[pcsx_rearmed.git] / libpcsxcore / r3000a.h

/***************************************************************************
 *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
 ***************************************************************************/

#ifndef __R3000A_H__
#define __R3000A_H__

#ifdef __cplusplus
extern "C" {
#endif

#include "psxcommon.h"
#include "psxmem.h"
#include "psxcounters.h"
#include "psxbios.h"

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)
	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_BEFORE_SAVE,
	R3000ACPU_NOTIFY_AFTER_LOAD,
};

enum blockExecCaller {
	EXEC_CALLER_BOOT,
	EXEC_CALLER_HLE,
};

typedef struct {
	int  (*Init)();
	void (*Reset)();
	void (*Execute)();
	void (*ExecuteBlock)(enum blockExecCaller caller); /* executes up to a jump */
	void (*Clear)(u32 Addr, u32 Size);
	void (*Notify)(enum R3000Anote note, void *data);
	void (*ApplyConfig)();
	void (*Shutdown)();
} R3000Acpu;

extern R3000Acpu *psxCpu;
extern R3000Acpu psxInt;
extern R3000Acpu psxRec;

typedef union {
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	struct { u8 h3, h2, h, l; } b;
	struct { s8 h3, h2, h, l; } sb;
	struct { u16 h, l; } w;
	struct { s16 h, l; } sw;
#else
	struct { u8 l, h, h2, h3; } b;
	struct { u16 l, h; } w;
	struct { s8 l, h, h2, h3; } sb;
	struct { s16 l, h; } sw;
#endif
} PAIR;

typedef union {
	struct {
		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;
	} n;
	u32 r[34]; /* Lo, Hi in r[32] and r[33] */
	PAIR p[34];
} psxGPRRegs;

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;
	} n;
	u32 r[32];
	PAIR p[32];
} psxCP0Regs;

typedef struct {
	short x, y;
} SVector2D;

typedef struct {
	short z, pad;
} SVector2Dz;

typedef struct {
	short x, y, z, pad;
} SVector3D;

typedef struct {
	short x, y, z, pad;
} LVector3D;

typedef struct {
	unsigned char r, g, b, c;
} CBGR;

typedef struct {
	short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad;
} SMatrix3D;

typedef union {
	struct {
		SVector3D     v0, v1, v2;
		CBGR          rgb;
		s32          otz;
		s32          ir0, ir1, ir2, ir3;
		SVector2D     sxy0, sxy1, sxy2, sxyp;
		SVector2Dz    sz0, sz1, sz2, sz3;
		CBGR          rgb0, rgb1, rgb2;
		s32          reserved;
		s32          mac0, mac1, mac2, mac3;
		u32 irgb, orgb;
		s32          lzcs, lzcr;
	} n;
	u32 r[32];
	PAIR p[32];
} psxCP2Data;

typedef union {
	struct {
		SMatrix3D rMatrix;
		s32      trX, trY, trZ;
		SMatrix3D lMatrix;
		s32      rbk, gbk, bbk;
		SMatrix3D cMatrix;
		s32      rfc, gfc, bfc;
		s32      ofx, ofy;
		s32      h;
		s32      dqa, dqb;
		s32      zsf3, zsf4;
		s32      flag;
	} n;
	u32 r[32];
	PAIR p[32];
} psxCP2Ctrl;

enum {
	PSXINT_SIO = 0,
	PSXINT_CDR,
	PSXINT_CDREAD,
	PSXINT_GPUDMA,
	PSXINT_MDECOUTDMA,
	PSXINT_SPUDMA,
	PSXINT_GPUBUSY,
	PSXINT_MDECINDMA,
	PSXINT_GPUOTCDMA,
	PSXINT_CDRDMA,
	PSXINT_NEWDRC_CHECK,
	PSXINT_RCNT,
	PSXINT_CDRLID,
	PSXINT_CDRPLAY_OLD,	/* unused */
	PSXINT_SPU_UPDATE,
	PSXINT_COUNT
};

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 {
		struct {
			psxCP2Data CP2D; 	/* Cop2 data registers */
			psxCP2Ctrl CP2C; 	/* Cop2 control registers */
		};
		psxCP2Regs CP2;
	};
	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/
} psxRegisters;

extern psxRegisters psxRegs;

/* new_dynarec stuff */
extern u32 event_cycles[PSXINT_COUNT];
extern u32 next_interupt;

void new_dyna_freeze(void *f, int mode);

#define new_dyna_set_event_abs(e, abs) { \
	u32 abs_ = abs; \
	s32 di_ = next_interupt - abs_; \
	event_cycles[e] = abs_; \
	if (di_ > 0) { \
		/*printf("%u: next_interupt %u -> %u\n", psxRegs.cycle, next_interupt, abs_);*/ \
		next_interupt = abs_; \
	} \
}

