[pcsx_rearmed.git] / deps / lightrec / lightrec.h

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2016-2021 Paul Cercueil <paul@crapouillou.net>
 */

#ifndef __LIGHTREC_H__
#define __LIGHTREC_H__

#ifdef __cplusplus
#define _Bool bool
extern "C" {
#endif

#include <stddef.h>
#include <stdint.h>

#ifdef _WIN32
#   ifdef lightrec_EXPORTS
#	define __api __declspec(dllexport)
#   elif !defined(LIGHTREC_STATIC)
#	define __api __declspec(dllimport)
#   else
#	define __api
#   endif
#elif __GNUC__ >= 4
#   define __api __attribute__((visibility ("default")))
#else
#   define __api
#endif

typedef uint64_t u64;
typedef uint32_t u32;
typedef uint16_t u16;
typedef uint8_t  u8;

typedef int64_t s64;
typedef int32_t s32;
typedef int16_t s16;
typedef int8_t  s8;

struct lightrec_state;
struct lightrec_mem_map;

/* Exit flags */
#define LIGHTREC_EXIT_NORMAL	(0)
#define LIGHTREC_EXIT_CHECK_INTERRUPT	(1 << 0)
#define LIGHTREC_EXIT_BREAK	(1 << 1)
#define LIGHTREC_EXIT_SYSCALL	(1 << 2)
#define LIGHTREC_EXIT_SEGFAULT	(1 << 3)
#define LIGHTREC_EXIT_NOMEM	(1 << 4)

enum psx_map {
	PSX_MAP_KERNEL_USER_RAM,
	PSX_MAP_BIOS,
	PSX_MAP_SCRATCH_PAD,
	PSX_MAP_PARALLEL_PORT,
	PSX_MAP_HW_REGISTERS,
	PSX_MAP_CACHE_CONTROL,
	PSX_MAP_MIRROR1,
	PSX_MAP_MIRROR2,
	PSX_MAP_MIRROR3,
	PSX_MAP_CODE_BUFFER,

	PSX_MAP_UNKNOWN,
};

struct lightrec_mem_map_ops {
	void (*sb)(struct lightrec_state *, u32 opcode,
		   void *host, u32 addr, u8 data);
	void (*sh)(struct lightrec_state *, u32 opcode,
		   void *host, u32 addr, u16 data);
	void (*sw)(struct lightrec_state *, u32 opcode,
		   void *host, u32 addr, u32 data);
	u8 (*lb)(struct lightrec_state *, u32 opcode, void *host, u32 addr);
	u16 (*lh)(struct lightrec_state *, u32 opcode, void *host, u32 addr);
	u32 (*lw)(struct lightrec_state *, u32 opcode, void *host, u32 addr);
};

struct lightrec_mem_map {
	u32 pc;
	u32 length;
	void *address;
	const struct lightrec_mem_map_ops *ops;
	const struct lightrec_mem_map *mirror_of;
};

struct lightrec_ops {
	void (*cop2_op)(struct lightrec_state *state, u32 op);
	void (*enable_ram)(struct lightrec_state *state, _Bool enable);
};

struct lightrec_registers {
	u32 gpr[34];
	u32 cp0[32];
	u32 cp2d[32];
	u32 cp2c[32];
};

__api struct lightrec_state *lightrec_init(char *argv0,
					   const struct lightrec_mem_map *map,
					   size_t nb,
					   const struct lightrec_ops *ops);

__api void lightrec_destroy(struct lightrec_state *state);

__api u32 lightrec_execute(struct lightrec_state *state,
			   u32 pc, u32 target_cycle);
__api u32 lightrec_execute_one(struct lightrec_state *state, u32 pc);
__api u32 lightrec_run_interpreter(struct lightrec_state *state, u32 pc);

__api void lightrec_invalidate(struct lightrec_state *state, u32 addr, u32 len);
__api void lightrec_invalidate_all(struct lightrec_state *state);
__api void lightrec_set_invalidate_mode(struct lightrec_state *state,
					_Bool dma_only);

__api void lightrec_set_exit_flags(struct lightrec_state *state, u32 flags);
__api u32 lightrec_exit_flags(struct lightrec_state *state);

__api struct lightrec_registers * lightrec_get_registers(struct lightrec_state *state);

__api u32 lightrec_current_cycle_count(const struct lightrec_state *state);
__api void lightrec_reset_cycle_count(struct lightrec_state *state, u32 cycles);
__api void lightrec_set_target_cycle_count(struct lightrec_state *state,
					   u32 cycles);

