Implement macro JIT

This commit is contained in:
David Marcec 2020-05-29 14:53:27 +10:00
parent 9d9ffe0f94
commit b032ebdfee
15 changed files with 1035 additions and 190 deletions

View file

@ -474,6 +474,7 @@ struct Values {
bool reporting_services; bool reporting_services;
bool quest_flag; bool quest_flag;
bool disable_cpu_opt; bool disable_cpu_opt;
bool disable_macro_jit;
// BCAT // BCAT
std::string bcat_backend; std::string bcat_backend;

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@ -25,6 +25,12 @@ add_library(video_core STATIC
engines/shader_bytecode.h engines/shader_bytecode.h
engines/shader_header.h engines/shader_header.h
engines/shader_type.h engines/shader_type.h
macro/macro.cpp
macro/macro.h
macro/macro_interpreter.cpp
macro/macro_interpreter.h
macro/macro_jit_x64.cpp
macro/macro_jit_x64.h
fence_manager.h fence_manager.h
gpu.cpp gpu.cpp
gpu.h gpu.h
@ -36,8 +42,6 @@ add_library(video_core STATIC
gpu_thread.h gpu_thread.h
guest_driver.cpp guest_driver.cpp
guest_driver.h guest_driver.h
macro_interpreter.cpp
macro_interpreter.h
memory_manager.cpp memory_manager.cpp
memory_manager.h memory_manager.h
morton.cpp morton.cpp

View file

@ -25,9 +25,8 @@ constexpr u32 MacroRegistersStart = 0xE00;
Maxwell3D::Maxwell3D(Core::System& system, VideoCore::RasterizerInterface& rasterizer, Maxwell3D::Maxwell3D(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
MemoryManager& memory_manager) MemoryManager& memory_manager)
: system{system}, rasterizer{rasterizer}, memory_manager{memory_manager}, : system{system}, rasterizer{rasterizer}, memory_manager{memory_manager},
macro_interpreter{*this}, upload_state{memory_manager, regs.upload} { macro_engine(GetMacroEngine(*this)), upload_state{memory_manager, regs.upload} {
dirty.flags.flip(); dirty.flags.flip();
InitializeRegisterDefaults(); InitializeRegisterDefaults();
} }
@ -116,7 +115,7 @@ void Maxwell3D::InitializeRegisterDefaults() {
mme_inline[MAXWELL3D_REG_INDEX(index_array.count)] = true; mme_inline[MAXWELL3D_REG_INDEX(index_array.count)] = true;
} }
void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u32* parameters) { void Maxwell3D::CallMacroMethod(u32 method, std::vector<u32>&& parameters) {
// Reset the current macro. // Reset the current macro.
executing_macro = 0; executing_macro = 0;
@ -125,7 +124,7 @@ void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u3
((method - MacroRegistersStart) >> 1) % static_cast<u32>(macro_positions.size()); ((method - MacroRegistersStart) >> 1) % static_cast<u32>(macro_positions.size());
// Execute the current macro. // Execute the current macro.
macro_interpreter.Execute(macro_positions[entry], num_parameters, parameters); macro_engine->Execute(macro_positions[entry], std::move(parameters));
if (mme_draw.current_mode != MMEDrawMode::Undefined) { if (mme_draw.current_mode != MMEDrawMode::Undefined) {
FlushMMEInlineDraw(); FlushMMEInlineDraw();
} }
@ -161,8 +160,7 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
// Call the macro when there are no more parameters in the command buffer // Call the macro when there are no more parameters in the command buffer
if (is_last_call) { if (is_last_call) {
CallMacroMethod(executing_macro, macro_params.size(), macro_params.data()); CallMacroMethod(executing_macro, std::move(macro_params));
macro_params.clear();
} }
return; return;
} }
@ -197,7 +195,7 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
break; break;
} }
case MAXWELL3D_REG_INDEX(macros.data): { case MAXWELL3D_REG_INDEX(macros.data): {
ProcessMacroUpload(arg); macro_engine->AddCode(regs.macros.upload_address, arg);
break; break;
} }
case MAXWELL3D_REG_INDEX(macros.bind): { case MAXWELL3D_REG_INDEX(macros.bind): {
@ -306,8 +304,7 @@ void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
// Call the macro when there are no more parameters in the command buffer // Call the macro when there are no more parameters in the command buffer
if (amount == methods_pending) { if (amount == methods_pending) {
CallMacroMethod(executing_macro, macro_params.size(), macro_params.data()); CallMacroMethod(executing_macro, std::move(macro_params));
macro_params.clear();
} }
return; return;
} }
@ -420,9 +417,7 @@ void Maxwell3D::FlushMMEInlineDraw() {
} }
void Maxwell3D::ProcessMacroUpload(u32 data) { void Maxwell3D::ProcessMacroUpload(u32 data) {
ASSERT_MSG(regs.macros.upload_address < macro_memory.size(), macro_engine->AddCode(regs.macros.upload_address++, data);
"upload_address exceeded macro_memory size!");
macro_memory[regs.macros.upload_address++] = data;
} }
void Maxwell3D::ProcessMacroBind(u32 data) { void Maxwell3D::ProcessMacroBind(u32 data) {

