Git Repo - J-u-boot.git/blame_incremental

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Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* (C) Copyright 2000-2010
	4	* Wolfgang Denk, DENX Software Engineering, [email protected].
	5	*
	6	* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
	7	* Andreas Heppel <[email protected]>
	8	*/
	9
	10	#include <common.h>
	11	#include <command.h>
	12	#include <env.h>
	13	#include <env_internal.h>
	14	#include <asm/global_data.h>
	15	#include <linux/stddef.h>
	16
	17	DECLARE_GLOBAL_DATA_PTR;
	18
	19	/*
	20	* Because we only ever have the default environment available we must mark
	21	* it as invalid.
	22	*/
	23	static int env_nowhere_init(void)
	24	{
	25	gd->env_addr = (ulong)&default_environment[0];
	26	gd->env_valid = ENV_INVALID;
	27
	28	return 0;
	29	}
	30
	31	static int env_nowhere_load(void)
	32	{
	33	/*
	34	* for SPL, set env_valid = ENV_INVALID is enough as env_get_char()
	35	* return the default env if env_get is used
	36	* and SPL don't used env_import to reduce its size
	37	* For U-Boot proper, import the default environment to allow reload.
	38	*/
	39	if (!IS_ENABLED(CONFIG_SPL_BUILD))
	40	env_set_default(NULL, 0);
	41
	42	gd->env_valid = ENV_INVALID;
	43
	44	return 0;
	45	}
	46
	47	U_BOOT_ENV_LOCATION(nowhere) = {
	48	.location = ENVL_NOWHERE,
	49	.init = env_nowhere_init,
	50	.load = env_nowhere_load,
	51	ENV_NAME("nowhere")
	52	};