#ifndef __ASM_NUMAQ_WAKECPU_H #define __ASM_NUMAQ_WAKECPU_H /* This file copes with machines that wakeup secondary CPUs by NMIs */ #define TRAMPOLINE_PHYS_LOW (0x8) #define TRAMPOLINE_PHYS_HIGH (0xa) /* 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 *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)); *low = *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)); } static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) { printk("Restoring NMI vector\n"); *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_HIGH)) = *high; *((volatile unsigned short *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = *low; } static inline void inquire_remote_apic(int apicid) { } #endif /* __ASM_NUMAQ_WAKECPU_H */