env/nowhere.c

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