Merge pull request #4009 from ogniK5377/macro-jit-prod
video_core: Implement Macro JIT
This commit is contained in:
bunnei
GitHub
commit
34d4abc4f9
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@ -474,6 +474,7 @@ struct Values {
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bool reporting_services;
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bool quest_flag;
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bool disable_cpu_opt;
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bool disable_macro_jit;
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// BCAT
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std::string bcat_backend;
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@ -25,6 +25,12 @@ add_library(video_core STATIC
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engines/shader_bytecode.h
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engines/shader_header.h
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engines/shader_type.h
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macro/macro.cpp
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macro/macro.h
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macro/macro_interpreter.cpp
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macro/macro_interpreter.h
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macro/macro_jit_x64.cpp
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macro/macro_jit_x64.h
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fence_manager.h
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gpu.cpp
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gpu.h
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@ -36,8 +42,6 @@ add_library(video_core STATIC
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gpu_thread.h
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guest_driver.cpp
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guest_driver.h
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macro_interpreter.cpp
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macro_interpreter.h
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memory_manager.cpp
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memory_manager.h
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morton.cpp
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@ -25,9 +25,8 @@ constexpr u32 MacroRegistersStart = 0xE00;
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Maxwell3D::Maxwell3D(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
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MemoryManager& memory_manager)
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: system{system}, rasterizer{rasterizer}, memory_manager{memory_manager},
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macro_interpreter{*this}, upload_state{memory_manager, regs.upload} {
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macro_engine{GetMacroEngine(*this)}, upload_state{memory_manager, regs.upload} {
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dirty.flags.flip();
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InitializeRegisterDefaults();
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}
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@ -120,7 +119,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
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mme_inline[MAXWELL3D_REG_INDEX(index_array.count)] = true;
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}
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void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u32* parameters) {
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void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters) {
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// Reset the current macro.
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executing_macro = 0;
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@ -129,7 +128,7 @@ void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u3
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((method - MacroRegistersStart) >> 1) % static_cast<u32>(macro_positions.size());
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// Execute the current macro.
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macro_interpreter.Execute(macro_positions[entry], num_parameters, parameters);
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macro_engine->Execute(macro_positions[entry], parameters);
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if (mme_draw.current_mode != MMEDrawMode::Undefined) {
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FlushMMEInlineDraw();
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}
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@ -165,7 +164,7 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
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// Call the macro when there are no more parameters in the command buffer
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if (is_last_call) {
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CallMacroMethod(executing_macro, macro_params.size(), macro_params.data());
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CallMacroMethod(executing_macro, macro_params);
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macro_params.clear();
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}
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return;
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@ -201,7 +200,7 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
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break;
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}
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case MAXWELL3D_REG_INDEX(macros.data): {
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ProcessMacroUpload(arg);
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macro_engine->AddCode(regs.macros.upload_address, arg);
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break;
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}
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case MAXWELL3D_REG_INDEX(macros.bind): {
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@ -310,7 +309,7 @@ void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
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// Call the macro when there are no more parameters in the command buffer
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if (amount == methods_pending) {
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CallMacroMethod(executing_macro, macro_params.size(), macro_params.data());
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CallMacroMethod(executing_macro, macro_params);
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macro_params.clear();
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}
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return;
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@ -424,9 +423,7 @@ void Maxwell3D::FlushMMEInlineDraw() {
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}
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void Maxwell3D::ProcessMacroUpload(u32 data) {
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ASSERT_MSG(regs.macros.upload_address < macro_memory.size(),
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"upload_address exceeded macro_memory size!");
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macro_memory[regs.macros.upload_address++] = data;
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macro_engine->AddCode(regs.macros.upload_address++, data);
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}
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void Maxwell3D::ProcessMacroBind(u32 data) {
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@ -23,7 +23,7 @@
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#include "video_core/engines/engine_upload.h"
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#include "video_core/engines/shader_type.h"
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#include "video_core/gpu.h"
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#include "video_core/macro_interpreter.h"
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#include "video_core/macro/macro.h"
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#include "video_core/textures/texture.h"
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namespace Core {
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@ -1411,15 +1411,6 @@ public:
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const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const override;
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/// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
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/// we've seen used.
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using MacroMemory = std::array<u32, 0x40000>;
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/// Gets a reference to macro memory.
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const MacroMemory& GetMacroMemory() const {
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return macro_memory;
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}
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bool ShouldExecute() const {
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return execute_on;
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}
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@ -1468,16 +1459,13 @@ private:
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std::array<bool, Regs::NUM_REGS> mme_inline{};
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/// Memory for macro code
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MacroMemory macro_memory;
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/// Macro method that is currently being executed / being fed parameters.
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u32 executing_macro = 0;
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/// Parameters that have been submitted to the macro call so far.
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std::vector<u32> macro_params;
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/// Interpreter for the macro codes uploaded to the GPU.
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MacroInterpreter macro_interpreter;
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std::unique_ptr<MacroEngine> macro_engine;
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static constexpr u32 null_cb_data = 0xFFFFFFFF;
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struct {
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@ -1506,7 +1494,7 @@ private:
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* @param num_parameters Number of arguments
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* @param parameters Arguments to the method call
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*/
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void CallMacroMethod(u32 method, std::size_t num_parameters, const u32* parameters);
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void CallMacroMethod(u32 method, const std::vector<u32>& parameters);
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/// Handles writes to the macro uploading register.
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void ProcessMacroUpload(u32 data);
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@ -0,0 +1,45 @@
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// 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 "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/macro/macro.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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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(u32 method, 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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compiled_macro->second->Execute(parameters, method);
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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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auto macro_code = uploaded_macro_code.find(method);
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if (macro_code == uploaded_macro_code.end()) {
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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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macro_cache[method] = Compile(macro_code->second);
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macro_cache[method]->Execute(parameters, method);
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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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@ -0,0 +1,128 @@
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// 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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#pragma once
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#include <memory>
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#include <unordered_map>
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#include <vector>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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namespace Tegra {
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namespace Engines {
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class Maxwell3D;
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}
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namespace Macro {
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constexpr std::size_t NUM_MACRO_REGISTERS = 8;
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enum class Operation : u32 {
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ALU = 0,
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AddImmediate = 1,
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ExtractInsert = 2,
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ExtractShiftLeftImmediate = 3,
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ExtractShiftLeftRegister = 4,
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Read = 5,
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Unused = 6, // This operation doesn't seem to be a valid encoding.
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Branch = 7,
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};
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enum class ALUOperation : u32 {
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Add = 0,
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AddWithCarry = 1,
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Subtract = 2,
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SubtractWithBorrow = 3,
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// Operations 4-7 don't seem to be valid encodings.
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Xor = 8,
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Or = 9,
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And = 10,
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AndNot = 11,
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Nand = 12
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};
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enum class ResultOperation : u32 {
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IgnoreAndFetch = 0,
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Move = 1,
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MoveAndSetMethod = 2,
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FetchAndSend = 3,
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MoveAndSend = 4,
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FetchAndSetMethod = 5,
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MoveAndSetMethodFetchAndSend = 6,
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MoveAndSetMethodSend = 7
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};
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enum class BranchCondition : u32 {
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Zero = 0,
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NotZero = 1,
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};
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union Opcode {
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u32 raw;
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BitField<0, 3, Operation> operation;
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BitField<4, 3, ResultOperation> result_operation;
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BitField<4, 1, BranchCondition> branch_condition;
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// If set on a branch, then the branch doesn't have a delay slot.
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BitField<5, 1, u32> branch_annul;
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BitField<7, 1, u32> is_exit;
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BitField<8, 3, u32> dst;
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BitField<11, 3, u32> src_a;
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BitField<14, 3, u32> src_b;
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// The signed immediate overlaps the second source operand and the alu operation.
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BitField<14, 18, s32> immediate;
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BitField<17, 5, ALUOperation> alu_operation;
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// Bitfield instructions data
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BitField<17, 5, u32> bf_src_bit;
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BitField<22, 5, u32> bf_size;
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BitField<27, 5, u32> bf_dst_bit;
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u32 GetBitfieldMask() const {
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return (1 << bf_size) - 1;
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}
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s32 GetBranchTarget() const {
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return static_cast<s32>(immediate * sizeof(u32));
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}
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};
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union MethodAddress {
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u32 raw;
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BitField<0, 12, u32> address;
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BitField<12, 6, u32> increment;
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};
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} // namespace Macro
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class CachedMacro {
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public:
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virtual ~CachedMacro() = default;
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/**
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* Executes the macro code with the specified input parameters.