#ifdef __cplusplus
};
#endif

#endif /* __LIGHTREC_H__ */
Commit	Line	Data
98fa08a5	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
d16005f8	2	/*
98fa08a5	3	* Copyright (C) 2016-2021 Paul Cercueil <paul@crapouillou.net>
d16005f8 PC	4	*/
	5
	6	#ifndef __LIGHTREC_H__
	7	#define __LIGHTREC_H__
	8
	9	#ifdef __cplusplus
	10	#define _Bool bool
	11	extern "C" {
	12	#endif
	13
	14	#include <stddef.h>
	15	#include <stdint.h>
	16
	17	#ifdef _WIN32
	18	# ifdef lightrec_EXPORTS
	19	# define __api __declspec(dllexport)
	20	# elif !defined(LIGHTREC_STATIC)
	21	# define __api __declspec(dllimport)
	22	# else
	23	# define __api
	24	# endif
	25	#elif __GNUC__ >= 4
	26	# define __api __attribute__((visibility ("default")))
	27	#else
	28	# define __api
	29	#endif
	30
	31	typedef uint64_t u64;
	32	typedef uint32_t u32;
	33	typedef uint16_t u16;
	34	typedef uint8_t u8;
	35
	36	typedef int64_t s64;
	37	typedef int32_t s32;
	38	typedef int16_t s16;
	39	typedef int8_t s8;
	40
	41	struct lightrec_state;
	42	struct lightrec_mem_map;
	43
	44	/* Exit flags */
	45	#define LIGHTREC_EXIT_NORMAL (0)
98fa08a5	46	#define LIGHTREC_EXIT_CHECK_INTERRUPT (1 << 0)
d16005f8	47	#define LIGHTREC_EXIT_BREAK (1 << 1)
98fa08a5	48	#define LIGHTREC_EXIT_SYSCALL (1 << 2)
d16005f8	49	#define LIGHTREC_EXIT_SEGFAULT (1 << 3)
d8b04acd	50	#define LIGHTREC_EXIT_NOMEM (1 << 4)
d16005f8 PC	51
	52	enum psx_map {
	53	PSX_MAP_KERNEL_USER_RAM,
	54	PSX_MAP_BIOS,
	55	PSX_MAP_SCRATCH_PAD,
	56	PSX_MAP_PARALLEL_PORT,
	57	PSX_MAP_HW_REGISTERS,
	58	PSX_MAP_CACHE_CONTROL,
	59	PSX_MAP_MIRROR1,
	60	PSX_MAP_MIRROR2,
	61	PSX_MAP_MIRROR3,
02487de7 PC	62	PSX_MAP_CODE_BUFFER,
	63
	64	PSX_MAP_UNKNOWN,
d16005f8 PC	65	};
d16005f8 PC	66
d16005f8	67	struct lightrec_mem_map_ops {
a59e5536	68	void (sb)(struct lightrec_state , u32 opcode,
	69	void *host, u32 addr, u8 data);
	70	void (sh)(struct lightrec_state , u32 opcode,
	71	void *host, u32 addr, u16 data);
	72	void (sw)(struct lightrec_state , u32 opcode,
	73	void *host, u32 addr, u32 data);
	74	u8 (lb)(struct lightrec_state , u32 opcode, void *host, u32 addr);
	75	u16 (lh)(struct lightrec_state , u32 opcode, void *host, u32 addr);
	76	u32 (lw)(struct lightrec_state , u32 opcode, void *host, u32 addr);
d16005f8 PC	77	};
	78
	79	struct lightrec_mem_map {
	80	u32 pc;
	81	u32 length;
	82	void *address;
	83	const struct lightrec_mem_map_ops *ops;
	84	const struct lightrec_mem_map *mirror_of;
	85	};
	86
98fa08a5 PC	87	struct lightrec_ops {
	88	void (cop2_op)(struct lightrec_state state, u32 op);
	89	void (enable_ram)(struct lightrec_state state, _Bool enable);
d16005f8 PC	90	};
d16005f8 PC	91
98fa08a5 PC	92	struct lightrec_registers {
	93	u32 gpr[34];
	94	u32 cp0[32];
	95	u32 cp2d[32];
	96	u32 cp2c[32];
d16005f8 PC	97	};
	98
	99	__api struct lightrec_state lightrec_init(char argv0,
	100	const struct lightrec_mem_map *map,
	101	size_t nb,
	102	const struct lightrec_ops *ops);
	103
	104	__api void lightrec_destroy(struct lightrec_state *state);
	105
	106	__api u32 lightrec_execute(struct lightrec_state *state,
	107	u32 pc, u32 target_cycle);
	108	__api u32 lightrec_execute_one(struct lightrec_state *state, u32 pc);
	109	__api u32 lightrec_run_interpreter(struct lightrec_state *state, u32 pc);
	110
	111	__api void lightrec_invalidate(struct lightrec_state *state, u32 addr, u32 len);
	112	__api void lightrec_invalidate_all(struct lightrec_state *state);
	113	__api void lightrec_set_invalidate_mode(struct lightrec_state *state,
	114	_Bool dma_only);
	115
	116	__api void lightrec_set_exit_flags(struct lightrec_state *state, u32 flags);
	117	__api u32 lightrec_exit_flags(struct lightrec_state *state);
	118
98fa08a5	119	__api struct lightrec_registers * lightrec_get_registers(struct lightrec_state *state);
d16005f8 PC	120
	121	__api u32 lightrec_current_cycle_count(const struct lightrec_state *state);
	122	__api void lightrec_reset_cycle_count(struct lightrec_state *state, u32 cycles);
	123	__api void lightrec_set_target_cycle_count(struct lightrec_state *state,
	124	u32 cycles);
	125
d16005f8 PC	126	#ifdef __cplusplus
	127	};
	128	#endif
	129
	130	#endif /* __LIGHTREC_H__ */