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@ -23,7 +23,7 @@
#include "video_core/engines/engine_upload.h" #include "video_core/engines/engine_upload.h"
#include "video_core/engines/shader_type.h" #include "video_core/engines/shader_type.h"
#include "video_core/gpu.h" #include "video_core/gpu.h"
#include "video_core/macro_interpreter.h" #include "video_core/macro/macro.h"
#include "video_core/textures/texture.h" #include "video_core/textures/texture.h"
namespace Core { namespace Core {
@ -1411,15 +1411,6 @@ public:
const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const override; const VideoCore::GuestDriverProfile& AccessGuestDriverProfile() const override;
/// Memory for macro code - it's undetermined how big this is, however 1MB is much larger than
/// we've seen used.
using MacroMemory = std::array<u32, 0x40000>;
/// Gets a reference to macro memory.
const MacroMemory& GetMacroMemory() const {
return macro_memory;
}
bool ShouldExecute() const { bool ShouldExecute() const {
return execute_on; return execute_on;
} }
@ -1468,16 +1459,14 @@ private:
std::array<bool, Regs::NUM_REGS> mme_inline{}; std::array<bool, Regs::NUM_REGS> mme_inline{};
/// Memory for macro code
MacroMemory macro_memory;
/// Macro method that is currently being executed / being fed parameters. /// Macro method that is currently being executed / being fed parameters.
u32 executing_macro = 0; u32 executing_macro = 0;
/// Parameters that have been submitted to the macro call so far. /// Parameters that have been submitted to the macro call so far.
std::vector<u32> macro_params; std::vector<u32> macro_params;
/// Interpreter for the macro codes uploaded to the GPU. /// Interpreter for the macro codes uploaded to the GPU.
MacroInterpreter macro_interpreter; std::unique_ptr<MacroEngine> macro_engine;
// MacroInterpreter macro_interpreter;
static constexpr u32 null_cb_data = 0xFFFFFFFF; static constexpr u32 null_cb_data = 0xFFFFFFFF;
struct { struct {
@ -1506,7 +1495,7 @@ private:
* @param num_parameters Number of arguments * @param num_parameters Number of arguments
* @param parameters Arguments to the method call * @param parameters Arguments to the method call
*/ */
void CallMacroMethod(u32 method, std::size_t num_parameters, const u32* parameters); void CallMacroMethod(u32 method, std::vector<u32>&& parameters);
/// Handles writes to the macro uploading register. /// Handles writes to the macro uploading register.
void ProcessMacroUpload(u32 data); void ProcessMacroUpload(u32 data);

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@ -0,0 +1,45 @@
// 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 "core/settings.h"
#include "video_core/macro/macro.h"
#include "video_core/macro/macro_interpreter.h"
#include "video_core/macro/macro_jit_x64.h"
namespace Tegra {
void MacroEngine::AddCode(u32 method, u32 data) {
uploaded_macro_code[method].push_back(data);
}
void MacroEngine::Execute(u32 method, std::vector<u32> parameters) {
auto compiled_macro = macro_cache.find(method);
if (compiled_macro != macro_cache.end()) {
compiled_macro->second->Execute(parameters, method);
} else {
// Macro not compiled, check if it's uploaded and if so, compile it
auto macro_code = uploaded_macro_code.find(method);
if (macro_code == uploaded_macro_code.end()) {
UNREACHABLE_MSG("Macro 0x{0:x} was not uploaded", method);
return;
}
macro_cache[method] = Compile(macro_code->second);
macro_cache[method]->Execute(parameters, method);
}
}
std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d) {
if (Settings::values.disable_macro_jit) {
return std::make_unique<MacroInterpreter>(maxwell3d);
}
#ifdef ARCHITECTURE_x86_64
return std::make_unique<MacroJITx64>(maxwell3d);
#else
return std::make_unique<MacroInterpreter>(maxwell3d);
#endif
}
} // namespace Tegra

