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[Project64] Add more ARM recompiler code

This commit is contained in:
zilmar 2016-08-12 23:49:03 +10:00
parent 4c0b8d154e
commit bf0674f62f
1 changed files with 169 additions and 64 deletions
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233
Source/Project64-core/N64System/Recompiler/Arm/ArmRecompilerOps.cpp
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@ -166,7 +166,7 @@ void CArmRecompilerOps::Compile_Branch(BRANCH_COMPARE CompareType, BRANCH_TYPE B
UnMap_GPR(31, false);
if (!g_System->b32BitCore())
{
g_Notify->BreakPoint(__FILE__,__LINE__);
MoveConstToVariable((m_CompilePC & 0x80000000) != 0 ? 0xFFFFFFFF : 0, &_GPR[31].UW[1], CRegName::GPR_Hi[31]);
}
MoveConstToVariable(m_CompilePC + 8, &_GPR[31].UW[0], CRegName::GPR_Lo[31]);
}
@ -505,29 +505,26 @@ void CArmRecompilerOps::BNE_Compare()
}
else
{
#ifdef tofix
x86Reg Reg = x86_Any;
#endif
uint8_t * Jump = NULL;
//r0 = low, r1 = high
//r2 = low, r3 = high
if (!g_System->b32BitCore())
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef tofix
Reg = Map_TempReg(x86_Any, m_Opcode.rt, true);
CompX86regToVariable(Reg, &_GPR[m_Opcode.rs].W[1], CRegName::GPR_Hi[m_Opcode.rs]);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1],CRegName::GPR_Hi[m_Opcode.rs], Arm_R1);
MoveVariableToArmReg(&_GPR[m_Opcode.rt].UW[1],CRegName::GPR_Hi[m_Opcode.rt], Arm_R3);
CompareArmRegToArmReg(Arm_R1,Arm_R3);
if (m_Section->m_Jump.FallThrough)
{
JneLabel8("continue", 0);
Jump = *g_RecompPos - 1;
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_Notequal, "continue");
}
else
{
JneLabel32(m_Section->m_Jump.BranchLabel.c_str(), 0);
BranchLabel20(ArmBranch_Notequal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
#endif
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
@ -549,14 +546,12 @@ void CArmRecompilerOps::BNE_Compare()
{
BranchLabel20(ArmBranch_Equal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
#ifdef tofix
if (Jump)
{
CPU_Message(" ");
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
#endif
}
else
{
@ -587,42 +582,41 @@ void CArmRecompilerOps::BEQ_Compare()
}
else
{
uint8_t * Jump = NULL;
//r0 = low, r1 = high
//r2 = low, r3 = high
if (!g_System->b32BitCore())
{
g_Notify->BreakPoint(__FILE__, __LINE__);
#ifdef tofix
Reg = Map_TempReg(x86_Any, m_Opcode.rs, true);
CompX86regToVariable(Reg, &_GPR[m_Opcode.rt].W[1], CRegName::GPR_Hi[m_Opcode.rt]);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1],CRegName::GPR_Hi[m_Opcode.rs], Arm_R1);
MoveVariableToArmReg(&_GPR[m_Opcode.rt].UW[1],CRegName::GPR_Hi[m_Opcode.rt], Arm_R3);
CompareArmRegToArmReg(Arm_R1,Arm_R3);
if (m_Section->m_Cont.FallThrough)
{
JneLabel8("continue", 0);
Jump = *g_RecompPos - 1;
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_Notequal, "continue");
}
else
{
JneLabel32(m_Section->m_Cont.BranchLabel.c_str(), 0);
BranchLabel20(ArmBranch_Notequal, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
#endif
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveVariableToArmReg(&_GPR[m_Opcode.rt].UW[0],CRegName::GPR_Lo[m_Opcode.rt], Arm_R2);
CompareArmRegToArmReg(Arm_R0,Arm_R2);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveVariableToArmReg(&_GPR[m_Opcode.rt].UW[0], CRegName::GPR_Lo[m_Opcode.rt], Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Cont.FallThrough)
{
BranchLabel20(ArmBranch_Equal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
#ifdef tofix
if (Jump)
{
CPU_Message(" ");
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
#endif
}
else if (m_Section->m_Jump.FallThrough)
{
@ -664,9 +658,9 @@ void CArmRecompilerOps::BGTZ_Compare()
{
//r0 = low, r1 = high
//r2 = low, r3 = high
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0,Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_LessThanOrEqual, m_Section->m_Cont.BranchLabel.c_str());
@ -687,8 +681,56 @@ void CArmRecompilerOps::BGTZ_Compare()
}
else
{
g_Notify->BreakPoint(__FILE__, __LINE__);
CArmRecompilerOps::UnknownOpcode();
uint8_t *Jump = NULL;
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1], CRegName::GPR_Hi[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_LessThan, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_GreaterThan, "continue");
}
else if (m_Section->m_Cont.FallThrough)
{
