4.104.114.84.95
Last change
on this file since 98e4ebf5 was
98e4ebf5,
checked in by Joel Sherrill <joel.sherrill@…>, on 10/08/97 at 15:45:54
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Fixed typo in the pointer to the license terms.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /* task1.c |
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2 | * |
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3 | * This set of three tasks do some simple task switching for about |
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4 | * 15 seconds and then call a routine to "blow the stack". |
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5 | * |
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6 | * COPYRIGHT (c) 1989-1997. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * Copyright assigned to U.S. Government, 1994. |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.OARcorp.com/rtems/license.html. |
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13 | * |
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14 | * $Id$ |
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15 | */ |
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16 | |
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17 | #include <rtems.h> |
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18 | |
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19 | void b() {} |
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20 | |
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21 | void blow_stack( void ) |
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22 | { |
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23 | volatile unsigned32 *low, *high; |
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24 | unsigned char *area; |
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25 | |
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26 | b(); |
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27 | /* |
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28 | * Destroy the first and last 16 bytes of our stack... Hope it |
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29 | * does not cause problems :) |
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30 | */ |
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31 | |
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32 | area = (unsigned char *)_Thread_Executing->Start.Initial_stack.area; |
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33 | |
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34 | low = (volatile unsigned32 *) (area + HEAP_OVERHEAD); |
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35 | high = (volatile unsigned32 *) |
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36 | (area + _Thread_Executing->Start.Initial_stack.size - 16); |
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37 | |
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38 | |
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39 | low[0] = 0x11111111; |
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40 | low[1] = 0x22222222; |
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41 | low[2] = 0x33333333; |
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42 | low[3] = 0x44444444; |
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43 | |
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44 | high[0] = 0x55555555; |
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45 | high[1] = 0x66666666; |
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46 | high[2] = 0x77777777; |
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47 | high[3] = 0x88888888; |
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48 | |
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49 | } |
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