文章作者: 盧宜良
openocd -f interface/stlink-v2-1.cfg -f target/stm32l4x.cfg
arm-none-eabi-gdb
target remote localhost:3333
1: arch/arm/core/cortex_m/reset.S 跳轉到 _PrepC
2: arch/arm/core/cortex_m/prep_c.c _PrepC 裡面跳到 _Cstart
3: kernel/Init.c _Cstart ~ switch_to_main_thread 執行 main