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* @param code The macro byte code to execute
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* @param parameters The parameters of the macro
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*/
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virtual void Execute(const std::vector<u32>& parameters, u32 method) = 0;
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};
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class MacroEngine {
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public:
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virtual ~MacroEngine() = default;
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// Store the uploaded macro code to compile them when they're called.
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void AddCode(u32 method, u32 data);
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// Compiles the macro if its not in the cache, and executes the compiled macro
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void Execute(u32 method, const std::vector<u32>& parameters);
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protected:
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virtual std::unique_ptr<CachedMacro> Compile(const std::vector<u32>& code) = 0;
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private:
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std::unordered_map<u32, std::unique_ptr<CachedMacro>> macro_cache;
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std::unordered_map<u32, std::vector<u32>> uploaded_macro_code;
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};
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std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d);
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} // namespace Tegra
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@ -1,4 +1,4 @@
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// Copyright 2018 yuzu Emulator Project
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// 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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@ -6,109 +6,46 @@
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "video_core/engines/maxwell_3d.h"
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#include "video_core/macro_interpreter.h"
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#include "video_core/macro/macro_interpreter.h"
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MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192));
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namespace Tegra {
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namespace {
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enum class Operation : u32 {
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ALU = 0,
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AddImmediate = 1,
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ExtractInsert = 2,
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ExtractShiftLeftImmediate = 3,
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ExtractShiftLeftRegister = 4,
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Read = 5,
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Unused = 6, // This operation doesn't seem to be a valid encoding.
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Branch = 7,
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};
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} // Anonymous namespace
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enum class MacroInterpreter::ALUOperation : u32 {
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Add = 0,
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AddWithCarry = 1,
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Subtract = 2,
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SubtractWithBorrow = 3,
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// Operations 4-7 don't seem to be valid encodings.
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Xor = 8,
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Or = 9,
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And = 10,
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AndNot = 11,
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Nand = 12
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};
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enum class MacroInterpreter::ResultOperation : u32 {
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IgnoreAndFetch = 0,
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Move = 1,
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MoveAndSetMethod = 2,
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FetchAndSend = 3,
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MoveAndSend = 4,
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FetchAndSetMethod = 5,
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MoveAndSetMethodFetchAndSend = 6,
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MoveAndSetMethodSend = 7
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};
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enum class MacroInterpreter::BranchCondition : u32 {
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Zero = 0,
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NotZero = 1,
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};
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union MacroInterpreter::Opcode {
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u32 raw;
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BitField<0, 3, Operation> operation;
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BitField<4, 3, ResultOperation> result_operation;
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BitField<4, 1, BranchCondition> branch_condition;
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// If set on a branch, then the branch doesn't have a delay slot.
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BitField<5, 1, u32> branch_annul;
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BitField<7, 1, u32> is_exit;
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BitField<8, 3, u32> dst;
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BitField<11, 3, u32> src_a;
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BitField<14, 3, u32> src_b;
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// The signed immediate overlaps the second source operand and the alu operation.
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BitField<14, 18, s32> immediate;
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BitField<17, 5, ALUOperation> alu_operation;
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// Bitfield instructions data
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BitField<17, 5, u32> bf_src_bit;
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BitField<22, 5, u32> bf_size;
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BitField<27, 5, u32> bf_dst_bit;
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u32 GetBitfieldMask() const {
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return (1 << bf_size) - 1;
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}
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s32 GetBranchTarget() const {
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return static_cast<s32>(immediate * sizeof(u32));
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}
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};
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MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
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void MacroInterpreter::Execute(u32 offset, std::size_t num_parameters, const u32* parameters) {
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std::unique_ptr<CachedMacro> MacroInterpreter::Compile(const std::vector<u32>& code) {
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return std::make_unique<MacroInterpreterImpl>(maxwell3d, code);
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}
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MacroInterpreterImpl::MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d,
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const std::vector<u32>& code)
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: maxwell3d(maxwell3d), code(code) {}
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void MacroInterpreterImpl::Execute(const std::vector<u32>& parameters, u32 method) {
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MICROPROFILE_SCOPE(MacroInterp);
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Reset();
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registers[1] = parameters[0];
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num_parameters = parameters.size();
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if (num_parameters > parameters_capacity) {
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parameters_capacity = num_parameters;
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this->parameters = std::make_unique<u32[]>(num_parameters);
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}
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std::memcpy(this->parameters.get(), parameters, num_parameters * sizeof(u32));
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std::memcpy(this->parameters.get(), parameters.data(), num_parameters * sizeof(u32));
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this->num_parameters = num_parameters;
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// Execute the code until we hit an exit condition.
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bool keep_executing = true;
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while (keep_executing) {
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keep_executing = Step(offset, false);
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keep_executing = Step(false);
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}
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// Assert the the macro used all the input parameters
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ASSERT(next_parameter_index == num_parameters);
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}
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void MacroInterpreter::Reset() {
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void MacroInterpreterImpl::Reset() {
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registers = {};
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pc = 0;
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delayed_pc = {};
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@ -120,10 +57,10 @@ void MacroInterpreter::Reset() {
|
|||
carry_flag = false;
|
||||
}
|
||||
|
||||
bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
||||
bool MacroInterpreterImpl::Step(bool is_delay_slot) {
|
||||
u32 base_address = pc;
|
||||
|
||||
Opcode opcode = GetOpcode(offset);
|
||||
Macro::Opcode opcode = GetOpcode();
|
||||
pc += 4;
|
||||
|
||||
// Update the program counter if we were delayed
|
||||
|
|
@ -134,18 +71,18 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
}
|
||||
|
||||
switch (opcode.operation) {
|
||||
case Operation::ALU: {
|
||||
case Macro::Operation::ALU: {
|
||||
u32 result = GetALUResult(opcode.alu_operation, GetRegister(opcode.src_a),
|
||||
GetRegister(opcode.src_b));
|
||||
ProcessResult(opcode.result_operation, opcode.dst, result);
|
||||
break;
|
||||
}
|
||||
case Operation::AddImmediate: {
|
||||
case Macro::Operation::AddImmediate: {
|
||||
ProcessResult(opcode.result_operation, opcode.dst,
|
||||
GetRegister(opcode.src_a) + opcode.immediate);
|
||||
break;
|
||||
}
|
||||
case Operation::ExtractInsert: {
|
||||
case Macro::Operation::ExtractInsert: {
|
||||
u32 dst = GetRegister(opcode.src_a);
|
||||
u32 src = GetRegister(opcode.src_b);
|
||||
|
||||
|
|
@ -155,7 +92,7 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
ProcessResult(opcode.result_operation, opcode.dst, dst);
|
||||
break;
|
||||
}
|
||||
case Operation::ExtractShiftLeftImmediate: {
|
||||
case Macro::Operation::ExtractShiftLeftImmediate: {
|
||||
u32 dst = GetRegister(opcode.src_a);
|
||||
u32 src = GetRegister(opcode.src_b);
|
||||
|
||||
|
|
@ -164,7 +101,7 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
ProcessResult(opcode.result_operation, opcode.dst, result);
|
||||
break;
|
||||
}
|
||||
case Operation::ExtractShiftLeftRegister: {
|
||||
case Macro::Operation::ExtractShiftLeftRegister: {
|
||||
u32 dst = GetRegister(opcode.src_a);
|
||||
u32 src = GetRegister(opcode.src_b);
|
||||
|
||||
|
|
@ -173,12 +110,12 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
ProcessResult(opcode.result_operation, opcode.dst, result);
|
||||
break;
|
||||
}
|
||||
case Operation::Read: {
|
||||
case Macro::Operation::Read: {
|
||||
u32 result = Read(GetRegister(opcode.src_a) + opcode.immediate);
|
||||
ProcessResult(opcode.result_operation, opcode.dst, result);
|
||||
break;
|
||||
}
|
||||
case Operation::Branch: {
|
||||
case Macro::Operation::Branch: {
|
||||
ASSERT_MSG(!is_delay_slot, "Executing a branch in a delay slot is not valid");
|
||||
u32 value = GetRegister(opcode.src_a);
|
||||
bool taken = EvaluateBranchCondition(opcode.branch_condition, value);
|
||||
|
|
@ -191,7 +128,7 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
|
||||
delayed_pc = base_address + opcode.GetBranchTarget();
|
||||
// Execute one more instruction due to the delay slot.
