board_init_f在/u-boot-2018.07-fmxx/arch/arm/mach-fmxx/spl.c中定义 board_init_f之后,和转载的部分有出入: u-boot-2018.07-fmxx/arch/arm/lib/crt0.S 来仔细分析如下代码: #if ! defined(CONFIG_SPL_BUILD) //不执行 /* * Set up intermediate environment (new sp and gd) and call * relocate_…