4.115
Last change
on this file since 72866a7 was
72866a7,
checked in by Joel Sherrill <joel.sherrill@…>, on 10/15/14 at 19:23:07
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libbsp/powerpc/shared/startup/zerobss.c: Fix warnings
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Property mode set to
100644
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File size:
988 bytes
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Line | |
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1 | /* |
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2 | * zero the various bss areas. |
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3 | */ |
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4 | |
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5 | /* |
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6 | * COPYRIGHT (c) 1989-2014. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.rtems.org/license/LICENSE. |
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12 | * |
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13 | * Modified to support the MCP750. |
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14 | * Modifications Copyright (C) 1999 Eric Valette. valette@crf.canon.fr |
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15 | */ |
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16 | |
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17 | #include <string.h> |
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18 | #include <bsp.h> |
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19 | |
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20 | /* prevent these from being accessed in the short data areas */ |
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21 | extern unsigned long __bss_start[], __SBSS_START__[], __SBSS_END__[]; |
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22 | extern unsigned long __SBSS2_START__[], __SBSS2_END__[]; |
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23 | extern unsigned long __bss_end[]; |
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24 | |
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25 | void zero_bss(void) |
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26 | { |
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27 | memset( |
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28 | __SBSS_START__, |
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29 | 0, |
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30 | ((unsigned) __SBSS_END__) - ((unsigned)__SBSS_START__) |
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31 | ); |
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32 | memset( |
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33 | __SBSS2_START__, |
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34 | 0, |
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35 | ((unsigned) __SBSS2_END__) - ((unsigned)__SBSS2_START__) |
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36 | ); |
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37 | memset( |
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38 | __bss_start, |
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39 | 0, |
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40 | ((unsigned) __bss_end) - ((unsigned)__bss_start) |
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41 | ); |
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42 | } |
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