env/nowhere.c

   1 /*
   2  * (C) Copyright 2000-2010
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   6  * Andreas Heppel <aheppel@sysgo.de>
   7
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #include <common.h>
  12 #include <command.h>
  13 #include <environment.h>
  14 #include <linux/stddef.h>
  15
  16 DECLARE_GLOBAL_DATA_PTR;
  17
  18 /*
  19  * Because we only ever have the default environment available we must mark
  20  * it as invalid.
  21  */
  22 static int env_nowhere_init(void)
  23 {
  24         gd->env_addr    = (ulong)&default_environment[0];
  25         gd->env_valid   = ENV_INVALID;
  26
  27         return 0;
  28 }
  29
  30 U_BOOT_ENV_LOCATION(nowhere) = {
  31         .location       = ENVL_NOWHERE,
  32         .init           = env_nowhere_init,
  33         ENV_NAME("nowhere")
  34 };