[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

#ifndef __cnst
#   ifdef __GNUC__
#	define __cnst __attribute__((const))
#   else
#	define __cnst
#   endif
#endif
#ifndef __pure
#   ifdef __GNUC__
#	define __pure __attribute__((pure))
#   else
#	define __pure
#   endif
#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)
#define LIGHTREC_EXIT_UNKNOWN_OP	(1 << 5)

/* Unsafe optimizations flags */
#define LIGHTREC_OPT_INV_DMA_ONLY	(1 << 0)
#define LIGHTREC_OPT_SP_GP_HIT_RAM	(1 << 1)

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_PPORT_MIRROR,

	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_notify)(struct lightrec_state *state, u32 op, u32 data);
	void (*cop2_op)(struct lightrec_state *state, u32 op);
	void (*enable_ram)(struct lightrec_state *state, _Bool enable);
	_Bool (*hw_direct)(u32 kaddr, _Bool is_write, u8 size);
	void (*code_inv)(void *addr, u32 len);
};

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_run_interpreter(struct lightrec_state *state,
				   u32 pc, u32 target_cycle);

__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_exit_flags(struct lightrec_state *state, u32 flags);
__api u32 lightrec_exit_flags(struct lightrec_state *state);

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

__api __cnst 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);
__api void lightrec_set_cycles_per_opcode(struct lightrec_state *state, u32 cycles);

#ifdef __cplusplus
};
#endif

#endif /* __LIGHTREC_H__ */
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2	/*
	3	* Copyright (C) 2016-2021 Paul Cercueil <paul@crapouillou.net>
	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	#ifndef __cnst
	32	# ifdef __GNUC__
	33	# define __cnst __attribute__((const))
	34	# else
	35	# define __cnst
	36	# endif
	37	#endif
	38	#ifndef __pure
	39	# ifdef __GNUC__
	40	# define __pure __attribute__((pure))
	41	# else
	42	# define __pure
	43	# endif
	44	#endif
	45
	46	typedef uint64_t u64;
	47	typedef uint32_t u32;
	48	typedef uint16_t u16;
	49	typedef uint8_t u8;
	50
	51	typedef int64_t s64;
	52	typedef int32_t s32;
	53	typedef int16_t s16;
	54	typedef int8_t s8;
	55
	56	struct lightrec_state;
	57	struct lightrec_mem_map;
	58
	59	/* Exit flags */
	60	#define LIGHTREC_EXIT_NORMAL (0)
	61	#define LIGHTREC_EXIT_CHECK_INTERRUPT (1 << 0)
	62	#define LIGHTREC_EXIT_BREAK (1 << 1)
	63	#define LIGHTREC_EXIT_SYSCALL (1 << 2)
	64	#define LIGHTREC_EXIT_SEGFAULT (1 << 3)
	65	#define LIGHTREC_EXIT_NOMEM (1 << 4)
	66	#define LIGHTREC_EXIT_UNKNOWN_OP (1 << 5)
	67
	68	/* Unsafe optimizations flags */
	69	#define LIGHTREC_OPT_INV_DMA_ONLY (1 << 0)
	70	#define LIGHTREC_OPT_SP_GP_HIT_RAM (1 << 1)
	71
	72	enum psx_map {
	73	PSX_MAP_KERNEL_USER_RAM,
	74	PSX_MAP_BIOS,
	75	PSX_MAP_SCRATCH_PAD,
	76	PSX_MAP_PARALLEL_PORT,
	77	PSX_MAP_HW_REGISTERS,
	78	PSX_MAP_CACHE_CONTROL,
	79	PSX_MAP_MIRROR1,
	80	PSX_MAP_MIRROR2,
	81	PSX_MAP_MIRROR3,
	82	PSX_MAP_CODE_BUFFER,
	83	PSX_MAP_PPORT_MIRROR,
	84
	85	PSX_MAP_UNKNOWN,
	86	};
	87
	88	struct lightrec_mem_map_ops {
	89	void (sb)(struct lightrec_state , u32 opcode,
	90	void *host, u32 addr, u8 data);
	91	void (sh)(struct lightrec_state , u32 opcode,
	92	void *host, u32 addr, u16 data);
	93	void (sw)(struct lightrec_state , u32 opcode,
	94	void *host, u32 addr, u32 data);
	95	u8 (lb)(struct lightrec_state , u32 opcode, void *host, u32 addr);
	96	u16 (lh)(struct lightrec_state , u32 opcode, void *host, u32 addr);
	97	u32 (lw)(struct lightrec_state , u32 opcode, void *host, u32 addr);
	98	};
	99
	100	struct lightrec_mem_map {
	101	u32 pc;
	102	u32 length;
	103	void *address;
	104	const struct lightrec_mem_map_ops *ops;
	105	const struct lightrec_mem_map *mirror_of;
	106	};
	107
	108	struct lightrec_ops {
	109	void (cop2_notify)(struct lightrec_state state, u32 op, u32 data);
	110	void (cop2_op)(struct lightrec_state state, u32 op);
	111	void (enable_ram)(struct lightrec_state state, _Bool enable);
	112	_Bool (*hw_direct)(u32 kaddr, _Bool is_write, u8 size);
	113	void (code_inv)(void addr, u32 len);
	114	};
	115
	116	struct lightrec_registers {
	117	u32 gpr[34];
	118	u32 cp0[32];
	119	u32 cp2d[32];
	120	u32 cp2c[32];
	121	};
	122
	123	__api struct lightrec_state lightrec_init(char argv0,
	124	const struct lightrec_mem_map *map,
	125	size_t nb,
	126	const struct lightrec_ops *ops);
	127
	128	__api void lightrec_destroy(struct lightrec_state *state);
	129
	130	__api u32 lightrec_execute(struct lightrec_state *state,
	131	u32 pc, u32 target_cycle);
	132	__api u32 lightrec_run_interpreter(struct lightrec_state *state,
	133	u32 pc, u32 target_cycle);
	134
	135	__api void lightrec_invalidate(struct lightrec_state *state, u32 addr, u32 len);
	136	__api void lightrec_invalidate_all(struct lightrec_state *state);
	137
	138	__api void lightrec_set_exit_flags(struct lightrec_state *state, u32 flags);
	139	__api u32 lightrec_exit_flags(struct lightrec_state *state);
	140
	141	__api void lightrec_set_unsafe_opt_flags(struct lightrec_state *state, u32 flags);
	142
	143	__api __cnst struct lightrec_registers *
	144	lightrec_get_registers(struct lightrec_state *state);
	145
	146	__api u32 lightrec_current_cycle_count(const struct lightrec_state *state);
	147	__api void lightrec_reset_cycle_count(struct lightrec_state *state, u32 cycles);
	148	__api void lightrec_set_target_cycle_count(struct lightrec_state *state,
	149	u32 cycles);
	150	__api void lightrec_set_cycles_per_opcode(struct lightrec_state *state, u32 cycles);
	151
	152	#ifdef __cplusplus
	153	};
	154	#endif
	155
	156	#endif /* __LIGHTREC_H__ */