uboot 通用board_init_f实现

common/board_f.c

void board_init_f(ulong boot_flags){#ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA /*  * For some architectures, global data is initialized and used before  * calling this function. The data should be preserved. For others,  * CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack  * here to host global data until relocation.  */ gd_t data;
 gd = &data;
 /*  * Clear global data before it is accessed at debug print  * in initcall_run_list. Otherwise the debug print probably  * get the wrong value of gd->have_console.  */ zero_global_data();#endif
 gd->flags = boot_flags; gd->have_console = 0;
 if (initcall_run_list(init_sequence_f))  hang();
#if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \  !defined(CONFIG_EFI_APP) && !CONFIG_IS_ENABLED(X86_64) /* NOTREACHED - jump_to_copy() does not return */ hang();#endif}