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@ -0,0 +1,128 @@
// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include <unordered_map>
#include <vector>
#include "common/bit_field.h"
#include "common/common_types.h"
namespace Tegra {
namespace Engines {
class Maxwell3D;
}
namespace Macro {
constexpr std::size_t NUM_MACRO_REGISTERS = 8;
enum class Operation : u32 {
ALU = 0,
AddImmediate = 1,
ExtractInsert = 2,
ExtractShiftLeftImmediate = 3,
ExtractShiftLeftRegister = 4,
Read = 5,
Unused = 6, // This operation doesn't seem to be a valid encoding.
Branch = 7,
};
enum class ALUOperation : u32 {
Add = 0,
AddWithCarry = 1,
Subtract = 2,
SubtractWithBorrow = 3,
// Operations 4-7 don't seem to be valid encodings.
Xor = 8,
Or = 9,
And = 10,
AndNot = 11,
Nand = 12
};
enum class ResultOperation : u32 {
IgnoreAndFetch = 0,
Move = 1,
MoveAndSetMethod = 2,
FetchAndSend = 3,
MoveAndSend = 4,
FetchAndSetMethod = 5,
MoveAndSetMethodFetchAndSend = 6,
MoveAndSetMethodSend = 7
};
enum class BranchCondition : u32 {
Zero = 0,
NotZero = 1,
};
union Opcode {
u32 raw;
BitField<0, 3, Operation> operation;
BitField<4, 3, ResultOperation> result_operation;
BitField<4, 1, BranchCondition> branch_condition;
// If set on a branch, then the branch doesn't have a delay slot.
BitField<5, 1, u32> branch_annul;
BitField<7, 1, u32> is_exit;
BitField<8, 3, u32> dst;
BitField<11, 3, u32> src_a;
BitField<14, 3, u32> src_b;
// The signed immediate overlaps the second source operand and the alu operation.
BitField<14, 18, s32> immediate;
BitField<17, 5, ALUOperation> alu_operation;
// Bitfield instructions data
BitField<17, 5, u32> bf_src_bit;
BitField<22, 5, u32> bf_size;
BitField<27, 5, u32> bf_dst_bit;
u32 GetBitfieldMask() const {
return (1 << bf_size) - 1;
}
s32 GetBranchTarget() const {
return static_cast<s32>(immediate * sizeof(u32));
}
};
union MethodAddress {
u32 raw;
BitField<0, 12, u32> address;
BitField<12, 6, u32> increment;
};
} // namespace Macro
class CachedMacro {
public:
virtual ~CachedMacro() = default;
/**
* Executes the macro code with the specified input parameters.
* @param code The macro byte code to execute
* @param parameters The parameters of the macro
*/
virtual void Execute(std::vector<u32>& parameters, u32 method) = 0;
};
class MacroEngine {
public:
virtual ~MacroEngine() = default;
// Store the uploaded macro code to compile them when they're called.
void AddCode(u32 method, u32 data);
// Compiles the macro if its not in the cache, and executes the compiled macro
void Execute(u32 method, std::vector<u32> parameters);
protected:
virtual std::unique_ptr<CachedMacro> Compile(const std::vector<u32>& code) = 0;
private:
std::unordered_map<u32, std::unique_ptr<CachedMacro>> macro_cache;
std::unordered_map<u32, std::vector<u32>> uploaded_macro_code;
};
std::unique_ptr<MacroEngine> GetMacroEngine(Engines::Maxwell3D& maxwell3d);
} // namespace Tegra

