#endif
#include "psxcommon.h"
-#include "psxmem.h"
-#include "psxcounters.h"
-#include "psxbios.h"
-enum {
+enum R3000Aexception {
+ R3000E_Int = 0, // Interrupt
+ R3000E_AdEL = 4, // Address error (on load/I-fetch)
+ R3000E_AdES = 5, // Address error (on store)
+ R3000E_IBE = 6, // Bus error (instruction fetch)
+ R3000E_DBE = 7, // Bus error (data load/store)
+ R3000E_Syscall = 8, // syscall instruction
+ R3000E_Bp = 9, // Breakpoint - a break instruction
+ R3000E_RI = 10, // reserved instruction
+ R3000E_CpU = 11, // Co-Processor unusable
+ R3000E_Ov = 12 // arithmetic overflow
+};
+
+enum R3000Anote {
R3000ACPU_NOTIFY_CACHE_ISOLATED = 0,
R3000ACPU_NOTIFY_CACHE_UNISOLATED = 1,
- R3000ACPU_NOTIFY_DMA3_EXE_LOAD = 2
+ R3000ACPU_NOTIFY_BEFORE_SAVE, // data arg - hle if non-null
+ 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;
u32 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, lo, hi;
+ t8, t9, k0, k1, gp, sp, fp, ra, lo, hi;
} n;
u32 r[34]; /* Lo, Hi in r[32] and r[33] */
PAIR p[34];
} psxGPRRegs;
-typedef union {
+typedef union psxCP0Regs_ {
struct {
- u32 Index, Random, EntryLo0, EntryLo1,
- Context, PageMask, Wired, Reserved0,
- BadVAddr, Count, EntryHi, Compare,
- Status, Cause, EPC, PRid,
- Config, LLAddr, WatchLO, WatchHI,
- XContext, Reserved1, Reserved2, Reserved3,
- Reserved4, Reserved5, ECC, CacheErr,
- TagLo, TagHi, ErrorEPC, Reserved6;
+ u32 Reserved0, Reserved1, Reserved2, BPC,
+ Reserved4, BDA, Target, DCIC,
+ BadVAddr, BDAM, Reserved10, BPCM,
+ SR, Cause, EPC, PRid,
+ Reserved16[16];
} n;
u32 r[32];
PAIR p[32];
PSXINT_NEWDRC_CHECK,
PSXINT_RCNT,
PSXINT_CDRLID,
- PSXINT_CDRPLAY_OLD, /* unused */
+ PSXINT_IRQ10,
PSXINT_SPU_UPDATE,
PSXINT_COUNT
};
+enum R3000Abdt {
+ // corresponds to bits 31,30 of Cause reg
+ R3000A_BRANCH_TAKEN = 3,
+ R3000A_BRANCH_NOT_TAKEN = 2,
+ // none or tells that there was an exception in DS back to doBranch
+ R3000A_BRANCH_NONE_OR_EXCEPTION = 0,
+};
+
typedef struct psxCP2Regs {
psxCP2Data CP2D; /* Cop2 data registers */
psxCP2Ctrl CP2C; /* Cop2 control registers */
} 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 {
};
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;
- // warning: changing anything in psxRegisters requires update of all
- // asm in libpcsxcore/new_dynarec/, but this member can be replaced
+ u32 subCycle; /* interpreter cycle counting */
+ u32 subCycleStep;
+ u32 biuReg;
+ u8 branching; /* interp. R3000A_BRANCH_TAKEN / not, 0 if not branch */
+ u8 dloadSel; /* interp. delay load state */
+ u8 dloadReg[2];
+ u32 dloadVal[2];
+ u32 biosBranchCheck;
+ u32 cpuInRecursion;
u32 reserved[2];
+ // warning: changing anything in psxRegisters requires update of all
+ // asm in libpcsxcore/new_dynarec/
} psxRegisters;
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) { \
int psxInit();
void psxReset();
void psxShutdown();
-void psxException(u32 code, u32 bd);
+void psxException(u32 code, enum R3000Abdt bdt, psxCP0Regs *cp0);
void psxBranchTest();
void psxExecuteBios();
void psxJumpTest();
+void irq10Interrupt();
+void psxScheduleIrq10(int irq_count, int x_cycles, int y);
+
#ifdef __cplusplus
}
#endif