| Russell King | 862184f | 2005-11-07 21:05:42 +0000 | [diff] [blame] | 1 | #ifndef ASMARM_ARCH_SMP_H |
| 2 | #define ASMARM_ARCH_SMP_H |
| 3 | |
| Russell King | 862184f | 2005-11-07 21:05:42 +0000 | [diff] [blame] | 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 |