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File: [Development] / linux-2.6-xfs / include / asm-x86 / mach-default / mach_traps.h (download)

Revision 1.2, Tue Feb 26 16:44:40 2008 UTC (9 years, 7 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +0 -2 lines 

Merge up to 2.6.25-rc3
Merge of 2.6.x-xfs-melb:linux:30555a by kenmcd.

/*
 *  Machine specific NMI handling for generic.
 *  Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
 */
#ifndef _MACH_TRAPS_H
#define _MACH_TRAPS_H

#include <asm/mc146818rtc.h>

static inline void clear_mem_error(unsigned char reason)
{
	reason = (reason & 0xf) | 4;
	outb(reason, 0x61);
}

static inline unsigned char get_nmi_reason(void)
{
	return inb(0x61);
}

static inline void reassert_nmi(void)
{
	int old_reg = -1;

	if (do_i_have_lock_cmos())
		old_reg = current_lock_cmos_reg();
	else
		lock_cmos(0); /* register doesn't matter here */
	outb(0x8f, 0x70);
	inb(0x71);		/* dummy */
	outb(0x0f, 0x70);
	inb(0x71);		/* dummy */
	if (old_reg >= 0)
		outb(old_reg, 0x70);
	else
		unlock_cmos();
}

#endif /* !_MACH_TRAPS_H */