// Copyright 2013 Dolphin Emulator Project // Licensed under GPLv2 // Refer to the license.txt file included. #pragma once #include "Common/ArmCommon.h" #include "Common/BitSet.h" #include "Common/CodeBlock.h" #include "Common/Common.h" namespace Arm64Gen { // X30 serves a dual purpose as a link register // Encoded as // Types: // 000 - 32bit GPR // 001 - 64bit GPR // 010 - VFP single precision // 100 - VFP double precision // 110 - VFP quad precision enum ARM64Reg { // 32bit registers W0 = 0, W1, W2, W3, W4, W5, W6, W7, W8, W9, W10, W11, W12, W13, W14, W15, W16, W17, W18, W19, W20, W21, W22, W23, W24, W25, W26, W27, W28, W29, W30, WSP, // 32bit stack pointer // 64bit registers X0 = 0x20, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28, X29, X30, SP, // 64bit stack pointer // VFP single precision registers S0 = 0x40, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14, S15, S16, S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27, S28, S29, S30, S31, // VFP Double Precision registers D0 = 0x80, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15, D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30, D31, // ASIMD Quad-Word registers Q0 = 0xC0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15, Q16, Q17, Q18, Q19, Q20, Q21, Q22, Q23, Q24, Q25, Q26, Q27, Q28, Q29, Q30, Q31, // For PRFM(prefetch memory) encoding // This is encoded in the Rt register // Data preload PLDL1KEEP = 0, PLDL1STRM, PLDL2KEEP, PLDL2STRM, PLDL3KEEP, PLDL3STRM, // Instruction preload PLIL1KEEP = 8, PLIL1STRM, PLIL2KEEP, PLIL2STRM, PLIL3KEEP, PLIL3STRM, // Prepare for store PLTL1KEEP = 16, PLTL1STRM, PLTL2KEEP, PLTL2STRM, PLTL3KEEP, PLTL3STRM, INVALID_REG = 0xFFFFFFFF }; inline bool Is64Bit(ARM64Reg reg) { return reg & 0x20; } inline bool Is128Bit(ARM64Reg reg) { return reg & 0xC0; } inline bool IsVector(ARM64Reg reg) { return (reg & 0xC0) != 0; } inline ARM64Reg DecodeReg(ARM64Reg reg) { return (ARM64Reg)(reg & 0x1F); } inline ARM64Reg EncodeRegTo64(ARM64Reg reg) { return (ARM64Reg)(reg | 0x20); } enum OpType { TYPE_IMM = 0, TYPE_REG, TYPE_IMMSREG, TYPE_RSR, TYPE_MEM }; enum ShiftType { ST_LSL = 0, ST_LSR = 1, ST_ASR = 2, ST_ROR = 3, }; enum IndexType { INDEX_UNSIGNED, INDEX_POST, INDEX_PRE, }; enum ShiftAmount { SHIFT_0 = 0, SHIFT_16 = 1, SHIFT_32 = 2, SHIFT_48 = 3, }; enum ExtendType { EXTEND_UXTW = 2, EXTEND_LSL = 3, // Default for zero shift amount EXTEND_SXTW = 6, EXTEND_SXTX = 7, }; struct FixupBranch { u8* ptr; // Type defines // 0 = CBZ (32bit) // 1 = CBNZ (32bit) // 2 = B (conditional) // 3 = TBZ // 4 = TBNZ // 5 = B (unconditional) // 6 = BL (unconditional) u32 type; // Used with B.cond CCFlags cond; // Used with TBZ/TBNZ u8 bit; // Used with Test/Compare and Branch ARM64Reg reg; }; enum PStateField { FIELD_SPSel = 0, FIELD_DAIFSet, FIELD_DAIFClr, }; enum SystemHint { HINT_NOP = 0, HINT_YIELD, HINT_WFE, HINT_WFI, HINT_SEV, HINT_SEVL, }; enum BarrierType { OSHLD = 1, OSHST = 2, OSH = 3, NSHLD = 5, NSHST = 6, NSH = 7, ISHLD = 9, ISHST = 10, ISH = 11, LD = 13, ST = 14, SY = 15, }; class ArithOption { public: enum WidthSpecifier { WIDTH_DEFAULT, WIDTH_32BIT, WIDTH_64BIT, }; enum ExtendSpecifier { EXTEND_UXTB = 0x0, EXTEND_UXTH = 0x1, EXTEND_UXTW = 0x2, /* Also LSL on 32bit width */ EXTEND_UXTX = 0x3, /* Also LSL on 64bit width */ EXTEND_SXTB = 0x4, EXTEND_SXTH = 0x5, EXTEND_SXTW = 0x6, EXTEND_SXTX = 0x7, }; enum TypeSpecifier { TYPE_EXTENDEDREG, TYPE_IMM, TYPE_SHIFTEDREG, }; private: ARM64Reg m_destReg; WidthSpecifier m_width; ExtendSpecifier m_extend; TypeSpecifier m_type; ShiftType m_shifttype; u32 m_shift; public: ArithOption(ARM64Reg Rd) { m_destReg = Rd; m_shift = 0; m_type = TYPE_EXTENDEDREG; if (Is64Bit(Rd)) { m_width = WIDTH_64BIT; m_extend = EXTEND_UXTX; } else { m_width = WIDTH_32BIT; m_extend = EXTEND_UXTW; } } ArithOption(ARM64Reg Rd, ShiftType shift_type, u32 shift) { m_destReg = Rd; m_shift = shift; m_shifttype = shift_type; m_type = TYPE_SHIFTEDREG; if (Is64Bit(Rd)) m_width = WIDTH_64BIT; else m_width = WIDTH_32BIT; } TypeSpecifier GetType() const { return m_type; } u32 GetData() const { switch (m_type) { case TYPE_EXTENDEDREG: return (m_width == WIDTH_64BIT ? (1 << 31) : 0) | (m_extend << 13) | (m_shift << 10); break; case TYPE_SHIFTEDREG: return (m_width == WIDTH_64BIT ? (1 << 31) : 0) | (m_shifttype << 22) | (m_shift << 10); break; default: _dbg_assert_msg_(DYNA_REC, false, "Invalid type in GetData"); break; } return 0; } }; class ARM64XEmitter { private: u8* m_code; u8* m_startcode; u8* m_lastCacheFlushEnd; void EncodeCompareBranchInst(u32 op, ARM64Reg Rt, const void* ptr); void EncodeTestBranchInst(u32 op, ARM64Reg Rt, u8 bits, const void* ptr); void EncodeUnconditionalBranchInst(u32 op, const void* ptr); void EncodeUnconditionalBranchInst(u32 opc, u32 op2, u32 op3, u32 op4, ARM64Reg Rn); void EncodeExceptionInst(u32 instenc, u32 imm); void EncodeSystemInst(u32 op0, u32 op1, u32 CRn, u32 CRm, u32 op2, ARM64Reg Rt); void EncodeArithmeticInst(u32 instenc, bool flags, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void EncodeArithmeticCarryInst(u32 op, bool flags, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void EncodeCondCompareImmInst(u32 op, ARM64Reg Rn, u32 imm, u32 nzcv, CCFlags cond); void EncodeCondCompareRegInst(u32 op, ARM64Reg Rn, ARM64Reg Rm, u32 nzcv, CCFlags cond); void EncodeCondSelectInst(u32 instenc, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond); void EncodeData1SrcInst(u32 instenc, ARM64Reg Rd, ARM64Reg Rn); void EncodeData2SrcInst(u32 instenc, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void EncodeData3SrcInst(u32 instenc, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void EncodeLogicalInst(u32 instenc, ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void EncodeLoadRegisterInst(u32 bitop, ARM64Reg Rt, u32 imm); void EncodeLoadStoreExcInst(u32 instenc, ARM64Reg Rs, ARM64Reg Rt2, ARM64Reg Rn, ARM64Reg Rt); void EncodeLoadStorePairedInst(u32 op, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, u32 imm); void EncodeLoadStoreIndexedInst(u32 op, u32 op2, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void EncodeLoadStoreIndexedInst(u32 op, ARM64Reg Rt, ARM64Reg Rn, s32 imm, u8 size); void EncodeMOVWideInst(u32 op, ARM64Reg Rd, u32 imm, ShiftAmount pos); void EncodeBitfieldMOVInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void EncodeLoadStoreRegisterOffset(u32 size, u32 opc, ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend); void EncodeAddSubImmInst(u32 op, bool flags, u32 shift, u32 imm, ARM64Reg Rn, ARM64Reg Rd); void EncodeLogicalImmInst(u32 op, ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void EncodeLoadStorePair(u32 op, u32 load, IndexType type, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, s32 imm); void EncodeAddressInst(u32 op, ARM64Reg Rd, s32 imm); protected: inline void Write32(u32 value) { *(u32*)m_code = value; m_code += 4; } public: ARM64XEmitter() : m_code(nullptr), m_startcode(nullptr), m_lastCacheFlushEnd(nullptr) { } ARM64XEmitter(u8* code_ptr) { m_code = code_ptr; m_lastCacheFlushEnd = code_ptr; m_startcode = code_ptr; } virtual ~ARM64XEmitter() { } void SetCodePtr(u8* ptr); void ReserveCodeSpace(u32 bytes); const u8* AlignCode16(); const u8* AlignCodePage(); const u8* GetCodePtr() const; void FlushIcache(); void FlushIcacheSection(u8* start, u8* end); u8* GetWritableCodePtr(); // FixupBranch branching void SetJumpTarget(FixupBranch const& branch); FixupBranch CBZ(ARM64Reg Rt); FixupBranch CBNZ(ARM64Reg Rt); FixupBranch B(CCFlags cond); FixupBranch TBZ(ARM64Reg Rt, u8 bit); FixupBranch TBNZ(ARM64Reg Rt, u8 bit); FixupBranch B(); FixupBranch BL(); // Compare and Branch void CBZ(ARM64Reg Rt, const void* ptr); void CBNZ(ARM64Reg Rt, const void* ptr); // Conditional Branch void B(CCFlags cond, const void* ptr); // Test and Branch void TBZ(ARM64Reg Rt, u8 bits, const void* ptr); void TBNZ(ARM64Reg Rt, u8 bits, const void* ptr); // Unconditional Branch void B(const void* ptr); void BL(const void* ptr); // Unconditional Branch (register) void BR(ARM64Reg Rn); void BLR(ARM64Reg Rn); void RET(ARM64Reg Rn); void ERET(); void DRPS(); // Exception generation void SVC(u32 imm); void HVC(u32 imm); void SMC(u32 imm); void BRK(u32 imm); void HLT(u32 imm); void DCPS1(u32 imm); void DCPS2(u32 imm); void DCPS3(u32 imm); // System void _MSR(PStateField field, u8 imm); void HINT(SystemHint op); void CLREX(); void DSB(BarrierType type); void DMB(BarrierType type); void ISB(BarrierType type); // Add/Subtract (Extended/Shifted register) void ADD(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void ADD(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void ADDS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void