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-rw-r--r--include/asm-x86/mach-default/mach_traps.h41
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
12static inline void clear_mem_error(unsigned char reason)
13{
14 reason = (reason & 0xf) | 4;
15 outb(reason, 0x61);
16}
17
18static inline unsigned char get_nmi_reason(void)
19{
20 return inb(0x61);
21}
22
23static 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 */