include/asm-x86/mach-default/mach_wakecpu.h

   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 #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_MACH_WAKECPU_H */