From 9664723595d81173f41a0c98aa1ec746e13c47a4 Mon Sep 17 00:00:00 2001 From: Nick Brassel Date: Sun, 27 Sep 2020 09:41:49 +1000 Subject: [PATCH] Make bootloader_jump weak for ChibiOS. (#10417) --- tmk_core/common/chibios/bootloader.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c index 7b2cf5c435..f6d016ec9d 100644 --- a/tmk_core/common/chibios/bootloader.c +++ b/tmk_core/common/chibios/bootloader.c @@ -32,7 +32,7 @@ extern uint32_t __ram0_end__; -void bootloader_jump(void) { +__attribute__((weak)) void bootloader_jump(void) { // For STM32 MCUs with dual-bank flash, and we're incapable of jumping to the bootloader. The first valid flash // bank is executed unconditionally after a reset, so it doesn't enter DFU unless BOOT0 is high. Instead, we do // it with hardware...in this case, we pull a GPIO high/low depending on the configuration, connects 3.3V to @@ -58,7 +58,7 @@ void enter_bootloader_mode_if_requested(void) {} // not needed at all, but if a extern uint32_t __ram0_end__; -void bootloader_jump(void) { +__attribute__((weak)) void bootloader_jump(void) { *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader NVIC_SystemReset(); } @@ -85,8 +85,8 @@ void enter_bootloader_mode_if_requested(void) { # if defined(BOOTLOADER_KIIBOHD) /* 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"; -void bootloader_jump(void) { +const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff"; +__attribute__((weak)) void bootloader_jump(void) { __builtin_memcpy((void *)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; @@ -95,7 +95,7 @@ void bootloader_jump(void) { # else /* defined(BOOTLOADER_KIIBOHD) */ /* Default for Kinetis - expecting an ARM Teensy */ # include "wait.h" -void bootloader_jump(void) { +__attribute__((weak)) void bootloader_jump(void) { wait_ms(100); __BKPT(0); }