/* * Project 64 - A Nintendo 64 emulator. * * (c) Copyright 2001 zilmar (zilmar@emulation64.com) and * Jabo (jabo@emulation64.com). * * pj64 homepage: www.pj64.net * * Permission to use, copy, modify and distribute Project64 in both binary and * source form, for non-commercial purposes, is hereby granted without fee, * providing that this license information and copyright notice appear with * all copies and any derived work. * * This software is provided 'as-is', without any express or implied * warranty. In no event shall the authors be held liable for any damages * arising from the use of this software. * * Project64 is freeware for PERSONAL USE only. Commercial users should * seek permission of the copyright holders first. Commercial use includes * charging money for Project64 or software derived from Project64. * * The copyright holders request that bug fixes and improvements to the code * should be forwarded to them so if they want them. * */ #ifdef tofix #include #include #include "c core.h" #include "main.h" #include "cpu.h" #include "x86.h" #include "debugger.h" char *GPR_Name[32] = {"r0","at","v0","v1","a0","a1","a2","a3", "t0","t1","t2","t3","t4","t5","t6","t7", "s0","s1","s2","s3","s4","s5","s6","s7", "t8","t9","k0","k1","gp","sp","s8","ra"}; char *GPR_NameHi[32] = {"r0.HI","at.HI","v0.HI","v1.HI","a0.HI","a1.HI", "a2.HI","a3.HI","t0.HI","t1.HI","t2.HI","t3.HI", "t4.HI","t5.HI","t6.HI","t7.HI","s0.HI","s1.HI", "s2.HI","s3.HI","s4.HI","s5.HI","s6.HI","s7.HI", "t8.HI","t9.HI","k0.HI","k1.HI","gp.HI","sp.HI", "s8.HI","ra.HI"}; char *GPR_NameLo[32] = {"r0.LO","at.LO","v0.LO","v1.LO","a0.LO","a1.LO", "a2.LO","a3.LO","t0.LO","t1.LO","t2.LO","t3.LO", "t4.LO","t5.LO","t6.LO","t7.LO","s0.LO","s1.LO", "s2.LO","s3.LO","s4.LO","s5.LO","s6.LO","s7.LO", "t8.LO","t9.LO","k0.LO","k1.LO","gp.LO","sp.LO", "s8.LO","ra.LO"}; char *FPR_Name[32] = {"f0","f1","f2","f3","f4","f5","f6","f7", "f8","f9","f10","f11","f12","f13","f14","f15", "f16","f17","f18","f19","f20","f21","f22","f23", "f24","f25","f26","f27","f28","f29","f30","f31"}; char *FPR_NameHi[32] = {"f0.hi","f1.hi","f2.hi","f3.hi","f4.hi","f5.hi","f6.hi","f7.hi", "f8.hi","f9.hi","f10.hi","f11.hi","f12.hi","f13.hi","f14.hi","f15.hi", "f16.hi","f17.hi","f18.hi","f19.hi","f20.hi","f21.hi","f22.hi","f23.hi", "f24.hi","f25.hi","f26.hi","f27.hi","f28.hi","f29.hi","f30.hi","f31.hi"}; char *FPR_NameLo[32] = {"f0.lo","f1.lo","f2.lo","f3.lo","f4.lo","f5.lo","f6.lo","f7.lo", "f8.lo","f9.lo","f10.lo","f11.lo","f12.lo","f13.lo","f14.lo","f15.lo", "f16.lo","f17.lo","f18.lo","f19.lo","f20.lo","f21.lo","f22.lo","f23.lo", "f24.lo","f25.lo","f26.lo","f27.lo","f28.lo","f29.lo","f30.lo","f31.lo"}; char *FPR_Ctrl_Name[32] = {"Revision","Unknown","Unknown","Unknown","Unknown", "Unknown","Unknown","Unknown","Unknown","Unknown","Unknown", "Unknown","Unknown","Unknown","Unknown","Unknown","Unknown", "Unknown","Unknown","Unknown","Unknown","Unknown","Unknown", "Unknown","Unknown","Unknown","Unknown","Unknown","Unknown", "Unknown","Unknown","FCSR"}; DWORD RegModValue; //DWORD RegModValue, ViFieldNumber, LLBit, LLAddr; //N64_REGISTERS Registers; int fpuControl; int UnMap_8BitTempReg (CCodeSection * Section); int UnMap_TempReg (CCodeSection * Section); BOOL UnMap_X86reg (CCodeSection * Section, DWORD x86Reg); char *Format_Name[] = {"Unkown","dword","qword","float","double"}; void ChangeFPURegFormat (CCodeSection * Section, int Reg, CRegInfo::FPU_STATE OldFormat, CRegInfo::FPU_STATE NewFormat, CRegInfo::FPU_ROUND RoundingModel) { DWORD i; for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)Reg) { if (Section->FpuState(i) != OldFormat) { UnMap_FPR(Section,Reg,TRUE); Load_FPR_ToTop(Section,Reg,Reg,OldFormat); ChangeFPURegFormat(Section,Reg,OldFormat,NewFormat,RoundingModel); return; } CPU_Message(" regcache: Changed format of ST(%d) from %s to %s", (i - Section->StackTopPos() + 8) & 7,Format_Name[OldFormat],Format_Name[NewFormat]); Section->FpuRoundingModel(i) = RoundingModel; Section->FpuState(i) = NewFormat; return; } } #ifndef EXTERNAL_RELEASE DisplayError("ChangeFormat: Register not on stack!!"); #endif } void ChangeMiIntrMask (void) { if ( ( RegModValue & MI_INTR_MASK_CLR_SP ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_SP; } if ( ( RegModValue & MI_INTR_MASK_SET_SP ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_SP; } if ( ( RegModValue & MI_INTR_MASK_CLR_SI ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_SI; } if ( ( RegModValue & MI_INTR_MASK_SET_SI ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_SI; } if ( ( RegModValue & MI_INTR_MASK_CLR_AI ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_AI; } if ( ( RegModValue & MI_INTR_MASK_SET_AI ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_AI; } if ( ( RegModValue & MI_INTR_MASK_CLR_VI ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_VI; } if ( ( RegModValue & MI_INTR_MASK_SET_VI ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_VI; } if ( ( RegModValue & MI_INTR_MASK_CLR_PI ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_PI; } if ( ( RegModValue & MI_INTR_MASK_SET_PI ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_PI; } if ( ( RegModValue & MI_INTR_MASK_CLR_DP ) != 0 ) { _Reg->MI_INTR_MASK_REG &= ~MI_INTR_MASK_DP; } if ( ( RegModValue & MI_INTR_MASK_SET_DP ) != 0 ) { _Reg->MI_INTR_MASK_REG |= MI_INTR_MASK_DP; } } void ChangeMiModeReg (void) { _Reg->MI_MODE_REG &= ~0x7F; _Reg->MI_MODE_REG |= (RegModValue & 0x7F); if ( ( RegModValue & MI_CLR_INIT ) != 0 ) { _Reg->MI_MODE_REG &= ~MI_MODE_INIT; } if ( ( RegModValue & MI_SET_INIT ) != 0 ) { _Reg->MI_MODE_REG |= MI_MODE_INIT; } if ( ( RegModValue & MI_CLR_EBUS ) != 0 ) { _Reg->MI_MODE_REG &= ~MI_MODE_EBUS; } if ( ( RegModValue & MI_SET_EBUS ) != 0 ) { _Reg->MI_MODE_REG |= MI_MODE_EBUS; } if ( ( RegModValue & MI_CLR_DP_INTR ) != 0 ) { _Reg->MI_INTR_REG &= ~MI_INTR_DP; } if ( ( RegModValue & MI_CLR_RDRAM ) != 0 ) { _Reg->MI_MODE_REG &= ~MI_MODE_RDRAM; } if ( ( RegModValue & MI_SET_RDRAM ) != 0 ) { _Reg->MI_MODE_REG |= MI_MODE_RDRAM; } } void ChangeSpStatus (void) { if ( ( RegModValue & SP_CLR_HALT ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_HALT; } if ( ( RegModValue & SP_SET_HALT ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_HALT; } if ( ( RegModValue & SP_CLR_BROKE ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_BROKE; } if ( ( RegModValue & SP_CLR_INTR ) != 0) { _Reg->MI_INTR_REG &= ~MI_INTR_SP; CheckInterrupts(); } #ifndef EXTERNAL_RELEASE if ( ( RegModValue & SP_SET_INTR ) != 0) { DisplayError("SP_SET_INTR"); } #endif if ( ( RegModValue & SP_CLR_SSTEP ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SSTEP; } if ( ( RegModValue & SP_SET_SSTEP ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SSTEP; } if ( ( RegModValue & SP_CLR_INTR_BREAK ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_INTR_BREAK; } if ( ( RegModValue & SP_SET_INTR_BREAK ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_INTR_BREAK; } if ( ( RegModValue & SP_CLR_SIG0 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG0; } if ( ( RegModValue & SP_SET_SIG0 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG0; } if ( ( RegModValue & SP_CLR_SIG1 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG1; } if ( ( RegModValue & SP_SET_SIG1 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG1; } if ( ( RegModValue & SP_CLR_SIG2 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG2; } if ( ( RegModValue & SP_SET_SIG2 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG2; } if ( ( RegModValue & SP_CLR_SIG3 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG3; } if ( ( RegModValue & SP_SET_SIG3 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG3; } if ( ( RegModValue & SP_CLR_SIG4 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG4; } if ( ( RegModValue & SP_SET_SIG4 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG4; } if ( ( RegModValue & SP_CLR_SIG5 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG5; } if ( ( RegModValue & SP_SET_SIG5 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG5; } if ( ( RegModValue & SP_CLR_SIG6 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG6; } if ( ( RegModValue & SP_SET_SIG6 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG6; } if ( ( RegModValue & SP_CLR_SIG7 ) != 0) { _Reg->SP_STATUS_REG &= ~SP_STATUS_SIG7; } if ( ( RegModValue & SP_SET_SIG7 ) != 0) { _Reg->SP_STATUS_REG |= SP_STATUS_SIG7; } if ( ( RegModValue & SP_SET_SIG0 ) != 0 && AudioSignal) { _Reg->MI_INTR_REG |= MI_INTR_SP; CheckInterrupts(); } //if (*( DWORD *)(DMEM + 0xFC0) == 1) { // ChangeTimer(RspTimer,0x40000); //} else { RunRsp(); //} } int Free8BitX86Reg (CCodeSection * Section) { int x86Reg, count, MapCount[10], MapReg[10]; if (Section->x86Mapped(x86_EBX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EBX)) {return x86_EBX; } if (Section->x86Mapped(x86_EAX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EAX)) {return x86_EAX; } if (Section->x86Mapped(x86_EDX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EDX)) {return x86_EDX; } if (Section->x86Mapped(x86_ECX) == CRegInfo::NotMapped && !Section->x86Protected(x86_ECX)) {return x86_ECX; } x86Reg = UnMap_8BitTempReg(Section); if (x86Reg > 0) { return x86Reg; } for (count = 0; count < 10; count ++) { MapCount[count] = Section->x86MapOrder(count); MapReg[count] = count; } for (count = 0; count < 10; count ++) { int i; for (i = 0; i < 9; i ++) { int temp; if (MapCount[i] < MapCount[i+1]) { temp = MapCount[i]; MapCount[i] = MapCount[i+1]; MapCount[i+1] = temp; temp = MapReg[i]; MapReg[i] = MapReg[i+1]; MapReg[i+1] = temp; } } } for (count = 0; count < 10; count ++) { if (MapCount[count] > 0) { if (!Is8BitReg(count)) { continue; } if (UnMap_X86reg(Section,count)) { return count; } } } return -1; } int FreeX86Reg (CCodeSection * Section) { int x86Reg, count, MapCount[10], MapReg[10], StackReg; if (Section->x86Mapped(x86_EDI) == CRegInfo::NotMapped && !Section->x86Protected(x86_EDI)) {return x86_EDI; } if (Section->x86Mapped(x86_ESI) == CRegInfo::NotMapped && !Section->x86Protected(x86_ESI)) {return x86_ESI; } if (Section->x86Mapped(x86_EBX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EBX)) {return x86_EBX; } if (Section->x86Mapped(x86_EAX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EAX)) {return x86_EAX; } if (Section->x86Mapped(x86_EDX) == CRegInfo::NotMapped && !Section->x86Protected(x86_EDX)) {return x86_EDX; } if (Section->x86Mapped(x86_ECX) == CRegInfo::NotMapped && !Section->x86Protected(x86_ECX)) {return x86_ECX; } x86Reg = UnMap_TempReg(Section); if (x86Reg > 0) { return x86Reg; } for (count = 0; count < 10; count ++) { MapCount[count] = Section->x86MapOrder(count); MapReg[count] = count; } for (count = 0; count < 10; count ++) { int i; for (i = 0; i < 9; i ++) { int temp; if (MapCount[i] < MapCount[i+1]) { temp = MapCount[i]; MapCount[i] = MapCount[i+1]; MapCount[i+1] = temp; temp = MapReg[i]; MapReg[i] = MapReg[i+1]; MapReg[i+1] = temp; } } } StackReg = -1; for (count = 0; count < 10; count ++) { if (MapCount[count] > 0 && Section->x86Mapped(MapReg[count]) != CRegInfo::Stack_Mapped) { if (UnMap_X86reg(Section,MapReg[count])) { return MapReg[count]; } } if (Section->x86Mapped(MapReg[count]) == CRegInfo::Stack_Mapped) { StackReg = MapReg[count]; } } if (StackReg > 0) { UnMap_X86reg(Section,StackReg); return StackReg; } return -1; } #ifdef toremove void InitalizeR4300iRegisters (int UsePif, int Country, int CIC_Chip) { memset(CP0,0,sizeof(Registers.CP0)); memset(FPCR,0,sizeof(Registers.FPCR)); memset(RegRDRAM,0,sizeof(Registers.RDRAM)); memset(RegSP,0,sizeof(Registers.SP)); memset(RegDPC,0,sizeof(Registers.DPC)); memset(RegMI,0,sizeof(Registers.MI)); memset(RegVI,0,sizeof(Registers.VI)); memset(RegAI,0,sizeof(Registers.AI)); memset(RegPI,0,sizeof(Registers.PI)); memset(RegRI,0,sizeof(Registers.RI)); memset(RegSI,0,sizeof(Registers.SI)); memset(_GPR,0,sizeof(Registers._GPR)); memset(FPR,0,sizeof(Registers.FPR)); if (CIC_Chip < 0) { DisplayError(GS(MSG_UNKNOWN_CIC_CHIP)); CIC_Chip = 2; } LO.DW = 0x0; HI.DW = 0x0; RANDOM_REGISTER = 0x1F; COUNT_REGISTER = 0x5000; MI_VERSION_REG = 0x02020102; SP_STATUS_REG = 0x00000001; CAUSE_REGISTER = 0x0000005C; //ENTRYHI_REGISTER = 0xFFFFE0FF; CONTEXT_REGISTER = 0x007FFFF0; EPC_REGISTER = 0xFFFFFFFF; BAD_VADDR_REGISTER = 0xFFFFFFFF; ERROREPC_REGISTER = 0xFFFFFFFF; CONFIG_REGISTER = 0x0006E463; REVISION_REGISTER = 0x00000511; STATUS_REGISTER = 0x34000000; SetFpuLocations(); if (UsePif) { PROGRAM_COUNTER = 0xBFC00000; switch (CIC_Chip) { case 1: PIF_Ram[36] = 0x00; PIF_Ram[37] = 0x06; PIF_Ram[38] = 0x3F; PIF_Ram[39] = 0x3F; break; case 2: PIF_Ram[36] = 0x00; PIF_Ram[37] = 0x02; PIF_Ram[38] = 0x3F; PIF_Ram[39] = 0x3F; break; case 3: PIF_Ram[36] = 0x00; PIF_Ram[37] = 0x02; PIF_Ram[38] = 0x78; PIF_Ram[39] = 0x3F; break; case 5: PIF_Ram[36] = 0x00; PIF_Ram[37] = 0x02; PIF_Ram[38] = 0x91; PIF_Ram[39] = 0x3F; break; case 6: PIF_Ram[36] = 0x00; PIF_Ram[37] = 0x02; PIF_Ram[38] = 0x85; PIF_Ram[39] = 0x3F; break; } } else { memcpy( (N64MEM+0x4000040), (ROM + 0x040), 0xFBC); PROGRAM_COUNTER = 0xA4000040; _GPR[0].DW=0x0000000000000000; _GPR[6].DW=0xFFFFFFFFA4001F0C; _GPR[7].DW=0xFFFFFFFFA4001F08; _GPR[8].DW=0x00000000000000C0; _GPR[9].DW=0x0000000000000000; _GPR[10].DW=0x0000000000000040; _GPR[11].DW=0xFFFFFFFFA4000040; _GPR[16].DW=0x0000000000000000; _GPR[17].DW=0x0000000000000000; _GPR[18].DW=0x0000000000000000; _GPR[19].DW=0x0000000000000000; _GPR[21].DW=0x0000000000000000; _GPR[26].DW=0x0000000000000000; _GPR[27].DW=0x0000000000000000; _GPR[28].DW=0x0000000000000000; _GPR[29].DW=0xFFFFFFFFA4001FF0; _GPR[30].DW=0x0000000000000000; switch (Country) { case 0x44: //Germany case 0x46: //french case 0x49: //Italian case 0x50: //Europe case 0x53: //Spanish case 0x55: //Australia case 0x58: // ???? case 0x59: // X (PAL) switch (CIC_Chip) { case 2: _GPR[5].DW=0xFFFFFFFFC0F1D859; _GPR[14].DW=0x000000002DE108EA; _GPR[24].DW=0x0000000000000000; break; case 3: _GPR[5].DW=0xFFFFFFFFD4646273; _GPR[14].DW=0x000000001AF99984; _GPR[24].DW=0x0000000000000000; break; case 5: *(DWORD *)&IMEM[0x04] = 0xBDA807FC; _GPR[5].DW=0xFFFFFFFFDECAAAD1; _GPR[14].DW=0x000000000CF85C13; _GPR[24].DW=0x0000000000000002; break; case 6: _GPR[5].DW=0xFFFFFFFFB04DC903; _GPR[14].DW=0x000000001AF99984; _GPR[24].DW=0x0000000000000002; break; } _GPR[20].DW=0x0000000000000000; _GPR[23].DW=0x0000000000000006; _GPR[31].DW=0xFFFFFFFFA4001554; break; case 0x37: // 7 (Beta) case 0x41: // ???? case 0x45: //USA case 0x4A: //Japan default: switch (CIC_Chip) { case 2: _GPR[5].DW=0xFFFFFFFFC95973D5; _GPR[14].DW=0x000000002449A366; break; case 3: _GPR[5].DW=0xFFFFFFFF95315A28; _GPR[14].DW=0x000000005BACA1DF; break; case 5: *(DWORD *)&IMEM[0x04] = 0x8DA807FC; _GPR[5].DW=0x000000005493FB9A; _GPR[14].DW=0xFFFFFFFFC2C20384; case 6: _GPR[5].DW=0xFFFFFFFFE067221F; _GPR[14].DW=0x000000005CD2B70F; break; } _GPR[20].DW=0x0000000000000001; _GPR[23].DW=0x0000000000000000; _GPR[24].DW=0x0000000000000003; _GPR[31].DW=0xFFFFFFFFA4001550; } switch (CIC_Chip) { case 1: _GPR[22].DW=0x000000000000003F; break; case 2: _GPR[1].DW=0x0000000000000001; _GPR[2].DW=0x000000000EBDA536; _GPR[3].DW=0x000000000EBDA536; _GPR[4].DW=0x000000000000A536; _GPR[12].DW=0xFFFFFFFFED10D0B3; _GPR[13].DW=0x000000001402A4CC; _GPR[15].DW=0x000000003103E121; _GPR[22].DW=0x000000000000003F; _GPR[25].DW=0xFFFFFFFF9DEBB54F; break; case 3: _GPR[1].DW=0x0000000000000001; _GPR[2].DW=0x0000000049A5EE96; _GPR[3].DW=0x0000000049A5EE96; _GPR[4].DW=0x000000000000EE96; _GPR[12].DW=0xFFFFFFFFCE9DFBF7; _GPR[13].DW=0xFFFFFFFFCE9DFBF7; _GPR[15].DW=0x0000000018B63D28; _GPR[22].DW=0x0000000000000078; _GPR[25].DW=0xFFFFFFFF825B21C9; break; case 5: *(DWORD *)&IMEM[0x00] = 0x3C0DBFC0; *(DWORD *)&IMEM[0x08] = 0x25AD07C0; *(DWORD *)&IMEM[0x0C] = 0x31080080; *(DWORD *)&IMEM[0x10] = 0x5500FFFC; *(DWORD *)&IMEM[0x14] = 0x3C0DBFC0; *(DWORD *)&IMEM[0x18] = 0x8DA80024; *(DWORD *)&IMEM[0x1C] = 0x3C0BB000; _GPR[1].DW=0x0000000000000000; _GPR[2].DW=0xFFFFFFFFF58B0FBF; _GPR[3].DW=0xFFFFFFFFF58B0FBF; _GPR[4].DW=0x0000000000000FBF; _GPR[12].DW=0xFFFFFFFF9651F81E; _GPR[13].DW=0x000000002D42AAC5; _GPR[15].DW=0x0000000056584D60; _GPR[22].DW=0x0000000000000091; _GPR[25].DW=0xFFFFFFFFCDCE565F; break; case 6: _GPR[1].DW=0x0000000000000000; _GPR[2].DW=0xFFFFFFFFA95930A4; _GPR[3].DW=0xFFFFFFFFA95930A4; _GPR[4].DW=0x00000000000030A4; _GPR[12].DW=0xFFFFFFFFBCB59510; _GPR[13].DW=0xFFFFFFFFBCB59510; _GPR[15].DW=0x000000007A3C07F4; _GPR[22].DW=0x0000000000000085; _GPR[25].DW=0x00000000465E3F72; break; } } #ifdef Interpreter_StackTest StackValue = _GPR[29].W[0]; #endif MemoryStack = (DWORD)(N64MEM+(_GPR[29].W[0] & 0x1FFFFFFF)); } #endif BOOL Is8BitReg (int x86Reg) { if (x86Reg == x86_EAX) { return TRUE; } if (x86Reg == x86_EBX) { return TRUE; } if (x86Reg == x86_ECX) { return TRUE; } if (x86Reg == x86_EDX) { return TRUE; } return FALSE; } void Load_FPR_ToTop (CCodeSection * Section, int Reg, int RegToLoad, CRegInfo::FPU_STATE Format) { int i; if (RegToLoad < 0) { DisplayError("Load_FPR_ToTop\nRegToLoad < 0 ???"); return; } if (Reg < 0) { DisplayError("Load_FPR_ToTop\nReg < 0 ???"); return; } if (Format == CRegInfo::FPU_Double || Format == CRegInfo::FPU_Qword) { UnMap_FPR(Section,Reg + 1,TRUE); UnMap_FPR(Section,RegToLoad + 1,TRUE); } else { if ((Reg & 1) != 0) { for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)(Reg - 1)) { if (Section->FpuState(i) == CRegInfo::FPU_Double || Section->FpuState(i) == CRegInfo::FPU_Qword) { UnMap_FPR(Section,Reg,TRUE); } i = 8; } } } if ((RegToLoad & 1) != 0) { for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)(RegToLoad - 1)) { if (Section->FpuState(i) == CRegInfo::FPU_Double || Section->FpuState(i) == CRegInfo::FPU_Qword) { UnMap_FPR(Section,RegToLoad,TRUE); } i = 8; } } } } if (Reg == RegToLoad) { //if different format then unmap original reg from stack for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)Reg) { if (Section->FpuState(i) != (DWORD)Format) { UnMap_FPR(Section,Reg,TRUE); } i = 8; } } } else { UnMap_FPR(Section,Reg,FALSE); } if (RegInStack(Section,RegToLoad,Format)) { if (Reg != RegToLoad) { if (Section->FpuMappedTo((Section->StackTopPos() - 1) & 7) != (DWORD)RegToLoad) { UnMap_FPR(Section,Section->FpuMappedTo((Section->StackTopPos() - 1) & 7),TRUE); CPU_Message(" regcache: allocate ST(0) to %s", FPR_Name[Reg]); fpuLoadReg(&Section->StackTopPos(),StackPosition(Section,RegToLoad)); Section->FpuRoundingModel(Section->StackTopPos()) = CRegInfo::RoundDefault; Section->FpuMappedTo(Section->StackTopPos()) = Reg; Section->FpuState(Section->StackTopPos()) = Format; } else { UnMap_FPR(Section,Section->FpuMappedTo((Section->StackTopPos() - 1) & 7),TRUE); Load_FPR_ToTop (Section,Reg, RegToLoad, Format); } } else { DWORD RegPos, StackPos, i; for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)Reg) { RegPos = i; i = 8; } } if (RegPos == Section->StackTopPos()) { return; } StackPos = StackPosition(Section,Reg); Section->FpuRoundingModel(RegPos) = Section->FpuRoundingModel(Section->StackTopPos()); Section->FpuMappedTo(RegPos) = Section->FpuMappedTo(Section->StackTopPos()); Section->FpuState(RegPos) = Section->FpuState(Section->StackTopPos()); CPU_Message(" regcache: allocate ST(%d) to %s", StackPos,FPR_Name[Section->FpuMappedTo(RegPos)]); CPU_Message(" regcache: allocate ST(0) to %s", FPR_Name[Reg]); fpuExchange(StackPos); Section->FpuRoundingModel(Section->StackTopPos()) = CRegInfo::RoundDefault; Section->FpuMappedTo(Section->StackTopPos()) = Reg; Section->FpuState(Section->StackTopPos()) = Format; } } else { char Name[50]; int TempReg; UnMap_FPR(Section,Section->FpuMappedTo((Section->StackTopPos() - 1) & 7),TRUE); for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)RegToLoad) { UnMap_FPR(Section,RegToLoad,TRUE); i = 8; } } CPU_Message(" regcache: allocate ST(0) to %s", FPR_Name[Reg]); TempReg = Map_TempReg(Section,x86_Any,-1,FALSE); switch (Format) { case CRegInfo::FPU_Dword: sprintf(Name,"_FPRFloatLocation[%d]",RegToLoad); MoveVariableToX86reg(&_FPRFloatLocation[RegToLoad],Name,TempReg); fpuLoadIntegerDwordFromX86Reg(&Section->StackTopPos(),TempReg); break; case CRegInfo::FPU_Qword: sprintf(Name,"_FPRDoubleLocation[%d]",RegToLoad); MoveVariableToX86reg(&_FPRDoubleLocation[RegToLoad],Name,TempReg); fpuLoadIntegerQwordFromX86Reg(&Section->StackTopPos(),TempReg); break; case CRegInfo::FPU_Float: sprintf(Name,"_FPRFloatLocation[%d]",RegToLoad); MoveVariableToX86reg(&_FPRFloatLocation[RegToLoad],Name,TempReg); fpuLoadDwordFromX86Reg(&Section->StackTopPos(),TempReg); break; case CRegInfo::FPU_Double: sprintf(Name,"_FPRDoubleLocation[%d]",RegToLoad); MoveVariableToX86reg(&_FPRDoubleLocation[RegToLoad],Name,TempReg); fpuLoadQwordFromX86Reg(&Section->StackTopPos(),TempReg); break; #ifndef EXTERNAL_RELEASE default: DisplayError("Load_FPR_ToTop\nUnkown format to load %d",Format); #endif } Section->x86Protected(TempReg) = FALSE; Section->FpuRoundingModel(Section->StackTopPos()) = CRegInfo::RoundDefault; Section->FpuMappedTo(Section->StackTopPos()) = Reg; Section->FpuState(Section->StackTopPos()) = Format; } CPU_Message("CurrentRoundingModel: %d FpuRoundingModel(StackTopPos()): %d", Section->CurrentRoundingModel(),Section->FpuRoundingModel(Section->StackTopPos())); } void Map_GPR_32bit (CCodeSection * Section, int Reg, BOOL SignValue, int MipsRegToLoad) { int x86Reg,count; if (Reg == 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_GPR_32bit\n\nWhy are you trying to map reg 0"); #endif return; } if (Section->IsUnknown(Reg) || Section->IsConst(Reg)) { x86Reg = FreeX86Reg(Section); if (x86Reg < 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_GPR_32bit\n\nOut of registers"); BreakPoint(__FILE__,__LINE__); #endif