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#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 */