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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1#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 cpu_relax();
20 return;
21}
22
23/* Nothing to do for most platforms, since cleared by the INIT cycle */
24static inline void smp_callin_clear_local_apic(void)
25{
26}
27
28static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
29{
30}
31
32static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
33{
34}
35
36#if APIC_DEBUG
37 #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
38#else
39 #define inquire_remote_apic(apicid) {}
40#endif
41
42#endif /* __ASM_MACH_WAKECPU_H */