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@ -1,4 +1,4 @@
// Copyright 2018 yuzu Emulator Project // Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
@ -6,109 +6,46 @@
#include "common/logging/log.h" #include "common/logging/log.h"
#include "common/microprofile.h" #include "common/microprofile.h"
#include "video_core/engines/maxwell_3d.h" #include "video_core/engines/maxwell_3d.h"
#include "video_core/macro_interpreter.h" #include "video_core/macro/macro_interpreter.h"
MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192)); MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192));
namespace Tegra { namespace Tegra {
namespace {
enum class Operation : u32 {
ALU = 0,
AddImmediate = 1,
ExtractInsert = 2,
ExtractShiftLeftImmediate = 3,
ExtractShiftLeftRegister = 4,
Read = 5,
Unused = 6, // This operation doesn't seem to be a valid encoding.
Branch = 7,
};
} // Anonymous namespace
enum class MacroInterpreter::ALUOperation : u32 {
Add = 0,
AddWithCarry = 1,
Subtract = 2,
SubtractWithBorrow = 3,
// Operations 4-7 don't seem to be valid encodings.
Xor = 8,
Or = 9,
And = 10,
AndNot = 11,
Nand = 12
};
enum class MacroInterpreter::ResultOperation : u32 {
IgnoreAndFetch = 0,
Move = 1,
MoveAndSetMethod = 2,
FetchAndSend = 3,
MoveAndSend = 4,
FetchAndSetMethod = 5,
MoveAndSetMethodFetchAndSend = 6,
MoveAndSetMethodSend = 7
};
enum class MacroInterpreter::BranchCondition : u32 {
Zero = 0,
NotZero = 1,
};
union MacroInterpreter::Opcode {
u32 raw;
BitField<0, 3, Operation> operation;
BitField<4, 3, ResultOperation> result_operation;
BitField<4, 1, BranchCondition> branch_condition;
// If set on a branch, then the branch doesn't have a delay slot.
BitField<5, 1, u32> branch_annul;
BitField<7, 1, u32> is_exit;
BitField<8, 3, u32> dst;
BitField<11, 3, u32> src_a;
BitField<14, 3, u32> src_b;
// The signed immediate overlaps the second source operand and the alu operation.
BitField<14, 18, s32> immediate;
BitField<17, 5, ALUOperation> alu_operation;
// Bitfield instructions data
BitField<17, 5, u32> bf_src_bit;
BitField<22, 5, u32> bf_size;
BitField<27, 5, u32> bf_dst_bit;
u32 GetBitfieldMask() const {
return (1 << bf_size) - 1;
}
s32 GetBranchTarget() const {
return static_cast<s32>(immediate * sizeof(u32));
}
};
MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {} MacroInterpreter::MacroInterpreter(Engines::Maxwell3D& maxwell3d) : maxwell3d(maxwell3d) {}
void MacroInterpreter::Execute(u32 offset, std::size_t num_parameters, const u32* parameters) { std::unique_ptr<CachedMacro> MacroInterpreter::Compile(const std::vector<u32>& code) {
return std::make_unique<MacroInterpreterImpl>(maxwell3d, code);
}
MacroInterpreterImpl::MacroInterpreterImpl(Engines::Maxwell3D& maxwell3d,
const std::vector<u32>& code)
: maxwell3d(maxwell3d), code(code) {}
void MacroInterpreterImpl::Execute(std::vector<u32>& parameters, u32 method) {
MICROPROFILE_SCOPE(MacroInterp); MICROPROFILE_SCOPE(MacroInterp);
Reset(); Reset();
registers[1] = parameters[0]; registers[1] = parameters[0];
num_parameters = parameters.size();
if (num_parameters > parameters_capacity) { if (num_parameters > parameters_capacity) {
parameters_capacity = num_parameters; parameters_capacity = num_parameters;
this->parameters = std::make_unique<u32[]>(num_parameters); this->parameters = std::make_unique<u32[]>(num_parameters);
} }
std::memcpy(this->parameters.get(), parameters, num_parameters * sizeof(u32)); std::memcpy(this->parameters.get(), parameters.data(), num_parameters * sizeof(u32));
this->num_parameters = num_parameters; this->num_parameters = num_parameters;
// Execute the code until we hit an exit condition. // Execute the code until we hit an exit condition.
bool keep_executing = true; bool keep_executing = true;
while (keep_executing) { while (keep_executing) {
keep_executing = Step(offset, false); keep_executing = Step(false);
} }
// Assert the the macro used all the input parameters // Assert the the macro used all the input parameters
ASSERT(next_parameter_index == num_parameters); ASSERT(next_parameter_index == num_parameters);
} }
void MacroInterpreter::Reset() { void MacroInterpreterImpl::Reset() {
registers = {}; registers = {};
pc = 0; pc = 0;
delayed_pc = {}; delayed_pc = {};
@ -120,10 +57,10 @@ void MacroInterpreter::Reset() {
carry_flag = false; carry_flag = false;
} }
bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) { bool MacroInterpreterImpl::Step(bool is_delay_slot) {
u32 base_address = pc; u32 base_address = pc;
Opcode opcode = GetOpcode(offset); Macro::Opcode opcode = GetOpcode();
pc += 4; pc += 4;
// Update the program counter if we were delayed // Update the program counter if we were delayed
@ -134,18 +71,18 @@ bool MacroInterpreter::Step(u32 offset, bool is_delay_slot) {
