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C/C++ Source or Header  |  2008-12-24  |  476 b   |  31 lines
  1. #ifndef ASMARM_ARCH_SMP_H
  2. #define ASMARM_ARCH_SMP_H
  3.  
  4.  
  5. #include <asm/hardware/gic.h>
  6.  
  7. #define hard_smp_processor_id()            \
  8.     ({                        \
  9.         unsigned int cpunum;            \
  10.         __asm__("mrc p15, 0, %0, c0, c0, 5"    \
  11.             : "=r" (cpunum));        \
  12.         cpunum &= 0x0F;                \
  13.     })
  14.  
  15. /*
  16.  * We use IRQ1 as the IPI
  17.  */
  18. static inline void smp_cross_call(cpumask_t callmap)
  19. {
  20.     gic_raise_softirq(callmap, 1);
  21. }
  22.  
  23. /*
  24.  * Do nothing on MPcore.
  25.  */
  26. static inline void smp_cross_call_done(cpumask_t callmap)
  27. {
  28. }
  29.  
  30. #endif
  31.