return; } CPU_Message(" regcache: allocate %s to %s",x86_Name(x86Reg),GPR_Name[Reg]); } else { if (Section->Is64Bit(Reg)) { CPU_Message(" regcache: unallocate %s from high 32bit of %s",x86_Name(Section->MipsRegHi(Reg)),GPR_NameHi[Reg]); Section->x86MapOrder(Section->MipsRegHi(Reg)) = 0; Section->x86Mapped(Section->MipsRegHi(Reg)) = CRegInfo::NotMapped; Section->x86Protected(Section->MipsRegHi(Reg)) = FALSE; Section->MipsRegHi(Reg) = 0; } x86Reg = Section->MipsRegLo(Reg); } for (count = 0; count < 10; count ++) { if (Section->x86MapOrder(count) > 0) { Section->x86MapOrder(count) += 1; } } Section->x86MapOrder(x86Reg) = 1; if (MipsRegToLoad > 0) { if (Section->IsUnknown(MipsRegToLoad)) { MoveVariableToX86reg(&_GPR[MipsRegToLoad].UW[0],GPR_NameLo[MipsRegToLoad],x86Reg); } else if (Section->IsMapped(MipsRegToLoad)) { if (Reg != MipsRegToLoad) { MoveX86RegToX86Reg(Section->MipsRegLo(MipsRegToLoad),x86Reg); } } else { if (Section->MipsRegLo(MipsRegToLoad) != 0) { MoveConstToX86reg(Section->MipsRegLo(MipsRegToLoad),x86Reg); } else { XorX86RegToX86Reg(x86Reg,x86Reg); } } } else if (MipsRegToLoad == 0) { XorX86RegToX86Reg(x86Reg,x86Reg); } Section->x86Mapped(x86Reg) = CRegInfo::GPR_Mapped; Section->x86Protected(x86Reg) = TRUE; Section->MipsRegLo(Reg) = x86Reg; Section->MipsRegState(Reg) = SignValue ? CRegInfo::STATE_MAPPED_32_SIGN : CRegInfo::STATE_MAPPED_32_ZERO; } void Map_GPR_64bit (CCodeSection * Section, int Reg, int MipsRegToLoad) { int x86Hi, x86lo, count; if (Reg == 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_GPR_32bit\n\nWhy are you trying to map reg 0"); #endif return; } ProtectGPR(Section,Reg); if (Section->IsUnknown(Reg) || Section->IsConst(Reg)) { x86Hi = FreeX86Reg(Section); if (x86Hi < 0) { DisplayError("Map_GPR_64bit\n\nOut of registers"); return; } Section->x86Protected(x86Hi) = TRUE; x86lo = FreeX86Reg(Section); if (x86lo < 0) { DisplayError("Map_GPR_64bit\n\nOut of registers"); return; } Section->x86Protected(x86lo) = TRUE; CPU_Message(" regcache: allocate %s to hi word of %s",x86_Name(x86Hi),GPR_Name[Reg]); CPU_Message(" regcache: allocate %s to low word of %s",x86_Name(x86lo),GPR_Name[Reg]); } else { x86lo = Section->MipsRegLo(Reg); if (Section->Is32Bit(Reg)) { Section->x86Protected(x86lo) = TRUE; x86Hi = FreeX86Reg(Section); if (x86Hi < 0) { DisplayError("Map_GPR_64bit\n\nOut of registers"); return; } Section->x86Protected(x86Hi) = TRUE; } else { x86Hi = Section->MipsRegHi(Reg); } } for (count = 0; count < 10; count ++) { if (Section->x86MapOrder(count) > 0) { Section->x86MapOrder(count) += 1; } } Section->x86MapOrder(x86Hi) = 1; Section->x86MapOrder(x86lo) = 1; if (MipsRegToLoad > 0) { if (Section->IsUnknown(MipsRegToLoad)) { MoveVariableToX86reg(&_GPR[MipsRegToLoad].UW[1],GPR_NameHi[MipsRegToLoad],x86Hi); MoveVariableToX86reg(&_GPR[MipsRegToLoad].UW[0],GPR_NameLo[MipsRegToLoad],x86lo); } else if (Section->IsMapped(MipsRegToLoad)) { if (Section->Is32Bit(MipsRegToLoad)) { if (Section->IsSigned(MipsRegToLoad)) { MoveX86RegToX86Reg(Section->MipsRegLo(MipsRegToLoad),x86Hi); ShiftRightSignImmed(x86Hi,31); } else { XorX86RegToX86Reg(x86Hi,x86Hi); } if (Reg != MipsRegToLoad) { MoveX86RegToX86Reg(Section->MipsRegLo(MipsRegToLoad),x86lo); } } else { if (Reg != MipsRegToLoad) { MoveX86RegToX86Reg(Section->MipsRegHi(MipsRegToLoad),x86Hi); MoveX86RegToX86Reg(Section->MipsRegLo(MipsRegToLoad),x86lo); } } } else { CPU_Message("Map_GPR_64bit 11"); if (Section->Is32Bit(MipsRegToLoad)) { if (Section->IsSigned(MipsRegToLoad)) { if (Section->MipsRegLo((int)Section->MipsRegLo(MipsRegToLoad) >> 31) != 0) { MoveConstToX86reg((int)Section->MipsRegLo(MipsRegToLoad) >> 31,x86Hi); } else { XorX86RegToX86Reg(x86Hi,x86Hi); } } else { XorX86RegToX86Reg(x86Hi,x86Hi); } } else { if (Section->MipsRegHi(MipsRegToLoad) != 0) { MoveConstToX86reg(Section->MipsRegHi(MipsRegToLoad),x86Hi); } else { XorX86RegToX86Reg(x86Hi,x86Hi); } } if (Section->MipsRegLo(MipsRegToLoad) != 0) { MoveConstToX86reg(Section->MipsRegLo(MipsRegToLoad),x86lo); } else { XorX86RegToX86Reg(x86lo,x86lo); } } } else if (MipsRegToLoad == 0) { XorX86RegToX86Reg(x86Hi,x86Hi); XorX86RegToX86Reg(x86lo,x86lo); } Section->x86Mapped(x86Hi) = CRegInfo::GPR_Mapped; Section->x86Mapped(x86lo) = CRegInfo::GPR_Mapped; Section->MipsRegHi(Reg) = x86Hi; Section->MipsRegLo(Reg) = x86lo; Section->MipsRegState(Reg) = CRegInfo::STATE_MAPPED_64; } int Map_MemoryStack (CCodeSection * Section, int Reg, bool MapRegister) { int CurrentMap = -1; // check to see what the current mapping is for (int x86Reg = 0; x86Reg < 10; x86Reg ++ ) { if (Section->x86Mapped(x86Reg) == CRegInfo::Stack_Mapped) { CurrentMap = x86Reg; } } if (!MapRegister) { //if not mapping then just return what the current mapping is return CurrentMap; } if (CurrentMap > 0 && CurrentMap == Reg) { //already mapped to correct reg return CurrentMap; } // map a register _Notify->BreakPoint(__FILE__,__LINE__); #ifdef tofix if (Reg == x86_Any) { if (CurrentMap > 0) { return CurrentMap; } x86Reg = FreeX86Reg(Section); if (x86Reg < 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_MemoryStack\n\nOut of registers"); BreakPoint(__FILE__,__LINE__); #endif } Section->x86Mapped(x86Reg) = CRegInfo::Stack_Mapped; CPU_Message(" regcache: allocate %s as Memory Stack",x86_Name(x86Reg)); MoveVariableToX86reg(g_MemoryStack,"MemoryStack",x86Reg); return x86Reg; } //move to a register/allocate register UnMap_X86reg(Section, Reg); if (CurrentMap >= 0) { CPU_Message(" regcache: change allocation of Memory Stack from %s to %s",x86_Name(CurrentMap),x86_Name(Reg)); Section->x86Mapped(Reg) = CRegInfo::Stack_Mapped; Section->x86Mapped(CurrentMap) = CRegInfo::NotMapped; MoveX86RegToX86Reg(CurrentMap,Reg); } else { Section->x86Mapped(Reg) = CRegInfo::Stack_Mapped; CPU_Message(" regcache: allocate %s as Memory Stack",x86_Name(Reg)); MoveVariableToX86reg(g_MemoryStack,"MemoryStack",Reg); } #endif return Reg; } int Map_TempReg (CCodeSection * Section, int x86Reg, int MipsReg, BOOL LoadHiWord) { int count; if (x86Reg == x86_Any) { for (count = 0; count < 10; count ++ ) { if (Section->x86Mapped(count) == CRegInfo::Temp_Mapped) { if (Section->x86Protected(count) == FALSE) { x86Reg = count; } } } if (x86Reg == x86_Any) { x86Reg = FreeX86Reg(Section); if (x86Reg < 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_TempReg\n\nOut of registers"); BreakPoint(__FILE__,__LINE__); #endif x86Reg = FreeX86Reg(Section); return -1; } CPU_Message(" regcache: allocate %s as temp storage",x86_Name(x86Reg)); } } else if (x86Reg == x86_Any8Bit) { if (Section->x86Mapped(x86_EBX) == CRegInfo::Temp_Mapped && !Section->x86Protected(x86_EBX)) { x86Reg = x86_EBX; } if (Section->x86Mapped(x86_EAX) == CRegInfo::Temp_Mapped && !Section->x86Protected(x86_EAX)) { x86Reg = x86_EAX; } if (Section->x86Mapped(x86_EDX) == CRegInfo::Temp_Mapped && !Section->x86Protected(x86_EDX)) { x86Reg = x86_EDX; } if (Section->x86Mapped(x86_ECX) == CRegInfo::Temp_Mapped && !Section->x86Protected(x86_ECX)) { x86Reg = x86_ECX; } if (x86Reg == x86_Any8Bit) { x86Reg = Free8BitX86Reg(Section); if (x86Reg < 0) { #ifndef EXTERNAL_RELEASE DisplayError("Map_GPR_8bit\n\nOut of registers"); BreakPoint(__FILE__,__LINE__); #endif return -1; } } } else { int NewReg; if (Section->x86Mapped(x86Reg) == CRegInfo::GPR_Mapped) { if (Section->x86Protected(x86Reg) == TRUE) { #ifndef EXTERNAL_RELEASE DisplayError("Map_TempReg\nRegister is protected !!!"); #endif return -1; } Section->x86Protected(x86Reg) = TRUE; NewReg = FreeX86Reg(Section); for (count = 1; count < 32; count ++) { if (Section->IsMapped(count)) { if (Section->MipsRegLo(count) == (DWORD)x86Reg) { if (NewReg < 0) { UnMap_GPR(Section,count,TRUE); count = 32; continue; } CPU_Message(" regcache: change allocation of %s from %s to %s", GPR_Name[count],x86_Name(x86Reg),x86_Name(NewReg)); Section->x86Mapped(NewReg) = CRegInfo::GPR_Mapped; Section->x86MapOrder(NewReg) = Section->x86MapOrder(x86Reg); Section->MipsRegLo(count) = NewReg; MoveX86RegToX86Reg(x86Reg,NewReg); if (MipsReg == count && LoadHiWord == FALSE) { MipsReg = -1; } count = 32; } if (Section->Is64Bit(count) && Section->MipsRegHi(count) == (DWORD)x86Reg) { if (NewReg < 0) { UnMap_GPR(Section,count,TRUE); count = 32; continue; } CPU_Message(" regcache: change allocation of %s from %s to %s", GPR_NameHi[count],x86_Name(x86Reg),x86_Name(NewReg)); Section->x86Mapped(NewReg) = CRegInfo::GPR_Mapped; Section->x86MapOrder(NewReg) = Section->x86MapOrder(x86Reg); Section->MipsRegHi(count) = NewReg; MoveX86RegToX86Reg(x86Reg,NewReg); if (MipsReg == count && LoadHiWord == TRUE) { MipsReg = -1; } count = 32; } } } } if (Section->x86Mapped(x86Reg) == CRegInfo::Stack_Mapped) { UnMap_X86reg(Section,x86Reg); } CPU_Message(" regcache: allocate %s as temp storage",x86_Name(x86Reg)); } if (MipsReg >= 0) { if (LoadHiWord) { if (Section->IsUnknown(MipsReg)) { MoveVariableToX86reg(&_GPR[MipsReg].UW[1],GPR_NameHi[MipsReg],x86Reg); } else if (Section->IsMapped(MipsReg)) { if (Section->Is64Bit(MipsReg)) { MoveX86RegToX86Reg(Section->MipsRegHi(MipsReg),x86Reg); } else if (Section->IsSigned(MipsReg)){ MoveX86RegToX86Reg(Section->MipsRegLo(MipsReg),x86Reg); ShiftRightSignImmed(x86Reg,31); } else { MoveConstToX86reg(0,x86Reg); } } else { if (Section->Is64Bit(MipsReg)) { if (Section->MipsRegHi(MipsReg) != 0) { MoveConstToX86reg(Section->MipsRegHi(MipsReg),x86Reg); } else { XorX86RegToX86Reg(x86Reg,x86Reg); } } else { if ((int)Section->MipsRegLo(MipsReg) >> 31 != 0) { MoveConstToX86reg((int)Section->MipsRegLo(MipsReg) >> 31,x86Reg); } else { XorX86RegToX86Reg(x86Reg,x86Reg); } } } } else { if (Section->IsUnknown(MipsReg)) { MoveVariableToX86reg(&_GPR[MipsReg].UW[0],GPR_NameLo[MipsReg],x86Reg); } else if (Section->IsMapped(MipsReg)) { MoveX86RegToX86Reg(Section->MipsRegLo(MipsReg),x86Reg); } else { if (Section->MipsRegLo(MipsReg) != 0) { MoveConstToX86reg(Section->MipsRegLo(MipsReg),x86Reg); } else { XorX86RegToX86Reg(x86Reg,x86Reg); } } } } Section->x86Mapped(x86Reg) = CRegInfo::Temp_Mapped; Section->x86Protected(x86Reg) = TRUE; for (count = 0; count < 10; count ++) { if (Section->x86MapOrder(count) > 0) { Section->x86MapOrder(count) += 1; } } Section->x86MapOrder(x86Reg) = 1; return x86Reg; } void ProtectGPR(CCodeSection * Section, DWORD Reg) { if (Section->IsUnknown(Reg)) { return; } if (Section->IsConst(Reg)) { return; } if (Section->Is64Bit(Reg)) { Section->x86Protected(Section->MipsRegHi(Reg)) = TRUE; } Section->x86Protected(Section->MipsRegLo(Reg)) = TRUE; } BOOL RegInStack(CCodeSection * Section,int Reg, int Format) { int i; for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)Reg) { if (Section->FpuState(i) == (DWORD)Format) { return TRUE; } else if (Format == -1) { return TRUE; } return FALSE; } } return FALSE; } #ifdef ggg void SetFpuLocations (void) { int count; if ((STATUS_REGISTER & STATUS_FR) == 0) { for (count = 0; count < 32; count ++) { _FPRFloatLocation[count] = (void *)(&FPR[count >> 1].W[count & 1]); //_FPRDoubleLocation[count] = _FPRFloatLocation[count]; _FPRDoubleLocation[count] = (void *)(&FPR[count >> 1].DW); } } else { for (count = 0; count < 32; count ++) { _FPRFloatLocation[count] = (void *)(&FPR[count].W[1]); //_FPRDoubleLocation[count] = _FPRFloatLocation[count]; _FPRDoubleLocation[count] = (void *)(&FPR[count].DW); } } } void SetupRegisters(N64_REGISTERS * n64_Registers) { PROGRAM_COUNTER = n64_Registers->PROGRAM_COUNTER; HI.DW = n64_Registers->HI.DW; LO.DW = n64_Registers->LO.DW; CP0 = n64_Registers->CP0; _GPR = n64_Registers->_GPR; FPR = n64_Registers->FPR; FPCR = n64_Registers->FPCR; RegRDRAM = n64_Registers->RDRAM; RegSP = n64_Registers->SP; RegDPC = n64_Registers->DPC; RegMI = n64_Registers->MI; RegVI = n64_Registers->VI; RegAI = n64_Registers->AI; RegPI = n64_Registers->PI; RegRI = n64_Registers->RI; RegSI = n64_Registers->SI; PIF_Ram = n64_Registers->PIF_Ram; DMAUsed = n64_Registers->DMAUsed; } #endif int StackPosition (CCodeSection * Section,int Reg) { int i; for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) == (DWORD)Reg) { return ((i - Section->StackTopPos()) & 7); } } return -1; } int UnMap_8BitTempReg (CCodeSection * Section) { int count; for (count = 0; count < 10; count ++) { if (!Is8BitReg(count)) { continue; } if (Section->MipsRegState(count) == CRegInfo::Temp_Mapped) { if (Section->x86Protected(count) == FALSE) { CPU_Message(" regcache: unallocate %s from temp storage",x86_Name(count)); Section->x86Mapped(count) = CRegInfo::NotMapped; return count; } } } return -1; } void UnMap_AllFPRs ( CCodeSection * Section ) { DWORD StackPos; for (;;) { int i, StartPos; StackPos = Section->StackTopPos(); if (Section->FpuMappedTo(Section->StackTopPos()) != -1 ) { UnMap_FPR(Section,Section->FpuMappedTo(Section->StackTopPos()),TRUE); continue; } //see if any more registers mapped StartPos = Section->StackTopPos(); for (i = 0; i < 8; i++) { if (Section->FpuMappedTo((StartPos + i) & 7) != -1 ) { fpuIncStack(&Section->StackTopPos()); } } if (StackPos != Section->StackTopPos()) { continue; } return; } } void FixRoundModel(CCodeSection * Section, CRegInfo::FPU_ROUND RoundMethod ) { if (Section->CurrentRoundingModel() == RoundMethod) { return; } fpuControl = 0; fpuStoreControl(&fpuControl, "fpuControl"); int x86reg = Map_TempReg(Section,x86_Any,-1,FALSE); MoveVariableToX86reg(&fpuControl, "fpuControl", x86reg); AndConstToX86Reg(x86reg, 0xF3FF); switch (RoundMethod) { case CRegInfo::RoundDefault: OrVariableToX86Reg(&FPU_RoundingMode,"FPU_RoundingMode", x86reg); break; case CRegInfo::RoundTruncate: OrConstToX86Reg(0x0C00, x86reg); break; case CRegInfo::RoundNearest: /*OrConstToX86Reg(0x0000, x86reg);*/ break; case CRegInfo::RoundDown: OrConstToX86Reg(0x0400, x86reg); break; case CRegInfo::RoundUp: OrConstToX86Reg(0x0800, x86reg); break; default: DisplayError("Unknown Rounding model"); } MoveX86regToVariable(x86reg, &fpuControl, "fpuControl"); fpuLoadControl(&fpuControl, "fpuControl"); Section->CurrentRoundingModel() = RoundMethod; } void UnMap_FPR (CCodeSection * Section, int Reg, int WriteBackValue ) { char Name[50]; int TempReg; int i; if (Reg < 0) { return; } for (i = 0; i < 8; i++) { if (Section->FpuMappedTo(i) != (DWORD)Reg) { continue; } CPU_Message(" regcache: unallocate %s from ST(%d)",FPR_Name[Reg],(i - Section->StackTopPos() + 8) & 7); if (WriteBackValue) { int RegPos; if (((i - Section->StackTopPos() + 8) & 7) != 0) { CRegInfo::FPU_ROUND RoundingModel = Section->FpuRoundingModel(Section->StackTopPos()); CRegInfo::FPU_STATE RegState = Section->FpuState(Section->StackTopPos()); DWORD MappedTo = Section->FpuMappedTo(Section->StackTopPos()); Section->FpuRoundingModel(Section->StackTopPos()) = Section->FpuRoundingModel(i); Section->FpuMappedTo(Section->StackTopPos()) = Section->FpuMappedTo(i); Section->FpuState(Section->StackTopPos()) = Section->FpuState(i); Section->FpuRoundingModel(i) = RoundingModel; Section->FpuMappedTo(i) = MappedTo; Section->FpuState(i) = RegState; fpuExchange((i - Section->StackTopPos()) & 7); } CPU_Message("CurrentRoundingModel: %d Section->FpuRoundingModel(i): %d", Section->CurrentRoundingModel(),Section->FpuRoundingModel(i)); FixRoundModel(Section,Section->FpuRoundingModel(i)); RegPos = Section->StackTopPos(); TempReg = Map_TempReg(Section,x86_Any,-1,FALSE); switch (Section->FpuState(Section->StackTopPos())) { case CRegInfo::FPU_Dword: sprintf(Name,"_FPRFloatLocation[%d]",Section->FpuMappedTo(Section->StackTopPos())); MoveVariableToX86reg(&_FPRFloatLocation[Section->FpuMappedTo(Section->StackTopPos())],Name,TempReg); fpuStoreIntegerDwordFromX86Reg(&Section->StackTopPos(),TempReg, TRUE); break; case CRegInfo::FPU_Qword: sprintf(Name,"_FPRDoubleLocation[%d]",Section->FpuMappedTo(Section->StackTopPos())); MoveVariableToX86reg(&_FPRDoubleLocation[Section->FpuMappedTo(Section->StackTopPos())],Name,TempReg); fpuStoreIntegerQwordFromX86Reg(&Section->StackTopPos(),TempReg, TRUE); break; case CRegInfo::FPU_Float: sprintf(Name,"_FPRFloatLocation[%d]",Section->FpuMappedTo(Section->StackTopPos())); MoveVariableToX86reg(&_FPRFloatLocation[Section->FpuMappedTo(Section->StackTopPos())],Name,TempReg); fpuStoreDwordFromX86Reg(&Section->StackTopPos(),TempReg, TRUE); break; case CRegInfo::FPU_Double: sprintf(Name,"_FPRDoubleLocation[%d]",Section->FpuMappedTo(Section->StackTopPos())); MoveVariableToX86reg(&_FPRDoubleLocation[Section->FpuMappedTo(Section->StackTopPos())],Name,TempReg); fpuStoreQwordFromX86Reg(&Section->StackTopPos(),TempReg, TRUE); break; #ifndef EXTERNAL_RELEASE default: DisplayError("UnMap_FPR\nUnknown format to load %d",Section->FpuState(Section->StackTopPos())); #endif } Section->x86Protected(TempReg) = FALSE; Section->FpuRoundingModel(RegPos) = CRegInfo::RoundDefault; Section->FpuMappedTo(RegPos) = -1; Section->FpuState(RegPos) = CRegInfo::FPU_Unkown; } else { fpuFree((i - Section->StackTopPos()) & 7); Section->FpuRoundingModel(i) = CRegInfo::RoundDefault; Section->FpuMappedTo(i) = -1; Section->FpuState(i) = CRegInfo::FPU_Unkown; } return; } } void UnMap_GPR (CCodeSection * Section, DWORD Reg, int WriteBackValue) { if (Reg == 0) { #ifndef EXTERNAL_RELEASE DisplayError("UnMap_GPR\n\nWhy are you trying to unmap reg 0"); #endif return; } if (Section->IsUnknown(Reg)) { return; } //CPU_Message("UnMap_GPR: State: %X\tReg: %s\tWriteBack: %s",State,GPR_Name[Reg],WriteBackValue?"TRUE":"FALSE"); if (Section->IsConst(Reg)) { if (!WriteBackValue) { Section->MipsRegState(Reg) = CRegInfo::STATE_UNKNOWN; return; } if (Section->Is64Bit(Reg)) { MoveConstToVariable(Section->MipsRegHi(Reg),&_GPR[Reg].UW[1],GPR_NameHi[Reg]); MoveConstToVariable(Section->MipsRegLo(Reg),&_GPR[Reg].UW[0],GPR_NameLo[Reg]); Section->MipsRegState(Reg) = CRegInfo::STATE_UNKNOWN; return; } if ((Section->MipsRegLo(Reg) & 0x80000000) != 0) { MoveConstToVariable(0xFFFFFFFF,&_GPR[Reg].UW[1],GPR_NameHi[Reg]); } else { MoveConstToVariable(0,&_GPR[Reg].UW[1],GPR_NameHi[Reg]); } MoveConstToVariable(Section->MipsRegLo(Reg),&_GPR[Reg].UW[0],GPR_NameLo[Reg]); Section->MipsRegState(Reg) = CRegInfo::STATE_UNKNOWN; return; } if (Section->Is64Bit(Reg)) { CPU_Message(" regcache: unallocate %s from %s",x86_Name(Section->MipsRegHi(Reg)),GPR_NameHi[Reg]); Section->x86Mapped(Section->MipsRegHi(Reg)) = CRegInfo::NotMapped; Section->x86Protected(Section->MipsRegHi(Reg)) = FALSE; } CPU_Message(" regcache: unallocate %s from %s",x86_Name(Section->MipsRegLo(Reg)),GPR_NameLo[Reg]); Section->x86Mapped(Section->MipsRegLo(Reg)) = CRegInfo::NotMapped; Section->x86Protected(Section->MipsRegLo(Reg)) = FALSE; if (!WriteBackValue) { Section->MipsRegState(Reg) = CRegInfo::STATE_UNKNOWN; return; } MoveX86regToVariable(Section->MipsRegLo(Reg),&_GPR[Reg].UW[0],GPR_NameLo[Reg]); if (Section->Is64Bit(Reg)) { MoveX86regToVariable(Section->MipsRegHi(Reg),&_GPR[Reg].UW[1],GPR_NameHi[Reg]); } else { if (Section->IsSigned(Reg)) { ShiftRightSignImmed(Section->MipsRegLo(Reg),31); MoveX86regToVariable(Section->MipsRegLo(Reg),&_GPR[Reg].UW[1],GPR_NameHi[Reg]); } else { MoveConstToVariable(0,&_GPR[Reg].UW[1],GPR_NameHi[Reg]); } } Section->MipsRegState(Reg) = CRegInfo::STATE_UNKNOWN; } int UnMap_TempReg (CCodeSection * Section) { int count; for (count = 0; count < 10; count ++) { if (Section->x86Mapped(count) == CRegInfo::Temp_Mapped) { if (Section->x86Protected(count) == FALSE) { CPU_Message(" regcache: unallocate %s from temp storage",x86_Name(count)); Section->x86Mapped(count) = CRegInfo::NotMapped; return count; } } } return -1; } BOOL UnMap_X86reg (CCodeSection * Section, DWORD x86Reg) { int count; if (Section->x86Mapped(x86Reg) == CRegInfo::NotMapped && Section->x86Protected(x86Reg) == FALSE) { return TRUE; } if (Section->x86Mapped(x86Reg) == CRegInfo::Temp_Mapped) { if (Section->x86Protected(x86Reg) == FALSE) { CPU_Message(" regcache: unallocate %s from temp storage",x86_Name(x86Reg)); Section->x86Mapped(x86Reg) = CRegInfo::NotMapped; return TRUE; } return FALSE; } for (count = 1; count < 32; count ++) { if (Section->IsMapped(count)) { if (Section->Is64Bit(count)) { if (Section->MipsRegHi(count) == x86Reg) { if (Section->x86Protected(x86Reg) == FALSE) { UnMap_GPR(Section,count,TRUE); return TRUE; } break; } } if (Section->MipsRegLo(count) == x86Reg) { if (Section->x86Protected(x86Reg) == FALSE) { UnMap_GPR(Section,count,TRUE); return TRUE; } break; } } } _Notify->BreakPoint(__FILE__,__LINE__); #ifdef tofix if (Section->x86Mapped(x86Reg) == CRegInfo::Stack_Mapped) { CPU_Message(" regcache: unallocate %s from Memory Stack",x86_Name(x86Reg)); MoveX86regToVariable(x86Reg,g_MemoryStack,"MemoryStack"); Section->x86Mapped(x86Reg) = CRegInfo::NotMapped; return TRUE; } #endif return FALSE; } void UnProtectGPR(CCodeSection * Section, DWORD Reg) { if (Section->IsUnknown(Reg)) { return; } if (Section->IsConst(Reg)) { return; } if (Section->Is64Bit(Reg)) { Section->x86Protected(Section->MipsRegHi(Reg)) = FALSE; } Section->x86Protected(Section->MipsRegLo(Reg)) = FALSE; } /*void WriteBackRegisters (CCodeSection * Section) { int count; for (count = 1; count < 10; count ++) { Section->x86Protected(count) = FALSE; } for (count = 1; count < 10; count ++) { UnMap_X86reg (Section, count); } for (count = 1; count < 32; count ++) { switch (Section->MipsRegState(count)) { case CRegInfo::STATE_UNKNOWN: break; case STATE_CONST_32: if ((Section->MipsRegLo(count) & 0x80000000) != 0) { MoveConstToVariable(0xFFFFFFFF,&_GPR[count].UW[1],GPR_NameHi[count]); } else { MoveConstToVariable(0,&_GPR[count].UW[1],GPR_NameHi[count]); } MoveConstToVariable(Section->MipsRegLo(count),&_GPR[count].UW[0],GPR_NameLo[count]); Section->MipsRegState(count) = CRegInfo::STATE_UNKNOWN; break; default: DisplayError("Unknown State: %d\nin WriteBackRegisters",Section->MipsRegState(count)); } } UnMap_AllFPRs(Section); }*/ #endif