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authorDavid Marcec <dmarcecguzman@gmail.com>2020-05-29 06:53:27 +0200
committerDavid Marcec <dmarcecguzman@gmail.com>2020-05-30 03:40:04 +0200
commitb032ebdfee1928c4458eaf15faa0cff299371e65 (patch)
tree2528faa725bf604cf3e44dc38c8f20d6f69aee70 /src/video_core/macro_interpreter.h
parentMerge pull request #4017 from ogniK5377/xbyak (diff)
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Diffstat (limited to 'src/video_core/macro_interpreter.h')
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diff --git a/src/video_core/macro_interpreter.h b/src/video_core/macro_interpreter.h
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@@ -1,109 +0,0 @@
-// Copyright 2018 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <optional>
-
-#include "common/bit_field.h"
-#include "common/common_types.h"
-
-namespace Tegra {
-namespace Engines {
-class Maxwell3D;
-}
-
-class MacroInterpreter final {
-public:
- explicit MacroInterpreter(Engines::Maxwell3D& maxwell3d);
-
- /**
- * Executes the macro code with the specified input parameters.
- * @param offset Offset to start execution at.
- * @param parameters The parameters of the macro.
- */
- void Execute(u32 offset, std::size_t num_parameters, const u32* parameters);
-
-private:
- enum class ALUOperation : u32;
- enum class BranchCondition : u32;
- enum class ResultOperation : u32;
-
- union Opcode;
-
- union MethodAddress {
- u32 raw;
- BitField<0, 12, u32> address;
- BitField<12, 6, u32> increment;
- };
-
- /// Resets the execution engine state, zeroing registers, etc.
- void Reset();
-
- /**
- * Executes a single macro instruction located at the current program counter. Returns whether
- * the interpreter should keep running.
- * @param offset Offset to start execution at.
- * @param is_delay_slot Whether the current step is being executed due to a delay slot in a
- * previous instruction.
- */
- bool Step(u32 offset, bool is_delay_slot);
-
- /// Calculates the result of an ALU operation. src_a OP src_b;
- u32 GetALUResult(ALUOperation operation, u32 src_a, u32 src_b);
-
- /// Performs the result operation on the input result and stores it in the specified register
- /// (if necessary).
- void ProcessResult(ResultOperation operation, u32 reg, u32 result);
-
- /// Evaluates the branch condition and returns whether the branch should be taken or not.
- bool EvaluateBranchCondition(BranchCondition cond, u32 value) const;
-
- /// Reads an opcode at the current program counter location.
- Opcode GetOpcode(u32 offset) const;
-
- /// Returns the specified register's value. Register 0 is hardcoded to always return 0.
- u32 GetRegister(u32 register_id) const;
-
- /// Sets the register to the input value.
- void SetRegister(u32 register_id, u32 value);
-
- /// Sets the method address to use for the next Send instruction.
- void SetMethodAddress(u32 address);
-
- /// Calls a GPU Engine method with the input parameter.
- void Send(u32 value);
-
- /// Reads a GPU register located at the method address.
- u32 Read(u32 method) const;
-
- /// Returns the next parameter in the parameter queue.
- u32 FetchParameter();
-
- Engines::Maxwell3D& maxwell3d;
-
- /// Current program counter
- u32 pc;
- /// Program counter to execute at after the delay slot is executed.
- std::optional<u32> delayed_pc;
-
- static constexpr std::size_t NumMacroRegisters = 8;
-
- /// General purpose macro registers.
- std::array<u32, NumMacroRegisters> registers = {};
-
- /// Method address to use for the next Send instruction.
- MethodAddress method_address = {};
-
- /// Input parameters of the current macro.
- std::unique_ptr<u32[]> parameters;
- std::size_t num_parameters = 0;
- std::size_t parameters_capacity = 0;
- /// Index of the next parameter that will be fetched by the 'parm' instruction.
- u32 next_parameter_index = 0;
-
- bool carry_flag = false;
-};
-} // namespace Tegra