diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-28 13:34:09 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-01-29 08:16:51 -0500 |
commit | 1164dd0099c0d79146a55319670f57ab7ad1d352 (patch) | |
tree | b6605a9f5cc12518f65551ccf31a5b6ea3377585 /arch/x86/include/asm/mach_traps.h | |
parent | 7b38725318f4517af6168ccbff99060d67aba1c8 (diff) |
x86: move mach-default/*.h files to asm/
We are getting rid of subarchitecture support - move the hook files
to asm/. (These are now stale and should be replaced with more explicit
runtime mechanisms - but the transition is simpler this way.)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/mach_traps.h')
-rw-r--r-- | arch/x86/include/asm/mach_traps.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mach_traps.h b/arch/x86/include/asm/mach_traps.h new file mode 100644 index 000000000000..f7920601e472 --- /dev/null +++ b/arch/x86/include/asm/mach_traps.h | |||
@@ -0,0 +1,33 @@ | |||
1 | /* | ||
2 | * Machine specific NMI handling for generic. | ||
3 | * Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp> | ||
4 | */ | ||
5 | #ifndef _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H | ||
6 | #define _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H | ||
7 | |||
8 | #include <asm/mc146818rtc.h> | ||
9 | |||
10 | static inline unsigned char get_nmi_reason(void) | ||
11 | { | ||
12 | return inb(0x61); | ||
13 | } | ||
14 | |||
15 | static inline void reassert_nmi(void) | ||
16 | { | ||
17 | int old_reg = -1; | ||
18 | |||
19 | if (do_i_have_lock_cmos()) | ||
20 | old_reg = current_lock_cmos_reg(); | ||
21 | else | ||
22 | lock_cmos(0); /* register doesn't matter here */ | ||
23 | outb(0x8f, 0x70); | ||
24 | inb(0x71); /* dummy */ | ||
25 | outb(0x0f, 0x70); | ||
26 | inb(0x71); /* dummy */ | ||
27 | if (old_reg >= 0) | ||
28 | outb(old_reg, 0x70); | ||
29 | else | ||
30 | unlock_cmos(); | ||
31 | } | ||
32 | |||
33 | #endif /* _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H */ | ||