ADDS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void SUB(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void SUB(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void SUBS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void SUBS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void CMN(ARM64Reg Rn, ARM64Reg Rm); void CMN(ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); void CMP(ARM64Reg Rn, ARM64Reg Rm); void CMP(ARM64Reg Rn, ARM64Reg Rm, ArithOption Option); // Add/Subtract (with carry) void ADC(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void ADCS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void SBC(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void SBCS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); // Conditional Compare (immediate) void CCMN(ARM64Reg Rn, u32 imm, u32 nzcv, CCFlags cond); void CCMP(ARM64Reg Rn, u32 imm, u32 nzcv, CCFlags cond); // Conditional Compare (register) void CCMN(ARM64Reg Rn, ARM64Reg Rm, u32 nzcv, CCFlags cond); void CCMP(ARM64Reg Rn, ARM64Reg Rm, u32 nzcv, CCFlags cond); // Conditional Select void CSEL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond); void CSINC(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond); void CSINV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond); void CSNEG(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, CCFlags cond); // Data-Processing 1 source void RBIT(ARM64Reg Rd, ARM64Reg Rn); void REV16(ARM64Reg Rd, ARM64Reg Rn); void REV32(ARM64Reg Rd, ARM64Reg Rn); void REV64(ARM64Reg Rd, ARM64Reg Rn); void CLZ(ARM64Reg Rd, ARM64Reg Rn); void CLS(ARM64Reg Rd, ARM64Reg Rn); // Data-Processing 2 source void UDIV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void SDIV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void LSLV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void LSRV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void ASRV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void RORV(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32B(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32H(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32W(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32CB(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32CH(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32CW(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32X(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); void CRC32CX(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm); // Data-Processing 3 source void MADD(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void MSUB(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void SMADDL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void SMSUBL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void SMULH(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void UMADDL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void UMSUBL(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); void UMULH(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ARM64Reg Ra); // Logical (shifted register) void AND(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void BIC(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void ORR(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void ORN(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void EOR(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void EON(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void ANDS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void BICS(ARM64Reg Rd, ARM64Reg Rn, ARM64Reg Rm, ArithOption Shift); void MOV(ARM64Reg Rd, ARM64Reg Rm); void MVN(ARM64Reg Rd, ARM64Reg Rm); // Logical (immediate) void AND(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void ANDS(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void EOR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void ORR(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void TST(ARM64Reg Rn, u32 immr, u32 imms); // Add/subtract (immediate) void ADD(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false); void ADDS(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false); void SUB(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false); void SUBS(ARM64Reg Rd, ARM64Reg Rn, u32 imm, bool shift = false); void