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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 );