From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/mach-default/mach_wakecpu.h | 42 ++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 arch/x86/include/asm/mach-default/mach_wakecpu.h (limited to 'arch/x86/include/asm/mach-default/mach_wakecpu.h') 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 0000000..361b810 --- /dev/null +++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h @@ -0,0 +1,42 @@ +#ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H +#define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H + +/* + * This file copes with machines that wakeup secondary CPUs by the + * INIT, INIT, STARTUP sequence. + */ + +#define WAKE_SECONDARY_VIA_INIT + +#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) +{ + while (!atomic_read(deassert)) + cpu_relax(); + 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_X86__MACH_DEFAULT__MACH_WAKECPU_H */ -- cgit v1.1