mirror of https://gitee.com/openkylin/linux.git
43 lines
932 B
C
43 lines
932 B
C
#ifndef __ASM_MACH_WAKECPU_H
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#define __ASM_MACH_WAKECPU_H
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/*
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* This file copes with machines that wakeup secondary CPUs by the
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* INIT, INIT, STARTUP sequence.
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*/
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#define WAKE_SECONDARY_VIA_INIT
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#define TRAMPOLINE_LOW phys_to_virt(0x467)
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#define TRAMPOLINE_HIGH phys_to_virt(0x469)
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#define boot_cpu_apicid boot_cpu_physical_apicid
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static inline void wait_for_init_deassert(atomic_t *deassert)
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{
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while (!atomic_read(deassert))
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cpu_relax();
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return;
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}
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/* Nothing to do for most platforms, since cleared by the INIT cycle */
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static inline void smp_callin_clear_local_apic(void)
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{
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}
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static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
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{
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}
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static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
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{
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}
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#if APIC_DEBUG
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#define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
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#else
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#define inquire_remote_apic(apicid) {}
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#endif
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#endif /* __ASM_MACH_WAKECPU_H */
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