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feat(legacy): grab 'go to bootloader flag' as soon as possible

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Ondrej Mikle 2021-02-10 13:37:11 +01:00 committed by Pavol Rusnak
parent 1c38819bf9
commit 040d09397c
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 4 additions and 2 deletions
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6
legacy/bootloader/bootloader.c
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@ -112,6 +112,10 @@ static void bootloader_loop(void) {
} }
int main(void) { int main(void) {
// grab go to bootloader flag as soon as possible
register uint32_t r11 __asm__("r11");
volatile uint32_t go_to_bootloader_flag = r11;
#ifndef APPVER #ifndef APPVER
setup(); setup();
#endif #endif
@ -124,8 +128,6 @@ int main(void) {
mpu_config_bootloader(); mpu_config_bootloader();
register uint32_t go_to_bootloader_flag __asm__("r11");
if (go_to_bootloader_flag == RETURN_TO_BOOTLOADER_FLAG) { if (go_to_bootloader_flag == RETURN_TO_BOOTLOADER_FLAG) {
goto bootloader_loop_start; goto bootloader_loop_start;
} }