blob: 3a657c3d9a3918f1a9e3782bbbd0e2fb8a260443 [file] [log] [blame]
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 Glass18d66532014-04-10 20:01:25 -060011#include <cli.h>
Simon Glass24b852a2015-11-08 23:47:45 -070012#include <console.h>
Simon Glass9fb625c2019-08-01 09:46:51 -060013#include <env.h>
Simon Glassfbcdf322013-05-15 06:23:59 +000014#include <version.h>
wdenkbdccc4f2003-08-05 17:43:17 +000015
Heiko Schocherfad63402007-07-13 09:54:17 +020016/*
17 * Board-specific Platform code can reimplement show_boot_progress () if needed
18 */
Jeroen Hofstee34222992014-06-26 20:18:31 +020019__weak void show_boot_progress(int val) {}
Heiko Schocherfad63402007-07-13 09:54:17 +020020
Simon Glass1364a0e2014-04-10 20:01:33 -060021static void run_preboot_environment_command(void)
22{
Simon Glass1364a0e2014-04-10 20:01:33 -060023 char *p;
24
Simon Glass00caae62017-08-03 12:22:12 -060025 p = env_get("preboot");
Simon Glassbc2b4c22013-05-15 06:23:56 +000026 if (p != NULL) {
Simon Glass2cb132a2018-11-25 20:05:54 -070027 int prev = 0;
28
29 if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
30 prev = disable_ctrlc(1); /* disable Ctrl-C checking */
Simon Glassbc2b4c22013-05-15 06:23:56 +000031
32 run_command_list(p, -1, 0);
33
Simon Glass2cb132a2018-11-25 20:05:54 -070034 if (IS_ENABLED(CONFIG_AUTOBOOT_KEYED))
35 disable_ctrlc(prev); /* restore Ctrl-C checking */
Simon Glassbc2b4c22013-05-15 06:23:56 +000036 }
Simon Glass1364a0e2014-04-10 20:01:33 -060037}
38
Simon Glassaffb2152014-04-10 20:01:35 -060039/* We come here after U-Boot is initialised and ready to process commands */
Simon Glass1364a0e2014-04-10 20:01:33 -060040void main_loop(void)
41{
Simon Glassaffb2152014-04-10 20:01:35 -060042 const char *s;
43
Simon Glass1364a0e2014-04-10 20:01:33 -060044 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop");
45
Simon Glass2cb132a2018-11-25 20:05:54 -070046 if (IS_ENABLED(CONFIG_VERSION_VARIABLE))
47 env_set("ver", version_string); /* set version variable */
Simon Glass1364a0e2014-04-10 20:01:33 -060048
Simon Glassc1bb2cd2014-04-10 20:01:34 -060049 cli_init();
Simon Glass1364a0e2014-04-10 20:01:33 -060050
Simon Glasse9f6a372019-07-20 20:51:11 -060051 if (IS_ENABLED(CONFIG_USE_PREBOOT))
52 run_preboot_environment_command();
Simon Glassbc2b4c22013-05-15 06:23:56 +000053
Simon Glass2cb132a2018-11-25 20:05:54 -070054 if (IS_ENABLED(CONFIG_UPDATE_TFTP))
55 update_tftp(0UL, NULL, NULL);
Simon Glassbc2b4c22013-05-15 06:23:56 +000056
Simon Glassaffb2152014-04-10 20:01:35 -060057 s = bootdelay_process();
58 if (cli_process_fdt(&s))
59 cli_secure_boot_cmd(s);
60
61 autoboot_command(s);
Simon Glassc1bb2cd2014-04-10 20:01:34 -060062
Simon Glass6493ccc2014-04-10 20:01:26 -060063 cli_loop();
Simon Glass045e6f02016-03-13 19:07:32 -060064 panic("No CLI available");
wdenkc6097192002-11-03 00:24:07 +000065}