/**************************************************************************** * * * Project64 - A Nintendo 64 emulator. * * http://www.pj64-emu.com/ * * Copyright (C) 2012 Project64. All rights reserved. * * * * License: * * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html * * * ****************************************************************************/ #pragma once #if defined(__arm__) || defined(_M_ARM) class CArmRegInfo; class CArmOps { public: enum ArmReg { Arm_R0 = 0, Arm_R1 = 1, Arm_R2 = 2, Arm_R3 = 3, Arm_R4 = 4, Arm_R5 = 5, Arm_R6 = 6, Arm_R7 = 7, Arm_R8 = 8, Arm_R9 = 9, Arm_R10 = 10, Arm_R11 = 11, Arm_R12 = 12, Arm_R13 = 13, ArmRegSP = 13, Arm_R14 = 14, ArmRegLR = 14, Arm_R15 = 15, ArmRegPC = 15, Arm_Unknown = -1, Arm_Any = -2, }; enum ArmFpuSingle { Arm_S0 = 0, Arm_S1 = 1, Arm_S2 = 2, Arm_S3 = 3, Arm_S4 = 4, Arm_S5 = 5, Arm_S6 = 6, Arm_S7 = 7, Arm_S8 = 8, Arm_S9 = 9, Arm_S10 = 10, Arm_S11 = 11, Arm_S12 = 12, Arm_S13 = 13, Arm_S14 = 14, Arm_S15 = 15, Arm_S16 = 16, Arm_S17 = 17, Arm_S18 = 18, Arm_S19 = 19, Arm_S20 = 20, Arm_S21 = 21, Arm_S22 = 22, Arm_S23 = 23, Arm_S24 = 24, Arm_S25 = 25, Arm_S26 = 26, Arm_S27 = 27, Arm_S28 = 28, Arm_S29 = 29, Arm_S30 = 30, Arm_S31 = 31, }; enum ArmFpuDouble { Arm_D0 = 0, Arm_D1 = 1, Arm_D2 = 2, Arm_D3 = 3, Arm_D4 = 4, Arm_D5 = 5, Arm_D6 = 6, Arm_D7 = 7, Arm_D8 = 8, Arm_D9 = 9, Arm_D10 = 10, Arm_D11 = 11, Arm_D12 = 12, Arm_D13 = 13, Arm_D14 = 14, Arm_D15 = 15, }; enum ArmRegPushPop { ArmPushPop_R0 = 0x0001, ArmPushPop_R1 = 0x0002, ArmPushPop_R2 = 0x0004, ArmPushPop_R3 = 0x0008, ArmPushPop_R4 = 0x0010, ArmPushPop_R5 = 0x0020, ArmPushPop_R6 = 0x0040, ArmPushPop_R7 = 0x0080, ArmPushPop_R8 = 0x0100, ArmPushPop_R9 = 0x0200, ArmPushPop_R10 = 0x0400, ArmPushPop_R11 = 0x0800, ArmPushPop_R12 = 0x1000, ArmPushPop_R13 = 0x2000, ArmPushPop_SP = 0x2000, ArmPushPop_R14 = 0x4000, ArmPushPop_LR = 0x4000, ArmPushPop_R15 = 0x8000, ArmPushPop_PC = 0x8000, }; enum ArmCompareType { ArmBranch_Equal = 0, //Code = 0000 ArmBranch_Notequal = 1, //Code = 0001 ArmBranch_GreaterThanOrEqual = 10, //Code = 1010 ArmBranch_LessThan = 11, //Code = 1011 ArmBranch_GreaterThan = 12, //Code = 1100 ArmBranch_LessThanOrEqual = 13, //Code = 1101 ArmBranch_Always = 14, //Code = 1110 }; enum ArmItMask { ItMask_None, ItMask_T, ItMask_E, ItMask_TT, ItMask_ET, ItMask_TE, ItMask_EE, ItMask_TTT, ItMask_ETT, ItMask_TET, ItMask_EET, ItMask_TTE, ItMask_ETE, ItMask_TEE, ItMask_EEE, }; protected: //Logging Functions static void WriteArmComment(const char * Comment); static void WriteArmLabel(const char * Label); static void AddArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg1, ArmReg SourceReg2); static void AddConstToArmReg(ArmReg DestReg, uint32_t Const); static void AddConstToArmReg(ArmReg DestReg, ArmReg SourceReg, uint32_t Const); static void AndConstToVariable(void *Variable, const char * VariableName, uint32_t Const); static void AndArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg); static void BranchLabel8(ArmCompareType CompareType, const char * Label); static void BranchLabel20(ArmCompareType CompareType, const char * Label); static void CallFunction(void * Function, const char * FunctionName); static void CompareArmRegToConst(ArmReg Reg, uint32_t value); static void CompareArmRegToArmReg(ArmReg Reg1, ArmReg Reg2); static void IfBlock(ArmItMask mask, ArmCompareType