mirror of
https://github.com/melonDS-emu/melonDS.git
synced 2025-07-26 15:50:00 -06:00
use templates to only execute GDB stub related code if enabled
This commit is contained in:
RSDuck
402
src/ARM.cpp
402
src/ARM.cpp
@ -582,9 +582,11 @@ void ARM::CheckGdbIncoming()
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GdbCheckA();
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}
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template <CPUExecuteMode mode>
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void ARMv5::Execute()
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{
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GdbCheckB();
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckB();
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if (Halted)
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{
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@ -607,231 +609,123 @@ void ARMv5::Execute()
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while (NDS.ARM9Timestamp < NDS.ARM9Target)
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{
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if (CPSR & 0x20) // THUMB
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if constexpr (mode == CPUExecuteMode::JIT)
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{
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GdbCheckC();
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u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
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// prefetch
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R[15] += 2;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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if (R[15] & 0x2) { NextInstr[1] >>= 16; CodeCycles = 0; }
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else NextInstr[1] = CodeRead32(R[15], false);
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// actually execute
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u32 icode = (CurInstr >> 6) & 0x3FF;
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ARMInterpreter::THUMBInstrTable[icode](this);
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}
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else
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{
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GdbCheckC();
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// prefetch
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R[15] += 4;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead32(R[15], false);
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// actually execute
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if (CheckCondition(CurInstr >> 28))
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{
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u32 icode = ((CurInstr >> 4) & 0xF) | ((CurInstr >> 16) & 0xFF0);
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ARMInterpreter::ARMInstrTable[icode](this);
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}
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else if ((CurInstr & 0xFE000000) == 0xFA000000)
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{
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ARMInterpreter::A_BLX_IMM(this);
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}
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else
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AddCycles_C();
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}
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// TODO optimize this shit!!!
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if (Halted)
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{
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if (Halted == 1 && NDS.ARM9Timestamp < NDS.ARM9Target)
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if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
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&& !NDS.JIT.SetupExecutableRegion(0, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
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{
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NDS.ARM9Timestamp = NDS.ARM9Target;
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Log(LogLevel::Error, "ARMv5 PC in non executable region %08X\n", R[15]);
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return;
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}
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break;
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}
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/*if (NDS::IF[0] & NDS::IE[0])
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{
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if (NDS::IME[0] & 0x1)
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TriggerIRQ();
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}*/
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if (IRQ) TriggerIRQ();
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NDS.ARM9Timestamp += Cycles;
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Cycles = 0;
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}
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JitBlockEntry block = NDS.JIT.LookUpBlock(0, FastBlockLookup,
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instrAddr - FastBlockLookupStart, instrAddr);
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if (block)
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ARM_Dispatch(this, block);
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else
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NDS.JIT.CompileBlock(this);
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if (Halted == 2)
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Halted = 0;
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}
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#ifdef JIT_ENABLED
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void ARMv5::ExecuteJIT()
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{
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if (Halted)
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{
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if (Halted == 2)
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{
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Halted = 0;
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}
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else if (NDS.HaltInterrupted(0))
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{
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Halted = 0;
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if (NDS.IME[0] & 0x1)
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TriggerIRQ();
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}
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else
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{
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NDS.ARM9Timestamp = NDS.ARM9Target;
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return;
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}
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}
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while (NDS.ARM9Timestamp < NDS.ARM9Target)
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{
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u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
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if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
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&& !NDS.JIT.SetupExecutableRegion(0, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
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{
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NDS.ARM9Timestamp = NDS.ARM9Target;
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Log(LogLevel::Error, "ARMv5 PC in non executable region %08X\n", R[15]);
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return;
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}
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JitBlockEntry block = NDS.JIT.LookUpBlock(0, FastBlockLookup,
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instrAddr - FastBlockLookupStart, instrAddr);
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if (block)
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ARM_Dispatch(this, block);
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else
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NDS.JIT.CompileBlock(this);
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if (StopExecution)
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{
