diff options
Diffstat (limited to 'libretro.c')
| -rw-r--r-- | libretro.c | 81 |
1 files changed, 63 insertions, 18 deletions
@@ -12,12 +12,15 @@ void* linearMemAlign(size_t size, size_t alignment); void linearFree(void* mem); #if defined(HAVE_DYNAREC) +#include <malloc.h> #include "3ds/3ds_utils.h" #define MEMOP_PROT 6 +#define MEMOP_MAP 4 +#define MEMOP_UNMAP 5 int32_t svcDuplicateHandle(uint32_t* out, uint32_t original); int32_t svcCloseHandle(uint32_t handle); int32_t svcControlProcessMemory(uint32_t process, void* addr0, void* addr1, uint32_t size, uint32_t type, uint32_t perm); -int ctr_has_full_svc_access; +static int translation_caches_inited = 0; #endif #endif @@ -115,30 +118,42 @@ void retro_get_system_av_info(struct retro_system_av_info* info) void retro_init(void) { - init_gamepak_buffer(); - init_sound(1); #if defined(_3DS) && defined(HAVE_DYNAREC) - ctr_has_full_svc_access = ctr_svchack_init(); - if (ctr_has_full_svc_access) + if (__ctr_svchax && !translation_caches_inited) { uint32_t currentHandle; + rom_translation_cache_ptr = memalign(0x1000, ROM_TRANSLATION_CACHE_SIZE); + ram_translation_cache_ptr = memalign(0x1000, RAM_TRANSLATION_CACHE_SIZE); + bios_translation_cache_ptr = memalign(0x1000, BIOS_TRANSLATION_CACHE_SIZE); + svcDuplicateHandle(¤tHandle, 0xFFFF8001); - svcControlProcessMemory(currentHandle, rom_translation_cache, 0x0, - ROM_TRANSLATION_CACHE_SIZE, MEMOP_PROT, 0b111); - svcControlProcessMemory(currentHandle, ram_translation_cache, 0x0, - RAM_TRANSLATION_CACHE_SIZE, MEMOP_PROT, 0b111); - svcControlProcessMemory(currentHandle, bios_translation_cache, 0x0, - BIOS_TRANSLATION_CACHE_SIZE, MEMOP_PROT, 0b111); + svcControlProcessMemory(currentHandle, + rom_translation_cache, rom_translation_cache_ptr, + ROM_TRANSLATION_CACHE_SIZE, MEMOP_MAP, 0b111); + svcControlProcessMemory(currentHandle, + ram_translation_cache, ram_translation_cache_ptr, + RAM_TRANSLATION_CACHE_SIZE, MEMOP_MAP, 0b111); + svcControlProcessMemory(currentHandle, + bios_translation_cache, bios_translation_cache_ptr, + BIOS_TRANSLATION_CACHE_SIZE, MEMOP_MAP, 0b111); svcCloseHandle(currentHandle); - + rom_translation_ptr = rom_translation_cache; + ram_translation_ptr = ram_translation_cache; + bios_translation_ptr = bios_translation_cache; ctr_flush_invalidate_cache(); + translation_caches_inited = 1; } #endif + if (!gamepak_rom) + init_gamepak_buffer(); + init_sound(1); + + if(!gba_screen_pixels) #ifdef _3DS - gba_screen_pixels = (uint16_t*)linearMemAlign(GBA_SCREEN_PITCH * GBA_SCREEN_HEIGHT * sizeof(uint16_t), 128); + gba_screen_pixels = (uint16_t*)linearMemAlign(GBA_SCREEN_PITCH * GBA_SCREEN_HEIGHT * sizeof(uint16_t), 128); #else - gba_screen_pixels = (uint16_t*)malloc(GBA_SCREEN_PITCH * GBA_SCREEN_HEIGHT * sizeof(uint16_t)); + gba_screen_pixels = (uint16_t*)malloc(GBA_SCREEN_PITCH * GBA_SCREEN_HEIGHT * sizeof(uint16_t)); #endif } @@ -154,13 +169,33 @@ void retro_deinit(void) munmap(bios_translation_cache, BIOS_TRANSLATION_CACHE_SIZE); #endif #if defined(_3DS) && defined(HAVE_DYNAREC) - ctr_svchack_exit(); + + if (__ctr_svchax && translation_caches_inited) + { + uint32_t currentHandle; + svcDuplicateHandle(¤tHandle, 0xFFFF8001); + svcControlProcessMemory(currentHandle, + rom_translation_cache, rom_translation_cache_ptr, + ROM_TRANSLATION_CACHE_SIZE, MEMOP_UNMAP, 0b111); + svcControlProcessMemory(currentHandle, + ram_translation_cache, ram_translation_cache_ptr, + RAM_TRANSLATION_CACHE_SIZE, MEMOP_UNMAP, 0b111); + svcControlProcessMemory(currentHandle, + bios_translation_cache, bios_translation_cache_ptr, + BIOS_TRANSLATION_CACHE_SIZE, MEMOP_UNMAP, 0b111); + svcCloseHandle(currentHandle); + free(rom_translation_cache_ptr); + free(ram_translation_cache_ptr); + free(bios_translation_cache_ptr); + translation_caches_inited = 0; + } #endif #ifdef _3DS linearFree(gba_screen_pixels); #else free(gba_screen_pixels); #endif + gba_screen_pixels = NULL; } static retro_time_t retro_perf_dummy_get_time_usec() { return 0; } @@ -173,13 +208,21 @@ void retro_set_environment(retro_environment_t cb) { struct retro_log_callback log; - static const struct retro_variable vars[] = { + static struct retro_variable vars[] = { #ifdef HAVE_DYNAREC { "gpsp_drc", "Dynamic recompiler (restart); enabled|disabled" }, #endif { NULL, NULL }, }; +#if defined(_3DS) && (HAVE_DYNAREC) + if(!__ctr_svchax) + { + vars[0].key = 0; + vars[0].value = NULL; + } +#endif + environ_cb = cb; if (environ_cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &log)) @@ -338,8 +381,10 @@ bool retro_load_game(const struct retro_game_info* info) ram_translation_ptr = ram_translation_cache; bios_translation_ptr = bios_translation_cache; #elif defined(_3DS) - if(!ctr_has_full_svc_access) - dynarec_enable = 0; + dynarec_enable = __ctr_svchax; + rom_translation_ptr = rom_translation_cache; + ram_translation_ptr = ram_translation_cache; + bios_translation_ptr = bios_translation_cache; #endif } else |