Tue, 28 Mar 2017 06:08:41 -0400
[C2] Add patchable_jump for MIPS.
1 /*
2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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14 * accompanied this code).
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24 */
26 #include "precompiled.hpp"
27 #include "asm/macroAssembler.hpp"
28 #include "runtime/icache.hpp"
29 #include <asm/cachectl.h>
30 #include <sys/cachectl.h>
31 #include <sys/sysmips.h>
33 #ifdef _LP64
34 #define CACHE_OPT 1
35 #endif
37 //no need, we just call cacheflush system call to flush cache
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.
40 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {};
42 void ICache::call_flush_stub(address start, int lines) {
43 cacheflush(start, lines * line_size , ICACHE);
44 }
46 void ICache::invalidate_word(address addr) {
47 cacheflush(addr,4, ICACHE);
48 }
50 void ICache::invalidate_range(address start, int nbytes) {
51 cacheflush(start, nbytes, ICACHE);
52 }
54 void ICache::invalidate_all() {
55 sysmips(3, 0, 0, 0);
56 }