diff options
Diffstat (limited to 'sys/arch/amd64/stand/libsa/biosprobe.c')
| -rw-r--r-- | sys/arch/amd64/stand/libsa/biosprobe.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/sys/arch/amd64/stand/libsa/biosprobe.c b/sys/arch/amd64/stand/libsa/biosprobe.c index 8e57907ffb8..f82360a0e54 100644 --- a/sys/arch/amd64/stand/libsa/biosprobe.c +++ b/sys/arch/amd64/stand/libsa/biosprobe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: biosprobe.c,v 1.1 2004/02/03 12:09:47 mickey Exp $ */ +/* $OpenBSD: biosprobe.c,v 1.2 2012/10/30 14:06:29 jsing Exp $ */ /* * Copyright (c) 2002 Tobias Weingartner @@ -38,22 +38,22 @@ void * getSYSCONFaddr(void) { - u_int32_t status; + u_int32_t status; u_int8_t *vers; - __asm __volatile(DOINT(0x15) "\n\t" - "setc %%al\n\t" - : "=a" (status) - : "0" (0xC000) - : "%ebx", "%ecx", "%edx", "%esi", "%edi", "cc"); + __asm __volatile(DOINT(0x15) "\n\t" + "setc %%al\n\t" + : "=a" (status) + : "0" (0xC000) + : "%ebx", "%ecx", "%edx", "%esi", "%edi", "cc"); /* On failure we go for a NULL */ - if(status) - return(NULL); + if (status) + return NULL; /* Calculate where the version bytes are */ vers = (void*)((BIOS_regs.biosr_es << 4) | BIOS_regs.biosr_bx); - return(vers); + return vers; } void * @@ -63,18 +63,20 @@ getEBDAaddr(void) u_int8_t *info; info = getSYSCONFaddr(); - if(!info) return(NULL); + + if (!info) + return NULL; __asm __volatile(DOINT(0x15) "\n\t" - "setc %%al" - : "=a" (status) - : "0" (0xC100) - : "%ebx", "%ecx", "%edx", "%esi", "%edi", "cc"); + "setc %%al" + : "=a" (status) + : "0" (0xC100) + : "%ebx", "%ecx", "%edx", "%esi", "%edi", "cc"); - if(status) return(NULL); + if (status) + return NULL; info = (void *)(BIOS_regs.biosr_es << 4); - return(info); + return info; } - |