2018-05-06 21:58:06 +00:00
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// SPDX-License-Identifier: GPL-2.0+
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2002-11-03 00:24:07 +00:00
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/*
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* (C) Copyright 2001
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* Erik Theisen, Wave 7 Optics, etheisen@mindspring.com.
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*/
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2016-11-16 01:02:31 +00:00
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#include <linux/kconfig.h>
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2005-08-03 20:32:02 +00:00
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#ifndef __ASSEMBLY__
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2011-11-07 01:14:06 +00:00
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */
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2005-08-03 20:32:02 +00:00
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#endif
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2011-11-07 01:14:06 +00:00
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#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
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2002-11-03 00:24:07 +00:00
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#include <config.h>
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2005-08-03 20:32:02 +00:00
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#undef __ASSEMBLY__
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2019-08-02 15:44:25 +00:00
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#include <env_internal.h>
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2012-09-23 15:41:24 +00:00
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#include <linux/stringify.h>
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2002-11-03 00:24:07 +00:00
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2011-11-07 01:14:06 +00:00
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/* Handle HOSTS that have prepended crap on symbol names, not TARGETS. */
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2002-11-03 00:24:07 +00:00
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#if defined(__APPLE__)
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/* Leading underscore on symbols */
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# define SYM_CHAR "_"
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#else /* No leading character on symbols */
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# define SYM_CHAR
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#endif
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2009-10-26 23:03:32 +00:00
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/*
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* Generate embedded environment table
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* inside U-Boot image, if needed.
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*/
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2011-07-08 10:44:25 +00:00
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#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_BUILD_ENVCRC)
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2002-11-03 00:24:07 +00:00
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/*
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2017-07-28 21:46:37 +00:00
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* Put the environment in the .text section when we are building
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2002-11-03 00:24:07 +00:00
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* U-Boot proper. The host based program "tools/envcrc" does not need
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2017-07-28 21:46:37 +00:00
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* a seperate section.
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2002-11-03 00:24:07 +00:00
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*/
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2017-07-28 21:46:37 +00:00
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#if defined(USE_HOSTCC) /* Native for 'tools/envcrc' */
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2018-03-16 16:20:53 +00:00
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# define __UBOOT_ENV_SECTION__(name) /*XXX DO_NOT_DEL_THIS_COMMENT*/
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2002-11-03 00:24:07 +00:00
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#else /* Environment is embedded in U-Boot's .text section */
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/* XXX - This only works with GNU C */
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2018-03-16 16:20:53 +00:00
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# define __UBOOT_ENV_SECTION__(name) __attribute__ ((section(".text."#name)))
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2002-11-03 00:24:07 +00:00
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#endif
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/*
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* Macros to generate global absolutes.
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*/
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2008-02-05 00:26:54 +00:00
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#if defined(__bfin__)
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2011-11-07 01:14:06 +00:00
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# define GEN_SET_VALUE(name, value) \
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asm(".set " GEN_SYMNAME(name) ", " GEN_VALUE(value))
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2008-02-05 00:26:54 +00:00
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#else
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2011-11-07 01:14:06 +00:00
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# define GEN_SET_VALUE(name, value) \
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asm(GEN_SYMNAME(name) " = " GEN_VALUE(value))
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#endif
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#define GEN_SYMNAME(str) SYM_CHAR #str
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#define GEN_VALUE(str) #str
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#define GEN_ABS(name, value) \
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asm(".globl " GEN_SYMNAME(name)); \
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GEN_SET_VALUE(name, value)
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2002-11-03 00:24:07 +00:00
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/*
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* Check to see if we are building with a
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* computed CRC. Otherwise define it as ~0.
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*/
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#if !defined(ENV_CRC)
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2011-11-07 01:14:06 +00:00
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# define ENV_CRC (~0)
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2002-11-03 00:24:07 +00:00
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#endif
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2012-10-12 08:48:51 +00:00
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#define DEFAULT_ENV_INSTANCE_EMBEDDED
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2021-10-22 03:08:46 +00:00
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#include <config.h>
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2012-10-12 08:48:51 +00:00
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#include <env_default.h>
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2008-09-10 20:48:06 +00:00
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#ifdef CONFIG_ENV_ADDR_REDUND
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2018-03-16 16:20:53 +00:00
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env_t redundand_environment __UBOOT_ENV_SECTION__(redundand_environment) = {
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2002-11-03 00:24:07 +00:00
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0, /* CRC Sum: invalid */
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0, /* Flags: invalid */
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{
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"\0"
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}
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};
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2008-09-10 20:48:06 +00:00
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#endif /* CONFIG_ENV_ADDR_REDUND */
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2002-11-03 00:24:07 +00:00
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/*
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* These will end up in the .text section
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* if the environment strings are embedded
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* in the image. When this is used for
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* tools/envcrc, they are placed in the
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* .data/.sdata section.
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*
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*/
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2018-03-16 16:20:53 +00:00
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unsigned long env_size __UBOOT_ENV_SECTION__(env_size) = sizeof(env_t);
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2002-11-03 00:24:07 +00:00
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/*
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* Add in absolutes.
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*/
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2022-11-16 18:10:41 +00:00
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GEN_ABS(env_offset, (CONFIG_ENV_ADDR - CFG_SYS_FLASH_BASE));
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2009-10-26 23:03:32 +00:00
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#endif /* ENV_IS_EMBEDDED */
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