Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/mips/vm/icache_mips.cpp
src/cpu/mips/vm/icache_mips.cpp
- changeset 390
- d3aefa77da6c
- parent 386
- f50649f9eda6
- child 6880
- 52ea28d233d2
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| 389:76857a2c3534 | 390:d3aefa77da6c |
|---|---|
| 38 //update @jerome , 12/05/2006 | 38 //update @jerome , 12/05/2006 |
| 39 //flush cache is a very frequent operation, flush all the cache decrease the performance sharply, so i modify it. | 39 //flush cache is a very frequent operation, flush all the cache decrease the performance sharply, so i modify it. |
| 40 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {}; | 40 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {}; |
| 41 | 41 |
| 42 void ICache::call_flush_stub(address start, int lines) { | 42 void ICache::call_flush_stub(address start, int lines) { |
| 43 cacheflush(start, lines * line_size , ICACHE); | 43 //in fact, the current os implementation simply flush all ICACHE&DCACHE |
| 44 #ifndef CACHE_OPT | |
| 45 /* Loongson3A supports automatic synchronization between Icache and Dcache. | |
| 46 * No manual synchronization is needed. */ | |
| 47 cacheflush(start, lines * line_size , ICACHE); | |
| 48 #endif | |
| 49 // sysmips(3, 0, 0, 0); | |
| 44 } | 50 } |
| 45 | 51 |
| 46 void ICache::invalidate_word(address addr) { | 52 void ICache::invalidate_word(address addr) { |
| 47 cacheflush(addr,4, ICACHE); | 53 //cacheflush(addr, 4, ICACHE); |
| 54 | |
| 55 #ifndef CACHE_OPT | |
| 56 cacheflush(addr,4, ICACHE); | |
| 57 #endif | |
| 58 // sysmips(3, 0, 0, 0); | |
| 48 } | 59 } |
| 49 | 60 |
| 50 void ICache::invalidate_range(address start, int nbytes) { | 61 void ICache::invalidate_range(address start, int nbytes) { |
| 51 cacheflush(start, nbytes, ICACHE); | 62 #ifndef CACHE_OPT |
| 63 cacheflush(start, nbytes, ICACHE); | |
| 64 #endif | |
| 65 // sysmips(3, 0, 0, 0); | |
| 52 } | 66 } |
| 53 | 67 |
| 54 void ICache::invalidate_all() { | 68 void ICache::invalidate_all() { |
| 55 sysmips(3, 0, 0, 0); | 69 #ifndef CACHE_OPT |
| 70 sysmips(3, 0, 0, 0); | |
| 71 #endif | |
| 56 } | 72 } |
| 57 | 73 |
