diff options
Diffstat (limited to 'sys/arch/i386/stand/libsa/bioscons.c')
| -rw-r--r-- | sys/arch/i386/stand/libsa/bioscons.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/sys/arch/i386/stand/libsa/bioscons.c b/sys/arch/i386/stand/libsa/bioscons.c index a365453bc74..68ba53d37d1 100644 --- a/sys/arch/i386/stand/libsa/bioscons.c +++ b/sys/arch/i386/stand/libsa/bioscons.c @@ -1,4 +1,4 @@ -/* $OpenBSD: bioscons.c,v 1.1 1997/08/12 21:39:01 mickey Exp $ */ +/* $OpenBSD: bioscons.c,v 1.2 1997/08/12 23:34:21 mickey Exp $ */ /* * Copyright (c) 1997 Michael Shalayeff @@ -66,19 +66,18 @@ kbd_getc(dev) dev_t dev; { u_int8_t rv; - __asm volatile("movb $1, %%ah\n\t" - DOINT(0x16) "\n\t" - "setz %%al" - : "=a" (rv) :: "%ecx", "%edx", "cc" ); - if (rv) - return 0; - if (minor(dev) & 0x80) - return 1; + if (dev & 0x80) { + __asm volatile("movb $1, %%ah\n\t" + DOINT(0x16) "\n\t" + "setnz %%al" + : "=a" (rv) :: "%ecx", "%edx", "cc" ); + return rv; + } - __asm volatile("xorl %%eax, %%eax\n\t" - DOINT(0x16) "\n\t" - : "=a" (rv) :: "%ecx", "edx", "cc" ); + __asm __volatile("xorl %%eax, %%eax\n\t" + DOINT(0x16) + : "=a" (rv) :: "%ecx", "edx", "cc" ); return rv; } @@ -87,10 +86,9 @@ kbd_putc(dev, c) dev_t dev; int c; { - __asm volatile("movb $0x0e, %%ah\n\t" - "movl $0, %%ebx\n\t" + __asm __volatile("movb $0x0e, %%ah\n\t" DOINT(0x10) - :: "a" (c) : "%ecx", "%edx", "cc" ); + :: "a" (c), "b" (0) : "%ecx", "%edx", "cc" ); } void @@ -98,7 +96,7 @@ com_probe(cn) struct consdev *cn; { register int i, n; - __asm volatile(DOINT(0x11) "\n\t" /* get equipment (9-11 # of coms) */ + __asm __volatile(DOINT(0x11) "\n\t" /* get equipment (9-11 # of coms) */ : "=a" (n) :: "%ecx", "%edx", "cc"); n >>= 9; n &= 7; |