git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef __ASM_MACH_WAKECPU_H |
| 2 | #define __ASM_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 | #ifdef CONFIG_ES7000_CLUSTERED_APIC | |
| 10 | #define WAKE_SECONDARY_VIA_MIP | |
| 11 | #else | |
| 12 | #define WAKE_SECONDARY_VIA_INIT | |
| 13 | #endif | |
| 14 | ||
| 15 | #ifdef WAKE_SECONDARY_VIA_MIP | |
| 16 | extern int es7000_start_cpu(int cpu, unsigned long eip); | |
| 17 | static inline int | |
| 18 | wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip) | |
| 19 | { | |
| 20 | int boot_error = 0; | |
| 21 | boot_error = es7000_start_cpu(phys_apicid, start_eip); | |
| 22 | return boot_error; | |
| 23 | } | |
| 24 | #endif | |
| 25 | ||
| 26 | #define TRAMPOLINE_LOW phys_to_virt(0x467) | |
| 27 | #define TRAMPOLINE_HIGH phys_to_virt(0x469) | |
| 28 | ||
| 29 | #define boot_cpu_apicid boot_cpu_physical_apicid | |
| 30 | ||
| 31 | static inline void wait_for_init_deassert(atomic_t *deassert) | |
| 32 | { | |
| 33 | #ifdef WAKE_SECONDARY_VIA_INIT | |
| 62be9001 SS |
34 | while (!atomic_read(deassert)) |
| 35 | cpu_relax(); | |
| 1da177e4 LT |
36 | #endif |
| 37 | return; | |
| 38 | } | |
| 39 | ||
| 40 | /* Nothing to do for most platforms, since cleared by the INIT cycle */ | |
| 41 | static inline void smp_callin_clear_local_apic(void) | |
| 42 | { | |
| 43 | } | |
| 44 | ||
| 45 | static inline void store_NMI_vector(unsigned short *high, unsigned short *low) | |
| 46 | { | |
| 47 | } | |
| 48 | ||
| 49 | static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) | |
| 50 | { | |
| 51 | } | |
| 52 | ||
| 53 | #if APIC_DEBUG | |
| 54 | #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid) | |
| 55 | #else | |
| 56 | #define inquire_remote_apic(apicid) {} | |
| 57 | #endif | |
| 58 | ||
| 59 | #endif /* __ASM_MACH_WAKECPU_H */ |