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Merge pull request #1248 from SChernykh/evo

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Fixed code cache cleanup on iOS/Darwin
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xmrig 2019-10-18 23:27:39 +07:00 committed by GitHub
commit 128c5f67ad
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 14 deletions
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2
cmake/flags.cmake
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@ -54,6 +54,8 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
#set(CMAKE_C_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -gdwarf-2")
add_definitions(/DHAVE_BUILTIN_CLEAR_CACHE)
elseif (CMAKE_CXX_COMPILER_ID MATCHES MSVC)
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Ox /Ot /Oi /MT /GL")

27
src/crypto/randomx/jit_compiler_a64.cpp
View file

@ -103,6 +103,21 @@ JitCompilerA64::~JitCompilerA64()
freePagedMemory(code, CodeSize + CalcDatasetItemSize());
}
#if defined(ios_HOST_OS) || defined (darwin_HOST_OS)
void sys_icache_invalidate(void *start, size_t len);
#endif
static void clear_code_cache(char* p1, char* p2)
{
# if defined(ios_HOST_OS) || defined (darwin_HOST_OS)
sys_icache_invalidate(p1, static_cast<size_t>(p2 - p1));
# elif defined (HAVE_BUILTIN_CLEAR_CACHE) || defined (__GNUC__)
__builtin___clear_cache(p1, p2);
# else
# error "No clear code cache function found"
# endif
}
void JitCompilerA64::generateProgram(Program& program, ProgramConfiguration& config)
{
uint32_t codePos = MainLoopBegin + 4;
@ -149,9 +164,7 @@ void JitCompilerA64::generateProgram(Program& program, ProgramConfiguration& con
codePos = ((uint8_t*)randomx_program_aarch64_update_spMix1) - ((uint8_t*)randomx_program_aarch64);
emit32(ARMV8A::EOR | 10 | (IntRegMap[config.readReg0] << 5) | (IntRegMap[config.readReg1] << 16), code, codePos);
# ifdef HAVE_BUILTIN_CLEAR_CACHE
__builtin___clear_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
# endif
clear_code_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
}
void JitCompilerA64::generateProgramLight(Program& program, ProgramConfiguration& config, uint32_t datasetOffset)
@ -206,9 +219,7 @@ void JitCompilerA64::generateProgramLight(Program& program, ProgramConfiguration
emit32(ARMV8A::ADD_IMM_LO | 2 | (2 << 5) | (imm_lo << 10), code, codePos);
emit32(ARMV8A::ADD_IMM_HI | 2 | (2 << 5) | (imm_hi << 10), code, codePos);
# ifdef HAVE_BUILTIN_CLEAR_CACHE
__builtin___clear_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
# endif
clear_code_cache(reinterpret_cast<char*>(code + MainLoopBegin), reinterpret_cast<char*>(code + codePos));
}
template<size_t N>
@ -324,9 +335,7 @@ void JitCompilerA64::generateSuperscalarHash(SuperscalarProgram(&programs)[N], s
memcpy(code + codePos, p1, p2 - p1);
codePos += p2 - p1;
# ifdef HAVE_BUILTIN_CLEAR_CACHE
__builtin___clear_cache(reinterpret_cast<char*>(code + CodeSize), reinterpret_cast<char*>(code + codePos));
# endif
clear_code_cache(reinterpret_cast<char*>(code + CodeSize), reinterpret_cast<char*>(code + codePos));
}
template void JitCompilerA64::generateSuperscalarHash(SuperscalarProgram(&programs)[RANDOMX_CACHE_MAX_ACCESSES], std::vector<uint64_t> &reciprocalCache);