|
||||
return Step(offset, true);
|
||||
return Step(true);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
@ -204,51 +141,44 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
|
|||
// cause an exit if it's executed inside a delay slot.
|
||||
if (opcode.is_exit && !is_delay_slot) {
|
||||
// Exit has a delay slot, execute the next instruction
|
||||
Step(offset, true);
|
||||
Step(true);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
MacroInterpreter::Opcode MacroInterpreter::GetOpcode(u32 offset) const {
|
||||
const auto& macro_memory{maxwell3d.GetMacroMemory()};
|
||||
ASSERT((pc % sizeof(u32)) == 0);
|
||||
ASSERT((pc + offset) < macro_memory.size() * sizeof(u32));
|
||||
return {macro_memory[offset + pc / sizeof(u32)]};
|
||||
}
|
||||
|
||||
u32 MacroInterpreter::GetALUResult(ALUOperation operation, u32 src_a, u32 src_b) {
|
||||
u32 MacroInterpreterImpl::GetALUResult(Macro::ALUOperation operation, u32 src_a, u32 src_b) {
|
||||
switch (operation) {
|
||||
case ALUOperation::Add: {
|
||||
case Macro::ALUOperation::Add: {
|
||||
const u64 result{static_cast<u64>(src_a) + src_b};
|
||||
carry_flag = result > 0xffffffff;
|
||||
return static_cast<u32>(result);
|
||||
}
|
||||
case ALUOperation::AddWithCarry: {
|
||||
case Macro::ALUOperation::AddWithCarry: {
|
||||
const u64 result{static_cast<u64>(src_a) + src_b + (carry_flag ? 1ULL : 0ULL)};
|
||||
carry_flag = result > 0xffffffff;
|
||||
return static_cast<u32>(result);
|
||||
}
|
||||
case ALUOperation::Subtract: {
|
||||
case Macro::ALUOperation::Subtract: {
|
||||
const u64 result{static_cast<u64>(src_a) - src_b};
|
||||
carry_flag = result < 0x100000000;
|
||||
return static_cast<u32>(result);
|
||||
}
|
||||
case ALUOperation::SubtractWithBorrow: {
|
||||
case Macro::ALUOperation::SubtractWithBorrow: {
|
||||
const u64 result{static_cast<u64>(src_a) - src_b - (carry_flag ? 0ULL : 1ULL)};
|
||||
carry_flag = result < 0x100000000;
|
||||
return static_cast<u32>(result);
|
||||
}
|
||||
case ALUOperation::Xor:
|
||||
case Macro::ALUOperation::Xor:
|
||||
return src_a ^ src_b;
|
||||
case ALUOperation::Or:
|
||||
case Macro::ALUOperation::Or:
|
||||
return src_a | src_b;
|
||||
case ALUOperation::And:
|
||||
case Macro::ALUOperation::And:
|
||||
return src_a & src_b;
|
||||
case ALUOperation::AndNot:
|
||||
case Macro::ALUOperation::AndNot:
|
||||
return src_a & ~src_b;
|
||||
case ALUOperation::Nand:
|
||||
case Macro::ALUOperation::Nand:
|
||||
return ~(src_a & src_b);
|
||||
|
||||
default:
|
||||
|
|
@ -257,43 +187,43 @@ u32 MacroInterpreter::GetALUResult(ALUOperation operation, u32 src_a, u32 src_b)
|
|||
}
|
||||
}
|
||||
|
||||
void MacroInterpreter::ProcessResult(ResultOperation operation, u32 reg, u32 result) {
|
||||
void MacroInterpreterImpl::ProcessResult(Macro::ResultOperation operation, u32 reg, u32 result) {
|
||||
switch (operation) {
|
||||
case ResultOperation::IgnoreAndFetch:
|
||||
case Macro::ResultOperation::IgnoreAndFetch:
|
||||
// Fetch parameter and ignore result.
|
||||
SetRegister(reg, FetchParameter());
|
||||
break;
|
||||
case ResultOperation::Move:
|
||||
case Macro::ResultOperation::Move:
|
||||
// Move result.
|
||||
SetRegister(reg, result);
|
||||
break;
|
||||
case ResultOperation::MoveAndSetMethod:
|
||||
case Macro::ResultOperation::MoveAndSetMethod:
|
||||
// Move result and use as Method Address.
|
||||
SetRegister(reg, result);
|
||||
SetMethodAddress(result);
|
||||
break;
|
||||
case ResultOperation::FetchAndSend:
|
||||
case Macro::ResultOperation::FetchAndSend:
|
||||
// Fetch parameter and send result.
|
||||
SetRegister(reg, FetchParameter());
|
||||
Send(result);
|
||||
break;
|
||||
case ResultOperation::MoveAndSend:
|
||||
case Macro::ResultOperation::MoveAndSend:
|
||||
// Move and send result.
|
||||
SetRegister(reg, result);
|
||||
Send(result);
|
||||
break;
|
||||
case ResultOperation::FetchAndSetMethod:
|
||||
case Macro::ResultOperation::FetchAndSetMethod:
|
||||
// Fetch parameter and use result as Method Address.
|
||||
SetRegister(reg, FetchParameter());
|
||||
SetMethodAddress(result);
|
||||
break;
|
||||
case ResultOperation::MoveAndSetMethodFetchAndSend:
|
||||
case Macro::ResultOperation::MoveAndSetMethodFetchAndSend:
|
||||
// Move result and use as Method Address, then fetch and send parameter.
|
||||
SetRegister(reg, result);
|
||||
SetMethodAddress(result);
|
||||
Send(FetchParameter());
|
||||
break;
|
||||
case ResultOperation::MoveAndSetMethodSend:
|
||||
case Macro::ResultOperation::MoveAndSetMethodSend:
|
||||
// Move result and use as Method Address, then send bits 12:17 of result.
|
||||
SetRegister(reg, result);
|
||||
SetMethodAddress(result);
|
||||
|
|
@ -304,16 +234,28 @@ void MacroInterpreter::ProcessResult(ResultOperation operation, u32 reg, u32 res
|
|||
}
|
||||
}
|
||||
|
||||
u32 MacroInterpreter::FetchParameter() {
|
||||
ASSERT(next_parameter_index < num_parameters);
|
||||
return parameters[next_parameter_index++];
|
||||
bool MacroInterpreterImpl::EvaluateBranchCondition(Macro::BranchCondition cond, u32 value) const {
|
||||
switch (cond) {
|
||||
case Macro::BranchCondition::Zero:
|
||||
return value == 0;
|
||||
case Macro::BranchCondition::NotZero:
|
||||
return value != 0;
|
||||
}
|
||||
UNREACHABLE();
|
||||
return true;
|
||||
}
|
||||
|
||||
u32 MacroInterpreter::GetRegister(u32 register_id) const {
|
||||
Macro::Opcode MacroInterpreterImpl::GetOpcode() const {
|
||||
ASSERT((pc % sizeof(u32)) == 0);
|
||||
ASSERT(pc < code.size() * sizeof(u32));
|
||||
return {code[pc / sizeof(u32)]};
|
||||
}
|
||||
|
||||
u32 MacroInterpreterImpl::GetRegister(u32 register_id) const {
|
||||
return registers.at(register_id);
|
||||
}
|
||||
|
||||
void MacroInterpreter::SetRegister(u32 register_id, u32 value) {
|
||||
void MacroInterpreterImpl::SetRegister(u32 register_id, u32 value) {
|
||||
// Register 0 is hardwired as the zero register.
|
||||
// Ensure no writes to it actually occur.
