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Update libdragon and libcart

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This commit is contained in:
Mateusz Faderewski 2023-08-19 02:44:31 +02:00
parent a1d20ae36e
commit d5485a2f12
2 changed files with 30 additions and 37 deletions
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2
libdragon

@ -1 +1 @@
Subproject commit 251c821158cfc6099baa5577680223dc9897ef57
Subproject commit 352679922bad5403f8ea4b9123dfe0403d030bc2

65
src/flashcart/flashcart.c
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@ -47,45 +47,44 @@ static flashcart_t *flashcart = &((flashcart_t) {
flashcart_error_t flashcart_init (void) {
bool sd_initialized;
flashcart_error_t error;
// NOTE: Explicitly support only these flashcarts in this specific initialization order.
struct {
int type;
int (* libcart_init) (void);
flashcart_t *(* get) (void);
} flashcarts[CART_MAX] = {
{ CART_CI, ci_init, NULL }, // 64drive
{ CART_SC, sc_init, sc64_get_flashcart }, // SC64
{ CART_EDX, edx_init, NULL }, // Series X EverDrive-64
{ CART_ED, ed_init, NULL }, // Original EverDrive-64
};
for (int i = 0; i < CART_MAX; i++) {
if (flashcarts[i].libcart_init() >= 0) {
cart_type = flashcarts[i].type;
if (flashcarts[i].get) {
flashcart = flashcarts[i].get();
}
break;
}
}
if (cart_type == CART_NULL) {
return FLASHCART_ERROR_NOT_DETECTED;
}
#ifndef NDEBUG
// NOTE: Some flashcarts doesn't have USB port, can't throw error here
debug_init_usblog();
#endif
// HACK: Because libcart reads PI config from address 0x10000000 when initializing
// we need to write safe value before running any libcart function.
// Data in SDRAM can be undefined on some flashcarts at this point
// and might result in setting incorrect PI config.
extern uint32_t cart_dom1;
cart_dom1 = 0x80371240;
sd_initialized = debug_init_sdfs("sd:/", -1);
// NOTE: Flashcart model is extracted from libcart after debug_init_sdfs call is made
extern int cart_type;
switch (cart_type) {
case CART_CI: // 64drive
case CART_ED: // Original EverDrive-64
case CART_EDX: // Series X EverDrive-64
break;
case CART_SC: // SC64
flashcart = sc64_get_flashcart();
break;
default:
return FLASHCART_ERROR_NOT_DETECTED;
}
if ((error = flashcart->init()) != FLASHCART_OK) {
return error;
}
if (!sd_initialized) {
if (!debug_init_sdfs("sd:/", -1)) {
return FLASHCART_ERROR_SD_CARD;
}
@ -106,15 +105,9 @@ flashcart_error_t flashcart_load_rom (char *rom_path, bool byte_swap, flashcart_
return FLASHCART_ERROR_ARGS;
}
if (cart_card_byteswap(byte_swap)) {
return FLASHCART_ERROR_INT;
}
cart_card_byteswap = byte_swap;
error = flashcart->load_rom(rom_path, progress);
if (cart_card_byteswap(false)) {
return FLASHCART_ERROR_INT;
}
cart_card_byteswap = false;
return error;
}