| /* |
| * Machine specific NMI handling for generic. |
| * Split out from traps.c by Osamu Tomita <[email protected]> |
| */ |
| #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 */ |