|
||||
if (register_id == 0) {
|
||||
|
|
@ -323,30 +265,24 @@ void MacroInterpreter::SetRegister(u32 register_id, u32 value) {
|
|||
registers.at(register_id) = value;
|
||||
}
|
||||
|
||||
void MacroInterpreter::SetMethodAddress(u32 address) {
|
||||
void MacroInterpreterImpl::SetMethodAddress(u32 address) {
|
||||
method_address.raw = address;
|
||||
}
|
||||
|
||||
void MacroInterpreter::Send(u32 value) {
|
||||
void MacroInterpreterImpl::Send(u32 value) {
|
||||
maxwell3d.CallMethodFromMME(method_address.address, value);
|
||||
// Increment the method address by the method increment.
|
||||
method_address.address.Assign(method_address.address.Value() +
|
||||
method_address.increment.Value());
|
||||
}
|
||||
|
||||
u32 MacroInterpreter::Read(u32 method) const {
|
||||
u32 MacroInterpreterImpl::Read(u32 method) const {
|
||||
return maxwell3d.GetRegisterValue(method);
|
||||
}
|
||||
|
||||
bool MacroInterpreter::EvaluateBranchCondition(BranchCondition cond, u32 value) const {
|
||||
switch (cond) {
|
||||
case BranchCondition::Zero:
|
||||
return value == 0;
|
||||
case BranchCondition::NotZero:
|
||||
return value != 0;
|
||||
}
|
||||
UNREACHABLE();
|
||||
return true;
|
||||
u32 MacroInterpreterImpl::FetchParameter() {
|
||||
ASSERT(next_parameter_index < num_parameters);
|
||||
return parameters[next_parameter_index++];
|
||||
}
|
||||
|
||||
} // namespace Tegra
|
||||
|
|
@ -1,44 +1,37 @@
|
|||
// Copyright 2018 yuzu Emulator Project
|
||||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <optional>
|
||||
|
||||
#include <vector>
|
||||
#include "common/bit_field.h"
|
||||
#include "common/common_types.h"
|
||||
#include "video_core/macro/macro.h"
|
||||
|
||||
namespace Tegra {
|
||||
namespace Engines {
|
||||
class Maxwell3D;
|
||||
}
|
||||
|
||||
class MacroInterpreter final {
|
||||
class MacroInterpreter final : public MacroEngine {
|
||||
public:
|
||||
explicit MacroInterpreter(Engines::Maxwell3D& maxwell3d);
|
||||
|
||||
/**
|
||||
* Executes the macro code with the specified input parameters.
|
||||
* @param offset Offset to start execution at.
|
||||
* @param parameters The parameters of the macro.
|
||||
*/
|
||||
void Execute(u32 offset, std::size_t num_parameters, const u32* parameters);
|
||||
protected:
|
||||
std::unique_ptr<CachedMacro> Compile(const std::vector<u32>& code) override;
|
||||
|
||||
private:
|
||||
enum class ALUOperation : u32;
|
||||
enum class BranchCondition : u32;
|
||||
enum class ResultOperation : u32;
|
||||
Engines::Maxwell3D& maxwell3d;
|
||||
};
|
||||
|
||||
union Opcode;
|
||||
|
||||
union MethodAddress {
|
||||
u32 raw;
|
||||
BitField<0, 12, u32> address;
|
||||
BitField<12, 6, u32> increment;
|
||||
};
|
||||
class MacroInterpreterImpl : public CachedMacro {
|
||||
public:
|
||||
MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code);
|
||||
void Execute(const std::vector<u32>& parameters, u32 method) override;
|
||||
|
||||
private:
|
||||
/// Resets the execution engine state, zeroing registers, etc.
|
||||
void Reset();
|
||||
|
||||
|
|
@ -49,20 +42,20 @@ private:
|
|||
* @param is_delay_slot Whether the current step is being executed due to a delay slot in a
|
||||
* previous instruction.
|
||||
*/
|
||||
bool Step(u32 offset, bool is_delay_slot);
|
||||
bool Step(bool is_delay_slot);
|
||||
|
||||
/// Calculates the result of an ALU operation. src_a OP src_b;
|
||||
u32 GetALUResult(ALUOperation operation, u32 src_a, u32 src_b);
|
||||
u32 GetALUResult(Macro::ALUOperation operation, u32 src_a, u32 src_b);
|
||||
|
||||
/// Performs the result operation on the input result and stores it in the specified register
|
||||
/// (if necessary).
|
||||
void ProcessResult(ResultOperation operation, u32 reg, u32 result);
|
||||
void ProcessResult(Macro::ResultOperation operation, u32 reg, u32 result);
|
||||
|
||||
/// Evaluates the branch condition and returns whether the branch should be taken or not.
|
||||
bool EvaluateBranchCondition(BranchCondition cond, u32 value) const;
|
||||
bool EvaluateBranchCondition(Macro::BranchCondition cond, u32 value) const;
|
||||
|
||||
/// Reads an opcode at the current program counter location.
|
||||
Opcode GetOpcode(u32 offset) const;
|
||||
Macro::Opcode GetOpcode() const;
|
||||
|
||||
/// Returns the specified register's value. Register 0 is hardcoded to always return 0.
|
||||
u32 GetRegister(u32 register_id) const;
|
||||
|
|
@ -89,13 +82,11 @@ private:
|
|||
/// Program counter to execute at after the delay slot is executed.
|
||||
std::optional<u32> delayed_pc;
|
||||
|
||||
static constexpr std::size_t NumMacroRegisters = 8;
|
||||
|
||||
/// General purpose macro registers.
|
||||
std::array<u32, NumMacroRegisters> registers = {};
|
||||
std::array<u32, Macro::NUM_MACRO_REGISTERS> registers = {};
|
||||
|
||||
/// Method address to use for the next Send instruction.
|
||||
MethodAddress method_address = {};
|
||||
Macro::MethodAddress method_address = {};
|
||||
|
||||
/// Input parameters of the current macro.
|
||||
std::unique_ptr<u32[]> parameters;
|
||||
|
|
@ -105,5 +96,7 @@ private:
|
|||
u32 next_parameter_index = 0;
|
||||
|
||||
bool carry_flag = false;
|
||||
const std::vector<u32>& code;
|
||||
};
|
||||
|
||||
} // namespace Tegra
|
||||
|
|
@ -0,0 +1,640 @@
|
|||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/assert.h"
|
||||
#include "common/logging/log.h"
|
||||
#include "common/microprofile.h"
|
||||
#include "common/x64/xbyak_util.h"
|
||||
#include "video_core/engines/maxwell_3d.h"
|
||||
#include "video_core/macro/macro_interpreter.h"
|
||||
#include "video_core/macro/macro_jit_x64.h"
|
||||
|
||||
MICROPROFILE_DEFINE(MacroJitCompile, "GPU", "Compile macro JIT", MP_RGB(173, 255, 47));
|
||||
MICROPROFILE_DEFINE(MacroJitExecute, "GPU", "Execute macro JIT", MP_RGB(255, 255, 0));
|
||||
|
||||
namespace Tegra {
|
||||
static const Xbyak::Reg64 PARAMETERS = Xbyak::util::r9;
|
||||
static const Xbyak::Reg64 REGISTERS = Xbyak::util::r10;
|
||||
static const Xbyak::Reg64 STATE = Xbyak::util::r11;
|
||||
static const Xbyak::Reg64 NEXT_PARAMETER = Xbyak::util::r12;
|
||||
static const Xbyak::Reg32 RESULT = Xbyak::util::r13d;
|
||||
static const Xbyak::Reg64 RESULT_64 = Xbyak::util::r13;
|
||||
static const Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d;
|
||||
static const Xbyak::Reg64 METHOD_ADDRESS_64 = Xbyak::util::r14;
|
||||
