| #ifndef __ASM_MACH_WAKECPU_H |
| #define __ASM_MACH_WAKECPU_H |
| |
| /* This file copes with machines that wakeup secondary CPUs by NMIs */ |
| |
| #define WAKE_SECONDARY_VIA_NMI |
| |
| #define TRAMPOLINE_LOW phys_to_virt(0x8) |
| #define TRAMPOLINE_HIGH phys_to_virt(0xa) |
| |
| #define boot_cpu_apicid boot_cpu_logical_apicid |
| |
| /* We don't do anything here because we use NMI's to boot instead */ |
| static inline void wait_for_init_deassert(atomic_t *deassert) |
| { |
| } |
| |
| /* |
| * Because we use NMIs rather than the INIT-STARTUP sequence to |
| * bootstrap the CPUs, the APIC may be in a weird state. Kick it. |
| */ |
| static inline void smp_callin_clear_local_apic(void) |
| { |
| clear_local_APIC(); |
| } |
| |
| static inline void store_NMI_vector(unsigned short *high, unsigned short *low) |
| { |
| printk("Storing NMI vector\n"); |
| *high = *((volatile unsigned short *) TRAMPOLINE_HIGH); |
| *low = *((volatile unsigned short *) TRAMPOLINE_LOW); |
| } |
| |
| static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) |
| { |
| printk("Restoring NMI vector\n"); |
| *((volatile unsigned short *) TRAMPOLINE_HIGH) = *high; |
| *((volatile unsigned short *) TRAMPOLINE_LOW) = *low; |
| } |
| |
| #define inquire_remote_apic(apicid) {} |
| |
| #endif /* __ASM_MACH_WAKECPU_H */ |