CompareType); static void LoadArmRegPointerByteToArmReg(ArmReg DestReg, ArmReg RegPointer, ArmReg RegPointer2, uint8_t shift); static void LoadArmRegPointerToArmReg(ArmReg DestReg, ArmReg RegPointer, uint8_t Offset); static void LoadArmRegPointerToArmReg(ArmReg DestReg, ArmReg RegPointer, ArmReg RegPointer2, uint8_t shift); static void LoadArmRegPointerToFloatReg(ArmReg RegPointer, ArmFpuSingle Reg, uint8_t Offset); static void LoadFloatingPointControlReg(ArmReg DestReg); static void MoveArmRegArmReg(ArmReg DestReg, ArmReg SourceReg); static void MoveConstToArmReg(ArmReg DestReg, uint16_t Const, const char * comment = NULL); static void MoveConstToArmRegTop(ArmReg DestReg, uint16_t Const, const char * comment = NULL); static void MoveConstToArmReg(ArmReg DestReg, uint32_t Const, const char * comment = NULL); static void MoveConstToVariable(uint32_t Const, void * Variable, const char * VariableName); static void MoveFloatRegToVariable(ArmFpuSingle reg, void * Variable, const char * VariableName); static void MoveVariableToArmReg(void * Variable, const char * VariableName, ArmReg reg); static void MoveVariableToFloatReg(void * Variable, const char * VariableName, ArmFpuSingle reg); static void OrArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg1, ArmReg SourceReg2, uint32_t shift); static void MulF32(ArmFpuSingle DestReg, ArmFpuSingle SourceReg1, ArmFpuSingle SourceReg2); static void PushArmReg(uint16_t Registers); static void PopArmReg(uint16_t Registers); static void ShiftRightSignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void ShiftRightUnsignImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void ShiftLeftImmed(ArmReg DestReg, ArmReg SourceReg, uint32_t shift); static void SignExtendByte(ArmReg Reg); static void StoreArmRegToArmRegPointer(ArmReg Reg, ArmReg RegPointer, uint8_t Offset); static void StoreFloatingPointControlReg(ArmReg SourceReg); static void StoreFloatRegToArmRegPointer(ArmFpuSingle Reg, ArmReg RegPointer, uint8_t Offset); static void SubConstFromArmReg(ArmReg Reg, uint32_t Const); static void SubConstFromVariable(uint32_t Const, void * Variable, const char * VariableName); static void TestVariable(uint32_t Const, void * Variable, const char * VariableName); static void XorConstToArmReg(ArmReg DestReg, uint32_t value); static void XorArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg); static void XorArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg1, ArmReg SourceReg2); static void * GetAddressOf(int32_t value, ...); static void SetJump8(uint8_t * Loc, uint8_t * JumpLoc); static void SetJump20(uint32_t * Loc, uint32_t * JumpLoc); static CArmRegInfo m_RegWorkingSet; protected: static const char * ArmRegName(ArmReg Reg); static bool ArmCompareInverse(ArmCompareType CompareType); static const char * ArmCompareSuffix(ArmCompareType CompareType); static const char * ArmFpuSingleName(ArmFpuSingle Reg); static const char * ArmItMaskName(ArmItMask mask); static bool CanThumbCompressConst (uint32_t value); static uint16_t ThumbCompressConst (uint32_t value); static void AddCode8(uint8_t value); static void AddCode16(uint16_t value); static void AddCode32(uint32_t value); static bool mInItBlock; static int mItBlockInstruction; static ArmCompareType mItBlockCompareType; static ArmItMask mItBlockMask; }; #define AddressOf(Addr) CArmOps::GetAddressOf(5,(Addr)) #endif