static const Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15;
|
||||
|
||||
static const std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({
|
||||
PARAMETERS,
|
||||
REGISTERS,
|
||||
STATE,
|
||||
NEXT_PARAMETER,
|
||||
RESULT,
|
||||
METHOD_ADDRESS,
|
||||
BRANCH_HOLDER,
|
||||
});
|
||||
|
||||
MacroJITx64::MacroJITx64(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
|
||||
|
||||
std::unique_ptr<CachedMacro> MacroJITx64::Compile(const std::vector<u32>& code) {
|
||||
return std::make_unique<MacroJITx64Impl>(maxwell3d, code);
|
||||
}
|
||||
|
||||
MacroJITx64Impl::MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code)
|
||||
: Xbyak::CodeGenerator(MAX_CODE_SIZE), code(code), maxwell3d(maxwell3d) {
|
||||
Compile();
|
||||
}
|
||||
|
||||
MacroJITx64Impl::~MacroJITx64Impl() = default;
|
||||
|
||||
void MacroJITx64Impl::Execute(const std::vector<u32>& parameters, u32 method) {
|
||||
MICROPROFILE_SCOPE(MacroJitExecute);
|
||||
ASSERT_OR_EXECUTE(program != nullptr, { return; });
|
||||
JITState state{};
|
||||
state.maxwell3d = &maxwell3d;
|
||||
state.registers = {};
|
||||
state.parameters = parameters.data();
|
||||
program(&state);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) {
|
||||
const bool is_a_zero = opcode.src_a == 0;
|
||||
const bool is_b_zero = opcode.src_b == 0;
|
||||
const bool valid_operation = !is_a_zero && !is_b_zero;
|
||||
const bool is_move_operation = !is_a_zero && is_b_zero;
|
||||
const bool has_zero_register = is_a_zero || is_b_zero;
|
||||
|
||||
Xbyak::Reg64 src_a;
|
||||
Xbyak::Reg32 src_b;
|
||||
|
||||
if (!optimizer.zero_reg_skip) {
|
||||
src_a = Compile_GetRegister(opcode.src_a, RESULT_64);
|
||||
src_b = Compile_GetRegister(opcode.src_b, ebx);
|
||||
} else {
|
||||
if (!is_a_zero) {
|
||||
src_a = Compile_GetRegister(opcode.src_a, RESULT_64);
|
||||
}
|
||||
if (!is_b_zero) {
|
||||
src_b = Compile_GetRegister(opcode.src_b, ebx);
|
||||
}
|
||||
}
|
||||
Xbyak::Label skip_carry{};
|
||||
|
||||
bool has_emitted = false;
|
||||
|
||||
switch (opcode.alu_operation) {
|
||||
case Macro::ALUOperation::Add:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (valid_operation) {
|
||||
add(src_a, src_b);
|
||||
}
|
||||
} else {
|
||||
add(src_a, src_b);
|
||||
}
|
||||
|
||||
if (!optimizer.can_skip_carry) {
|
||||
setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::AddWithCarry:
|
||||
bt(dword[STATE + offsetof(JITState, carry_flag)], 0);
|
||||
adc(src_a, src_b);
|
||||
setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
||||
break;
|
||||
case Macro::ALUOperation::Subtract:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (valid_operation) {
|
||||
sub(src_a, src_b);
|
||||
has_emitted = true;
|
||||
}
|
||||
} else {
|
||||
sub(src_a, src_b);
|
||||
has_emitted = true;
|
||||
}
|
||||
if (!optimizer.can_skip_carry && has_emitted) {
|
||||
setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::SubtractWithBorrow:
|
||||
bt(dword[STATE + offsetof(JITState, carry_flag)], 0);
|
||||
sbb(src_a, src_b);
|
||||
setc(byte[STATE + offsetof(JITState, carry_flag)]);
|
||||
break;
|
||||
case Macro::ALUOperation::Xor:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (valid_operation) {
|
||||
xor_(src_a, src_b);
|
||||
}
|
||||
} else {
|
||||
xor_(src_a, src_b);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::Or:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (valid_operation) {
|
||||
or_(src_a, src_b);
|
||||
}
|
||||
} else {
|
||||
or_(src_a, src_b);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::And:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (!has_zero_register) {
|
||||
and_(src_a, src_b);
|
||||
}
|
||||
} else {
|
||||
and_(src_a, src_b);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::AndNot:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (!is_a_zero) {
|
||||
not_(src_b);
|
||||
and_(src_a, src_b);
|
||||
}
|
||||
} else {
|
||||
not_(src_b);
|
||||
and_(src_a, src_b);
|
||||
}
|
||||
break;
|
||||
case Macro::ALUOperation::Nand:
|
||||
if (optimizer.zero_reg_skip) {
|
||||
if (!is_a_zero) {
|
||||
and_(src_a, src_b);
|
||||
not_(src_a);
|
||||
}
|
||||
} else {
|
||||
and_(src_a, src_b);
|
||||
not_(src_a);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
UNIMPLEMENTED_MSG("Unimplemented ALU operation {}",
|
||||
static_cast<std::size_t>(opcode.alu_operation.Value()));
|
||||
break;
|
||||
}
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_AddImmediate(Macro::Opcode opcode) {
|
||||
if (optimizer.skip_dummy_addimmediate) {
|
||||
// Games tend to use this as an exit instruction placeholder. It's to encode an instruction
|
||||
// without doing anything. In our case we can just not emit anything.
|
||||
if (opcode.result_operation == Macro::ResultOperation::Move && opcode.dst == 0) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
// Check for redundant moves
|
||||
if (optimizer.optimize_for_method_move &&
|
||||
opcode.result_operation == Macro::ResultOperation::MoveAndSetMethod) {
|
||||
if (next_opcode.has_value()) {
|
||||
const auto next = *next_opcode;
|
||||
if (next.result_operation == Macro::ResultOperation::MoveAndSetMethod) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (optimizer.zero_reg_skip && opcode.src_a == 0) {
|
||||
if (opcode.immediate == 0) {
|
||||
xor_(RESULT, RESULT);
|
||||
} else {
|
||||
mov(RESULT, opcode.immediate);
|
||||
}
|
||||
} else {
|
||||
auto result = Compile_GetRegister(opcode.src_a, RESULT);
|
||||
if (opcode.immediate > 2) {
|
||||
add(result, opcode.immediate);
|
||||
} else if (opcode.immediate == 1) {
|
||||
inc(result);
|
||||
} else if (opcode.immediate < 0) {
|
||||
sub(result, opcode.immediate * -1);
|
||||
}
|
||||
}
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_ExtractInsert(Macro::Opcode opcode) {
|
||||
auto dst = Compile_GetRegister(opcode.src_a, RESULT);
|
||||
auto src = Compile_GetRegister(opcode.src_b, eax);
|
||||
|
||||
if (opcode.bf_src_bit != 0 && opcode.bf_src_bit != 31) {
|
||||
shr(src, opcode.bf_src_bit);
|
||||
} else if (opcode.bf_src_bit == 31) {
|
||||
xor_(src, src);
|
||||
}
|
||||
// Don't bother masking the whole register since we're using a 32 bit register
|
||||
if (opcode.bf_size != 31 && opcode.bf_size != 0) {
|
||||
and_(src, opcode.GetBitfieldMask());
|
||||
} else if (opcode.bf_size == 0) {
|
||||
xor_(src, src);
|
||||
}
|
||||
if (opcode.bf_dst_bit != 31 && opcode.bf_dst_bit != 0) {
