*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
extern void main(void);
extern char __stack__;
extern char __text_start__, __text_end__;
-extern char __data_start__, __data_end__;
+extern char _start__, _end__;
extern char __bss_start__, __bss_end__;
/* Interrupt functions */
-void stm_halt_isr(void)
+static void stm_halt_isr(void)
{
ao_panic(AO_PANIC_CRASH);
}
-void stm_ignore_isr(void)
+static void stm_ignore_isr(void)
{
}
const void *stm_interrupt_vector[];
+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;
+ }
+ return (uint32_t) kbytes * 1024;
+}
+
void start(void)
{
#ifdef AO_BOOT_CHAIN
- ao_boot_check_chain();
-#endif
+ if (ao_boot_check_chain()) {
#ifdef AO_BOOT_PIN
- ao_boot_check_pin();
+ ao_boot_check_pin();
+#endif
+ }
#endif
/* Set interrupt vector table offset */
stm_nvic.vto = (uint32_t) &stm_interrupt_vector;
- memcpy(&__data_start__, &__text_end__, &__data_end__ - &__data_start__);
+ memcpy(&_start__, &__text_end__, &_end__ - &_start__);
memset(&__bss_start__, '\0', &__bss_end__ - &__bss_start__);
main();
}