arno/trezor-firmware
1
0
Fork 0
mirror of https://github.com/trezor/trezor-firmware.git synced 2025-02-05 04:10:58 +00:00
Code Issues Releases Wiki Activity

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

Browse Source
This commit is contained in:
Ondrej Mikle 2021-02-10 13:37:11 +01:00 committed by Pavol Rusnak
parent 1c38819bf9
commit 040d09397c
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
legacy/bootloader/bootloader.c
View File

@ -112,6 +112,10 @@ static void bootloader_loop(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
setup();
#endif
@ -124,8 +128,6 @@ int main(void) {
mpu_config_bootloader();
register uint32_t go_to_bootloader_flag __asm__("r11");
if (go_to_bootloader_flag == RETURN_TO_BOOTLOADER_FLAG) {
goto bootloader_loop_start;
}