adc5338791 (diff) | |
don't try function #21 for floppies
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/i386/stand/libsa/biosdev.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/sys/arch/i386/stand/libsa/biosdev.c b/sys/arch/i386/stand/libsa/biosdev.c index 25c335a870b..70b1a79f905 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 1.46 1997/10/28 23:33:49 deraadt Exp $ */ +/* $OpenBSD: biosdev.c,v 1.47 1997/11/01 16:35:19 mickey Exp $ */ /* * Copyright (c) 1996 Michael Shalayeff @@ -114,7 +114,7 @@ bios_getinfo(dev, pdi) pdi->bios_edd = bm & 0xffff; else pdi->bios_edd = -1; - }else + } else pdi->bios_edd = -1; #else pdi->bios_edd = -1; @@ -123,13 +123,16 @@ bios_getinfo(dev, pdi) /* * NOTE: This seems to hang on certain machines. Use function #8 * first, and verify with #21 IFF #8 succeeds first. + * don't try this for floppies. */ - __asm __volatile (DOINT(0x13) "; setc %b0" - : "=a" (rv) : "0" (0x1500), "d" (dev) : "%ecx", "cc"); - if(!(rv & 0xff00)) - return(1); - if(rv & 0xff) - return(1); + if (dev & 0x80) { + __asm __volatile (DOINT(0x13) "; setc %b0" + : "=a" (rv) : "0" (0x1500), "d" (dev) : "%ecx", "cc"); + if(!(rv & 0xff00)) + return(1); + if(rv & 0xff) + return(1); + } return(0); } |