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// this order is crucial otherwise idle loops waiting for an IRQ won't function
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if (IRQ)
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TriggerIRQ();
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if (Halted || IdleLoop)
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if (StopExecution)
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{
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if ((Halted == 1 || IdleLoop) && NDS.ARM9Timestamp < NDS.ARM9Target)
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// this order is crucial otherwise idle loops waiting for an IRQ won't function
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if (IRQ)
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TriggerIRQ();
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if (Halted || IdleLoop)
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{
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Cycles = 0;
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NDS.ARM9Timestamp = NDS.ARM9Target;
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if ((Halted == 1 || IdleLoop) && NDS.ARM9Timestamp < NDS.ARM9Target)
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{
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Cycles = 0;
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NDS.ARM9Timestamp = NDS.ARM9Target;
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}
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IdleLoop = 0;
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break;
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}
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IdleLoop = 0;
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break;
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}
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}
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NDS.ARM9Timestamp += Cycles;
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Cycles = 0;
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}
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if (Halted == 2)
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Halted = 0;
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}
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#endif
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void ARMv4::Execute()
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{
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GdbCheckB();
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if (Halted)
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{
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if (Halted == 2)
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{
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Halted = 0;
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}
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else if (NDS.HaltInterrupted(1))
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{
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Halted = 0;
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if (NDS.IME[1] & 0x1)
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TriggerIRQ();
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}
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else
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{
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NDS.ARM7Timestamp = NDS.ARM7Target;
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return;
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}
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}
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while (NDS.ARM7Timestamp < NDS.ARM7Target)
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{
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if (CPSR & 0x20) // THUMB
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{
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GdbCheckC();
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// prefetch
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R[15] += 2;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead16(R[15]);
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// actually execute
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u32 icode = (CurInstr >> 6);
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ARMInterpreter::THUMBInstrTable[icode](this);
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}
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else
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{
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GdbCheckC();
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// prefetch
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R[15] += 4;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead32(R[15]);
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// actually execute
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if (CheckCondition(CurInstr >> 28))
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if (CPSR & 0x20) // THUMB
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{
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u32 icode = ((CurInstr >> 4) & 0xF) | ((CurInstr >> 16) & 0xFF0);
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ARMInterpreter::ARMInstrTable[icode](this);
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckC();
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// prefetch
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R[15] += 2;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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if (R[15] & 0x2) { NextInstr[1] >>= 16; CodeCycles = 0; }
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else NextInstr[1] = CodeRead32(R[15], false);
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// actually execute
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u32 icode = (CurInstr >> 6) & 0x3FF;
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ARMInterpreter::THUMBInstrTable[icode](this);
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}
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else
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AddCycles_C();
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}
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// TODO optimize this shit!!!
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if (Halted)
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{
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if (Halted == 1 && NDS.ARM7Timestamp < NDS.ARM7Target)
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{
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NDS.ARM7Timestamp = NDS.ARM7Target;
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}
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break;
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}
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/*if (NDS::IF[1] & NDS::IE[1])
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{
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if (NDS::IME[1] & 0x1)
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TriggerIRQ();
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}*/
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if (IRQ) TriggerIRQ();
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckC();
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NDS.ARM7Timestamp += Cycles;
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// prefetch
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R[15] += 4;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead32(R[15], false);
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// actually execute
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if (CheckCondition(CurInstr >> 28))
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{
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u32 icode = ((CurInstr >> 4) & 0xF) | ((CurInstr >> 16) & 0xFF0);
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ARMInterpreter::ARMInstrTable[icode](this);
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}
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else if ((CurInstr & 0xFE000000) == 0xFA000000)
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{
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ARMInterpreter::A_BLX_IMM(this);
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}
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else
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AddCycles_C();
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}
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// TODO optimize this shit!!!
