| #ifndef __ASM_NUMAQ_WAKECPU_H |
| #define __ASM_NUMAQ_WAKECPU_H |
| |
| /* This file copes with machines that wakeup secondary CPUs by NMIs */ |
| |
| #define NUMAQ_TRAMPOLINE_PHYS_LOW (0x8) |
| #define NUMAQ_TRAMPOLINE_PHYS_HIGH (0xa) |
| |
| /* |
| * 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 numaq_smp_callin_clear_local_apic(void) |
| { |
| clear_local_APIC(); |
| } |
| |
| static inline void |
| numaq_store_NMI_vector(unsigned short *high, unsigned short *low) |
| { |
| printk("Storing NMI vector\n"); |
| *high = |
| *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_HIGH)); |
| *low = |
| *((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_LOW)); |
| } |
| |
| #endif /* __ASM_NUMAQ_WAKECPU_H */ |