3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
17 DECLARE_GLOBAL_DATA_PTR;
20 * Board-specific Platform code can reimplement show_boot_progress () if needed
22 void inline __show_boot_progress (int val) {}
23 void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
25 static void modem_init(void)
27 #ifdef CONFIG_MODEM_SUPPORT
28 debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init);
29 if (gd->do_mdm_init) {
30 char *str = strdup(getenv("mdm_cmd"));
31 setenv("preboot", str); /* set or delete definition */
34 mdm_init(); /* wait for modem connection */
36 #endif /* CONFIG_MODEM_SUPPORT */
39 static void run_preboot_environment_command(void)
44 p = getenv("preboot");
46 # ifdef CONFIG_AUTOBOOT_KEYED
47 int prev = disable_ctrlc(1); /* disable Control C checking */
50 run_command_list(p, -1, 0);
52 # ifdef CONFIG_AUTOBOOT_KEYED
53 disable_ctrlc(prev); /* restore Control C checking */
56 #endif /* CONFIG_PREBOOT */
61 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
63 #ifndef CONFIG_SYS_GENERIC_BOARD
64 puts("Warning: Your board does not use generic board. Please read\n");
65 puts("doc/README.generic-board and take action. Boards not\n");
66 puts("upgraded by the late 2014 may break or be removed.\n");
70 #ifdef CONFIG_VERSION_VARIABLE
71 setenv("ver", version_string); /* set version variable */
72 #endif /* CONFIG_VERSION_VARIABLE */
74 #ifdef CONFIG_SYS_HUSH_PARSER
78 #if defined(CONFIG_HUSH_INIT_VAR)
82 run_preboot_environment_command();
84 #if defined(CONFIG_UPDATE_TFTP)
86 #endif /* CONFIG_UPDATE_TFTP */
90 * Main Loop for Monitor Command Processing
92 #ifdef CONFIG_SYS_HUSH_PARSER
94 /* This point is never reached */
98 #endif /*CONFIG_SYS_HUSH_PARSER*/