/* * 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 */