96a388de5d
Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
#ifndef __ASM_MACH_WAKECPU_H
|
|
#define __ASM_MACH_WAKECPU_H
|
|
|
|
/* This file copes with machines that wakeup secondary CPUs by NMIs */
|
|
|
|
#define WAKE_SECONDARY_VIA_NMI
|
|
|
|
#define TRAMPOLINE_LOW phys_to_virt(0x8)
|
|
#define TRAMPOLINE_HIGH phys_to_virt(0xa)
|
|
|
|
#define boot_cpu_apicid boot_cpu_logical_apicid
|
|
|
|
/* We don't do anything here because we use NMI's to boot instead */
|
|
static inline void wait_for_init_deassert(atomic_t *deassert)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Because we use NMIs rather than the INIT-STARTUP sequence to
|
|
* bootstrap the CPUs, the APIC may be in a weird state. Kick it.
|
|
*/
|
|
static inline void smp_callin_clear_local_apic(void)
|
|
{
|
|
clear_local_APIC();
|
|
}
|
|
|
|
static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
|
|
{
|
|
printk("Storing NMI vector\n");
|
|
*high = *((volatile unsigned short *) TRAMPOLINE_HIGH);
|
|
*low = *((volatile unsigned short *) TRAMPOLINE_LOW);
|
|
}
|
|
|
|
static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
|
|
{
|
|
printk("Restoring NMI vector\n");
|
|
*((volatile unsigned short *) TRAMPOLINE_HIGH) = *high;
|
|
*((volatile unsigned short *) TRAMPOLINE_LOW) = *low;
|
|
}
|
|
|
|
#define inquire_remote_apic(apicid) {}
|
|
|
|
#endif /* __ASM_MACH_WAKECPU_H */
|