|
||||
shl(src, opcode.bf_dst_bit);
|
||||
} else if (opcode.bf_dst_bit == 31) {
|
||||
xor_(src, src);
|
||||
}
|
||||
|
||||
const u32 mask = ~(opcode.GetBitfieldMask() << opcode.bf_dst_bit);
|
||||
if (mask != 0xffffffff) {
|
||||
and_(dst, mask);
|
||||
}
|
||||
or_(dst, src);
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode) {
|
||||
auto dst = Compile_GetRegister(opcode.src_a, eax);
|
||||
auto src = Compile_GetRegister(opcode.src_b, RESULT);
|
||||
|
||||
shr(src, al);
|
||||
if (opcode.bf_size != 0 && opcode.bf_size != 31) {
|
||||
and_(src, opcode.GetBitfieldMask());
|
||||
} else if (opcode.bf_size == 0) {
|
||||
xor_(src, src);
|
||||
}
|
||||
|
||||
if (opcode.bf_dst_bit != 0 && opcode.bf_dst_bit != 31) {
|
||||
shl(src, opcode.bf_dst_bit);
|
||||
} else if (opcode.bf_dst_bit == 31) {
|
||||
xor_(src, src);
|
||||
}
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_ExtractShiftLeftRegister(Macro::Opcode opcode) {
|
||||
auto dst = Compile_GetRegister(opcode.src_a, eax);
|
||||
auto src = Compile_GetRegister(opcode.src_b, RESULT);
|
||||
|
||||
if (opcode.bf_src_bit != 0) {
|
||||
shr(src, opcode.bf_src_bit);
|
||||
}
|
||||
|
||||
if (opcode.bf_size != 31) {
|
||||
and_(src, opcode.GetBitfieldMask());
|
||||
}
|
||||
shl(src, al);
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
static u32 Read(Engines::Maxwell3D* maxwell3d, u32 method) {
|
||||
return maxwell3d->GetRegisterValue(method);
|
||||
}
|
||||
|
||||
static void Send(Engines::Maxwell3D* maxwell3d, Macro::MethodAddress method_address, u32 value) {
|
||||
maxwell3d->CallMethodFromMME(method_address.address, value);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_Read(Macro::Opcode opcode) {
|
||||
if (optimizer.zero_reg_skip && opcode.src_a == 0) {
|
||||
if (opcode.immediate == 0) {
|
||||
xor_(RESULT, RESULT);
|
||||
} else {
|
||||
mov(RESULT, opcode.immediate);
|
||||
}
|
||||
} else {
|
||||
auto result = Compile_GetRegister(opcode.src_a, RESULT);
|
||||
if (opcode.immediate > 2) {
|
||||
add(result, opcode.immediate);
|
||||
} else if (opcode.immediate == 1) {
|
||||
inc(result);
|
||||
} else if (opcode.immediate < 0) {
|
||||
sub(result, opcode.immediate * -1);
|
||||
}
|
||||
}
|
||||
Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
||||
mov(Common::X64::ABI_PARAM1, qword[STATE]);
|
||||
mov(Common::X64::ABI_PARAM2, RESULT);
|
||||
Common::X64::CallFarFunction(*this, &Read);
|
||||
Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
||||
mov(RESULT, Common::X64::ABI_RETURN.cvt32());
|
||||
Compile_ProcessResult(opcode.result_operation, opcode.dst);
|
||||
}
|
||||
|
||||
void Tegra::MacroJITx64Impl::Compile_Send(Xbyak::Reg32 value) {
|
||||
Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
||||
mov(Common::X64::ABI_PARAM1, qword[STATE]);
|
||||
mov(Common::X64::ABI_PARAM2, METHOD_ADDRESS);
|
||||
mov(Common::X64::ABI_PARAM3, value);
|
||||
Common::X64::CallFarFunction(*this, &Send);
|
||||
Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, PersistentCallerSavedRegs(), 0);
|
||||
|
||||
Xbyak::Label dont_process{};
|
||||
// Get increment
|
||||
test(METHOD_ADDRESS, 0x3f000);
|
||||
// If zero, method address doesn't update
|
||||
je(dont_process);
|
||||
|
||||
mov(ecx, METHOD_ADDRESS);
|
||||
and_(METHOD_ADDRESS, 0xfff);
|
||||
shr(ecx, 12);
|
||||
and_(ecx, 0x3f);
|
||||
lea(eax, ptr[rcx + METHOD_ADDRESS_64]);
|
||||
sal(ecx, 12);
|
||||
or_(eax, ecx);
|
||||
|
||||
mov(METHOD_ADDRESS, eax);
|
||||
|
||||
L(dont_process);
|
||||
}
|
||||
|
||||
void Tegra::MacroJITx64Impl::Compile_Branch(Macro::Opcode opcode) {
|
||||
ASSERT_MSG(!is_delay_slot, "Executing a branch in a delay slot is not valid");
|
||||
const s32 jump_address =
|
||||
static_cast<s32>(pc) + static_cast<s32>(opcode.GetBranchTarget() / sizeof(s32));
|
||||
|
||||
Xbyak::Label end;
|
||||
auto value = Compile_GetRegister(opcode.src_a, eax);
|
||||
test(value, value);
|
||||
if (optimizer.has_delayed_pc) {
|
||||
switch (opcode.branch_condition) {
|
||||
case Macro::BranchCondition::Zero:
|
||||
jne(end, T_NEAR);
|
||||
break;
|
||||
case Macro::BranchCondition::NotZero:
|
||||
je(end, T_NEAR);
|
||||
break;
|
||||
}
|
||||
|
||||
if (opcode.branch_annul) {
|
||||
xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
jmp(labels[jump_address], T_NEAR);
|
||||
} else {
|
||||
Xbyak::Label handle_post_exit{};
|
||||
Xbyak::Label skip{};
|
||||
jmp(skip, T_NEAR);
|
||||
if (opcode.is_exit) {
|
||||
L(handle_post_exit);
|
||||
// Execute 1 instruction
|
||||
mov(BRANCH_HOLDER, end_of_code);
|
||||
// Jump to next instruction to skip delay slot check
|
||||
jmp(labels[jump_address], T_NEAR);
|
||||
} else {
|
||||
L(handle_post_exit);
|
||||
xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
jmp(labels[jump_address], T_NEAR);
|
||||
}
|
||||
L(skip);
|
||||
mov(BRANCH_HOLDER, handle_post_exit);
|
||||
jmp(delay_skip[pc], T_NEAR);
|
||||
}
|
||||
} else {
|
||||
switch (opcode.branch_condition) {
|
||||
case Macro::BranchCondition::Zero:
|
||||
je(labels[jump_address], T_NEAR);
|
||||
break;
|
||||
case Macro::BranchCondition::NotZero:
|
||||
jne(labels[jump_address], T_NEAR);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
L(end);
|
||||
}
|
||||
|
||||
void Tegra::MacroJITx64Impl::Optimizer_ScanFlags() {
|
||||
optimizer.can_skip_carry = true;
|
||||
optimizer.has_delayed_pc = false;
|
||||
for (auto raw_op : code) {
|
||||
Macro::Opcode op{};
|
||||
op.raw = raw_op;
|
||||
|
||||
if (op.operation == Macro::Operation::ALU) {
|
||||
// Scan for any ALU operations which actually use the carry flag, if they don't exist in
|
||||
// our current code we can skip emitting the carry flag handling operations
|
||||
if (op.alu_operation == Macro::ALUOperation::AddWithCarry ||
|
||||
op.alu_operation == Macro::ALUOperation::SubtractWithBorrow) {
|
||||
optimizer.can_skip_carry = false;
|
||||
}
|
||||
}
|
||||
|
||||
if (op.operation == Macro::Operation::Branch) {
|
||||
if (!op.branch_annul) {
|
||||
optimizer.has_delayed_pc = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile() {
|
||||
MICROPROFILE_SCOPE(MacroJitCompile);
|
||||
bool keep_executing = true;
|
||||
labels.fill(Xbyak::Label());
|
||||
|
||||
Common::X64::ABI_PushRegistersAndAdjustStackGPS(*this, Common::X64::ABI_ALL_CALLEE_SAVED, 8);
|
||||
// JIT state
|
||||
mov(STATE, Common::X64::ABI_PARAM1);
|
||||
mov(PARAMETERS, qword[Common::X64::ABI_PARAM1 +
