acrn-kernel/include/asm-x86/mach-default/mach_wakecpu.h

43 lines
932 B
C

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