release/src-rt-6.x/linux/linux-2.6/include/asm-i386/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         return;
  20 }
  21
  22 /* Nothing to do for most platforms, since cleared by the INIT cycle */
  23 static inline void smp_callin_clear_local_apic(void)
  24 {
  25 }
  26
  27 static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
  28 {
  29 }
  30
  31 static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
  32 {
  33 }
  34
  35 #if APIC_DEBUG
  36  #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
  37 #else
  38  #define inquire_remote_apic(apicid) {}
  39 #endif
  40
  41 #endif /* __ASM_MACH_WAKECPU_H */