mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 03:13:59 +00:00
1164dd0099
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>
34 lines
694 B
C
34 lines
694 B
C
/*
|
|
* Machine specific NMI handling for generic.
|
|
* Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
|
|
*/
|
|
#ifndef _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
|
|
#define _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
|
|
|
|
#include <asm/mc146818rtc.h>
|
|
|
|
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 /* _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H */
|