} }
switch (opcode.operation) { switch (opcode.operation) {
case Operation::ALU: { case Macro::Operation::ALU: {
u32 result = GetALUResult(opcode.alu_operation, GetRegister(opcode.src_a), u32 result = GetALUResult(opcode.alu_operation, GetRegister(opcode.src_a),
GetRegister(opcode.src_b)); GetRegister(opcode.src_b));
ProcessResult(opcode.result_operation, opcode.dst, result); ProcessResult(opcode.result_operation, opcode.dst, result);
break; break;
} }
case Operation::AddImmediate: { case Macro::Operation::AddImmediate: {
ProcessResult(opcode.result_operation, opcode.dst, ProcessResult(opcode.result_operation, opcode.dst,
GetRegister(opcode.src_a) + opcode.immediate); GetRegister(opcode.src_a) + opcode.immediate);
break; break;
} }
case Operation::ExtractInsert: { case Macro::Operation::ExtractInsert: {
u32 dst = GetRegister(opcode.src_a); u32 dst = GetRegister(opcode.src_a);
u32 src = GetRegister(opcode.src_b); 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); ProcessResult(opcode.result_operation, opcode.dst, dst);
break; break;
} }
case Operation::ExtractShiftLeftImmediate: { case Macro::Operation::ExtractShiftLeftImmediate: {
u32 dst = GetRegister(opcode.src_a); u32 dst = GetRegister(opcode.src_a);
u32 src = GetRegister(opcode.src_b); 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); ProcessResult(opcode.result_operation, opcode.dst, result);
break; break;
} }
case Operation::ExtractShiftLeftRegister: { case Macro::Operation::ExtractShiftLeftRegister: {
u32 dst = GetRegister(opcode.src_a); u32 dst = GetRegister(opcode.src_a);
u32 src = GetRegister(opcode.src_b); 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); ProcessResult(opcode.result_operation, opcode.dst, result);
break; break;
} }
case Operation::Read: { case Macro::Operation::Read: {
u32 result = Read(GetRegister(opcode.src_a) + opcode.immediate); u32 result = Read(GetRegister(opcode.src_a) + opcode.immediate);
ProcessResult(opcode.result_operation, opcode.dst, result); ProcessResult(opcode.result_operation, opcode.dst, result);
break; break;
} }
case Operation::Branch: { case Macro::Operation::Branch: {
ASSERT_MSG(!is_delay_slot, "Executing a branch in a delay slot is not valid"); ASSERT_MSG(!is_delay_slot, "Executing a branch in a delay slot is not valid");
u32 value = GetRegister(opcode.src_a); u32 value = GetRegister(opcode.src_a);
bool taken = EvaluateBranchCondition(opcode.branch_condition, value); 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(); delayed_pc = base_address + opcode.GetBranchTarget();
// Execute one more instruction due to the delay slot. // Execute one more instruction due to the delay slot.
return Step(offset, true); return Step(true);
} }
break; 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. // cause an exit if it's executed inside a delay slot.
if (opcode.is_exit && !is_delay_slot) { if (opcode.is_exit && !is_delay_slot) {
// Exit has a delay slot, execute the next instruction // Exit has a delay slot, execute the next instruction
Step(offset, true); Step(true);
return false; return false;
} }
return true; return true;
} }
MacroInterpreter::Opcode MacroInterpreter::GetOpcode(u32 offset) const { u32 MacroInterpreterImpl::GetALUResult(Macro::ALUOperation operation, u32 src_a, u32 src_b) {
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) {
switch (operation) { switch (operation) {
case ALUOperation::Add: { case Macro::ALUOperation::Add: {
const u64 result{static_cast<u64>(src_a) + src_b}; const u64 result{static_cast<u64>(src_a) + src_b};
carry_flag = result > 0xffffffff; carry_flag = result > 0xffffffff;
return static_cast<u32>(result); 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)}; const u64 result{static_cast<u64>(src_a) + src_b + (carry_flag ? 1ULL : 0ULL)};
carry_flag = result > 0xffffffff; carry_flag = result > 0xffffffff;
return static_cast<u32>(result); return static_cast<u32>(result);
} }
case ALUOperation::Subtract: { case Macro::ALUOperation::Subtract: {
const u64 result{static_cast<u64>(src_a) - src_b}; const u64 result{static_cast<u64>(src_a) - src_b};
carry_flag = result < 0x100000000; carry_flag = result < 0x100000000;
return static_cast<u32>(result); 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)}; const u64 result{static_cast<u64>(src_a) - src_b - (carry_flag ? 0ULL : 1ULL)};
carry_flag = result < 0x100000000; carry_flag = result < 0x100000000;
return static_cast<u32>(result); return static_cast<u32>(result);
} }
case ALUOperation::Xor: case Macro::ALUOperation::Xor:
return src_a ^ src_b; return src_a ^ src_b;
case ALUOperation::Or: case Macro::ALUOperation::Or:
return src_a | src_b; return src_a | src_b;
case ALUOperation::And: case Macro::ALUOperation::And:
