main.c
1.88 KB
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/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/* #define DEBUG */
#include <common.h>
#include <autoboot.h>
#include <cli.h>
#include <version.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Board-specific Platform code can reimplement show_boot_progress () if needed
*/
__weak void show_boot_progress(int val) {}
static void modem_init(void)
{
#ifdef CONFIG_MODEM_SUPPORT
debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init);
if (gd->do_mdm_init) {
char *str = getenv("mdm_cmd");
setenv("preboot", str); /* set or delete definition */
mdm_init(); /* wait for modem connection */
}
#endif /* CONFIG_MODEM_SUPPORT */
}
static void run_preboot_environment_command(void)
{
#ifdef CONFIG_PREBOOT
char *p;
p = getenv("preboot");
if (p != NULL) {
# ifdef CONFIG_AUTOBOOT_KEYED
int prev = disable_ctrlc(1); /* disable Control C checking */
# endif
run_command_list(p, -1, 0);
# ifdef CONFIG_AUTOBOOT_KEYED
disable_ctrlc(prev); /* restore Control C checking */
# endif
}
#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");
#ifndef CONFIG_SYS_GENERIC_BOARD
puts("Warning: Your board does not use generic board. Please read\n");
puts("doc/README.generic-board and take action. Boards not\n");
puts("upgraded by the late 2014 may break or be removed.\n");
#endif
modem_init();
#ifdef CONFIG_VERSION_VARIABLE
setenv("ver", version_string); /* set version variable */
#endif /* CONFIG_VERSION_VARIABLE */
cli_init();
run_preboot_environment_command();
#if defined(CONFIG_UPDATE_TFTP)
update_tftp(0UL);
#endif /* CONFIG_UPDATE_TFTP */
s = bootdelay_process();
if (cli_process_fdt(&s))
cli_secure_boot_cmd(s);
autoboot_command(s);
cli_loop();
}