forked from Minki/linux
c7e7964c98
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
#ifndef __ASM_ES7000_WAKECPU_H
|
|
#define __ASM_ES7000_WAKECPU_H
|
|
|
|
/*
|
|
* This file copes with machines that wakeup secondary CPUs by the
|
|
* INIT, INIT, STARTUP sequence.
|
|
*/
|
|
|
|
#ifdef CONFIG_ES7000_CLUSTERED_APIC
|
|
#define WAKE_SECONDARY_VIA_MIP
|
|
#else
|
|
#define WAKE_SECONDARY_VIA_INIT
|
|
#endif
|
|
|
|
#ifdef WAKE_SECONDARY_VIA_MIP
|
|
extern int es7000_start_cpu(int cpu, unsigned long eip);
|
|
static inline int
|
|
wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
|
|
{
|
|
int boot_error = 0;
|
|
boot_error = es7000_start_cpu(phys_apicid, start_eip);
|
|
return boot_error;
|
|
}
|
|
#endif
|
|
|
|
#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)
|
|
{
|
|
#ifdef WAKE_SECONDARY_VIA_INIT
|
|
while (!atomic_read(deassert))
|
|
cpu_relax();
|
|
#endif
|
|
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 */
|