return src_a & src_b; return src_a & src_b;
case ALUOperation::AndNot: case Macro::ALUOperation::AndNot:
return src_a & ~src_b; return src_a & ~src_b;
case ALUOperation::Nand: case Macro::ALUOperation::Nand:
return ~(src_a & src_b); return ~(src_a & src_b);
default: 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) { switch (operation) {
case ResultOperation::IgnoreAndFetch: case Macro::ResultOperation::IgnoreAndFetch:
// Fetch parameter and ignore result. // Fetch parameter and ignore result.
SetRegister(reg, FetchParameter()); SetRegister(reg, FetchParameter());
break; break;
case ResultOperation::Move: case Macro::ResultOperation::Move:
// Move result. // Move result.
SetRegister(reg, result); SetRegister(reg, result);
break; break;
case ResultOperation::MoveAndSetMethod: case Macro::ResultOperation::MoveAndSetMethod:
// Move result and use as Method Address. // Move result and use as Method Address.
SetRegister(reg, result); SetRegister(reg, result);
SetMethodAddress(result); SetMethodAddress(result);
break; break;
case ResultOperation::FetchAndSend: case Macro::ResultOperation::FetchAndSend:
// Fetch parameter and send result. // Fetch parameter and send result.
SetRegister(reg, FetchParameter()); SetRegister(reg, FetchParameter());
Send(result); Send(result);
break; break;
case ResultOperation::MoveAndSend: case Macro::ResultOperation::MoveAndSend:
// Move and send result. // Move and send result.
SetRegister(reg, result); SetRegister(reg, result);
Send(result); Send(result);
break; break;
case ResultOperation::FetchAndSetMethod: case Macro::ResultOperation::FetchAndSetMethod:
// Fetch parameter and use result as Method Address. // Fetch parameter and use result as Method Address.
SetRegister(reg, FetchParameter()); SetRegister(reg, FetchParameter());
SetMethodAddress(result); SetMethodAddress(result);
break; break;
case ResultOperation::MoveAndSetMethodFetchAndSend: case Macro::ResultOperation::MoveAndSetMethodFetchAndSend:
// Move result and use as Method Address, then fetch and send parameter. // Move result and use as Method Address, then fetch and send parameter.
SetRegister(reg, result); SetRegister(reg, result);
SetMethodAddress(result); SetMethodAddress(result);
Send(FetchParameter()); Send(FetchParameter());
break; break;
case ResultOperation::MoveAndSetMethodSend: case Macro::ResultOperation::MoveAndSetMethodSend:
// Move result and use as Method Address, then send bits 12:17 of result. // Move result and use as Method Address, then send bits 12:17 of result.
SetRegister(reg, result); SetRegister(reg, result);
SetMethodAddress(result); SetMethodAddress(result);
@ -304,16 +234,28 @@ void MacroInterpreter::ProcessResult(ResultOperation operation, u32 reg, u32 res
} }
} }
u32 MacroInterpreter::FetchParameter() { bool MacroInterpreterImpl::EvaluateBranchCondition(Macro::BranchCondition cond, u32 value) const {
ASSERT(next_parameter_index < num_parameters); switch (cond) {
return parameters[next_parameter_index++]; 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); 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. // Register 0 is hardwired as the zero register.
// Ensure no writes to it actually occur. // Ensure no writes to it actually occur.
if (register_id == 0) { if (register_id == 0) {
@ -323,30 +265,24 @@ void MacroInterpreter::SetRegister(u32 register_id, u32 value) {
registers.at(register_id) = value; registers.at(register_id) = value;
} }
void MacroInterpreter::SetMethodAddress(u32 address) { void MacroInterpreterImpl::SetMethodAddress(u32 address) {
method_address.raw = address; method_address.raw = address;
} }
void MacroInterpreter::Send(u32 value) { void MacroInterpreterImpl::Send(u32 value) {
maxwell3d.CallMethodFromMME(method_address.address, value); maxwell3d.CallMethodFromMME(method_address.address, value);
// Increment the method address by the method increment. // Increment the method address by the method increment.
method_address.address.Assign(method_address.address.Value() + method_address.address.Assign(method_address.address.Value() +
method_address.increment.Value()); method_address.increment.Value());
} }
u32 MacroInterpreter::Read(u32 method) const { u32 MacroInterpreterImpl::Read(u32 method) const {
return maxwell3d.GetRegisterValue(method); return maxwell3d.GetRegisterValue(method);
} }
bool MacroInterpreter::EvaluateBranchCondition(BranchCondition cond, u32 value) const { u32 MacroInterpreterImpl::FetchParameter() {
switch (cond) { ASSERT(next_parameter_index < num_parameters);
case BranchCondition::Zero: return parameters[next_parameter_index++];
return value == 0;
case BranchCondition::NotZero:
return value != 0;
}
UNREACHABLE();
return true;
} }
} // namespace Tegra } // namespace Tegra

