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author | Lioncash <mathew1800@gmail.com> | 2019-10-15 23:36:15 +0200 |
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committer | Lioncash <mathew1800@gmail.com> | 2019-10-17 23:55:46 +0200 |
commit | 125caf5d6e233738305c25b9d570a141ee6a4b84 (patch) | |
tree | 0a16ebb50fc91213df5c6c6f91f9e005f3fac688 | |
parent | Merge pull request #2977 from lioncash/algorithm (diff) | |
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-rw-r--r-- | src/video_core/macro_interpreter.cpp | 71 | ||||
-rw-r--r-- | src/video_core/macro_interpreter.h | 80 |
2 files changed, 79 insertions, 72 deletions
diff --git a/src/video_core/macro_interpreter.cpp b/src/video_core/macro_interpreter.cpp index dbaeac6db..42031d80a 100644 --- a/src/video_core/macro_interpreter.cpp +++ b/src/video_core/macro_interpreter.cpp @@ -11,6 +11,77 @@ MICROPROFILE_DEFINE(MacroInterp, "GPU", "Execute macro interpreter", MP_RGB(128, 128, 192)); 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) {} diff --git a/src/video_core/macro_interpreter.h b/src/video_core/macro_interpreter.h index 76b6a895b..631146d89 100644 --- a/src/video_core/macro_interpreter.h +++ b/src/video_core/macro_interpreter.h @@ -6,7 +6,6 @@ #include <array> #include <optional> -#include <vector> #include "common/bit_field.h" #include "common/common_types.h" @@ -28,75 +27,11 @@ public: void Execute(u32 offset, std::size_t num_parameters, const u32* parameters); private: - 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 ALUOperation : u32; + enum class BranchCondition : u32; + enum class ResultOperation : u32; - 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; - BitField<5, 1, u32> - branch_annul; // If set on a branch, then the branch doesn't have a delay slot. - 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 Opcode; union MethodAddress { u32 raw; @@ -149,9 +84,10 @@ private: Engines::Maxwell3D& maxwell3d; - u32 pc; ///< Current program counter - std::optional<u32> - delayed_pc; ///< Program counter to execute at after the delay slot is executed. + /// 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; |