| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * (C) Copyright 2000 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| */ |
| |
| /* #define DEBUG */ |
| |
| #include <common.h> |
| #include <autoboot.h> |
| #include <cli.h> |
| #include <console.h> |
| #include <version.h> |
| |
| /* |
| * Board-specific Platform code can reimplement show_boot_progress () if needed |
| */ |
| __weak void show_boot_progress(int val) {} |
| |
| static void run_preboot_environment_command(void) |
| { |
| #ifdef CONFIG_PREBOOT |
| char *p; |
| |
| p = env_get("preboot"); |
| if (p != NULL) { |
| int prev = 0; |
| |
| if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED)) |
| prev = disable_ctrlc(1); /* disable Ctrl-C checking */ |
| |
| run_command_list(p, -1, 0); |
| |
| if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED)) |
| disable_ctrlc(prev); /* restore Ctrl-C checking */ |
| } |
| #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"); |
| |
| #ifdef CONFIG_MDUMP_COMPRESS |
| extern void ramdump_init(void); |
| ramdump_init(); |
| #endif |
| |
| if (IS_ENABLED(CONFIG_VERSION_VARIABLE)) |
| env_set("ver", version_string); /* set version variable */ |
| |
| cli_init(); |
| |
| run_preboot_environment_command(); |
| |
| if (IS_ENABLED(CONFIG_UPDATE_TFTP)) |
| update_tftp(0UL, NULL, NULL); |
| |
| s = bootdelay_process(); |
| if (cli_process_fdt(&s)) |
| cli_secure_boot_cmd(s); |
| |
| autoboot_command(s); |
| |
| cli_loop(); |
| panic("No CLI available"); |
| } |