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comparison src/cpu/ppc/vm/icache_ppc.cpp @ 14445:67fa91961822

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8029940: PPC64 (part 122): C2 compiler port Reviewed-by: kvn
author goetz
date Wed, 11 Dec 2013 00:06:11 +0100
parents ec28f9c041ff
children
comparison
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14444:492e67693373 14445:67fa91961822
26 #include "precompiled.hpp" 26 #include "precompiled.hpp"
27 #include "assembler_ppc.inline.hpp" 27 #include "assembler_ppc.inline.hpp"
28 #include "runtime/icache.hpp" 28 #include "runtime/icache.hpp"
29 29
30 // Use inline assembler to implement icache flush. 30 // Use inline assembler to implement icache flush.
31 int ppc64_flush_icache(address start, int lines, int magic){ 31 int ICache::ppc64_flush_icache(address start, int lines, int magic) {
32 address end = start + (unsigned int)lines*ICache::line_size; 32 address end = start + (unsigned int)lines*ICache::line_size;
33 assert(start <= end, "flush_icache parms"); 33 assert(start <= end, "flush_icache parms");
34 34
35 // store modified cache lines from data cache 35 // store modified cache lines from data cache
36 for (address a=start; a<end; a+=ICache::line_size) { 36 for (address a = start; a < end; a += ICache::line_size) {
37 __asm__ __volatile__( 37 __asm__ __volatile__(
38 "dcbst 0, %0 \n" 38 "dcbst 0, %0 \n"
39 : 39 :
40 : "r" (a) 40 : "r" (a)
41 : "memory"); 41 : "memory");
42 } 42 }
43 43
44 // sync instruction 44 // sync instruction
45 __asm__ __volatile__( 45 __asm__ __volatile__(
46 "sync \n" 46 "sync \n"
47 : 47 :
48 : 48 :
49 : "memory"); 49 : "memory");
50 50
51 // invalidate respective cache lines in instruction cache 51 // invalidate respective cache lines in instruction cache
52 for (address a=start; a<end; a+=ICache::line_size) { 52 for (address a = start; a < end; a += ICache::line_size) {
53 __asm__ __volatile__( 53 __asm__ __volatile__(
54 "icbi 0, %0 \n" 54 "icbi 0, %0 \n"
55 : 55 :
56 : "r" (a) 56 : "r" (a)
57 : "memory"); 57 : "memory");
58 } 58 }
59 59
60 // discard fetched instructions 60 // discard fetched instructions
61 __asm__ __volatile__( 61 __asm__ __volatile__(
62 "isync \n" 62 "isync \n"
63 : 63 :
64 : 64 :
65 : "memory"); 65 : "memory");
66 66
67 return magic; 67 return magic;
68 } 68 }
69 69
70 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) { 70 void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {
71 StubCodeMark mark(this, "ICache", "flush_icache_stub"); 71 StubCodeMark mark(this, "ICache", "flush_icache_stub");
72 72
73 *flush_icache_stub = (ICache::flush_icache_stub_t)ppc64_flush_icache; 73 *flush_icache_stub = (ICache::flush_icache_stub_t)ICache::ppc64_flush_icache;
74 74
75 // First call to flush itself 75 // First call to flush itself
76 ICache::invalidate_range((address)(*flush_icache_stub), 0); 76 ICache::invalidate_range((address)(*flush_icache_stub), 0);
77 } 77 }