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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
wdenkc6097192002-11-03 00:24:07 +00002/*
3 * (C) Copyright 2000
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenkc6097192002-11-03 00:24:07 +00005 */
6
wdenka6c7ad22002-12-03 21:28:10 +00007/* #define DEBUG */
8
wdenkc6097192002-11-03 00:24:07 +00009#include <common.h>
Simon Glass66ded172014-04-10 20:01:28 -060010#include <autoboot.h>
Simon Glass52f24232020-05-10 11:40:00 -060011#include <bootstage.h>
Simon Glass18d66532014-04-10 20:01:25 -060012#include <cli.h>
Simon Glass288b29e2019-11-14 12:57:43 -070013#include <command.h>
Simon Glass24b852a2015-11-08 23:47:45 -070014#include <console.h>
Simon Glass9fb625c2019-08-01 09:46:51 -060015#include <env.h>
Simon Glass6b8d3ce2019-12-28 10:44:39 -070016#include <init.h>
Simon Glass90526e92020-05-10 11:39:56 -060017#include <net.h>
Simon Glassfbcdf322013-05-15 06:23:59 +000018#include <version.h>
wdenkbdccc4f2003-08-05 17:43:17 +000019
Simon Glass1364a0e2014-04-10 20:01:33 -060020static void run_preboot_environment_command(void)
21{
Simon Glass1364a0e2014-04-10 20:01:33 -060022 char *p;
23
Simon Glass00caae62017-08-03 12:22:12 -060024 p = env_get("preboot");
Simon Glassbc2b4c22013-05-15 06:23:56 +000025 if (p != NULL) {
Simon Glass2cb132a2018-11-25 20:05:54 -070026 int prev = 0;
27
28 if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
29 prev = disable_ctrlc(1); /* disable Ctrl-C checking */
Simon Glassbc2b4c22013-05-15 06:23:56 +000030
31 run_command_list(p, -1, 0);
32
Simon Glass2cb132a2018-11-25 20:05:54 -070033 if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
34 disable_ctrlc(prev); /* restore Ctrl-C checking */
Simon Glassbc2b4c22013-05-15 06:23:56 +000035 }
Simon Glass1364a0e2014-04-10 20:01:33 -060036}
37
Simon Glassaffb2152014-04-10 20:01:35 -060038/* We come here after U-Boot is initialised and ready to process commands */
Simon Glass1364a0e2014-04-10 20:01:33 -060039void main_loop(void)
40{
Simon Glassaffb2152014-04-10 20:01:35 -060041 const char *s;
42
Simon Glass1364a0e2014-04-10 20:01:33 -060043 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
44
Simon Glass2cb132a2018-11-25 20:05:54 -070045 if (IS_ENABLED(CONFIG_VERSION_VARIABLE))
46 env_set("ver", version_string); /* set version variable */
Simon Glass1364a0e2014-04-10 20:01:33 -060047
Simon Glassc1bb2cd2014-04-10 20:01:34 -060048 cli_init();
Simon Glass1364a0e2014-04-10 20:01:33 -060049
Simon Glasse9f6a372019-07-20 20:51:11 -060050 if (IS_ENABLED(CONFIG_USE_PREBOOT))
51 run_preboot_environment_command();
Simon Glassbc2b4c22013-05-15 06:23:56 +000052
Simon Glass2cb132a2018-11-25 20:05:54 -070053 if (IS_ENABLED(CONFIG_UPDATE_TFTP))
54 update_tftp(0UL, NULL, NULL);
Simon Glassbc2b4c22013-05-15 06:23:56 +000055
Simon Glassaffb2152014-04-10 20:01:35 -060056 s = bootdelay_process();
57 if (cli_process_fdt(&s))
58 cli_secure_boot_cmd(s);
59
60 autoboot_command(s);
Simon Glassc1bb2cd2014-04-10 20:01:34 -060061
Simon Glass6493ccc2014-04-10 20:01:26 -060062 cli_loop();
Simon Glass045e6f02016-03-13 19:07:32 -060063 panic("No CLI available");
wdenkc6097192002-11-03 00:24:07 +000064}