7c970132b5
Macro code is just uploaded sequentially from a starting address, however that does not mean the entry point for the macro is at that address. This PR adds preliminary support for executing macros in the middle of our cached code.
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <optional>
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#include <boost/container_hash/hash.hpp>
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#include "common/assert.h"
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#include "common/logging/log.h"
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#include "core/settings.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/macro/macro.h"
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#include "video_core/macro/macro_hle.h"
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#include "video_core/macro/macro_interpreter.h"
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#include "video_core/macro/macro_jit_x64.h"
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namespace Tegra {
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MacroEngine::MacroEngine(Engines::Maxwell3D& maxwell3d)
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: hle_macros{std::make_unique<Tegra::HLEMacro>(maxwell3d)} {}
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MacroEngine::~MacroEngine() = default;
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void MacroEngine::AddCode(u32 method, u32 data) {
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uploaded_macro_code[method].push_back(data);
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}
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void MacroEngine::Execute(Engines::Maxwell3D& maxwell3d, u32 method,
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const std::vector<u32>& parameters) {
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auto compiled_macro = macro_cache.find(method);
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if (compiled_macro != macro_cache.end()) {
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const auto& cache_info = compiled_macro->second;
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if (cache_info.has_hle_program) {
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cache_info.hle_program->Execute(parameters, method);
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} else {
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cache_info.lle_program->Execute(parameters, method);
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}
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} else {
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// Macro not compiled, check if it's uploaded and if so, compile it
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std::optional<u32> mid_method = std::nullopt;
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const auto macro_code = uploaded_macro_code.find(method);
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if (macro_code == uploaded_macro_code.end()) {
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for (const auto& [method_base, code] : uploaded_macro_code) {
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if (method >= method_base && (method - method_base) < code.size()) {
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mid_method = method_base;
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break;
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}
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}
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if (!mid_method.has_value()) {
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UNREACHABLE_MSG("Macro 0x{0:x} was not uploaded", method);
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return;
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}
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}
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auto& cache_info = macro_cache[method];
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if (!mid_method.has_value()) {
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cache_info.lle_program = Compile(macro_code->second);
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cache_info.hash = boost::hash_value(macro_code->second);
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} else {
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const auto& macro_cached = uploaded_macro_code[mid_method.value()];
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const auto rebased_method = method - mid_method.value();
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auto& code = uploaded_macro_code[method];
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code.resize(macro_cached.size() - rebased_method);
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std::memcpy(code.data(), macro_cached.data() + rebased_method,
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code.size() * sizeof(u32));
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cache_info.hash = boost::hash_value(code);
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cache_info.lle_program = Compile(code);
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}
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auto hle_program = hle_macros->GetHLEProgram(cache_info.hash);
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if (hle_program.has_value()) {
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cache_info.has_hle_program = true;
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cache_info.hle_program = std::move(hle_program.value());
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cache_info.hle_program->Execute(parameters, method);
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} else {
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cache_info.lle_program->Execute(parameters, method);
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}
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}
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}
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std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d) {
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if (Settings::values.disable_macro_jit) {
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return std::make_unique<MacroInterpreter>(maxwell3d);
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}
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#ifdef ARCHITECTURE_x86_64
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return std::make_unique<MacroJITx64>(maxwell3d);
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#else
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return std::make_unique<MacroInterpreter>(maxwell3d);
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#endif
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}
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} // namespace Tegra
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