/* * (C) Copyright 2000 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ /* #define DEBUG */ #include <common.h> #include <autoboot.h> #include <cli.h> #include <console.h> #include <version.h> DECLARE_GLOBAL_DATA_PTR; /* * Board-specific Platform code can reimplement show_boot_progress () if needed */ __weak void show_boot_progress(int val) {} static void modem_init(void) { #ifdef CONFIG_MODEM_SUPPORT debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init); if (gd->do_mdm_init) { char *str = getenv("mdm_cmd"); setenv("preboot", str); /* set or delete definition */ mdm_init(); /* wait for modem connection */ } #endif /* CONFIG_MODEM_SUPPORT */ } static void run_preboot_environment_command(void) { #ifdef CONFIG_PREBOOT char *p; 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 */ } /* We come here after U-Boot is initialised and ready to process commands */ void main_loop(void) { const char *s; 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 modem_init(); #ifdef CONFIG_VERSION_VARIABLE setenv("ver", version_string); /* set version variable */ #endif /* CONFIG_VERSION_VARIABLE */ cli_init(); run_preboot_environment_command(); #if defined(CONFIG_UPDATE_TFTP) update_tftp(0UL, NULL, NULL); #endif /* CONFIG_UPDATE_TFTP */ s = bootdelay_process(); if (cli_process_fdt(&s)) cli_secure_boot_cmd(s); autoboot_command(s); cli_loop(); }