Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| 34 | while (!atomic_read(deassert)); |
| 35 | #endif |
| 36 | return; |
| 37 | } |
| 38 | |
| 39 | /* Nothing to do for most platforms, since cleared by the INIT cycle */ |
| 40 | static inline void smp_callin_clear_local_apic(void) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | static inline void store_NMI_vector(unsigned short *high, unsigned short *low) |
| 45 | { |
| 46 | } |
| 47 | |
| 48 | static inline void restore_NMI_vector(unsigned short *high, unsigned short *low) |
| 49 | { |
| 50 | } |
| 51 | |
| 52 | #if APIC_DEBUG |
| 53 | #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid) |
| 54 | #else |
| 55 | #define inquire_remote_apic(apicid) {} |
| 56 | #endif |
| 57 | |
| 58 | #endif /* __ASM_MACH_WAKECPU_H */ |