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if (Halted)
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{
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if (Halted == 1 && NDS.ARM9Timestamp < NDS.ARM9Target)
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{
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NDS.ARM9Timestamp = NDS.ARM9Target;
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}
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break;
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}
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/*if (NDS::IF[0] & NDS::IE[0])
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{
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if (NDS::IME[0] & 0x1)
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TriggerIRQ();
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}*/
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if (IRQ) TriggerIRQ();
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}
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NDS.ARM9Timestamp += Cycles;
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Cycles = 0;
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}
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if (Halted == 2)
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Halted = 0;
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if (Halted == 4)
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{
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assert(NDS.ConsoleType == 1);
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auto& dsi = dynamic_cast<melonDS::DSi&>(NDS);
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dsi.SoftReset();
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Halted = 2;
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}
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}
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template void ARMv5::Execute<CPUExecuteMode::Interpreter>();
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template void ARMv5::Execute<CPUExecuteMode::InterpreterGDB>();
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#ifdef JIT_ENABLED
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void ARMv4::ExecuteJIT()
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template void ARMv5::Execute<CPUExecuteMode::JIT>();
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#endif
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template <CPUExecuteMode mode>
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void ARMv4::Execute()
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{
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckB();
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if (Halted)
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{
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if (Halted == 2)
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@ -853,38 +747,95 @@ void ARMv4::ExecuteJIT()
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while (NDS.ARM7Timestamp < NDS.ARM7Target)
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{
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u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
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if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
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&& !NDS.JIT.SetupExecutableRegion(1, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
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if constexpr (mode == CPUExecuteMode::JIT)
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{
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NDS.ARM7Timestamp = NDS.ARM7Target;
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Log(LogLevel::Error, "ARMv4 PC in non executable region %08X\n", R[15]);
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return;
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}
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u32 instrAddr = R[15] - ((CPSR&0x20)?2:4);
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JitBlockEntry block = NDS.JIT.LookUpBlock(1, FastBlockLookup,
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instrAddr - FastBlockLookupStart, instrAddr);
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if (block)
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ARM_Dispatch(this, block);
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else
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NDS.JIT.CompileBlock(this);
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if (StopExecution)
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{
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if (IRQ)
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TriggerIRQ();
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if (Halted || IdleLoop)
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if ((instrAddr < FastBlockLookupStart || instrAddr >= (FastBlockLookupStart + FastBlockLookupSize))
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&& !NDS.JIT.SetupExecutableRegion(1, instrAddr, FastBlockLookup, FastBlockLookupStart, FastBlockLookupSize))
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{
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if ((Halted == 1 || IdleLoop) && NDS.ARM7Timestamp < NDS.ARM7Target)
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NDS.ARM7Timestamp = NDS.ARM7Target;
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Log(LogLevel::Error, "ARMv4 PC in non executable region %08X\n", R[15]);
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return;
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}
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JitBlockEntry block = NDS.JIT.LookUpBlock(1, FastBlockLookup,
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instrAddr - FastBlockLookupStart, instrAddr);
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if (block)
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ARM_Dispatch(this, block);
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else
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NDS.JIT.CompileBlock(this);
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if (StopExecution)
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{
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if (IRQ)
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TriggerIRQ();
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if (Halted || IdleLoop)
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{
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if ((Halted == 1 || IdleLoop) && NDS.ARM7Timestamp < NDS.ARM7Target)
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{
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Cycles = 0;
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NDS.ARM7Timestamp = NDS.ARM7Target;
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}
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IdleLoop = 0;
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break;
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}
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}
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}
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else
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{
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if (CPSR & 0x20) // THUMB
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{
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckC();
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// prefetch
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R[15] += 2;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead16(R[15]);
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// actually execute
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u32 icode = (CurInstr >> 6);
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ARMInterpreter::THUMBInstrTable[icode](this);
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}
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else
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{
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if constexpr (mode == CPUExecuteMode::InterpreterGDB)
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GdbCheckC();
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// prefetch
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R[15] += 4;
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CurInstr = NextInstr[0];
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NextInstr[0] = NextInstr[1];
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NextInstr[1] = CodeRead32(R[15]);
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// actually execute
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if (CheckCondition(CurInstr >> 28))
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{
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u32 icode = ((CurInstr >> 4) & 0xF) | ((CurInstr >> 16) & 0xFF0);
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ARMInterpreter::ARMInstrTable[icode](this);
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}
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else
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AddCycles_C();
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}
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// TODO optimize this shit!!!
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if (Halted)
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{
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if (Halted == 1 && NDS.ARM7Timestamp < NDS.ARM7Target)
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{
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Cycles = 0;
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NDS.ARM7Timestamp = NDS.ARM7Target;
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}
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IdleLoop = 0;
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break;
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}
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/*if (NDS::IF[1] & NDS::IE[1])
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{
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if (NDS::IME[1] & 0x1)
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TriggerIRQ();
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}*/
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if (IRQ) TriggerIRQ();
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}
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NDS.ARM7Timestamp += Cycles;
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@ -902,6 +853,11 @@ void ARMv4::ExecuteJIT()
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Halted = 2;
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}
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}
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template void ARMv4::Execute<CPUExecuteMode::Interpreter>();
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template void ARMv4::Execute<CPUExecuteMode::InterpreterGDB>();
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#ifdef JIT_ENABLED
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template void ARMv4::Execute<CPUExecuteMode::JIT>();
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#endif
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void ARMv5::FillPipeline()
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