-const void *stm_interrupt_vector[];
-
-#define BOOT_FETCH(o) (*((uint32_t *) (AO_BOOT_APPLICATION_BASE + (o))))
-
-#ifdef AO_BOOT_APPLICATION_PIN
-#include <ao_exti.h>
-#endif
-
-void start(void) {
-#ifdef AO_BOOT_APPLICATION_PIN
- uint16_t v;
-
- /* Enable power interface clock */
- stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN);
-
- /* Enable the input pin */
- ao_enable_input(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN,
- AO_BOOT_APPLICATION_MODE);
-
- /* Read the value */
- v = stm_gpio_get(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN);
-
- /* Reset the chip to turn off the port and the power interface clock */
- ao_gpio_set_mode(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN, 0);
- ao_disable_port(&AO_BOOT_APPLICATION_GPIO);
- stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_PWREN);
- if (v == AO_BOOT_APPLICATION_VALUE)
- {
- uint32_t sp;
- uint32_t pc;
-
- sp = BOOT_FETCH(0);
- pc = BOOT_FETCH(4);
- asm ("mov sp, %0" : : "r" (sp));
- asm ("mov lr, %0" : : "r" (pc));
- asm ("bx lr");
+uint32_t
+stm_flash_size(void) {
+ uint16_t dev_id = stm_dev_id();
+ uint16_t kbytes = 0;
+
+ switch (dev_id) {
+ case 0x416: /* cat 1 */
+ kbytes = stm_flash_size_medium.f_size;
+ break;
+ case 0x429: /* cat 2 */
+ kbytes = stm_flash_size_medium.f_size & 0xff;
+ break;
+ case 0x427: /* cat 3 */
+ kbytes = stm_flash_size_large.f_size;
+ break;
+ case 0x436: /* cat 4 */
+ switch (stm_flash_size_large.f_size) {
+ case 0:
+ kbytes = 256;
+ break;
+ case 1:
+ kbytes = 384;
+ break;
+ }
+ break;
+ case 0x437: /* cat 5 */
+ kbytes = stm_flash_size_large.f_size;
+ break;