| /* |
| * (C) Copyright 2000-2003 |
| * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| * |
| * Copyright (c) 2013 Qualcomm Atheros, Inc. |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| |
| /* |
| * Misc boot support |
| */ |
| #include <common.h> |
| #include <command.h> |
| #include <net.h> |
| |
| #if defined(CONFIG_I386) || defined(CONFIG_MIPS) |
| DECLARE_GLOBAL_DATA_PTR; |
| #endif |
| #ifndef COMPRESSED_UBOOT |
| int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) |
| { |
| ulong addr, rc; |
| int rcode = 0; |
| |
| if (argc < 2) { |
| printf ("Usage:\n%s\n", cmdtp->usage); |
| return 1; |
| } |
| |
| addr = simple_strtoul(argv[1], NULL, 16); |
| |
| printf ("## Starting application at 0x%08lX ...\n", addr); |
| |
| /* |
| * pass address parameter as argv[0] (aka command name), |
| * and all remaining args |
| */ |
| #if defined(CONFIG_I386) |
| /* |
| * x86 does not use a dedicated register to pass the pointer |
| * to the global_data |
| */ |
| argv[0] = (char *)gd; |
| #endif |
| #if !defined(CONFIG_NIOS) |
| if (argc > 2 && argv[2][0] == 'b') { |
| printf ("## Board info at 0x%08lX ...\n", gd->bd); |
| rc = ((ulong (*)(int, int, int, int))addr)(gd->bd, 0, 0, 0); |
| } else { |
| rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]); |
| } |
| #else |
| /* |
| * Nios function pointers are address >> 1 |
| */ |
| rc = ((ulong (*)(int, char *[]))(addr>>1)) (--argc, &argv[1]); |
| #endif |
| if (rc != 0) rcode = 1; |
| |
| printf ("## Application terminated, rc = 0x%lX\n", rc); |
| return rcode; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| |
| U_BOOT_CMD( |
| go, CFG_MAXARGS, 1, do_go, |
| "go - start application at address 'addr'\n", |
| "addr [arg ...]\n - start application at address 'addr'\n" |
| " passing 'arg' as arguments\n" |
| ); |
| #endif /* #ifndef COMPRESSED_UBOOT */ |
| extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); |
| |
| U_BOOT_CMD( |
| reset, 1, 0, do_reset, |
| "reset - Perform RESET of the CPU\n", |
| NULL |
| ); |