diff options
Diffstat (limited to 'lib/System/Memory.cpp')
| -rw-r--r-- | lib/System/Memory.cpp | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/lib/System/Memory.cpp b/lib/System/Memory.cpp index 3660bcb1a4..375c73cf02 100644 --- a/lib/System/Memory.cpp +++ b/lib/System/Memory.cpp @@ -35,26 +35,28 @@ extern "C" void sys_icache_invalidate(const void *Addr, size_t len); void llvm::sys::Memory::InvalidateInstructionCache(const void *Addr, size_t Len) { -// icache invalidation for PPC. +// icache invalidation for PPC and ARM. +#if defined(__APPLE__) #if (defined(__POWERPC__) || defined (__ppc__) || \ - defined(_POWER) || defined(_ARCH_PPC)) - #if defined(__APPLE__) - sys_icache_invalidate(Addr, Len); - #elif defined(__GNUC__) - const size_t LineSize = 32; - - const intptr_t Mask = ~(LineSize - 1); - const intptr_t StartLine = ((intptr_t) Addr) & Mask; - const intptr_t EndLine = ((intptr_t) Addr + Len + LineSize - 1) & Mask; - - for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize) - asm volatile("dcbf 0, %0" : : "r"(Line)); - asm volatile("sync"); - - for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize) - asm volatile("icbi 0, %0" : : "r"(Line)); - asm volatile("isync"); - #endif -#endif // end PPC + defined(_POWER) || defined(_ARCH_PPC)) || defined(__arm__) + sys_icache_invalidate(Addr, Len); +#endif +#else +#if (defined(__POWERPC__) || defined (__ppc__) || \ + defined(_POWER) || defined(_ARCH_PPC)) && defined(__GNUC__) + const size_t LineSize = 32; + + const intptr_t Mask = ~(LineSize - 1); + const intptr_t StartLine = ((intptr_t) Addr) & Mask; + const intptr_t EndLine = ((intptr_t) Addr + Len + LineSize - 1) & Mask; + for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize) + asm volatile("dcbf 0, %0" : : "r"(Line)); + asm volatile("sync"); + + for (intptr_t Line = StartLine; Line < EndLine; Line += LineSize) + asm volatile("icbi 0, %0" : : "r"(Line)); + asm volatile("isync"); +#endif +#endif // end apple } |