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https://github.com/AsahiLinux/u-boot
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ad3fec2364
Add the ops .load for nowhere ENV backend to load the default environment. This ops is needed for the command 'env load' Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2000-2010
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
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* Andreas Heppel <aheppel@sysgo.de>
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*/
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#include <common.h>
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#include <command.h>
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#include <env.h>
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#include <env_internal.h>
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#include <linux/stddef.h>
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DECLARE_GLOBAL_DATA_PTR;
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/*
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* Because we only ever have the default environment available we must mark
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* it as invalid.
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*/
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static int env_nowhere_init(void)
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{
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gd->env_addr = (ulong)&default_environment[0];
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gd->env_valid = ENV_INVALID;
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return 0;
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}
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static int env_nowhere_load(void)
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{
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/*
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* for SPL, set env_valid = ENV_INVALID is enougth as env_get_char()
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* return the default env if env_get is used
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* and SPL don't used env_import to reduce its size
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* For U-Boot proper, import the default environment to allow reload.
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*/
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if (!IS_ENABLED(CONFIG_SPL_BUILD))
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env_set_default(NULL, 0);
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gd->env_valid = ENV_INVALID;
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return 0;
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}
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U_BOOT_ENV_LOCATION(nowhere) = {
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.location = ENVL_NOWHERE,
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.init = env_nowhere_init,
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.load = env_nowhere_load,
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ENV_NAME("nowhere")
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};
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