X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fr3000a.h;h=8d53a181eaef2b7f5b25b0439bb99b30974b9ccd;hb=da65071fd7ceac663bb951b13da2563d7b16431d;hp=49afcb1cd6fa966b2402c563356e89619ae555db;hpb=df717ca9bf196fd40134d16f94b7f3c774f2c897;p=pcsx_rearmed.git diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h index 49afcb1c..8d53a181 100644 --- a/libpcsxcore/r3000a.h +++ b/libpcsxcore/r3000a.h @@ -29,19 +29,25 @@ extern "C" { #include "psxcounters.h" #include "psxbios.h" -enum { +enum R3000Anote { R3000ACPU_NOTIFY_CACHE_ISOLATED = 0, R3000ACPU_NOTIFY_CACHE_UNISOLATED = 1, - R3000ACPU_NOTIFY_DMA3_EXE_LOAD = 2 + R3000ACPU_NOTIFY_BEFORE_SAVE, + R3000ACPU_NOTIFY_AFTER_LOAD, +}; + +enum blockExecCaller { + EXEC_CALLER_BOOT, + EXEC_CALLER_HLE, }; typedef struct { int (*Init)(); void (*Reset)(); - void (*Execute)(); /* executes up to a break */ - void (*ExecuteBlock)(); /* executes up to a jump */ + void (*Execute)(); + void (*ExecuteBlock)(enum blockExecCaller caller); /* executes up to a jump */ void (*Clear)(u32 Addr, u32 Size); - void (*Notify)(int note, void *data); + void (*Notify)(enum R3000Anote note, void *data); void (*ApplyConfig)(); void (*Shutdown)(); } R3000Acpu; @@ -75,7 +81,7 @@ typedef union { PAIR p[34]; } psxGPRRegs; -typedef union { +typedef union psxCP0Regs_ { struct { u32 Index, Random, EntryLo0, EntryLo1, Context, PageMask, Wired, Reserved0, @@ -175,6 +181,8 @@ typedef struct psxCP2Regs { } psxCP2Regs; typedef struct { + // note: some cores like lightrec don't keep their data here, + // so use R3000ACPU_NOTIFY_BEFORE_SAVE to sync psxGPRRegs GPR; /* General Purpose Registers */ psxCP0Regs CP0; /* Coprocessor0 Registers */ union { @@ -184,16 +192,19 @@ typedef struct { }; psxCP2Regs CP2; }; - u32 pc; /* Program counter */ - u32 code; /* The instruction */ + u32 pc; /* Program counter */ + u32 code; /* The instruction */ u32 cycle; u32 interrupt; struct { u32 sCycle, cycle; } intCycle[32]; u32 gteBusyCycle; u32 muldivBusyCycle; + u32 subCycle; /* interpreter cycle counting */ + u32 subCycleStep; + u32 biuReg; + u32 reserved[3]; // warning: changing anything in psxRegisters requires update of all - // asm in libpcsxcore/new_dynarec/, but this member can be replaced - u32 reserved[2]; + // asm in libpcsxcore/new_dynarec/ } psxRegisters; extern psxRegisters psxRegs; @@ -202,8 +213,6 @@ extern psxRegisters psxRegs; extern u32 event_cycles[PSXINT_COUNT]; extern u32 next_interupt; -void new_dyna_before_save(void); -void new_dyna_after_save(void); void new_dyna_freeze(void *f, int mode); #define new_dyna_set_event_abs(e, abs) { \ @@ -219,85 +228,12 @@ void new_dyna_freeze(void *f, int mode); #define new_dyna_set_event(e, c) \ new_dyna_set_event_abs(e, psxRegs.cycle + (c)) -#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ - -#define _i32(x) *(s32 *)&x -#define _u32(x) x - -#define _i16(x) (((short *)&x)[1]) -#define _u16(x) (((unsigned short *)&x)[1]) - -#define _i8(x) (((char *)&x)[3]) -#define _u8(x) (((unsigned char *)&x)[3]) - -#else - -#define _i32(x) *(s32 *)&x -#define _u32(x) x - -#define _i16(x) *(short *)&x -#define _u16(x) *(unsigned short *)&x - -#define _i8(x) *(char *)&x -#define _u8(x) *(unsigned char *)&x - -#endif - -/**** R3000A Instruction Macros ****/ -#define _PC_ psxRegs.pc // The next PC to be executed - -#define _fOp_(code) ((code >> 26) ) // The opcode part of the instruction register -#define _fFunct_(code) ((code ) & 0x3F) // The funct part of the instruction register -#define _fRd_(code) ((code >> 11) & 0x1F) // The rd part of the instruction register -#define _fRt_(code) ((code >> 16) & 0x1F) // The rt part of the instruction register -#define _fRs_(code) ((code >> 21) & 0x1F) // The rs part of the instruction register -#define _fSa_(code) ((code >> 6) & 0x1F) // The sa part of the instruction register -#define _fIm_(code) ((u16)code) // The immediate part of the instruction register -#define _fTarget_(code) (code & 0x03ffffff) // The target part of the instruction register - -#define _fImm_(code) ((s16)code) // sign-extended immediate -#define _fImmU_(code) (code&0xffff) // zero-extended immediate - -#define _Op_ _fOp_(psxRegs.code) -#define _Funct_ _fFunct_(psxRegs.code) -#define _Rd_ _fRd_(psxRegs.code) -#define _Rt_ _fRt_(psxRegs.code) -#define _Rs_ _fRs_(psxRegs.code) -#define _Sa_ _fSa_(psxRegs.code) -#define _Im_ _fIm_(psxRegs.code) -#define _Target_ _fTarget_(psxRegs.code) - -#define _Imm_ _fImm_(psxRegs.code) -#define _ImmU_ _fImmU_(psxRegs.code) - -#define _rRs_ psxRegs.GPR.r[_Rs_] // Rs register -#define _rRt_ psxRegs.GPR.r[_Rt_] // Rt register -#define _rRd_ psxRegs.GPR.r[_Rd_] // Rd register -#define _rSa_ psxRegs.GPR.r[_Sa_] // Sa register -#define _rFs_ psxRegs.CP0.r[_Rd_] // Fs register - -#define _c2dRs_ psxRegs.CP2D.r[_Rs_] // Rs cop2 data register -#define _c2dRt_ psxRegs.CP2D.r[_Rt_] // Rt cop2 data register -#define _c2dRd_ psxRegs.CP2D.r[_Rd_] // Rd cop2 data register -#define _c2dSa_ psxRegs.CP2D.r[_Sa_] // Sa cop2 data register - -#define _rHi_ psxRegs.GPR.n.hi // The HI register -#define _rLo_ psxRegs.GPR.n.lo // The LO register - -#define _JumpTarget_ ((_Target_ * 4) + (_PC_ & 0xf0000000)) // Calculates the target during a jump instruction -#define _BranchTarget_ ((s16)_Im_ * 4 + _PC_) // Calculates the target during a branch instruction - -#define _SetLink(x) psxRegs.GPR.r[x] = _PC_ + 4; // Sets the return address in the link register - int psxInit(); void psxReset(); void psxShutdown(); -void psxException(u32 code, u32 bd); +void psxException(u32 code, u32 bd, psxCP0Regs *cp0); void psxBranchTest(); void psxExecuteBios(); -int psxTestLoadDelay(int reg, u32 tmp); -void psxDelayTest(int reg, u32 bpc); -void psxTestSWInts(); void psxJumpTest(); #ifdef __cplusplus