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ddd8418f7f
There used to be a huge structure duplicated 3 times in the source. Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Signed-off-by: Tom Rini <trini@ti.com>
121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*
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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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef __ASSEMBLY__
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#define __ASSEMBLY__ /* Dirty trick to get only #defines */
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#endif
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#define __ASM_STUB_PROCESSOR_H__ /* don't include asm/processor. */
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#include <config.h>
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#undef __ASSEMBLY__
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#include <environment.h>
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#include <linux/stringify.h>
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/* Handle HOSTS that have prepended crap on symbol names, not TARGETS. */
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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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/*
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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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#if defined(ENV_IS_EMBEDDED) || defined(CONFIG_BUILD_ENVCRC)
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/*
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* Only put the environment in it's own section when we are building
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* U-Boot proper. The host based program "tools/envcrc" does not need
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* a seperate section. Note that ENV_CRC is only defined when building
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* U-Boot itself.
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*/
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#if (defined(CONFIG_SYS_USE_PPCENV) || defined(CONFIG_NAND_U_BOOT)) && \
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defined(ENV_CRC) /* Environment embedded in U-Boot .ppcenv section */
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/* XXX - This only works with GNU C */
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# define __PPCENV__ __attribute__ ((section(".ppcenv")))
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# define __PPCTEXT__ __attribute__ ((section(".text")))
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#elif defined(USE_HOSTCC) /* Native for 'tools/envcrc' */
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# define __PPCENV__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
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# define __PPCTEXT__ /*XXX DO_NOT_DEL_THIS_COMMENT*/
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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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# define __PPCENV__ __attribute__ ((section(".text")))
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# define __PPCTEXT__ __attribute__ ((section(".text")))
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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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#if defined(__bfin__)
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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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#else
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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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/*
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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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# define ENV_CRC (~0)
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#endif
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#define DEFAULT_ENV_INSTANCE_EMBEDDED
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#include <env_default.h>
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#ifdef CONFIG_ENV_ADDR_REDUND
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env_t redundand_environment __PPCENV__ = {
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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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#endif /* CONFIG_ENV_ADDR_REDUND */
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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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unsigned long env_size __PPCTEXT__ = sizeof(env_t);
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/*
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* Add in absolutes.
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*/
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GEN_ABS(env_offset, CONFIG_ENV_OFFSET);
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#endif /* ENV_IS_EMBEDDED */
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