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  • only in /netgear-WNDR4500v2-V1.0.0.60_1.0.38/src/linux/linux-2.6/include/asm-i386/mach-default/
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 */
42