forked from Imagelibrary/rtems
9964895866
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
43 lines
988 B
C
43 lines
988 B
C
/*
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* zero the various bss areas.
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*/
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/*
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* COPYRIGHT (c) 1989-2014.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*
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* Modified to support the MCP750.
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* Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr
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*/
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#include <string.h>
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#include <bsp.h>
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/* prevent these from being accessed in the short data areas */
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extern unsigned long __bss_start[], __SBSS_START__[], __SBSS_END__[];
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extern unsigned long __SBSS2_START__[], __SBSS2_END__[];
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extern unsigned long __bss_end[];
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void zero_bss(void)
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{
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memset(
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__SBSS_START__,
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0,
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((unsigned) __SBSS_END__) - ((unsigned)__SBSS_START__)
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);
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memset(
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__SBSS2_START__,
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0,
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((unsigned) __SBSS2_END__) - ((unsigned)__SBSS2_START__)
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);
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memset(
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__bss_start,
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0,
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((unsigned) __bss_end) - ((unsigned)__bss_start)
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);
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}
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