15 changed files with 1034 additions and 189 deletions
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1src/core/settings.h
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8src/video_core/CMakeLists.txt
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19src/video_core/engines/maxwell_3d.cpp
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19src/video_core/engines/maxwell_3d.h
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45src/video_core/macro/macro.cpp
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128src/video_core/macro/macro.h
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198src/video_core/macro/macro_interpreter.cpp
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51src/video_core/macro/macro_interpreter.h
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633src/video_core/macro/macro_jit_x64.cpp
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98src/video_core/macro/macro_jit_x64.h
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3src/yuzu/configuration/config.cpp
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3src/yuzu/configuration/configure_debug.cpp
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13src/yuzu/configuration/configure_debug.ui
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2src/yuzu_cmd/config.cpp
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2src/yuzu_cmd/default_ini.h
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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, 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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// 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(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, 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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@ -0,0 +1,633 @@ |
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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 "common/microprofile.h"
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#include "common/x64/xbyak_util.h"
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#include "video_core/engines/maxwell_3d.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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MICROPROFILE_DEFINE(MacroJitCompile, "GPU", "Compile macro JIT", MP_RGB(173, 255, 47)); |
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MICROPROFILE_DEFINE(MacroJitExecute, "GPU", "Execute macro JIT", MP_RGB(255, 255, 0)); |
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namespace Tegra { |
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using JitFunction = void (MacroJITx64Impl::*)(Macro::Opcode opcode); |
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const std::array<JitFunction, 8> InstructionTable{ |
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&MacroJITx64Impl::Compile_ALU, |
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&MacroJITx64Impl::Compile_AddImmediate, |
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&MacroJITx64Impl::Compile_ExtractInsert, |
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&MacroJITx64Impl::Compile_ExtractShiftLeftImmediate, |
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&MacroJITx64Impl::Compile_ExtractShiftLeftRegister, |
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&MacroJITx64Impl::Compile_Read, |
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nullptr, |
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&MacroJITx64Impl::Compile_Branch, |
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}; |
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static const Xbyak::Reg64 PARAMETERS = Xbyak::util::r9; |
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static const Xbyak::Reg64 REGISTERS = Xbyak::util::r10; |
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static const Xbyak::Reg64 STATE = Xbyak::util::r11; |
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static const Xbyak::Reg64 NEXT_PARAMETER = Xbyak::util::r12; |
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static const Xbyak::Reg32 RESULT = Xbyak::util::r13d; |
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static const Xbyak::Reg64 RESULT_64 = Xbyak::util::r13; |
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static const Xbyak::Reg32 METHOD_ADDRESS = Xbyak::util::r14d; |
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static const Xbyak::Reg64 METHOD_ADDRESS_64 = Xbyak::util::r14; |
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static const Xbyak::Reg64 BRANCH_HOLDER = Xbyak::util::r15; |
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static const std::bitset<32> PERSISTENT_REGISTERS = Common::X64::BuildRegSet({ |
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PARAMETERS, |
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REGISTERS, |
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STATE, |
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NEXT_PARAMETER, |
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RESULT, |
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METHOD_ADDRESS, |
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BRANCH_HOLDER, |
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}); |
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MacroJITx64::MacroJITx64(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {} |
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std::unique_ptr<CachedMacro> MacroJITx64::Compile(const std::vector<u32>& code) { |
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return std::make_unique<MacroJITx64Impl>(maxwell3d, code); |
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} |
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MacroJITx64Impl::MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code) |
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: Xbyak::CodeGenerator(MAX_CODE_SIZE), code(code), maxwell3d(maxwell3d) { |
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Compile(); |
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} |
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MacroJITx64Impl::~MacroJITx64Impl() = default; |
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void MacroJITx64Impl::Execute(std::vector<u32>& parameters, u32 method) { |
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MICROPROFILE_SCOPE(MacroJitExecute); |
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ASSERT_OR_EXECUTE(program != nullptr, { return; }); |
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JITState state{}; |
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state.maxwell3d = &maxwell3d; |
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state.registers = {}; |
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state.parameters = parameters.data(); |
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program(&state); |
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} |
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void MacroJITx64Impl::Compile_ALU(Macro::Opcode opcode) { |
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const bool is_a_zero = opcode.src_a == 0; |
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const bool is_b_zero = opcode.src_b == 0; |
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const bool valid_operation = !is_a_zero && !is_b_zero; |
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const bool is_move_operation = !is_a_zero && is_b_zero; |
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const bool has_zero_register = is_a_zero || is_b_zero; |
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Xbyak::Reg64 src_a; |
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Xbyak::Reg32 src_b; |
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if (!optimizer.zero_reg_skip) { |
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src_a = Compile_GetRegister(opcode.src_a, RESULT_64); |
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src_b = Compile_GetRegister(opcode.src_b, ebx); |
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} else { |
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if (!is_a_zero) { |
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src_a = Compile_GetRegister(opcode.src_a, RESULT_64); |
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} |
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if (!is_b_zero) { |
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src_b = Compile_GetRegister(opcode.src_b, ebx); |
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} |
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} |
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Xbyak::Label skip_carry{}; |
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bool has_emitted = false; |
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switch (opcode.alu_operation) { |
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case Macro::ALUOperation::Add: |
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if (optimizer.zero_reg_skip) { |
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if (valid_operation) { |
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add(src_a, src_b); |
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} |
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} else { |
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add(src_a, src_b); |
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} |
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if (!optimizer.can_skip_carry) { |
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setc(byte[STATE + offsetof(JITState, carry_flag)]); |
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} |
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break; |
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case Macro::ALUOperation::AddWithCarry: |
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bt(dword[STATE + offsetof(JITState, carry_flag)], 0); |
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adc(src_a, src_b); |
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setc(byte[STATE + offsetof(JITState, carry_flag)]); |
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break; |
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case Macro::ALUOperation::Subtract: |
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if (optimizer.zero_reg_skip) { |
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if (valid_operation) { |
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sub(src_a, src_b); |
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has_emitted = true; |
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} |
