LXR uboot/cmd/boot.c

   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))
  19unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
  20                                 char * const argv[])
  21{
  22        return entry (argc, argv);
  23}
  24
  25static 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
  50U_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
  59U_BOOT_CMD(
  60        reset, 1, 0,    do_reset,
  61        "Perform RESET of the CPU",
  62        ""
  63);
  64
  65#ifdef CONFIG_CMD_POWEROFF
  66U_BOOT_CMD(
  67        poweroff, 1, 0, do_poweroff,
  68        "Perform POWEROFF of the device",
  69        ""
  70);
  71#endif
  72