diff options
Diffstat (limited to 'arch/x86/include/asm/mach_traps.h')
| -rw-r--r-- | arch/x86/include/asm/mach_traps.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h index f7920601e47..a01e7ec7d23 100644 --- a/arch/x86/include/asm/mach_traps.h +++ b/arch/x86/include/asm/mach_traps.h @@ -7,9 +7,19 @@ #include <asm/mc146818rtc.h> -static inline unsigned char get_nmi_reason(void) +#define NMI_REASON_PORT 0x61 + +#define NMI_REASON_SERR 0x80 +#define NMI_REASON_IOCHK 0x40 +#define NMI_REASON_MASK (NMI_REASON_SERR | NMI_REASON_IOCHK) + +#define NMI_REASON_CLEAR_SERR 0x04 +#define NMI_REASON_CLEAR_IOCHK 0x08 +#define NMI_REASON_CLEAR_MASK 0x0f + +static inline unsigned char default_get_nmi_reason(void) { - return inb(0x61); + return inb(NMI_REASON_PORT); } static inline void reassert_nmi(void) |