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} else { |
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sub(src_a, src_b); |
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has_emitted = true; |
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} |
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if (!optimizer.can_skip_carry && has_emitted) { |
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setc(byte[STATE + offsetof(JITState, carry_flag)]); |
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} |
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break; |
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case Macro::ALUOperation::SubtractWithBorrow: |
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bt(dword[STATE + offsetof(JITState, carry_flag)], 0); |
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sbb(src_a, src_b); |
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setc(byte[STATE + offsetof(JITState, carry_flag)]); |
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break; |
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case Macro::ALUOperation::Xor: |
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if (optimizer.zero_reg_skip) { |
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if (valid_operation) { |
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xor_(src_a, src_b); |
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} |
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} else { |
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xor_(src_a, src_b); |
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} |
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break; |
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case Macro::ALUOperation::Or: |
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if (optimizer.zero_reg_skip) { |
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if (valid_operation) { |
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or_(src_a, src_b); |
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} |
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} else { |
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or_(src_a, src_b); |
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} |
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break; |
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case Macro::ALUOperation::And: |
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if (optimizer.zero_reg_skip) { |
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if (!has_zero_register) { |
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and_(src_a, src_b); |
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} |
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} else { |
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and_(src_a, src_b); |
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} |
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break; |
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case Macro::ALUOperation::AndNot: |
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if (optimizer.zero_reg_skip) { |
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if (!is_a_zero) { |
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not_(src_b); |
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and_(src_a, src_b); |
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} |
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} else { |
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not_(src_b); |
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and_(src_a, src_b); |
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} |
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break; |
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case Macro::ALUOperation::Nand: |
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if (optimizer.zero_reg_skip) { |
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if (!is_a_zero) { |
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and_(src_a, src_b); |
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not_(src_a); |
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} |
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} else { |
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and_(src_a, src_b); |
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not_(src_a); |
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} |
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break; |
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default: |
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UNIMPLEMENTED_MSG("Unimplemented ALU operation {}", |
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static_cast<std::size_t>(opcode.alu_operation.Value())); |
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break; |
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} |
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Compile_ProcessResult(opcode.result_operation, opcode.dst); |
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} |
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void MacroJITx64Impl::Compile_AddImmediate(Macro::Opcode opcode) { |
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if (optimizer.skip_dummy_addimmediate) { |
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// Games tend to use this as an exit instruction placeholder. It's to encode an instruction
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// without doing anything. In our case we can just not emit anything.
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if (opcode.result_operation == Macro::ResultOperation::Move && opcode.dst == 0) { |
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return; |
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} |
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} |
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// Check for redundant moves
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if (optimizer.optimize_for_method_move && |
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opcode.result_operation == Macro::ResultOperation::MoveAndSetMethod) { |
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if (next_opcode.has_value()) { |
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const auto next = *next_opcode; |
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if (next.result_operation == Macro::ResultOperation::MoveAndSetMethod) { |
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return; |
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} |
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} |
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} |
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if (optimizer.zero_reg_skip && opcode.src_a == 0) { |
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if (opcode.immediate == 0) { |
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xor_(RESULT, RESULT); |
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} else { |
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mov(RESULT, opcode.immediate); |
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} |
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} else { |
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auto result = Compile_GetRegister(opcode.src_a, RESULT); |
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if (opcode.immediate > 2) { |
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add(result, opcode.immediate); |
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} else if (opcode.immediate == 1) { |
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inc(result); |
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} else if (opcode.immediate < 0) { |
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sub(result, opcode.immediate * -1); |
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} |
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} |
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Compile_ProcessResult(opcode.result_operation, opcode.dst); |
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} |
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void MacroJITx64Impl::Compile_ExtractInsert(Macro::Opcode opcode) { |
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auto dst = Compile_GetRegister(opcode.src_a, RESULT); |
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auto src = Compile_GetRegister(opcode.src_b, eax); |
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if (opcode.bf_src_bit != 0 && opcode.bf_src_bit != 31) { |
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shr(src, opcode.bf_src_bit); |
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} else if (opcode.bf_src_bit == 31) { |
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xor_(src, src); |
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} |
||||
|
// 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]); |
||||
|
|
||||
|
const std::size_t op = static_cast<std::size_t>(opcode.operation.Value()); |
||||
|
|
||||
|
if (InstructionTable[op] == nullptr) { |
||||
|
UNIMPLEMENTED_MSG("Unimplemented opcode {}", op); |
||||
|
} else { |
||||
|
((*this).*InstructionTable[op])(opcode); |
||||
|
} |
||||
|
|
||||
|
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 +1,98 @@ |
|||||
|
// 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; |
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|
|
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private: |
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|
Engines::Maxwell3D& maxwell3d; |
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|
}; |
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|
|
||||
|
class MacroJITx64Impl : public Xbyak::CodeGenerator, public CachedMacro { |
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|
public: |
||||
|
MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code); |
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|
~MacroJITx64Impl(); |
||||
|
void Execute(std::vector<u32>& parameters, u32 method) override; |
||||
|
|
||||
|
void Compile_ALU(Macro::Opcode opcode); |
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|
void Compile_AddImmediate(Macro::Opcode opcode); |
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|
void Compile_ExtractInsert(Macro::Opcode opcode); |
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|
void Compile_ExtractShiftLeftImmediate(Macro::Opcode opcode); |
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|
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{}; |
||||
|
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 |
||||
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