/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ /* #define DEBUG */ #include #include #include #include #include #include /* * Board-specific Platform code can reimplement show_boot_progress () if needed */ void inline __show_boot_progress (int val) {} void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress"))); #ifdef CONFIG_MODEM_SUPPORT int do_mdm_init = 0; extern void mdm_init(void); /* defined in board.c */ #endif void main_loop(void) { #ifdef CONFIG_PREBOOT char *p; #endif bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop"); #ifndef CONFIG_SYS_GENERIC_BOARD puts("Warning: Your board does not use generic board. Please read\n"); puts("doc/README.generic-board and take action. Boards not\n"); puts("upgraded by the late 2014 may break or be removed.\n"); #endif #ifdef CONFIG_MODEM_SUPPORT debug("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init); if (do_mdm_init) { char *str = strdup(getenv("mdm_cmd")); setenv("preboot", str); /* set or delete definition */ if (str != NULL) free(str); mdm_init(); /* wait for modem connection */ } #endif /* CONFIG_MODEM_SUPPORT */ #ifdef CONFIG_VERSION_VARIABLE { setenv("ver", version_string); /* set version variable */ } #endif /* CONFIG_VERSION_VARIABLE */ #ifdef CONFIG_SYS_HUSH_PARSER u_boot_hush_start(); #endif #if defined(CONFIG_HUSH_INIT_VAR) hush_init_var(); #endif #ifdef CONFIG_PREBOOT p = getenv("preboot"); if (p != NULL) { # ifdef CONFIG_AUTOBOOT_KEYED int prev = disable_ctrlc(1); /* disable Control C checking */ # endif run_command_list(p, -1, 0); # ifdef CONFIG_AUTOBOOT_KEYED disable_ctrlc(prev); /* restore Control C checking */ # endif } #endif /* CONFIG_PREBOOT */ #if defined(CONFIG_UPDATE_TFTP) update_tftp(0UL); #endif /* CONFIG_UPDATE_TFTP */ bootdelay_process(); /* * Main Loop for Monitor Command Processing */ #ifdef CONFIG_SYS_HUSH_PARSER parse_file_outer(); /* This point is never reached */ for (;;); #else cli_loop(); #endif /*CONFIG_SYS_HUSH_PARSER*/ }