CMP(ARM64Reg Rn, u32 imm, bool shift = false); // Data Processing (Immediate) void MOVZ(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0); void MOVN(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0); void MOVK(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0); // Bitfield move void BFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void SBFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void UBFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms); void SXTB(ARM64Reg Rd, ARM64Reg Rn); void SXTH(ARM64Reg Rd, ARM64Reg Rn); void SXTW(ARM64Reg Rd, ARM64Reg Rn); // Load Register (Literal) void LDR(ARM64Reg Rt, u32 imm); void LDRSW(ARM64Reg Rt, u32 imm); void PRFM(ARM64Reg Rt, u32 imm); // Load/Store Exclusive void STXRB(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void STLXRB(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void LDXRB(ARM64Reg Rt, ARM64Reg Rn); void LDAXRB(ARM64Reg Rt, ARM64Reg Rn); void STLRB(ARM64Reg Rt, ARM64Reg Rn); void LDARB(ARM64Reg Rt, ARM64Reg Rn); void STXRH(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void STLXRH(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void LDXRH(ARM64Reg Rt, ARM64Reg Rn); void LDAXRH(ARM64Reg Rt, ARM64Reg Rn); void STLRH(ARM64Reg Rt, ARM64Reg Rn); void LDARH(ARM64Reg Rt, ARM64Reg Rn); void STXR(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void STLXR(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rn); void STXP(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn); void STLXP(ARM64Reg Rs, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn); void LDXR(ARM64Reg Rt, ARM64Reg Rn); void LDAXR(ARM64Reg Rt, ARM64Reg Rn); void LDXP(ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn); void LDAXP(ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn); void STLR(ARM64Reg Rt, ARM64Reg Rn); void LDAR(ARM64Reg Rt, ARM64Reg Rn); // Load/Store no-allocate pair (offset) void STNP(ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, u32 imm); void LDNP(ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, u32 imm); // Load/Store register (immediate indexed) void STRB(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDRB(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDRSB(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void STRH(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDRH(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDRSH(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void STR(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDR(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); void LDRSW(IndexType type, ARM64Reg Rt, ARM64Reg Rn, s32 imm); // Load/Store register (register offset) void STRB(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDRB(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDRSB(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void STRH(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDRH(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDRSH(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void STR(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDR(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void LDRSW(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); void PRFM(ARM64Reg Rt, ARM64Reg Rn, ARM64Reg Rm, ExtendType extend = EXTEND_LSL); // Load/Store pair void LDP(IndexType type, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, s32 imm); void LDPSW(IndexType type, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, s32 imm); void STP(IndexType type, ARM64Reg Rt, ARM64Reg Rt2, ARM64Reg Rn, s32 imm); // Address of label/page PC-relative void ADR(ARM64Reg Rd, s32 imm); void ADRP(ARM64Reg Rd, s32 imm); // Wrapper around MOVZ+MOVK void MOVI2R(ARM64Reg Rd, u64 imm, bool optimize = true); // ABI related void ABI_PushRegisters(BitSet32 registers); void ABI_PopRegisters(BitSet32 registers, BitSet32 ignore_mask = BitSet32(0)); }; class ARM64CodeBlock : public CodeBlock { private: void PoisonMemory() override { u32* ptr = (u32*)region; u32* maxptr = (u32*)region + region_size; // If our memory isn't a multiple of u32 then this won't write the last remaining bytes with anything // Less than optimal, but there would be nothing we could do but throw a runtime warning anyway. // AArch64: 0xD4200000 = BRK 0 while (ptr < maxptr) *ptr++ = 0xD4200000; } }; }