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/*
* Copyright (C) 2016-2020 Paul Cercueil <paul@crapouillou.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*/
#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_SYSCALL (1 << 0)
#define LIGHTREC_EXIT_BREAK (1 << 1)
#define LIGHTREC_EXIT_CHECK_INTERRUPT (1 << 2)
#define LIGHTREC_EXIT_SEGFAULT (1 << 3)
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,
};
enum mem_type {
MEM_FOR_CODE,
MEM_FOR_MIPS_CODE,
MEM_FOR_IR,
MEM_FOR_LIGHTREC,
MEM_TYPE_END,
};
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_cop_ops {
u32 (*mfc)(struct lightrec_state *state, u32 op, u8 reg);
u32 (*cfc)(struct lightrec_state *state, u32 op, u8 reg);
void (*mtc)(struct lightrec_state *state, u32 op, u8 reg, u32 value);
void (*ctc)(struct lightrec_state *state, u32 op, u8 reg, u32 value);
void (*op)(struct lightrec_state *state, u32 op);
};
struct lightrec_ops {
struct lightrec_cop_ops cop0_ops;
struct lightrec_cop_ops cop2_ops;
};
__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 void lightrec_dump_registers(struct lightrec_state *state, u32 regs[34]);
__api void lightrec_restore_registers(struct lightrec_state *state,
u32 regs[34]);
__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 unsigned int lightrec_get_mem_usage(enum mem_type type);
__api unsigned int lightrec_get_total_mem_usage(void);
__api float lightrec_get_average_ipi(void);
#ifdef __cplusplus
};
#endif
#endif /* __LIGHTREC_H__ */
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