#include "RSPCpu.h" #include #include #include #include #include #include #include class RSPRegisterHandler; UDWORD EleSpec[16], Indx[16]; RSPOpcode RSPOpC; uint32_t *PrgCount, NextInstruction, RSP_Running; p_func RSP_Opcode[64]; p_func RSP_RegImm[32]; p_func RSP_Special[64]; p_func RSP_Cop0[32]; p_func RSP_Cop2[32]; p_func RSP_Vector[64]; p_func RSP_Lc2[32]; p_func RSP_Sc2[32]; void BuildInterpreterCPU(void); void BuildRecompilerCPU(void); CriticalSection g_CPUCriticalSection; uint32_t Mfc0Count, SemaphoreExit = 0; RSPCpuType g_CPUCore = InterpreterCPU; std::unique_ptr g_RSPRegisterHandler; void SetCPU(RSPCpuType core) { CGuard Guard(g_CPUCriticalSection); g_CPUCore = core; switch (core) { case RecompilerCPU: BuildRecompilerCPU(); break; case InterpreterCPU: BuildInterpreterCPU(); break; } } void Build_RSP(void) { extern UWORD32 Recp, RecpResult, SQroot, SQrootResult; Recp.UW = 0; RecpResult.UW = 0; SQroot.UW = 0; SQrootResult.UW = 0; SetCPU(g_CPUCore); if (g_RSPDebugger != nullptr) { g_RSPDebugger->ResetTimerList(); } EleSpec[0].DW = 0x0001020304050607; // None EleSpec[1].DW = 0x0001020304050607; // None EleSpec[2].DW = 0x0000020204040606; // 0q EleSpec[3].DW = 0x0101030305050707; // 1q EleSpec[4].DW = 0x0000000004040404; // 0h EleSpec[5].DW = 0x0101010105050505; // 1h EleSpec[6].DW = 0x0202020206060606; // 2h EleSpec[7].DW = 0x0303030307070707; // 3h EleSpec[8].DW = 0x0000000000000000; // 0 EleSpec[9].DW = 0x0101010101010101; // 1 EleSpec[10].DW = 0x0202020202020202; // 2 EleSpec[11].DW = 0x0303030303030303; // 3 EleSpec[12].DW = 0x0404040404040404; // 4 EleSpec[13].DW = 0x0505050505050505; // 5 EleSpec[14].DW = 0x0606060606060606; // 6 EleSpec[15].DW = 0x0707070707070707; // 7 Indx[0].DW = 0x0001020304050607; // None Indx[1].DW = 0x0001020304050607; // None Indx[2].DW = 0x0103050700020406; // 0q Indx[3].DW = 0x0002040601030507; // 1q Indx[4].DW = 0x0102030506070004; // 0h Indx[5].DW = 0x0002030406070105; // 1h Indx[6].DW = 0x0001030405070206; // 2h Indx[7].DW = 0x0001020405060307; // 3h Indx[8].DW = 0x0102030405060700; // 0 Indx[9].DW = 0x0002030405060701; // 1 Indx[10].DW = 0x0001030405060702; // 2 Indx[11].DW = 0x0001020405060703; // 3 Indx[12].DW = 0x0001020305060704; // 4 Indx[13].DW = 0x0001020304060705; // 5 Indx[14].DW = 0x0001020304050706; // 6 Indx[15].DW = 0x0001020304050607; // 7 for (uint8_t i = 0, n = sizeof(EleSpec) / sizeof(EleSpec[0]); i < n; i++) { for (uint8_t z = 0; z < 8; z++) { Indx[i].B[z] = 7 - Indx[i].B[z]; EleSpec[i].B[z] = 7 - EleSpec[i].B[z]; } for (uint8_t z = 0; z < 4; z++) { uint8_t Temp = Indx[i].B[z]; Indx[i].B[z] = Indx[i].B[7 - z]; Indx[i].B[7 - z] = Temp; } } PrgCount = RSPInfo.SP_PC_REG; } /* Function: DoRspCycles Purpose: This function is to allow the RSP to run in parallel with the r4300i switching control back to the r4300i once the function ends. Input: The number of cycles that is meant to be executed. Output: The number of cycles that was executed. This value can be greater than the number of cycles that the RSP should have performed. (this value is ignored if the RSP has been stopped) */ uint32_t RunInterpreterCPU(uint32_t Cycles); uint32_t RunRecompilerCPU(uint32_t Cycles); #define MI_INTR_SP 0x01 /* Bit 0: SP intr */ uint32_t DoRspCycles(uint32_t Cycles) { extern bool AudioHle, GraphicsHle; uint32_t TaskType = *(uint32_t *)(RSPInfo.DMEM + 0xFC0); if (TaskType == 1 && GraphicsHle && *(uint32_t *)(RSPInfo.DMEM + 0x0ff0) != 0) { if (RSPInfo.ProcessDList != NULL) { RSPInfo.ProcessDList(); } *RSPInfo.SP_STATUS_REG |= (0x0203); if ((*RSPInfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0) { *RSPInfo.MI_INTR_REG |= MI_INTR_SP; RSPInfo.CheckInterrupts(); } *RSPInfo.DPC_STATUS_REG &= ~0x0002; return Cycles; } else if (TaskType == 2 && HleAlistTask) { if (g_hle == nullptr) { g_hle = new CHle(RSPInfo); } if (g_hle != nullptr) { g_hle->try_fast_audio_dispatching(); *RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT; if ((*RSPInfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0) { *RSPInfo.MI_INTR_REG |= MI_INTR_SP; RSPInfo.CheckInterrupts(); } } } else if (TaskType == 2 && AudioHle) { if (RSPInfo.ProcessAList != NULL) { RSPInfo.ProcessAList(); } *RSPInfo.SP_STATUS_REG |= SP_STATUS_SIG2 | SP_STATUS_BROKE | SP_STATUS_HALT; if ((*RSPInfo.SP_STATUS_REG & SP_STATUS_INTR_BREAK) != 0) { *RSPInfo.MI_INTR_REG |= MI_INTR_SP; RSPInfo.CheckInterrupts(); } return Cycles; } else if (TaskType == 7) { RSPInfo.ShowCFB(); } if (g_RSPDebugger != nullptr) { g_RSPDebugger->RspCyclesStart(); } CGuard Guard(g_CPUCriticalSection); switch (g_CPUCore) { case RecompilerCPU: RunRecompilerCPU(Cycles); break; case InterpreterCPU: RunInterpreterCPU(Cycles); break; } if (g_RSPDebugger != nullptr) { g_RSPDebugger->RspCyclesStop(); } return Cycles; }