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

113 lines
4.5 KiB
C++

/****************************************************************************
* *
* 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 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,
};
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 ArmBranchCompare
{
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
};
protected:
//Logging Functions
static void WriteArmComment(const char * Comment);
static void WriteArmLabel(const char * Label);
static void AddArmRegToArmReg(ArmReg SourceReg1, ArmReg SourceReg2, ArmReg DestReg);
static void AndArmRegToArmReg(ArmReg SourceReg, ArmReg DestReg);
static void BranchLabel8(ArmBranchCompare CompareType, const char * Label);
static void BranchLabel20(ArmBranchCompare CompareType, const char * Label);
static void CallFunction(void * Function, const char * FunctionName);
static void CompareArmRegToConst(ArmReg Reg, uint8_t value);
static void CompareArmRegToArmReg(ArmReg Reg1, ArmReg Reg2);
static void LoadArmRegPointerToArmReg(ArmReg RegPointer, ArmReg Reg, uint8_t offset);
static void MoveArmRegArmReg(ArmReg SourceReg, ArmReg DestReg);
static void MoveConstToArmReg(uint16_t Const, ArmReg reg, const char * comment = NULL);
static void MoveConstToArmRegTop(uint16_t Const, ArmReg reg, const char * comment = NULL);
static void MoveConstToArmReg(uint32_t Const, ArmReg reg, const char * comment = NULL);
static void MoveConstToVariable(uint32_t Const, void * Variable, const char * VariableName);
static void MoveVariableToArmReg(void * Variable, const char * VariableName, ArmReg reg);
static void PushArmReg(uint16_t Registers);
static void PopArmReg(uint16_t Registers);
static void StoreArmRegToArmRegPointer(ArmReg 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 * GetAddressOf(int32_t value, ...);
static void SetJump8(uint8_t * Loc, uint8_t * JumpLoc);
static void SetJump20(uint32_t * Loc, uint32_t * JumpLoc);
static const char * ArmBranchSuffix(ArmBranchCompare CompareType);
static const char * ArmRegName(ArmReg Reg);
static void AddCode8(uint8_t value);
static void AddCode16(uint16_t value);
static void AddCode32(uint32_t value);
};
#define AddressOf(Addr) CArmOps::GetAddressOf(5,(Addr))
#endif