diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 08:22:50 +0100 |
commit | 7fbb8759eff9a348efa5f352ffaa51c364837c4b (patch) | |
tree | d40cd3f47b9f667ba94d9613270132080dcb6a1a /arch/x86/include/asm/es7000/wakecpu.h | |
parent | 6003ab0bad4cc56f3c4fadf62a0d23a967b9c53b (diff) | |
parent | 13d428afc007fcfcd6deeb215618f54cf9c0cae6 (diff) |
Merge commit 'v2.6.28-rc6' into core/debug
Diffstat (limited to 'arch/x86/include/asm/es7000/wakecpu.h')
-rw-r--r-- | arch/x86/include/asm/es7000/wakecpu.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/x86/include/asm/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h new file mode 100644 index 00000000000..39849346191 --- /dev/null +++ b/arch/x86/include/asm/es7000/wakecpu.h @@ -0,0 +1,58 @@ +#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) +{ +} + +#define inquire_remote_apic(apicid) do { \ + if (apic_verbosity >= APIC_DEBUG) \ + __inquire_remote_apic(apicid); \ + } while (0) + +#endif /* __ASM_MACH_WAKECPU_H */ |