#define new_dyna_set_event(e, c) \
	new_dyna_set_event_abs(e, psxRegs.cycle + (c))

int  psxInit();
void psxReset();
void psxShutdown();
void psxException(u32 code, u32 bd, psxCP0Regs *cp0);
void psxBranchTest();
void psxExecuteBios();
void psxJumpTest();

#ifdef __cplusplus
}
#endif
#endif
Commit	Line	Data
	1	/***************************************************************************
	2	* Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
	3	* *
	4	* This program is free software; you can redistribute it and/or modify *
	5	* it under the terms of the GNU General Public License as published by *
	6	* the Free Software Foundation; either version 2 of the License, or *
	7	* (at your option) any later version. *
	8	* *
	9	* This program is distributed in the hope that it will be useful, *
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
	12	* GNU General Public License for more details. *
	13	* *
	14	* You should have received a copy of the GNU General Public License *
	15	* along with this program; if not, write to the *
	16	* Free Software Foundation, Inc., *
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. *
	18	***************************************************************************/
	19
	20	#ifndef __R3000A_H__
	21	#define __R3000A_H__
	22
	23	#ifdef __cplusplus
	24	extern "C" {
	25	#endif
	26
	27	#include "psxcommon.h"
	28	#include "psxmem.h"
	29	#include "psxcounters.h"
	30	#include "psxbios.h"
	31
	32	enum R3000Aexception {
	33	R3000E_Int = 0, // Interrupt
	34	R3000E_AdEL = 4, // Address error (on load/I-fetch)
	35	R3000E_AdES = 5, // Address error (on store)
	36	R3000E_IBE = 6, // Bus error (instruction fetch)
	37	R3000E_DBE = 7, // Bus error (data load)
	38	R3000E_Syscall = 8, // syscall instruction
	39	R3000E_Bp = 9, // Breakpoint - a break instruction
	40	R3000E_RI = 10, // reserved instruction
	41	R3000E_CpU = 11, // Co-Processor unusable
	42	R3000E_Ov = 12 // arithmetic overflow
	43	};
	44
	45	enum R3000Anote {
	46	R3000ACPU_NOTIFY_CACHE_ISOLATED = 0,
	47	R3000ACPU_NOTIFY_CACHE_UNISOLATED = 1,
	48	R3000ACPU_NOTIFY_BEFORE_SAVE,
	49	R3000ACPU_NOTIFY_AFTER_LOAD,
	50	};
	51
	52	enum blockExecCaller {
	53	EXEC_CALLER_BOOT,
	54	EXEC_CALLER_HLE,
	55	};
	56
	57	typedef struct {
	58	int (*Init)();
	59	void (*Reset)();
	60	void (*Execute)();
	61	void (ExecuteBlock)(enum blockExecCaller caller); / executes up to a jump */
	62	void (*Clear)(u32 Addr, u32 Size);
	63	void (Notify)(enum R3000Anote note, void data);
	64	void (*ApplyConfig)();
	65	void (*Shutdown)();
	66	} R3000Acpu;
	67
	68	extern R3000Acpu *psxCpu;
	69	extern R3000Acpu psxInt;
	70	extern R3000Acpu psxRec;
	71
	72	typedef union {
	73	#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
	74	struct { u8 h3, h2, h, l; } b;
	75	struct { s8 h3, h2, h, l; } sb;
	76	struct { u16 h, l; } w;
	77	struct { s16 h, l; } sw;
	78	#else
	79	struct { u8 l, h, h2, h3; } b;
	80	struct { u16 l, h; } w;
	81	struct { s8 l, h, h2, h3; } sb;
	82	struct { s16 l, h; } sw;
	83	#endif
	84	} PAIR;
	85
	86	typedef union {
	87	struct {
	88	u32 r0, at, v0, v1, a0, a1, a2, a3,
	89	t0, t1, t2, t3, t4, t5, t6, t7,
	90	s0, s1, s2, s3, s4, s5, s6, s7,
	91	t8, t9, k0, k1, gp, sp, s8, ra, lo, hi;
	92	} n;
	93	u32 r[34]; /* Lo, Hi in r[32] and r[33] */
	94	PAIR p[34];
	95	} psxGPRRegs;
	96
	97	typedef union psxCP0Regs_ {
	98	struct {
	99	u32 Index, Random, EntryLo0, EntryLo1,
	100	Context, PageMask, Wired, Reserved0,
	101	BadVAddr, Count, EntryHi, Compare,
	102	Status, Cause, EPC, PRid,
	103	Config, LLAddr, WatchLO, WatchHI,
	104	XContext, Reserved1, Reserved2, Reserved3,
