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Add a sample project for compiling the recompiled functions.

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This commit is contained in:
Skyth
2024-09-18 15:19:20 +03:00
parent 5a16d14d30
commit 06aeb62472
6 changed files with 33 additions and 22 deletions
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1
CMakeLists.txt
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@@ -25,3 +25,4 @@ project ("PowerRecomp-ALL")
add_subdirectory(PowerAnalyse)
add_subdirectory(PowerRecomp)
add_subdirectory(PowerUtils)
add_subdirectory(PowerSample)

34
PowerRecomp/main.cpp
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@@ -10,8 +10,6 @@
#include <toml++/toml.hpp>
#include <unordered_map>
#define TEST_FILE "private/default.xex"
static uint64_t computeMask(uint32_t mstart, uint32_t mstop)
{
mstart &= 0x3F;
@@ -20,9 +18,13 @@ static uint64_t computeMask(uint32_t mstart, uint32_t mstop)
return mstart <= mstop ? value : ~value;
}
int main()
// argv 1: xex file path
// argv 2: switches toml file path
// argv 3: output directory path
int main(int argc, char* argv[])
{
const auto file = LoadFile(TEST_FILE).value();
const auto file = LoadFile(argv[1]).value();
auto image = Image::ParseImage(file.data(), file.size()).value();
std::println("Loading switch tables...");
@@ -35,7 +37,7 @@ int main()
std::unordered_map<size_t, SwitchTable> switchTables;
toml::table toml = toml::parse_file("out/switches.toml");
toml::table toml = toml::parse_file(argv[2]);
for (auto& entry : *toml["switch"].as_array())
{
auto& table = *entry.as_table();
@@ -50,14 +52,8 @@ int main()
std::println("Analysing functions...");
uint32_t cxxFrameHandler = std::byteswap(0x831B1C90);
uint32_t cSpecificFrameHandler = std::byteswap(0x8324B3BC);
image.symbols.emplace("__CxxFrameHandler", 0x831B1C90, 0x38, Symbol_Function);
image.symbols.emplace("__C_specific_handler", 0x8324B3BC, 0x38, Symbol_Function);
image.symbols.emplace("__memcpy", 0x831B0ED0, 0x488, Symbol_Function);
image.symbols.emplace("__memset", 0x831B0BA0, 0xA0, Symbol_Function);
image.symbols.emplace("__blkmov", 0x831B1358, 0xA8, Symbol_Function);
image.symbols.emplace(std::format("sub_{:X}", 0x82EF5D78), 0x82EF5D78, 0x3F8, Symbol_Function);
constexpr uint32_t cxxFrameHandler = std::byteswap(0x831B1C90);
constexpr uint32_t cSpecificFrameHandler = std::byteswap(0x8324B3BC);
std::vector<Function> functions;
auto& pdata = *image.Find(".pdata");
@@ -146,7 +142,7 @@ int main()
{
if (name.empty())
{
name = std::format("out/ppc_recomp.{}.cpp", cppFileIndex);
name = std::format("{}/ppc_recomp.{}.cpp", argv[3], cppFileIndex);
++cppFileIndex;
}
@@ -165,7 +161,7 @@ int main()
for (auto& symbol : image.symbols)
println("PPC_FUNC void {}(PPCContext& __restrict ctx, uint8_t* base);", symbol.name);
saveFile("out/ppc_recomp_shared.h");
saveFile(std::format("{}/ppc_recomp_shared.h", argv[3]));
}
{
@@ -178,12 +174,12 @@ int main()
println("\t{{ 0, nullptr }}");
println("}};");
saveFile("out/ppc_func_mapping.cpp");
saveFile(std::format("{}/ppc_func_mapping.cpp", argv[3]));
}
for (size_t funcIdx = 0; funcIdx < functions.size(); funcIdx++)
{
if ((funcIdx % 1000) == 0)
if ((funcIdx % 100) == 0)
{
std::println("Recompiling functions... {}%", static_cast<float>(funcIdx) / functions.size() * 100.0f);
@@ -1417,7 +1413,7 @@ int main()
case PPC_INST_VCFUX:
case PPC_INST_VCUXWFP128:
println("\t_mm_store_ps(ctx.v{}.f32, _mm_mul_ps(_mm_cvtepu32_ps(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_set1_ps(ldexpf(1.0f, {}))));", insn.operands[0], insn.operands[1], -int32_t(insn.operands[2]));
println("\t_mm_store_ps(ctx.v{}.f32, _mm_mul_ps(_mm_cvtepu32_ps_(_mm_load_si128((__m128i*)ctx.v{}.u32)), _mm_set1_ps(ldexpf(1.0f, {}))));", insn.operands[0], insn.operands[1], -int32_t(insn.operands[2]));
break;
case PPC_INST_VCMPBFP128:
@@ -1552,7 +1548,7 @@ int main()
case PPC_INST_VPERM:
case PPC_INST_VPERM128:
println("\t_mm_store_si128((__m128i*)ctx.v{}.u8, _mm_perm_epi8(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
println("\t_mm_store_si128((__m128i*)ctx.v{}.u8, _mm_perm_epi8_(_mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8), _mm_load_si128((__m128i*)ctx.v{}.u8)));", insn.operands[0], insn.operands[1], insn.operands[2], insn.operands[3]);
break;
case PPC_INST_VPERMWI128:

1
PowerSample/.gitignore vendored Normal file
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@@ -0,0 +1 @@
ppc_*

13
PowerSample/CMakeLists.txt Normal file
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@@ -0,0 +1,13 @@
project("PowerSample")
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_COMPILER "clang-cl")
set(CMAKE_C_COMPILER "clang-cl")
add_compile_options("-march=x86-64-v3")
file(GLOB RecompiledFiles *.cpp)
add_library(PowerSample SHARED ${RecompiledFiles})
target_precompile_headers(PowerSample PUBLIC "ppc_recomp_shared.h")
target_link_libraries(PowerSample PUBLIC PowerUtils)

0
PowerSample/main.cpp Normal file
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6
PowerUtils/ppc_context.h
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@@ -13,7 +13,7 @@
#define isnan __builtin_isnan
#define __assume __builtin_assume
#define __unreachable() __builtin_unreachable()
#define PPC_FUNC __attribute__((weak,noinline))
#define PPC_FUNC __attribute__((noinline))
#else
#include <intrin.h>
#define PPC_FUNC __declspec(noinline)
@@ -466,7 +466,7 @@ inline __m128i _mm_avg_epi16(__m128i a, __m128i b)
return _mm_add_epi16(c, _mm_avg_epu16(_mm_add_epi16(c, a), _mm_add_epi16(c, b)));
}
inline __m128 _mm_cvtepu32_ps(__m128i v)
inline __m128 _mm_cvtepu32_ps_(__m128i v)
{
__m128i v2 = _mm_srli_epi32(v, 1);
__m128i v1 = _mm_sub_epi32(v, v2);
@@ -475,7 +475,7 @@ inline __m128 _mm_cvtepu32_ps(__m128i v)
return _mm_add_ps(v2f, v1f);
}
inline __m128i _mm_perm_epi8(__m128i a, __m128i b, __m128i c)
inline __m128i _mm_perm_epi8_(__m128i a, __m128i b, __m128i c)
{
__m128i d = _mm_set1_epi8(0xF);
__m128i e = _mm_sub_epi8(d, _mm_and_si128(c, d));