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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2000-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Andreas Heppel <aheppel@sysgo.de>
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <env_internal.h>
#include <asm/global_data.h>
#include <linux/stddef.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Because we only ever have the default environment available we must mark
* it as invalid.
*/
static int env_nowhere_init(void)
{
gd->env_addr = (ulong)&default_environment[0];
gd->env_valid = ENV_INVALID;
return 0;
}
static int env_nowhere_load(void)
{
/*
* for SPL, set env_valid = ENV_INVALID is enough as env_get_char()
* return the default env if env_get is used
* and SPL don't used env_import to reduce its size
* For U-Boot proper, import the default environment to allow reload.
*/
if (!IS_ENABLED(CONFIG_SPL_BUILD))
env_set_default(NULL, 0);
gd->env_valid = ENV_INVALID;
return 0;
}
U_BOOT_ENV_LOCATION(nowhere) = {
.location = ENVL_NOWHERE,
.init = env_nowhere_init,
.load = env_nowhere_load,
ENV_NAME("nowhere")
};
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