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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_MACH_WAKECPU_H
2#define __ASM_MACH_WAKECPU_H
3
4/*
5 * This file copes with machines that wakeup secondary CPUs by the
6 * INIT, INIT, STARTUP sequence.
7 */
8
9#define WAKE_SECONDARY_VIA_INIT
10
11#define TRAMPOLINE_LOW phys_to_virt(0x467)
12#define TRAMPOLINE_HIGH phys_to_virt(0x469)
13
14#define boot_cpu_apicid boot_cpu_physical_apicid
15
16static inline void wait_for_init_deassert(atomic_t *deassert)
17{
18 while (!atomic_read(deassert));
19 return;
20}
21
22/* Nothing to do for most platforms, since cleared by the INIT cycle */
23static inline void smp_callin_clear_local_apic(void)
24{
25}
26
27static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
28{
29}
30
31static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
32{
33}
34
35#if APIC_DEBUG
36 #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
37#else
38 #define inquire_remote_apic(apicid) {}
39#endif
40
41#endif /* __ASM_MACH_WAKECPU_H */