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_LessThan, "continue");
BranchLabel20(ArmBranch_GreaterThan, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
else
{
BranchLabel20(ArmBranch_LessThan, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
BranchLabel20(ArmBranch_GreaterThan, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_Equal, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
else if (m_Section->m_Cont.FallThrough)
{
BranchLabel20(ArmBranch_Notequal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
else
{
BranchLabel20(ArmBranch_Notequal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
BranchLabel20(ArmBranch_Always, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
}
}
}
@ -705,13 +747,65 @@ void CArmRecompilerOps::BLEZ_Compare()
if (!g_System->b32BitCore())
{
g_Notify->BreakPoint(__FILE__, __LINE__);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1], CRegName::GPR_Hi[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_GreaterThan, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_LessThan, "Continue");
}
else if (m_Section->m_Cont.FallThrough)
{
Jump = *g_RecompPos;
BranchLabel8(ArmBranch_GreaterThan, "Continue");
BranchLabel20(ArmBranch_LessThan, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
else
{
BranchLabel20(ArmBranch_GreaterThan, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
BranchLabel20(ArmBranch_LessThan, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation = (uint32_t *)(*g_RecompPos - 4);
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_Notequal, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
if (Jump)
{
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
}
else if (m_Section->m_Cont.FallThrough)
{
BranchLabel20(ArmBranch_Equal, m_Section->m_Jump.BranchLabel.c_str());
m_Section->m_Jump.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
if (Jump)
{
CPU_Message(" continue:");
SetJump8(Jump, *g_RecompPos);
}
}
else
{
BranchLabel20(ArmBranch_Notequal, m_Section->m_Cont.BranchLabel.c_str());
m_Section->m_Cont.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
BranchLabel20(ArmBranch_Always, "BranchToJump");
m_Section->m_Jump.LinkLocation2 = (uint32_t *)(*g_RecompPos - 4);
}
}
else
{
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0,Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_GreaterThan, m_Section->m_Cont.BranchLabel.c_str());
@ -743,14 +837,14 @@ void CArmRecompilerOps::BLTZ_Compare()
{
if (g_System->b32BitCore())
{
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0,Arm_R2);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
}
else
{
g_Notify->BreakPoint(__FILE__, __LINE__);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1], CRegName::GPR_Hi[m_Opcode.rs], Arm_R0);
}
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Jump.FallThrough)
{
BranchLabel20(ArmBranch_GreaterThanOrEqual, m_Section->m_Cont.BranchLabel.c_str());
@ -786,14 +880,14 @@ void CArmRecompilerOps::BGEZ_Compare()
{
if (g_System->b32BitCore())
{
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0,Arm_R2);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
}
else
{
g_Notify->BreakPoint(__FILE__, __LINE__);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[1], CRegName::GPR_Hi[m_Opcode.rs], Arm_R0);
}
MoveConstToArmReg((uint32_t)0, Arm_R2);
CompareArmRegToArmReg(Arm_R0, Arm_R2);
if (m_Section->m_Cont.FallThrough)
{
BranchLabel20(ArmBranch_GreaterThanOrEqual, m_Section->m_Jump.BranchLabel.c_str());
@ -907,7 +1001,11 @@ void CArmRecompilerOps::JAL()
return;
}
MoveConstToVariable(m_CompilePC + 8, &_GPR[31].UW[0],CRegName::GPR_Lo[31]);
if (!g_System->b32BitCore())
{
MoveConstToVariable((m_CompilePC & 0x80000000) != 0 ? 0xFFFFFFFF : 0, &_GPR[31].UW[1], CRegName::GPR_Hi[31]);
}
MoveConstToVariable(m_CompilePC + 8, &_GPR[31].UW[0], CRegName::GPR_Lo[31]);
if ((m_CompilePC & 0xFFC) == 0xFFC)
{
MoveConstToVariable((m_CompilePC & 0xF0000000) + (m_Opcode.target << 2), &R4300iOp::m_JumpToLocation, "R4300iOp::m_JumpToLocation");
@ -940,13 +1038,13 @@ void CArmRecompilerOps::JAL()
{
m_RegWorkingSet.WriteBackRegisters();
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER,Arm_R0,"_PROGRAM_COUNTER");
LoadArmRegPointerToArmReg(Arm_R0,Arm_R1,0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER, Arm_R0, "_PROGRAM_COUNTER");