View file

@ -1,44 +1,37 @@
// Copyright 2018 yuzu Emulator Project // Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version // Licensed under GPLv2 or any later version
// Refer to the license.txt file included. // Refer to the license.txt file included.
#pragma once #pragma once
#include <array> #include <array>
#include <optional> #include <optional>
#include <vector>
#include "common/bit_field.h" #include "common/bit_field.h"
#include "common/common_types.h" #include "common/common_types.h"
#include "video_core/macro/macro.h"
namespace Tegra { namespace Tegra {
namespace Engines { namespace Engines {
class Maxwell3D; class Maxwell3D;
} }
class MacroInterpreter final { class MacroInterpreter final : public MacroEngine {
public: public:
explicit MacroInterpreter(Engines::Maxwell3D& maxwell3d); explicit MacroInterpreter(Engines::Maxwell3D& maxwell3d);
/** protected:
* Executes the macro code with the specified input parameters. std::unique_ptr<CachedMacro> Compile(const std::vector<u32>& code) override;
* @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);
private: private:
enum class ALUOperation : u32; Engines::Maxwell3D& maxwell3d;
enum class BranchCondition : u32;
enum class ResultOperation : u32;
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(std::vector<u32>& parameters, u32 method) override;
private:
/// Resets the execution engine state, zeroing registers, etc. /// Resets the execution engine state, zeroing registers, etc.
void Reset(); 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 * @param is_delay_slot Whether the current step is being executed due to a delay slot in a
* previous instruction. * 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; /// 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 /// Performs the result operation on the input result and stores it in the specified register
/// (if necessary). /// (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. /// 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. /// 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. /// Returns the specified register's value. Register 0 is hardcoded to always return 0.
u32 GetRegister(u32 register_id) const; u32 GetRegister(u32 register_id) const;
@ -89,13 +82,11 @@ private:
/// Program counter to execute at after the delay slot is executed. /// Program counter to execute at after the delay slot is executed.
std::optional<u32> delayed_pc; std::optional<u32> delayed_pc;
static constexpr std::size_t NumMacroRegisters = 8;
/// General purpose macro registers. /// 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. /// Method address to use for the next Send instruction.
MethodAddress method_address = {}; Macro::MethodAddress method_address = {};
/// Input parameters of the current macro. /// Input parameters of the current macro.
std::unique_ptr<u32[]> parameters; std::unique_ptr<u32[]> parameters;
@ -105,5 +96,7 @@ private:
u32 next_parameter_index = 0; u32 next_parameter_index = 0;
bool carry_flag = false; bool carry_flag = false;
const std::vector<u32>& code;
}; };
} // namespace Tegra } // namespace Tegra

View file

@ -0,0 +1,633 @@
// 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 {
using JitFunction = void (MacroJITx64Impl::*)(Macro::Opcode opcode);
const std::array<JitFunction, 8> InstructionTable{
&MacroJITx64Impl::Compile_ALU,
&MacroJITx64Impl::Compile_AddImmediate,
&MacroJITx64Impl::Compile_ExtractInsert,
&MacroJITx64Impl::Compile_ExtractShiftLeftImmediate,
&MacroJITx64Impl::Compile_ExtractShiftLeftRegister,
&MacroJITx64Impl::Compile_Read,
nullptr,
&MacroJITx64Impl::Compile_Branch,
};
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(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]);
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

