diff options
Diffstat (limited to 'platforms/chibios/bootloaders/kiibohd.c')
-rw-r--r-- | platforms/chibios/bootloaders/kiibohd.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/platforms/chibios/bootloaders/kiibohd.c b/platforms/chibios/bootloaders/kiibohd.c new file mode 100644 index 0000000000..911e807092 --- /dev/null +++ b/platforms/chibios/bootloaders/kiibohd.c @@ -0,0 +1,32 @@ +/* Copyright 2021 QMK + * + * 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, either version 3 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 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "bootloader.h" + +#include <ch.h> + +/* Kiibohd Bootloader (MCHCK and Infinity KB) */ +#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000 + +const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"; + +__attribute__((weak)) void bootloader_jump(void) { + void *volatile vbat = (void *)VBAT; + __builtin_memcpy(vbat, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic)); + + // request reset + SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk; +} |