1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2000
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  */
6 
7 /* #define	DEBUG	*/
8 
9 #include <common.h>
10 #include <autoboot.h>
11 #include <bootstage.h>
12 #include <cli.h>
13 #include <command.h>
14 #include <console.h>
15 #include <env.h>
16 #include <init.h>
17 #include <net.h>
18 #include <version.h>
19 #include <efi_loader.h>
20 
run_preboot_environment_command(void)21 static void run_preboot_environment_command(void)
22 {
23 	char *p;
24 
25 	p = env_get("preboot");
26 	if (p != NULL) {
27 		int prev = 0;
28 
29 		if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
30 			prev = disable_ctrlc(1); /* disable Ctrl-C checking */
31 
32 		run_command_list(p, -1, 0);
33 
34 		if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
35 			disable_ctrlc(prev);	/* restore Ctrl-C checking */
36 	}
37 }
38 
39 /* We come here after U-Boot is initialised and ready to process commands */
main_loop(void)40 void main_loop(void)
41 {
42 	const char *s;
43 
44 	bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
45 
46 	if (IS_ENABLED(CONFIG_VERSION_VARIABLE))
47 		env_set("ver", version_string);  /* set version variable */
48 
49 	cli_init();
50 
51 	if (IS_ENABLED(CONFIG_USE_PREBOOT))
52 		run_preboot_environment_command();
53 
54 	if (IS_ENABLED(CONFIG_UPDATE_TFTP))
55 		update_tftp(0UL, NULL, NULL);
56 
57 	if (IS_ENABLED(CONFIG_EFI_CAPSULE_ON_DISK_EARLY))
58 		efi_launch_capsules();
59 
60 	s = bootdelay_process();
61 	if (cli_process_fdt(&s))
62 		cli_secure_boot_cmd(s);
63 
64 	autoboot_command(s);
65 
66 	cli_loop();
67 	panic("No CLI available");
68 }
69