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Implement jump-to-bootloader.

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This commit is contained in:
flabbergast 2015-09-08 16:07:34 +01:00
parent 8152d279a4
commit d057e5157e
3 changed files with 131 additions and 3 deletions
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15
tmk_core/common/chibios/bootloader.c
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@ -1,7 +1,16 @@
/* TODO */
/* ... chip dependent ... */
#include "bootloader.h"
#include "ch.h"
#ifdef BOOTLOADER_ADDRESS
#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0))
extern uint32_t __ram0_end__;
void bootloader_jump(void) {
*((unsigned long *)(SYMVAL(__ram0_end__) - 4)) = 0xDEADBEEF; // set magic flag => reset handler will jump into boot loader
NVIC_SystemReset();
}
#else /* BOOTLOADER_ADDRESS */
void bootloader_jump(void) {}
#endif /* BOOTLOADER_ADDRESS */