	105	Reserved4, Reserved5, ECC, CacheErr,
	106	TagLo, TagHi, ErrorEPC, Reserved6;
	107	} n;
	108	u32 r[32];
	109	PAIR p[32];
	110	} psxCP0Regs;
	111
	112	typedef struct {
	113	short x, y;
	114	} SVector2D;
	115
	116	typedef struct {
	117	short z, pad;
	118	} SVector2Dz;
	119
	120	typedef struct {
	121	short x, y, z, pad;
	122	} SVector3D;
	123
	124	typedef struct {
	125	short x, y, z, pad;
	126	} LVector3D;
	127
	128	typedef struct {
	129	unsigned char r, g, b, c;
	130	} CBGR;
	131
	132	typedef struct {
	133	short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad;
	134	} SMatrix3D;
	135
	136	typedef union {
	137	struct {
	138	SVector3D v0, v1, v2;
	139	CBGR rgb;
	140	s32 otz;
	141	s32 ir0, ir1, ir2, ir3;
	142	SVector2D sxy0, sxy1, sxy2, sxyp;
	143	SVector2Dz sz0, sz1, sz2, sz3;
	144	CBGR rgb0, rgb1, rgb2;
	145	s32 reserved;
	146	s32 mac0, mac1, mac2, mac3;
	147	u32 irgb, orgb;
	148	s32 lzcs, lzcr;
	149	} n;
	150	u32 r[32];
	151	PAIR p[32];
	152	} psxCP2Data;
	153
	154	typedef union {
	155	struct {
	156	SMatrix3D rMatrix;
	157	s32 trX, trY, trZ;
	158	SMatrix3D lMatrix;
	159	s32 rbk, gbk, bbk;
	160	SMatrix3D cMatrix;
	161	s32 rfc, gfc, bfc;
	162	s32 ofx, ofy;
	163	s32 h;
	164	s32 dqa, dqb;
	165	s32 zsf3, zsf4;
	166	s32 flag;
	167	} n;
	168	u32 r[32];
	169	PAIR p[32];
	170	} psxCP2Ctrl;
	171
	172	enum {
	173	PSXINT_SIO = 0,
	174	PSXINT_CDR,
	175	PSXINT_CDREAD,
	176	PSXINT_GPUDMA,
	177	PSXINT_MDECOUTDMA,
	178	PSXINT_SPUDMA,
	179	PSXINT_GPUBUSY,
	180	PSXINT_MDECINDMA,
	181	PSXINT_GPUOTCDMA,
	182	PSXINT_CDRDMA,
	183	PSXINT_NEWDRC_CHECK,
	184	PSXINT_RCNT,
	185	PSXINT_CDRLID,
	186	PSXINT_CDRPLAY_OLD, /* unused */
	187	PSXINT_SPU_UPDATE,
	188	PSXINT_COUNT
	189	};
	190
	191	typedef struct psxCP2Regs {
	192	psxCP2Data CP2D; /* Cop2 data registers */
	193	psxCP2Ctrl CP2C; /* Cop2 control registers */
	194	} psxCP2Regs;
	195
	196	typedef struct {
	197	// note: some cores like lightrec don't keep their data here,
	198	// so use R3000ACPU_NOTIFY_BEFORE_SAVE to sync
	199	psxGPRRegs GPR; /* General Purpose Registers */
	200	psxCP0Regs CP0; /* Coprocessor0 Registers */
	201	union {
	202	struct {
	203	psxCP2Data CP2D; /* Cop2 data registers */
	204	psxCP2Ctrl CP2C; /* Cop2 control registers */
	205	};
	206	psxCP2Regs CP2;
	207	};
	208	u32 pc; /* Program counter */
	209	u32 code; /* The instruction */
	210	u32 cycle;
	211	u32 interrupt;
	212	struct { u32 sCycle, cycle; } intCycle[32];
	213	u32 gteBusyCycle;
	214	u32 muldivBusyCycle;
	215	u32 subCycle; /* interpreter cycle counting */
	216	u32 subCycleStep;
	217	u32 biuReg;
	218	u32 reserved[3];
	219	// warning: changing anything in psxRegisters requires update of all
	220	// asm in libpcsxcore/new_dynarec/
	221	} psxRegisters;
	222
	223	extern psxRegisters psxRegs;
	224
	225	/* new_dynarec stuff */
	226	extern u32 event_cycles[PSXINT_COUNT];
	227	extern u32 next_interupt;
	228
	229	void new_dyna_freeze(void *f, int mode);
	230
	231	#define new_dyna_set_event_abs(e, abs) { \
	232	u32 abs_ = abs; \
	233	s32 di_ = next_interupt - abs_; \
	234	event_cycles[e] = abs_; \
	235	if (di_ > 0) { \
	236	/printf("%u: next_interupt %u -> %u\n", psxRegs.cycle, next_interupt, abs_);/ \
	237	next_interupt = abs_; \
	238	} \
	239	}
	240
	241	#define new_dyna_set_event(e, c) \
	242	new_dyna_set_event_abs(e, psxRegs.cycle + (c))
	243
	244	int psxInit();
	245	void psxReset();
	246	void psxShutdown();
	247	void psxException(u32 code, u32 bd, psxCP0Regs *cp0);
	248	void psxBranchTest();
	249	void psxExecuteBios();
	250	void psxJumpTest();
	251
	252	#ifdef __cplusplus
	253	}
	254	#endif
	255	#endif