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project64/Source/Project64-core/N64System/Recompiler/Arm/ArmOps.h

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/****************************************************************************
* *
* 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)
#include <Project64-core/Settings/DebugSettings.h>
class CArmRegInfo;
class CArmOps :
protected CDebugSettings
{
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 AndConstToArmReg(ArmReg DestReg, ArmReg SourceReg, uint32_t Const);
static void AndArmRegToArmReg(ArmReg DestReg, ArmReg SourceReg1, ArmReg SourceReg2);
static void ArmBreakPoint(const char * FileName, uint32_t LineNumber);
static void ArmNop(void);
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, uint16_t offset);
static void LoadArmRegPointerByteToArmReg(ArmReg DestReg, ArmReg RegPointer, ArmReg RegPointer2, uint8_t shift);
static void LoadArmRegPointerToArmReg(ArmReg DestReg, ArmReg RegPointer, uint8_t Offset, const char * comment = NULL);
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 MoveArmRegToVariable(ArmReg Reg, void * Variable, const char * VariableName);
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 OrConstToArmReg(ArmReg DestReg, ArmReg SourceReg, uint32_t value);
static void OrConstToVariable(void * Variable, const char * VariableName, uint32_t value);
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 DestReg, ArmReg RegPointer, uint8_t Offset, const char * comment = NULL);
static void StoreArmRegToArmRegPointer(ArmReg DestReg, ArmReg RegPointer, ArmReg RegPointer2, uint8_t shift);
static void StoreFloatingPointControlReg(ArmReg SourceReg);
static void StoreFloatRegToArmRegPointer(ArmFpuSingle Reg, ArmReg RegPointer, uint8_t Offset);
static void SubArmRegFromArmReg(ArmReg DestReg, ArmReg SourceReg1, ArmReg SourceReg2);
static void SubConstFromArmReg(ArmReg Reg, ArmReg SourceReg, 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 void FlushPopArmReg(void);
static CArmRegInfo m_RegWorkingSet;
protected:
static const char * ArmRegName(ArmReg Reg);
static uint32_t PushPopRegisterSize(uint16_t Registers);
static std::string PushPopRegisterList(uint16_t Registers);
private:
friend class CArmRegInfo;
static void PreOpCheck(bool AllowedInItBlock, const char * FileName, uint32_t LineNumber);
static void BreakPointNotification(const char * FileName, uint32_t LineNumber);
static bool ArmCompareInverse(ArmCompareType CompareType);
static ArmCompareType ArmCompareInverseType(ArmCompareType CompareType);
static const char * ArmCompareSuffix(ArmCompareType CompareType);
static const char * ArmFpuSingleName(ArmFpuSingle Reg);
static const char * ArmItMaskName(ArmItMask mask);
static const char * ArmCurrentItCondition();
static void ProgressItBlock ( void );
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 m_InItBlock;
static int m_ItBlockInstruction;
static ArmCompareType m_ItBlockCompareType;
static ArmItMask m_ItBlockMask;
static ArmReg m_LastStoreReg;
static uint16_t m_PopRegisters;
static uint16_t m_PushRegisters;
};
#define AddressOf(Addr) CArmOps::GetAddressOf(5,(Addr))
#endif
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