|
||||
static_cast<Xbyak::uint32>(offsetof(JITState, parameters))]);
|
||||
mov(REGISTERS, Common::X64::ABI_PARAM1);
|
||||
add(REGISTERS, static_cast<Xbyak::uint32>(offsetof(JITState, registers)));
|
||||
xor_(RESULT, RESULT);
|
||||
xor_(METHOD_ADDRESS, METHOD_ADDRESS);
|
||||
xor_(NEXT_PARAMETER, NEXT_PARAMETER);
|
||||
xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
|
||||
mov(dword[REGISTERS + 4], Compile_FetchParameter());
|
||||
|
||||
// Track get register for zero registers and mark it as no-op
|
||||
optimizer.zero_reg_skip = true;
|
||||
|
||||
// AddImmediate tends to be used as a NOP instruction, if we detect this we can
|
||||
// completely skip the entire code path and no emit anything
|
||||
optimizer.skip_dummy_addimmediate = true;
|
||||
|
||||
// SMO tends to emit a lot of unnecessary method moves, we can mitigate this by only emitting
|
||||
// one if our register isn't "dirty"
|
||||
optimizer.optimize_for_method_move = true;
|
||||
|
||||
// Check to see if we can skip emitting certain instructions
|
||||
Optimizer_ScanFlags();
|
||||
|
||||
const u32 op_count = static_cast<u32>(code.size());
|
||||
for (u32 i = 0; i < op_count; i++) {
|
||||
if (i < op_count - 1) {
|
||||
pc = i + 1;
|
||||
next_opcode = GetOpCode();
|
||||
} else {
|
||||
next_opcode = {};
|
||||
}
|
||||
pc = i;
|
||||
Compile_NextInstruction();
|
||||
}
|
||||
|
||||
L(end_of_code);
|
||||
|
||||
Common::X64::ABI_PopRegistersAndAdjustStackGPS(*this, Common::X64::ABI_ALL_CALLEE_SAVED, 8);
|
||||
ret();
|
||||
ready();
|
||||
program = getCode<ProgramType>();
|
||||
}
|
||||
|
||||
bool MacroJITx64Impl::Compile_NextInstruction() {
|
||||
const auto opcode = GetOpCode();
|
||||
if (labels[pc].getAddress()) {
|
||||
return false;
|
||||
}
|
||||
|
||||
L(labels[pc]);
|
||||
|
||||
switch (opcode.operation) {
|
||||
case Macro::Operation::ALU:
|
||||
Compile_ALU(opcode);
|
||||
break;
|
||||
case Macro::Operation::AddImmediate:
|
||||
Compile_AddImmediate(opcode);
|
||||
break;
|
||||
case Macro::Operation::ExtractInsert:
|
||||
Compile_ExtractInsert(opcode);
|
||||
break;
|
||||
case Macro::Operation::ExtractShiftLeftImmediate:
|
||||
Compile_ExtractShiftLeftImmediate(opcode);
|
||||
break;
|
||||
case Macro::Operation::ExtractShiftLeftRegister:
|
||||
Compile_ExtractShiftLeftRegister(opcode);
|
||||
break;
|
||||
case Macro::Operation::Read:
|
||||
Compile_Read(opcode);
|
||||
break;
|
||||
case Macro::Operation::Branch:
|
||||
Compile_Branch(opcode);
|
||||
break;
|
||||
default:
|
||||
UNIMPLEMENTED_MSG("Unimplemented opcode {}", opcode.operation.Value());
|
||||
break;
|
||||
}
|
||||
|
||||
if (optimizer.has_delayed_pc) {
|
||||
if (opcode.is_exit) {
|
||||
mov(rax, end_of_code);
|
||||
test(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
cmove(BRANCH_HOLDER, rax);
|
||||
// Jump to next instruction to skip delay slot check
|
||||
je(labels[pc + 1], T_NEAR);
|
||||
} else {
|
||||
// TODO(ogniK): Optimize delay slot branching
|
||||
Xbyak::Label no_delay_slot{};
|
||||
test(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
je(no_delay_slot, T_NEAR);
|
||||
mov(rax, BRANCH_HOLDER);
|
||||
xor_(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
jmp(rax);
|
||||
L(no_delay_slot);
|
||||
}
|
||||
L(delay_skip[pc]);
|
||||
if (opcode.is_exit) {
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
test(BRANCH_HOLDER, BRANCH_HOLDER);
|
||||
jne(end_of_code, T_NEAR);
|
||||
if (opcode.is_exit) {
|
||||
inc(BRANCH_HOLDER);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
Xbyak::Reg32 Tegra::MacroJITx64Impl::Compile_FetchParameter() {
|
||||
mov(eax, dword[PARAMETERS + NEXT_PARAMETER * sizeof(u32)]);
|
||||
inc(NEXT_PARAMETER);
|
||||
return eax;
|
||||
}
|
||||
|
||||
Xbyak::Reg32 MacroJITx64Impl::Compile_GetRegister(u32 index, Xbyak::Reg32 dst) {
|
||||
if (index == 0) {
|
||||
// Register 0 is always zero
|
||||
xor_(dst, dst);
|
||||
} else {
|
||||
mov(dst, dword[REGISTERS + index * sizeof(u32)]);
|
||||
}
|
||||
|
||||
return dst;
|
||||
}
|
||||
|
||||
Xbyak::Reg64 Tegra::MacroJITx64Impl::Compile_GetRegister(u32 index, Xbyak::Reg64 dst) {
|
||||
if (index == 0) {
|
||||
// Register 0 is always zero
|
||||
xor_(dst, dst);
|
||||
} else {
|
||||
mov(dst, dword[REGISTERS + index * sizeof(u32)]);
|
||||
}
|
||||
|
||||
return dst;
|
||||
}
|
||||
|
||||
void Tegra::MacroJITx64Impl::Compile_WriteCarry(Xbyak::Reg64 dst) {
|
||||
Xbyak::Label zero{}, end{};
|
||||
xor_(ecx, ecx);
|
||||
shr(dst, 32);
|
||||
setne(cl);
|
||||
mov(dword[STATE + offsetof(JITState, carry_flag)], ecx);
|
||||
}
|
||||
|
||||
void MacroJITx64Impl::Compile_ProcessResult(Macro::ResultOperation operation, u32 reg) {
|
||||
auto SetRegister = [=](u32 reg, Xbyak::Reg32 result) {
|
||||
// Register 0 is supposed to always return 0. NOP is implemented as a store to the zero
|
||||
// register.
|
||||
if (reg == 0) {
|
||||
return;
|
||||
}
|
||||
mov(dword[REGISTERS + reg * sizeof(u32)], result);
|
||||
};
|
||||
auto SetMethodAddress = [=](Xbyak::Reg32 reg) { mov(METHOD_ADDRESS, reg); };
|
||||
|
||||
switch (operation) {
|
||||
case Macro::ResultOperation::IgnoreAndFetch:
|
||||
SetRegister(reg, Compile_FetchParameter());
|
||||
break;
|
||||
case Macro::ResultOperation::Move:
|
||||
SetRegister(reg, RESULT);
|
||||
break;
|
||||
case Macro::ResultOperation::MoveAndSetMethod:
|
||||
SetRegister(reg, RESULT);
|
||||
SetMethodAddress(RESULT);
|
||||
break;
|
||||
case Macro::ResultOperation::FetchAndSend:
|
||||
// Fetch parameter and send result.
|
||||
SetRegister(reg, Compile_FetchParameter());
|
||||
Compile_Send(RESULT);
|
||||
break;
|
||||
case Macro::ResultOperation::MoveAndSend:
|
||||
// Move and send result.
|
||||
SetRegister(reg, RESULT);
|
||||
Compile_Send(RESULT);
|
||||
break;
|
||||
case Macro::ResultOperation::FetchAndSetMethod:
|
||||
// Fetch parameter and use result as Method Address.
|
||||
SetRegister(reg, Compile_FetchParameter());
|
||||
SetMethodAddress(RESULT);
|
||||
break;
|
||||
case Macro::ResultOperation::MoveAndSetMethodFetchAndSend:
|
||||
// Move result and use as Method Address, then fetch and send parameter.
|
||||
SetRegister(reg, RESULT);
|
||||
SetMethodAddress(RESULT);
|
||||
Compile_Send(Compile_FetchParameter());
|
||||
break;
|
||||
case Macro::ResultOperation::MoveAndSetMethodSend:
|
||||
// Move result and use as Method Address, then send bits 12:17 of result.
