diff options
Diffstat (limited to 'include/asm-x86/mach-default/mach_traps.h')
-rw-r--r-- | include/asm-x86/mach-default/mach_traps.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/asm-x86/mach-default/mach_traps.h b/include/asm-x86/mach-default/mach_traps.h new file mode 100644 index 000000000000..625438b8a6eb --- /dev/null +++ b/include/asm-x86/mach-default/mach_traps.h | |||
@@ -0,0 +1,41 @@ | |||
1 | /* | ||
2 | * include/asm-i386/mach-default/mach_traps.h | ||
3 | * | ||
4 | * Machine specific NMI handling for generic. | ||
5 | * Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp> | ||
6 | */ | ||
7 | #ifndef _MACH_TRAPS_H | ||
8 | #define _MACH_TRAPS_H | ||
9 | |||
10 | #include <asm/mc146818rtc.h> | ||
11 | |||
12 | static inline void clear_mem_error(unsigned char reason) | ||
13 | { | ||
14 | reason = (reason & 0xf) | 4; | ||
15 | outb(reason, 0x61); | ||
16 | } | ||
17 | |||
18 | static inline unsigned char get_nmi_reason(void) | ||
19 | { | ||
20 | return inb(0x61); | ||
21 | } | ||
22 | |||
23 | static inline void reassert_nmi(void) | ||
24 | { | ||
25 | int old_reg = -1; | ||
26 | |||
27 | if (do_i_have_lock_cmos()) | ||
28 | old_reg = current_lock_cmos_reg(); | ||
29 | else | ||
30 | lock_cmos(0); /* register doesn't matter here */ | ||
31 | outb(0x8f, 0x70); | ||
32 | inb(0x71); /* dummy */ | ||
33 | outb(0x0f, 0x70); | ||
34 | inb(0x71); /* dummy */ | ||
35 | if (old_reg >= 0) | ||
36 | outb(old_reg, 0x70); | ||
37 | else | ||
38 | unlock_cmos(); | ||
39 | } | ||
40 | |||
41 | #endif /* !_MACH_TRAPS_H */ | ||