x86: sanitize pathes arch/x86/kernel/cpu/Makefile
[linux-3.10.git] / include / asm-x86 / mach-numaq / mach_wakecpu.h
1 #ifndef __ASM_MACH_WAKECPU_H
2 #define __ASM_MACH_WAKECPU_H
3
4 /* This file copes with machines that wakeup secondary CPUs by NMIs */
5
6 #define WAKE_SECONDARY_VIA_NMI
7
8 #define TRAMPOLINE_LOW phys_to_virt(0x8)
9 #define TRAMPOLINE_HIGH phys_to_virt(0xa)
10
11 #define boot_cpu_apicid boot_cpu_logical_apicid
12
13 /* We don't do anything here because we use NMI's to boot instead */
14 static inline void wait_for_init_deassert(atomic_t *deassert)
15 {
16 }
17
18 /*
19  * Because we use NMIs rather than the INIT-STARTUP sequence to
20  * bootstrap the CPUs, the APIC may be in a weird state. Kick it.
21  */
22 static inline void smp_callin_clear_local_apic(void)
23 {
24         clear_local_APIC();
25 }
26
27 static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
28 {
29         printk("Storing NMI vector\n");
30         *high = *((volatile unsigned short *) TRAMPOLINE_HIGH);
31         *low = *((volatile unsigned short *) TRAMPOLINE_LOW);
32 }
33
34 static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
35 {
36         printk("Restoring NMI vector\n");
37         *((volatile unsigned short *) TRAMPOLINE_HIGH) = *high;
38         *((volatile unsigned short *) TRAMPOLINE_LOW) = *low;
39 }
40
41 #define inquire_remote_apic(apicid) {}
42
43 #endif /* __ASM_MACH_WAKECPU_H */