|
||||
SetRegister(reg, RESULT);
|
||||
SetMethodAddress(RESULT);
|
||||
shr(RESULT, 12);
|
||||
and_(RESULT, 0b111111);
|
||||
Compile_Send(RESULT);
|
||||
break;
|
||||
default:
|
||||
UNIMPLEMENTED_MSG("Unimplemented macro operation {}", static_cast<std::size_t>(operation));
|
||||
}
|
||||
}
|
||||
|
||||
Macro::Opcode MacroJITx64Impl::GetOpCode() const {
|
||||
ASSERT(pc < code.size());
|
||||
return {code[pc]};
|
||||
}
|
||||
|
||||
std::bitset<32> MacroJITx64Impl::PersistentCallerSavedRegs() const {
|
||||
return PERSISTENT_REGISTERS & Common::X64::ABI_ALL_CALLER_SAVED;
|
||||
}
|
||||
|
||||
} // namespace Tegra
|
||||
|
|
@ -0,0 +1,100 @@
|
|||
// Copyright 2020 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
#include <bitset>
|
||||
#include <xbyak.h>
|
||||
#include "common/bit_field.h"
|
||||
#include "common/common_types.h"
|
||||
#include "common/x64/xbyak_abi.h"
|
||||
#include "video_core/macro/macro.h"
|
||||
|
||||
namespace Tegra {
|
||||
|
||||
namespace Engines {
|
||||
class Maxwell3D;
|
||||
}
|
||||
|
||||
/// MAX_CODE_SIZE is arbitrarily chosen based on current booting games
|
||||
constexpr size_t MAX_CODE_SIZE = 0x10000;
|
||||
|
||||
class MacroJITx64 final : public MacroEngine {
|
||||
public:
|
||||
explicit MacroJITx64(Engines::Maxwell3D& maxwell3d);
|
||||
|
||||
protected:
|
||||
std::unique_ptr<CachedMacro> Compile(const std::vector<u32>& code) override;
|
||||
|
||||
private:
|
||||
Engines::Maxwell3D& maxwell3d;
|
||||
};
|
||||
|
||||
class MacroJITx64Impl : public Xbyak::CodeGenerator, public CachedMacro {
|
||||
public:
|
||||
MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code);
|
||||
~MacroJITx64Impl();
|
||||
|
||||
void Execute(const std::vector<u32>& parameters, u32 method) override;
|
||||
|
||||
void Compile_ALU(Macro::Opcode opcode);
|
||||
void Compile_AddImmediate(Macro::Opcode opcode);
|
||||
void Compile_ExtractInsert(Macro::Opcode opcode);
|
||||
void Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode);
|
||||
void Compile_ExtractShiftLeftRegister(Macro::Opcode opcode);
|
||||
void Compile_Read(Macro::Opcode opcode);
|
||||
void Compile_Branch(Macro::Opcode opcode);
|
||||
|
||||
private:
|
||||
void Optimizer_ScanFlags();
|
||||
|
||||
void Compile();
|
||||
bool Compile_NextInstruction();
|
||||
|
||||
Xbyak::Reg32 Compile_FetchParameter();
|
||||
Xbyak::Reg32 Compile_GetRegister(u32 index, Xbyak::Reg32 dst);
|
||||
Xbyak::Reg64 Compile_GetRegister(u32 index, Xbyak::Reg64 dst);
|
||||
void Compile_WriteCarry(Xbyak::Reg64 dst);
|
||||
|
||||
void Compile_ProcessResult(Macro::ResultOperation operation, u32 reg);
|
||||
void Compile_Send(Xbyak::Reg32 value);
|
||||
|
||||
Macro::Opcode GetOpCode() const;
|
||||
std::bitset<32> PersistentCallerSavedRegs() const;
|
||||
|
||||
struct JITState {
|
||||
Engines::Maxwell3D* maxwell3d{};
|
||||
std::array<u32, Macro::NUM_MACRO_REGISTERS> registers{};
|
||||
const u32* parameters{};
|
||||
u32 carry_flag{};
|
||||
};
|
||||
static_assert(offsetof(JITState, maxwell3d) == 0, "Maxwell3D is not at 0x0");
|
||||
using ProgramType = void (*)(JITState*);
|
||||
|
||||
struct OptimizerState {
|
||||
bool can_skip_carry{};
|
||||
bool has_delayed_pc{};
|
||||
bool zero_reg_skip{};
|
||||
bool skip_dummy_addimmediate{};
|
||||
bool optimize_for_method_move{};
|
||||
};
|
||||
OptimizerState optimizer{};
|
||||
|
||||
std::optional<Macro::Opcode> next_opcode{};
|
||||
ProgramType program{nullptr};
|
||||
|
||||
std::array<Xbyak::Label, MAX_CODE_SIZE> labels{};
|
||||
std::array<Xbyak::Label, MAX_CODE_SIZE> delay_skip{};
|
||||
Xbyak::Label end_of_code{};
|
||||
|
||||
bool is_delay_slot{};
|
||||
u32 pc{};
|
||||
std::optional<u32> delayed_pc;
|
||||
|
||||
const std::vector<u32>& code;
|
||||
Engines::Maxwell3D& maxwell3d;
|
||||
};
|
||||
|
||||
} // namespace Tegra
|
||||
|
|
@ -533,6 +533,8 @@ void Config::ReadDebuggingValues() {
|
|||
Settings::values.quest_flag = ReadSetting(QStringLiteral("quest_flag"), false).toBool();
|
||||
Settings::values.disable_cpu_opt =
|
||||
ReadSetting(QStringLiteral("disable_cpu_opt"), false).toBool();
|
||||
Settings::values.disable_macro_jit =
|
||||
ReadSetting(QStringLiteral("disable_macro_jit"), false).toBool();
|
||||
|
||||
qt_config->endGroup();
|
||||
}
|
||||
|
|
@ -1011,6 +1013,7 @@ void Config::SaveDebuggingValues() {
|
|||
WriteSetting(QStringLiteral("dump_nso"), Settings::values.dump_nso, false);
|
||||
WriteSetting(QStringLiteral("quest_flag"), Settings::values.quest_flag, false);
|
||||
WriteSetting(QStringLiteral("disable_cpu_opt"), Settings::values.disable_cpu_opt, false);
|
||||
WriteSetting(QStringLiteral("disable_macro_jit"), Settings::values.disable_macro_jit, false);
|
||||
|
||||
qt_config->endGroup();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -39,6 +39,8 @@ void ConfigureDebug::SetConfiguration() {
|
|||
ui->disable_cpu_opt->setChecked(Settings::values.disable_cpu_opt);
|
||||
ui->enable_graphics_debugging->setEnabled(!Core::System::GetInstance().IsPoweredOn());
|
||||
ui->enable_graphics_debugging->setChecked(Settings::values.renderer_debug);
|
||||
ui->disable_macro_jit->setEnabled(!Core::System::GetInstance().IsPoweredOn());
|
||||
ui->disable_macro_jit->setChecked(Settings::values.disable_macro_jit);
|
||||
}
|
||||
|
||||
void ConfigureDebug::ApplyConfiguration() {
|
||||
|
|
@ -51,6 +53,7 @@ void ConfigureDebug::ApplyConfiguration() {
|
|||
Settings::values.quest_flag = ui->quest_flag->isChecked();
|
||||
Settings::values.disable_cpu_opt = ui->disable_cpu_opt->isChecked();
|
||||
Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked();
|
||||
Settings::values.disable_macro_jit = ui->disable_macro_jit->isChecked();
|
||||
Debugger::ToggleConsole();
|
||||
Log::Filter filter;
|
||||
filter.ParseFilterString(Settings::values.log_filter);
|
||||
|
|
|
|||
|
|
@ -148,6 +148,19 @@
|
|||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
<item>
|
||||
<widget class="QCheckBox" name="disable_macro_jit">
|
||||
<property name="enabled">
|
||||
<bool>true</bool>
|
||||
</property>
|
||||
<property name="whatsThis">
|
||||
<string>When checked, it disables the macro Just In Time compiler. Enabled this makes games run slower</string>
|
||||
</property>
|
||||
<property name="text">
|
||||
<string>Disable Macro JIT</string>
|
||||
</property>
|
||||
</widget>
|
||||
</item>
|
||||
</layout>
|
||||
</widget>
|
||||
</item>
|
||||
|
|
|
|||
|
|
@ -432,6 +432,8 @@ void Config::ReadValues() {
|
|||
Settings::values.quest_flag = sdl2_config->GetBoolean("Debugging", "quest_flag", false);
|
||||
Settings::values.disable_cpu_opt =
|
||||
sdl2_config->GetBoolean("Debugging", "disable_cpu_opt", false);
|
||||
Settings::values.disable_macro_jit =
|
||||
sdl2_config->GetBoolean("Debugging", "disable_macro_jit", false);
|
||||
|
||||
const auto title_list = sdl2_config->Get("AddOns", "title_ids", "");
|
||||
std::stringstream ss(title_list);
|
||||
|
|
|
|||
|
|
@ -291,6 +291,8 @@ quest_flag =
|
|||
# Determines whether or not JIT CPU optimizations are enabled
|
||||
# false: Optimizations Enabled, true: Optimizations Disabled
|
||||
disable_cpu_opt =
|
||||
# Enables/Disables the macro JIT compiler
|
||||
disable_macro_jit=false
|
||||
|
||||
[WebService]
|
||||
# Whether or not to enable telemetry
|
||||
|
|
|
|||
Reference in New Issue