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 <fdtdec.h>
17 #include <init.h>
18 #include <net.h>
19 #include <version_string.h>
20 #include <efi_loader.h>
21 
run_preboot_environment_command(void)22 static void run_preboot_environment_command(void)
23 {
24 	char *p;
25 
26 	p = env_get("preboot");
27 	if (p != NULL) {
28 		int prev = 0;
29 
30 		if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
31 			prev = disable_ctrlc(1); /* disable Ctrl-C checking */
32 
33 		run_command_list(p, -1, 0);
34 
35 		if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
36 			disable_ctrlc(prev);	/* restore Ctrl-C checking */
37 	}
38 }
39 
40 /* We come here after U-Boot is initialised and ready to process commands */
main_loop(void)41 void main_loop(void)
42 {
43 	const char *s;
44 
45 	bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
46 
47 	if (IS_ENABLED(CONFIG_VERSION_VARIABLE))
48 		env_set("ver", version_string);  /* set version variable */
49 
50 	cli_init();
51 
52 	if (IS_ENABLED(CONFIG_USE_PREBOOT))
53 		run_preboot_environment_command();
54 
55 	if (IS_ENABLED(CONFIG_UPDATE_TFTP))
56 		update_tftp(0UL, NULL, NULL);
57 
58 	if (IS_ENABLED(CONFIG_EFI_CAPSULE_ON_DISK_EARLY)) {
59 		/* efi_init_early() already called */
60 		if (efi_init_obj_list() == EFI_SUCCESS)
61 			efi_launch_capsules();
62 	}
63 
64 	s = bootdelay_process();
65 	if (cli_process_fdt(&s))
66 		cli_secure_boot_cmd(s);
67 
68 	autoboot_command(s);
69 
70 	cli_loop();
71 	panic("No CLI available");
72 }
73