LoadArmRegPointerToArmReg(Arm_R0, Arm_R1, 0);
MoveConstToArmReg(0xF0000000, Arm_R2);
MoveConstToArmReg((uint32_t)(m_Opcode.target << 2), Arm_R3);
AndArmRegToArmReg(Arm_R2, Arm_R1);
AddArmRegToArmReg(Arm_R3, Arm_R1, Arm_R1);
StoreArmRegToArmRegPointer(Arm_R1,Arm_R0,0);
StoreArmRegToArmRegPointer(Arm_R1, Arm_R0, 0);
uint32_t TargetPC = (m_CompilePC & 0xF0000000) + (m_Opcode.target << 2);
bool bCheck = TargetPC <= m_CompilePC;
@ -1367,9 +1465,9 @@ void CArmRecompilerOps::CACHE()
case 0:
case 16:
m_RegWorkingSet.BeforeCallDirect();
MoveConstToArmReg((uint32_t)CRecompiler::Remove_Cache, Arm_R3,"CRecompiler::Remove_Cache");
MoveConstToArmReg((uint32_t)CRecompiler::Remove_Cache, Arm_R3, "CRecompiler::Remove_Cache");
MoveConstToArmReg((uint32_t)0x20, Arm_R2);
MoveVariableToArmReg(&_GPR[m_Opcode.base].UW[0],CRegName::GPR_Lo[m_Opcode.base], Arm_R1);
MoveVariableToArmReg(&_GPR[m_Opcode.base].UW[0], CRegName::GPR_Lo[m_Opcode.base], Arm_R1);
MoveConstToArmReg((uint32_t)((int16_t)m_Opcode.offset), Arm_R0);
AddArmRegToArmReg(Arm_R0, Arm_R1, Arm_R1);
MoveConstToArmReg((uint32_t)g_Recompiler, Arm_R0, "g_Recompiler");
@ -1614,9 +1712,9 @@ void CArmRecompilerOps::SPECIAL_JR()
else
{
m_RegWorkingSet.WriteBackRegisters();
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)&R4300iOp::m_JumpToLocation,Arm_R1,"R4300iOp::m_JumpToLocation");
StoreArmRegToArmRegPointer(Arm_R0,Arm_R1,0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)&R4300iOp::m_JumpToLocation, Arm_R1, "R4300iOp::m_JumpToLocation");
StoreArmRegToArmRegPointer(Arm_R0, Arm_R1, 0);
}
OverflowDelaySlot(true);
return;
@ -1638,9 +1736,9 @@ void CArmRecompilerOps::SPECIAL_JR()
}
else
{
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER,Arm_R1,"PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0,Arm_R1,0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER, Arm_R1, "PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0, Arm_R1, 0);
}
}
m_NextInstruction = DO_DELAY_SLOT;
@ -1661,9 +1759,9 @@ void CArmRecompilerOps::SPECIAL_JR()
}
else
{
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER,Arm_R1,"PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0,Arm_R1,0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER, Arm_R1, "PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0, Arm_R1, 0);
}
CompileExit((uint32_t)-1, (uint32_t)-1, m_RegWorkingSet, CExitInfo::Normal);
if (m_Section->m_JumpSection)
@ -1690,12 +1788,12 @@ void CArmRecompilerOps::SPECIAL_JALR()
g_Notify->BreakPoint(__FILE__, __LINE__);
return;
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER,Arm_R1,"PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0,Arm_R1,0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)_PROGRAM_COUNTER, Arm_R1, "PROGRAM_COUNTER");
StoreArmRegToArmRegPointer(Arm_R0, Arm_R1, 0);
}
UnMap_GPR(m_Opcode.rd, false);
MoveConstToVariable(m_CompilePC + 8, &_GPR[m_Opcode.rd].UW[0],CRegName::GPR_Lo[m_Opcode.rd]);
MoveConstToVariable(m_CompilePC + 8, &_GPR[m_Opcode.rd].UW[0], CRegName::GPR_Lo[m_Opcode.rd]);
if ((m_CompilePC & 0xFFC) == 0xFFC)
{
if (IsKnown(m_Opcode.rs))
@ -1703,9 +1801,9 @@ void CArmRecompilerOps::SPECIAL_JALR()
g_Notify->BreakPoint(__FILE__, __LINE__);
return;
}
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0],CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)&R4300iOp::m_JumpToLocation,Arm_R1,"R4300iOp::m_JumpToLocation");
StoreArmRegToArmRegPointer(Arm_R0,Arm_R1,0);
MoveVariableToArmReg(&_GPR[m_Opcode.rs].UW[0], CRegName::GPR_Lo[m_Opcode.rs], Arm_R0);
MoveConstToArmReg((uint32_t)&R4300iOp::m_JumpToLocation, Arm_R1, "R4300iOp::m_JumpToLocation");
StoreArmRegToArmRegPointer(Arm_R0, Arm_R1, 0);
m_RegWorkingSet.WriteBackRegisters();
OverflowDelaySlot(true);
@ -3197,6 +3295,13 @@ void CArmRecompilerOps::CompileExit(uint32_t JumpPC, uint32_t TargetPC, CRegInfo
}
ExitCodeBlock();
break;
case CExitInfo::DoSysCall:
bDelay = m_NextInstruction == JUMP || m_NextInstruction == DELAY_SLOT;
MoveConstToArmReg((uint32_t)bDelay, Arm_R1, bDelay ? "true" : "false");
MoveConstToArmReg((uint32_t)g_Reg, Arm_R0);
CallFunction(AddressOf(&CRegisters::DoSysCallException), "CRegisters::DoSysCallException");
ExitCodeBlock();
break;
case CExitInfo::COP1_Unuseable:
bDelay = m_NextInstruction == JUMP || m_NextInstruction == DELAY_SLOT;
MoveConstToArmReg((uint32_t)1, Arm_R2, "1");