xref: /openbmc/u-boot/cmd/boot.c (revision b6152676)
1 /*
2  * (C) Copyright 2000-2003
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /*
9  * Misc boot support
10  */
11 #include <common.h>
12 #include <command.h>
13 #include <net.h>
14 
15 #ifdef CONFIG_CMD_GO
16 
17 /* Allow ports to override the default behavior */
18 __attribute__((weak))
19 unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
20 				 char * const argv[])
21 {
22 	return entry (argc, argv);
23 }
24 
25 static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
26 {
27 	ulong	addr, rc;
28 	int     rcode = 0;
29 
30 	if (argc < 2)
31 		return CMD_RET_USAGE;
32 
33 	addr = simple_strtoul(argv[1], NULL, 16);
34 
35 	printf ("## Starting application at 0x%08lX ...\n", addr);
36 
37 	/*
38 	 * pass address parameter as argv[0] (aka command name),
39 	 * and all remaining args
40 	 */
41 	rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
42 	if (rc != 0) rcode = 1;
43 
44 	printf ("## Application terminated, rc = 0x%lX\n", rc);
45 	return rcode;
46 }
47 
48 /* -------------------------------------------------------------------- */
49 
50 U_BOOT_CMD(
51 	go, CONFIG_SYS_MAXARGS, 1,	do_go,
52 	"start application at address 'addr'",
53 	"addr [arg ...]\n    - start application at address 'addr'\n"
54 	"      passing 'arg' as arguments"
55 );
56 
57 #endif
58 
59 U_BOOT_CMD(
60 	reset, 1, 0,	do_reset,
61 	"Perform RESET of the CPU",
62 	""
63 );
64 
65 #ifdef CONFIG_CMD_POWEROFF
66 U_BOOT_CMD(
67 	poweroff, 1, 0,	do_poweroff,
68 	"Perform POWEROFF of the device",
69 	""
70 );
71 #endif
72