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Issue 6597029: [Isolates] Merge r 6300:6500 from bleeding_edge to isolates. (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: Created 9 years, 9 months ago
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1 // Copyright 2006-2009 the V8 project authors. All rights reserved. 1 // Copyright 2006-2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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50 } 50 }
51 51
52 52
53 void CPU::FlushICache(void* start, size_t size) { 53 void CPU::FlushICache(void* start, size_t size) {
54 #if defined (USE_SIMULATOR) 54 #if defined (USE_SIMULATOR)
55 // Not generating ARM instructions for C-code. This means that we are 55 // Not generating ARM instructions for C-code. This means that we are
56 // building an ARM emulator based target. We should notify the simulator 56 // building an ARM emulator based target. We should notify the simulator
57 // that the Icache was flushed. 57 // that the Icache was flushed.
58 // None of this code ends up in the snapshot so there are no issues 58 // None of this code ends up in the snapshot so there are no issues
59 // around whether or not to generate the code when building snapshots. 59 // around whether or not to generate the code when building snapshots.
60 assembler::arm::Simulator::FlushICache( 60 Simulator::FlushICache(Isolate::Current()->simulator_i_cache(), start, size);
61 Isolate::Current()->simulator_i_cache(), start, size);
62 #else 61 #else
63 // Ideally, we would call 62 // Ideally, we would call
64 // syscall(__ARM_NR_cacheflush, start, 63 // syscall(__ARM_NR_cacheflush, start,
65 // reinterpret_cast<intptr_t>(start) + size, 0); 64 // reinterpret_cast<intptr_t>(start) + size, 0);
66 // however, syscall(int, ...) is not supported on all platforms, especially 65 // however, syscall(int, ...) is not supported on all platforms, especially
67 // not when using EABI, so we call the __ARM_NR_cacheflush syscall directly. 66 // not when using EABI, so we call the __ARM_NR_cacheflush syscall directly.
68 67
69 register uint32_t beg asm("a1") = reinterpret_cast<uint32_t>(start); 68 register uint32_t beg asm("a1") = reinterpret_cast<uint32_t>(start);
70 register uint32_t end asm("a2") = 69 register uint32_t end asm("a2") =
71 reinterpret_cast<uint32_t>(start) + size; 70 reinterpret_cast<uint32_t>(start) + size;
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135 #if !defined (__arm__) || !defined(CAN_USE_ARMV5_INSTRUCTIONS) 134 #if !defined (__arm__) || !defined(CAN_USE_ARMV5_INSTRUCTIONS)
136 UNIMPLEMENTED(); // when building ARM emulator target 135 UNIMPLEMENTED(); // when building ARM emulator target
137 #else 136 #else
138 asm volatile("bkpt 0"); 137 asm volatile("bkpt 0");
139 #endif 138 #endif
140 } 139 }
141 140
142 } } // namespace v8::internal 141 } } // namespace v8::internal
143 142
144 #endif // V8_TARGET_ARCH_ARM 143 #endif // V8_TARGET_ARCH_ARM
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