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wdenkfe8c2802002-11-03 00:38:21 +00001/*
wdenk8bde7f72003-06-27 21:31:46 +00002 * (C) Copyright 2000-2003
wdenkfe8c2802002-11-03 00:38:21 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
wdenk8bde7f72003-06-27 21:31:46 +000025 * Misc boot support
wdenkfe8c2802002-11-03 00:38:21 +000026 */
27#include <common.h>
28#include <command.h>
wdenkfe8c2802002-11-03 00:38:21 +000029#include <net.h>
wdenkfe8c2802002-11-03 00:38:21 +000030
Mike Frysingera4986452008-04-13 19:42:19 -040031/* Allow ports to override the default behavior */
32__attribute__((weak))
Wolfgang Denk54841ab2010-06-28 22:00:46 +020033unsigned long do_go_exec (ulong (*entry)(int, char * const []), int argc, char * const argv[])
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050034{
Mike Frysingera4986452008-04-13 19:42:19 -040035 return entry (argc, argv);
Mike Frysinger1f1d88d2008-01-29 18:21:05 -050036}
37
Wolfgang Denk54841ab2010-06-28 22:00:46 +020038int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
wdenkfe8c2802002-11-03 00:38:21 +000039{
40 ulong addr, rc;
41 int rcode = 0;
42
Wolfgang Denk47e26b12010-07-17 01:06:04 +020043 if (argc < 2)
44 return cmd_usage(cmdtp);
wdenkfe8c2802002-11-03 00:38:21 +000045
46 addr = simple_strtoul(argv[1], NULL, 16);
47
wdenkdc7c9a12003-03-26 06:55:25 +000048 printf ("## Starting application at 0x%08lX ...\n", addr);
wdenkfe8c2802002-11-03 00:38:21 +000049
50 /*
51 * pass address parameter as argv[0] (aka command name),
52 * and all remaining args
53 */
Mike Frysingera4986452008-04-13 19:42:19 -040054 rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
wdenkfe8c2802002-11-03 00:38:21 +000055 if (rc != 0) rcode = 1;
56
wdenkdc7c9a12003-03-26 06:55:25 +000057 printf ("## Application terminated, rc = 0x%lX\n", rc);
wdenkfe8c2802002-11-03 00:38:21 +000058 return rcode;
59}
60
wdenk8bde7f72003-06-27 21:31:46 +000061/* -------------------------------------------------------------------- */
wdenkfe8c2802002-11-03 00:38:21 +000062
wdenk0d498392003-07-01 21:06:45 +000063U_BOOT_CMD(
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020064 go, CONFIG_SYS_MAXARGS, 1, do_go,
Peter Tyser2fb26042009-01-27 18:03:12 -060065 "start application at address 'addr'",
wdenk8bde7f72003-06-27 21:31:46 +000066 "addr [arg ...]\n - start application at address 'addr'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +020067 " passing 'arg' as arguments"
wdenk8bde7f72003-06-27 21:31:46 +000068);
wdenkfe8c2802002-11-03 00:38:21 +000069
Wolfgang Denk54841ab2010-06-28 22:00:46 +020070extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
wdenkfe8c2802002-11-03 00:38:21 +000071
wdenk0d498392003-07-01 21:06:45 +000072U_BOOT_CMD(
Wolfgang Denk0bba5452007-01-13 11:17:10 +010073 reset, 1, 0, do_reset,
Peter Tyser2fb26042009-01-27 18:03:12 -060074 "Perform RESET of the CPU",
Wolfgang Denka89c33d2009-05-24 17:06:54 +020075 ""
wdenk8bde7f72003-06-27 21:31:46 +000076);