/* two abstractions specific to kernel/smpboot.c, mainly to cater to visws * which needs to alter them. */ static inline void smpboot_setup_warm_reset_vector(unsigned long start_eip) { CMOS_WRITE(0xa, 0xf); local_flush_tlb(); Dprintk("1.\n"); *((volatile unsigned short *) TRAMPOLINE_HIGH) = start_eip >> 4; Dprintk("2.\n"); *((volatile unsigned short *) TRAMPOLINE_LOW) = start_eip & 0xf; Dprintk("3.\n"); } static inline void smpboot_restore_warm_reset_vector(void) { /* * Install writable page 0 entry to set BIOS data area. */ local_flush_tlb(); /* * Paranoid: Set warm reset code and vector here back * to default values. */ CMOS_WRITE(0, 0xf); *((volatile long *) phys_to_virt(0x467)) = 0; }