[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / mach-default / mach_wakecpu.h

#ifndef _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
#define _ASM_X86_MACH_DEFAULT__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_X86_MACH_DEFAULT__MACH_WAKECPU_H */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
1965aae3 PA	2	#define _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
1da177e4 LT	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
	16	static inline void wait_for_init_deassert(atomic_t *deassert)
	17	{
62be9001 SS	18	while (!atomic_read(deassert))
62be9001 SS	19	cpu_relax();
1da177e4 LT	20	return;
	21	}
	22
	23	/* Nothing to do for most platforms, since cleared by the INIT cycle */
	24	static inline void smp_callin_clear_local_apic(void)
	25	{
	26	}
	27
	28	static inline void store_NMI_vector(unsigned short high, unsigned short low)
	29	{
	30	}
	31
	32	static 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
1965aae3	42	#endif /* _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H */