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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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29 #ifdef __arm__ | 29 #ifdef __arm__ |
30 #include <sys/syscall.h> // for cache flushing. | 30 #include <sys/syscall.h> // for cache flushing. |
31 #endif | 31 #endif |
32 | 32 |
33 #include "v8.h" | 33 #include "v8.h" |
34 | 34 |
35 #if defined(V8_TARGET_ARCH_ARM) | 35 #if defined(V8_TARGET_ARCH_ARM) |
36 | 36 |
37 #include "cpu.h" | 37 #include "cpu.h" |
38 #include "macro-assembler.h" | 38 #include "macro-assembler.h" |
39 | 39 #include "simulator.h" // for cache flushing. |
40 #ifndef __arm__ | |
41 #include "simulator-arm.h" // for cache flushing. | |
42 #endif | |
43 | 40 |
44 namespace v8 { | 41 namespace v8 { |
45 namespace internal { | 42 namespace internal { |
46 | 43 |
47 void CPU::Setup() { | 44 void CPU::Setup() { |
48 CpuFeatures::Probe(); | 45 CpuFeatures::Probe(); |
49 } | 46 } |
50 | 47 |
51 | 48 |
52 void CPU::FlushICache(void* start, size_t size) { | 49 void CPU::FlushICache(void* start, size_t size) { |
53 #if !defined (__arm__) | 50 #if defined (USE_SIMULATOR) |
54 // Not generating ARM instructions for C-code. This means that we are | 51 // Not generating ARM instructions for C-code. This means that we are |
55 // building an ARM emulator based target. We should notify the simulator | 52 // building an ARM emulator based target. We should notify the simulator |
56 // that the Icache was flushed. | 53 // that the Icache was flushed. |
57 // None of this code ends up in the snapshot so there are no issues | 54 // None of this code ends up in the snapshot so there are no issues |
58 // around whether or not to generate the code when building snapshots. | 55 // around whether or not to generate the code when building snapshots. |
59 assembler::arm::Simulator::FlushICache(start, size); | 56 assembler::arm::Simulator::FlushICache(start, size); |
60 #else | 57 #else |
61 // Ideally, we would call | 58 // Ideally, we would call |
62 // syscall(__ARM_NR_cacheflush, start, | 59 // syscall(__ARM_NR_cacheflush, start, |
63 // reinterpret_cast<intptr_t>(start) + size, 0); | 60 // reinterpret_cast<intptr_t>(start) + size, 0); |
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133 #if !defined (__arm__) || !defined(CAN_USE_ARMV5_INSTRUCTIONS) | 130 #if !defined (__arm__) || !defined(CAN_USE_ARMV5_INSTRUCTIONS) |
134 UNIMPLEMENTED(); // when building ARM emulator target | 131 UNIMPLEMENTED(); // when building ARM emulator target |
135 #else | 132 #else |
136 asm volatile("bkpt 0"); | 133 asm volatile("bkpt 0"); |
137 #endif | 134 #endif |
138 } | 135 } |
139 | 136 |
140 } } // namespace v8::internal | 137 } } // namespace v8::internal |
141 | 138 |
142 #endif // V8_TARGET_ARCH_ARM | 139 #endif // V8_TARGET_ARCH_ARM |
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