diff options
Diffstat (limited to 'arch/x86/include/asm/mach-default/mach_wakecpu.h')
-rw-r--r-- | arch/x86/include/asm/mach-default/mach_wakecpu.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h new file mode 100644 index 000000000000..361b810f5160 --- /dev/null +++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h | |||
@@ -0,0 +1,42 @@ | |||
1 | #ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H | ||
2 | #define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H | ||
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 | { | ||
18 | while (!atomic_read(deassert)) | ||
19 | cpu_relax(); | ||
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 | |||
42 | #endif /* ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H */ | ||