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Changed SC64 firmware version checking

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This commit is contained in:
Mateusz Faderewski 2023-02-21 22:25:01 +01:00
parent 22656b150c
commit ed4c7b358b
4 changed files with 22 additions and 27 deletions
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15
src/flashcart/sc64/sc64.c
View File

@ -18,7 +18,8 @@
#define SHADOW_ADDRESS (0x1FFC0000)
#define EEPROM_ADDRESS (0x1FFE2000)
#define MIN_SUPPORTED_API_VERSION (1)
#define SUPPORTED_MAJOR_VERSION (2)
#define SUPPORTED_MINOR_VERSION (12)
static flashcart_error_t load_to_flash (FIL *fil, void *address, size_t size, UINT *br) {
@ -52,19 +53,21 @@ static flashcart_error_t load_to_flash (FIL *fil, void *address, size_t size, UI
static flashcart_error_t sc64_init (void) {
uint32_t api_version;
uint16_t major;
uint16_t minor;
sc64_unlock();
if (!sc64_check_presence()) {
return FLASHCART_ERROR_UNSUPPORTED;
}
if (sc64_get_api_version(&api_version) != SC64_OK) {
if (sc64_get_version(&major, &minor) != SC64_OK) {
return FLASHCART_ERROR_OUTDATED;
}
if (api_version < MIN_SUPPORTED_API_VERSION) {
if (major != SUPPORTED_MAJOR_VERSION) {
return FLASHCART_ERROR_OUTDATED;
}
if (minor < SUPPORTED_MINOR_VERSION) {
return FLASHCART_ERROR_OUTDATED;
}

15
src/flashcart/sc64/sc64_internal.c
View File

@ -6,7 +6,7 @@
typedef struct {
uint32_t SR_CMD;
uint32_t DATA[2];
uint32_t VERSION;
uint32_t IDENTIFIER;
uint32_t KEY;
} sc64_regs_t;
@ -17,7 +17,7 @@ typedef struct {
#define SC64_SR_CMD_ERROR (1 << 30)
#define SC64_SR_CPU_BUSY (1 << 31)
#define SC64_VERSION_2 (0x53437632)
#define SC64_V2_IDENTIFIER (0x53437632)
#define SC64_KEY_RESET (0x00000000UL)
#define SC64_KEY_UNLOCK_1 (0x5F554E4CUL)
@ -26,7 +26,7 @@ typedef struct {
typedef enum {
CMD_ID_API_VERSION_GET = 'V',
CMD_ID_VERSION_GET = 'V',
CMD_ID_CONFIG_GET = 'c',
CMD_ID_CONFIG_SET = 'C',
CMD_ID_WRITEBACK_SD_INFO = 'W',
@ -75,7 +75,7 @@ void sc64_lock (void) {
}
bool sc64_check_presence (void) {
return (io_read((uint32_t) (&SC64_REGS->VERSION)) == SC64_VERSION_2);
return (io_read((uint32_t) (&SC64_REGS->IDENTIFIER)) == SC64_V2_IDENTIFIER);
}
void sc64_read_data (void *src, void *dst, size_t length) {
@ -90,10 +90,11 @@ void sc64_write_data (void *src, void *dst, size_t length) {
dma_wait();
}
sc64_error_t sc64_get_api_version (uint32_t *api_version) {
sc64_cmd_t cmd = { .id = CMD_ID_API_VERSION_GET };
sc64_error_t sc64_get_version (uint16_t *major, uint16_t *minor) {
sc64_cmd_t cmd = { .id = CMD_ID_VERSION_GET };
sc64_error_t error = sc64_execute_cmd(&cmd);
*api_version = cmd.rsp[0];
*major = ((cmd.rsp[0] >> 16) & 0xFFFF);
*minor = (cmd.rsp[0] & 0xFFFF);
return error;
}

2
src/flashcart/sc64/sc64_internal.h
View File

@ -60,7 +60,7 @@ void sc64_lock (void);
bool sc64_check_presence (void);
void sc64_read_data (void *src, void *dst, size_t length);
void sc64_write_data (void *src, void *dst, size_t length);
sc64_error_t sc64_get_api_version (uint32_t *api_version);
sc64_error_t sc64_get_version (uint16_t *major, uint16_t *minor);
sc64_error_t sc64_get_config (sc64_cfg_t cfg, void *value);
sc64_error_t sc64_set_config (sc64_cfg_t cfg, uint32_t value);
sc64_error_t sc64_writeback_enable (void *address);

17
src/main.c
View File

@ -10,20 +10,11 @@
static void init (void) {
assertf(usb_initialize() != CART_NONE, "No flashcart was detected");
switch (flashcart_init()) {
case FLASHCART_OK:
break;
case FLASHCART_ERROR_OUTDATED:
assertf(false, "Outdated flashcart firmware");
break;
case FLASHCART_ERROR_UNSUPPORTED:
assertf(false, "Unsupported flashcart");
break;
default:
assertf(false, "Unknown error while initializing flashcart");
break;
}
assertf(debug_init_sdfs("sd:/", -1), "Couldn't initialize SD card");
flashcart_error_t error = flashcart_init();
assertf(error != FLASHCART_ERROR_OUTDATED, "Outdated flashcart firmware");
assertf(error != FLASHCART_ERROR_UNSUPPORTED, "Unsupported flashcart");
assertf(error == FLASHCART_OK, "Unknown error while initializing flashcart");
}
static void deinit (void) {