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Merge pull request #120 from netux79/32mbroms

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Small hack to allow loading 32mb roms on Wii Retroarch port.
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Twinaphex 2018-10-10 15:55:36 +02:00 committed by GitHub
commit c6ac681b7b
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1 changed files with 51 additions and 5 deletions
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56
src/platform/libretro/libretro.c
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@ -203,7 +203,11 @@ void retro_set_input_state(retro_input_state_t input) {
}
void retro_get_system_info(struct retro_system_info* info) {
info->need_fullpath = false;
#ifdef GEKKO
info->need_fullpath = true;
#else
info->need_fullpath = false;
#endif
info->valid_extensions = "gba|gb|gbc";
#ifndef GIT_VERSION
#define GIT_VERSION ""
@ -528,12 +532,47 @@ void retro_reset(void) {
rumbleDown = 0;
}
bool retro_load_game(const struct retro_game_info* game)
{
#ifdef GEKKO
static size_t _readRomFile(const char *path, void **buf) {
size_t rc;
long len;
FILE *file = fopen(path, "rb");
if (!file) {
goto error;
}
fseek(file, 0, SEEK_END);
len = ftell(file);
rewind(file);
*buf = anonymousMemoryMap(len);
if (!*buf) {
goto error;
}
if ((rc = fread(*buf, 1, len, file)) < len) {
goto error;
}
fclose(file);
return rc;
error:
if (file) {
fclose(file);
}
mappedMemoryFree(*buf, len);
*buf = NULL;
return -1;
}
#endif
bool retro_load_game(const struct retro_game_info* game) {
struct VFile* rom;
if (!game)
return false;
if (!game) {
return false;
}
if (game->data) {
data = anonymousMemoryMap(game->size);
@ -541,8 +580,15 @@ bool retro_load_game(const struct retro_game_info* game)
memcpy(data, game->data, game->size);
rom = VFileFromMemory(data, game->size);
} else {
#ifdef GEKKO
if ((dataSize = _readRomFile(game->path, &data)) == -1) {
return false;
}
rom = VFileFromMemory(data, dataSize);
#else
data = 0;
rom = VFileOpen(game->path, O_RDONLY);
#endif
}
if (!rom) {
return false;