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dynamic recompiler now works when the core is compiled as a shared

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library.
This commit is contained in:
aliaspider 2014-12-09 09:54:33 +01:00
parent a859afadfd
commit 1a6a136801
4 changed files with 126 additions and 78 deletions
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2
Makefile
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@ -42,7 +42,7 @@ endif
ASFLAGS = $(CFLAGS)
INCDIRS := -I.
LDFLAGS += -shared -m32 -Wl,--no-undefined -Wl,--version-script=link.T
LDFLAGS += -shared -m32 -Wl,--no-undefined -Wl,--version-script=link.T -fPIC
LDLIBS += -lz
all: $(TARGET)

6
cpu.h
View file

@ -152,9 +152,15 @@ s32 translate_block_thumb(u32 pc, translation_region_type translation_region,
#endif
#ifdef __LIBRETRO__
extern u8* rom_translation_cache;
extern u8* ram_translation_cache;
extern u8* bios_translation_cache;
#else
extern u8 rom_translation_cache[ROM_TRANSLATION_CACHE_SIZE];
extern u8 ram_translation_cache[RAM_TRANSLATION_CACHE_SIZE];
extern u8 bios_translation_cache[BIOS_TRANSLATION_CACHE_SIZE];
#endif
extern u8 *rom_translation_ptr;
extern u8 *ram_translation_ptr;
extern u8 *bios_translation_ptr;

17
cpu_threaded.c
View file

@ -23,18 +23,27 @@
#include "common.h"
#ifdef __LIBRETRO__
u8* rom_translation_cache;
u8* ram_translation_cache;
u8* bios_translation_cache;
u8 *rom_translation_ptr;
u8 *ram_translation_ptr;
u8 *bios_translation_ptr;
#else
u8 rom_translation_cache[ROM_TRANSLATION_CACHE_SIZE];
u8 *rom_translation_ptr = rom_translation_cache;
u8 ram_translation_cache[RAM_TRANSLATION_CACHE_SIZE];
u8 bios_translation_cache[BIOS_TRANSLATION_CACHE_SIZE];
u8 *rom_translation_ptr = rom_translation_cache;
u8 *ram_translation_ptr = ram_translation_cache;
u8 *bios_translation_ptr = bios_translation_cache;
#endif
u32 iwram_code_min = 0xFFFFFFFF;
u32 iwram_code_max = 0xFFFFFFFF;
u32 ewram_code_min = 0xFFFFFFFF;
u32 ewram_code_max = 0xFFFFFFFF;
u8 bios_translation_cache[BIOS_TRANSLATION_CACHE_SIZE];
u8 *bios_translation_ptr = bios_translation_cache;
u32 *rom_branch_hash[ROM_BRANCH_HASH_SIZE];

49
libretro.c
View file

@ -94,21 +94,38 @@ void retro_get_system_av_info(struct retro_system_av_info *info)
info->geometry.max_width = GBA_SCREEN_WIDTH;
info->geometry.max_height = GBA_SCREEN_HEIGHT;
info->geometry.aspect_ratio = 0;
info->timing.fps = ((float) (16* 1024 * 1024)) / (308 * 228 * 4); // 59.72750057 hz
// 59.72750057 hz
info->timing.fps = ((float)(16 * 1024 * 1024)) / (308 * 228 * 4);
info->timing.sample_rate = GBA_SOUND_FREQUENCY;
}
#include <sys/mman.h>
void retro_init()
{
init_gamepak_buffer();
init_sound(1);
rom_translation_cache = mmap(NULL, ROM_TRANSLATION_CACHE_SIZE,
PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
ram_translation_cache = mmap(NULL, RAM_TRANSLATION_CACHE_SIZE,
PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
bios_translation_cache = mmap(NULL, BIOS_TRANSLATION_CACHE_SIZE,
PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
rom_translation_ptr = rom_translation_cache;
ram_translation_ptr = ram_translation_cache;
bios_translation_ptr = bios_translation_cache;
}
void retro_deinit()
{
perf_cb.perf_log();
memory_term();
munmap(rom_translation_cache, ROM_TRANSLATION_CACHE_SIZE);
munmap(ram_translation_cache, RAM_TRANSLATION_CACHE_SIZE);
munmap(bios_translation_cache, BIOS_TRANSLATION_CACHE_SIZE);
}
void retro_set_environment(retro_environment_t cb)
@ -126,8 +143,14 @@ void retro_set_environment(retro_environment_t cb)
}
void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
void retro_set_input_poll(retro_input_poll_t cb) { input_poll_cb = cb; }
void retro_set_video_refresh(retro_video_refresh_t cb)
{
video_cb = cb;
}
void retro_set_input_poll(retro_input_poll_t cb)
{
input_poll_cb = cb;
}
void retro_set_controller_port_device(unsigned port, unsigned device) {}
@ -258,8 +281,11 @@ bool retro_load_game(const struct retro_game_info *info)
}
bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
{ return false; }
bool retro_load_game_special(unsigned game_type,
const struct retro_game_info* info, size_t num_info)
{
return false;
}
void retro_unload_game()
{
@ -267,7 +293,10 @@ void retro_unload_game()
update_backup();
}
unsigned retro_get_region() { return RETRO_REGION_NTSC; }
unsigned retro_get_region()
{
return RETRO_REGION_NTSC;
}
void* retro_get_memory_data(unsigned id)
{
@ -324,11 +353,15 @@ void retro_run()
render_audio();
video_cb(gba_screen_pixels, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT, GBA_SCREEN_PITCH * 2);
video_cb(gba_screen_pixels, GBA_SCREEN_WIDTH, GBA_SCREEN_HEIGHT,
GBA_SCREEN_PITCH * 2);
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
check_variables();
}
unsigned retro_api_version() { return RETRO_API_VERSION; }
unsigned retro_api_version()
{
return RETRO_API_VERSION;
}