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https://github.com/elmasas/lcs-recomp
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elmasas
46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
#pragma once
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#include <cstdint>
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#include <string>
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namespace psprecomp {
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enum class OpcodeKind {
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Nop,
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Addiu, Slti, Sltiu, Andi, Ori, Xori, Lui,
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Add, Addu, Sub, Subu, And, Or, Xor, Nor, Slt, Sltu, Max, Min, Movz, Movn,
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Sll, Srl, Sra, Rotr, Sllv, Srlv, Srav, Rotrv, Clz, Clo, Ext, Ins, Seb, Seh, Bitrev, Wsbh, Wsbw, Sync,
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Lw, Lwl, Lwr, Sw, Swl, Swr, Lh, Lhu, Sh, Lb, Lbu, Sb, Lwc1, Swc1, Cache,
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Beq, Bne, Beql, Bnel, Blez, Bgtz, Blezl, Bgtzl, Bltz, Bgez, Bltzl, Bgezl, Bltzal, Bgezal, Bltzall, Bgezall, J, Jal, Jr, Jalr,
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Mfhi, Mflo, Mthi, Mtlo,
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Mult, Multu, Div, Divu,
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Mfc1, Mtc1, Cfc1, Ctc1,
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AddS, SubS, MulS, DivS, SqrtS, AbsS, MovS, NegS,
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RoundWS, TruncWS, CeilWS, FloorWS, CvtWS, CvtSW, FpuCompare,
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Bc1f, Bc1t, Bc1fl, Bc1tl, Bvf, Bvt, Bvfl, Bvtl,
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Mfv, Mtv, Vpfx, Viim, Vfim, Vh2f, Vf2h, Vf2i, Vi2f, Vx2i, VmidT, Vmmov, VfpuMatrixInit, Vidt, Vcst, Vocp, VfpuHorizontal, Vrot, Vtfm, VfpuVectorInit, VfpuVec3, Vscl, Vdot, Vhdp, Vcmp, Vminmax, VfpuCompare3, Vcmov, VfpuUnary, Vmmul, Vmscl, VcrossQuat, Lvs, Svs, Lvq, Svq,
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Syscall,
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Vflush,
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Vfpu,
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Unsupported,
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};
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struct DecodedInstruction {
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OpcodeKind kind{OpcodeKind::Unsupported};
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std::uint32_t word{};
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std::uint32_t rs{};
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std::uint32_t rt{};
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std::uint32_t rd{};
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std::uint32_t sa{};
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std::int16_t immediate{};
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std::uint32_t target{};
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std::string mnemonic;
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[[nodiscard]] bool is_control_flow() const noexcept;
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[[nodiscard]] bool has_delay_slot() const noexcept;
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};
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[[nodiscard]] DecodedInstruction decode_allegrex(std::uint32_t word);
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} // namespace psprecomp
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