blob: 0ba9736b1ab34fe746504893ca47c93c2a0fd8ec [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2001
* Kyle Harris, kharris@nexus-tech.net
*/
/*
* The "source" command allows to define "script images", i. e. files
* that contain command sequences that can be executed by the command
* interpreter. It returns the exit status of the last command
* executed from the script. This is very similar to running a shell
* script in a UNIX shell, hence the name for the command.
*/
/* #define DEBUG */
#include <common.h>
#include <command.h>
#include <env.h>
#include <image.h>
#include <log.h>
#include <malloc.h>
#include <mapmem.h>
#include <asm/byteorder.h>
#include <asm/io.h>
static int do_source(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
ulong addr;
int rcode;
const char *fit_uname = NULL, *confname = NULL;
/* Find script image */
if (argc < 2) {
addr = CONFIG_SYS_LOAD_ADDR;
debug("* source: default load address = 0x%08lx\n", addr);
#if defined(CONFIG_FIT)
} else if (fit_parse_subimage(argv[1], image_load_addr, &addr,
&fit_uname)) {
debug("* source: subimage '%s' from FIT image at 0x%08lx\n",
fit_uname, addr);
} else if (fit_parse_conf(argv[1], image_load_addr, &addr, &confname)) {
debug("* source: config '%s' from FIT image at 0x%08lx\n",
confname, addr);
#endif
} else {
addr = hextoul(argv[1], NULL);
debug("* source: cmdline image address = 0x%08lx\n", addr);
}
printf ("## Executing script at %08lx\n", addr);
rcode = cmd_source_script(addr, fit_uname, confname);
return rcode;
}
U_BOOT_LONGHELP(source,
#if defined(CONFIG_FIT)
"[<addr>][:[<image>]|#[<config>]]\n"
"\t- Run script starting at addr\n"
"\t- A FIT config name or subimage name may be specified with : or #\n"
"\t (like bootm). If the image or config name is omitted, the\n"
"\t default is used."
#else
"[<addr>]\n"
"\t- Run script starting at addr"
#endif
);
U_BOOT_CMD(
source, 2, 0, do_source,
"run script from memory", source_help_text
);