View file

@ -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;
private:
Engines::Maxwell3D& maxwell3d;
};
class MacroJITx64Impl : public Xbyak::CodeGenerator, public CachedMacro {
public:
MacroJITx64Impl(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& code);
~MacroJITx64Impl();
void Execute(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{};
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

View file

@ -533,6 +533,8 @@ void Config::ReadDebuggingValues() {
Settings::values.quest_flag = ReadSetting(QStringLiteral("quest_flag"), false).toBool(); Settings::values.quest_flag = ReadSetting(QStringLiteral("quest_flag"), false).toBool();
Settings::values.disable_cpu_opt = Settings::values.disable_cpu_opt =
ReadSetting(QStringLiteral("disable_cpu_opt"), false).toBool(); ReadSetting(QStringLiteral("disable_cpu_opt"), false).toBool();
Settings::values.disable_macro_jit =
ReadSetting(QStringLiteral("disable_macro_jit"), false).toBool();
qt_config->endGroup(); qt_config->endGroup();
} }
@ -1011,6 +1013,7 @@ void Config::SaveDebuggingValues() {
WriteSetting(QStringLiteral("dump_nso"), Settings::values.dump_nso, false); WriteSetting(QStringLiteral("dump_nso"), Settings::values.dump_nso, false);
WriteSetting(QStringLiteral("quest_flag"), Settings::values.quest_flag, false); WriteSetting(QStringLiteral("quest_flag"), Settings::values.quest_flag, false);
WriteSetting(QStringLiteral("disable_cpu_opt"), Settings::values.disable_cpu_opt, 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(); qt_config->endGroup();
} }

View file

@ -39,6 +39,8 @@ void ConfigureDebug::SetConfiguration() {
ui->disable_cpu_opt->setChecked(Settings::values.disable_cpu_opt); ui->disable_cpu_opt->setChecked(Settings::values.disable_cpu_opt);
ui->enable_graphics_debugging->setEnabled(!Core::System::GetInstance().IsPoweredOn()); ui->enable_graphics_debugging->setEnabled(!Core::System::GetInstance().IsPoweredOn());
ui->enable_graphics_debugging->setChecked(Settings::values.renderer_debug); 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() { void ConfigureDebug::ApplyConfiguration() {
@ -51,6 +53,7 @@ void ConfigureDebug::ApplyConfiguration() {
Settings::values.quest_flag = ui->quest_flag->isChecked(); Settings::values.quest_flag = ui->quest_flag->isChecked();
Settings::values.disable_cpu_opt = ui->disable_cpu_opt->isChecked(); Settings::values.disable_cpu_opt = ui->disable_cpu_opt->isChecked();
Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked(); Settings::values.renderer_debug = ui->enable_graphics_debugging->isChecked();
Settings::values.disable_macro_jit = ui->disable_macro_jit->isChecked();
Debugger::ToggleConsole(); Debugger::ToggleConsole();
Log::Filter filter; Log::Filter filter;
filter.ParseFilterString(Settings::values.log_filter); filter.ParseFilterString(Settings::values.log_filter);

View file

@ -148,6 +148,19 @@
</property> </property>
</widget> </widget>
</item> </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> </layout>
</widget> </widget>
</item> </item>

View file

@ -432,6 +432,8 @@ void Config::ReadValues() {
Settings::values.quest_flag = sdl2_config->GetBoolean("Debugging", "quest_flag", false); Settings::values.quest_flag = sdl2_config->GetBoolean("Debugging", "quest_flag", false);
Settings::values.disable_cpu_opt = Settings::values.disable_cpu_opt =
sdl2_config->GetBoolean("Debugging", "disable_cpu_opt", false); 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", ""); const auto title_list = sdl2_config->Get("AddOns", "title_ids", "");
std::stringstream ss(title_list); std::stringstream ss(title_list);

View file

@ -291,6 +291,8 @@ quest_flag =
# Determines whether or not JIT CPU optimizations are enabled # Determines whether or not JIT CPU optimizations are enabled
# false: Optimizations Enabled, true: Optimizations Disabled # false: Optimizations Enabled, true: Optimizations Disabled
disable_cpu_opt = disable_cpu_opt =
# Enables/Disables the macro JIT compiler
disable_macro_jit=false
[WebService] [WebService]
# Whether or not to enable telemetry # Whether or not to enable telemetry