| 57,8 → 57,11 |
|---|
| #define write_barrier() \ |
| asm volatile ("membar #StoreStore\n" ::: "memory") |
| |
| /** Flush Instruction Memory instruction. */ |
| static inline void flush(void) |
| #define flush(a) \ |
| asm volatile ("flush %0\n" :: "r" ((a)) : "memory") |
| |
| /** Flush Instruction pipeline. */ |
| static inline void flush_pipeline(void) |
| { |
| /* |
| * The FLUSH instruction takes address parameter. |
| 79,6 → 82,39 |
|---|
| asm volatile ("membar #Sync\n"); |
| } |
| |
| #if defined (US) |
| |
| #define smc_coherence(a) \ |
| { \ |
| write_barrier(); \ |
| flush((a)); \ |
| } |
| |
| #define FLUSH_INVAL_MIN 4 |
| #define smc_coherence_block(a, l) \ |
| { \ |
| unsigned long i; \ |
| write_barrier(); \ |
| for (i = 0; i < (l); i += FLUSH_INVAL_MIN) \ |
| flush((void *)(a) + i); \ |
| } |
| |
| #elif defined (US3) |
| |
| #define smc_coherence(a) \ |
| { \ |
| write_barrier(); \ |
| flush_pipeline(); \ |
| } |
| |
| #define smc_coherence_block(a, l) \ |
| { \ |
| write_barrier(); \ |
| flush_pipeline(); \ |
| } |
| |
| #endif /* defined(US3) */ |
| |
| #endif |
| |
| /** @} |