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#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 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(NUMAQ_TRAMPOLINE_PHYS_HIGH));
*low =
*((volatile unsigned short *)phys_to_virt(NUMAQ_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(NUMAQ_TRAMPOLINE_PHYS_HIGH)) =
*high;
*((volatile unsigned short *)phys_to_virt(NUMAQ_TRAMPOLINE_PHYS_LOW)) =
*low;
}
static inline void inquire_remote_apic(int apicid)
{
}
#endif /* __ASM_NUMAQ_WAKECPU_H */
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