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C/C++ Source or Header  |  2005-10-13  |  918b  |  42 lines
  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 */
  42.