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annotate packages/hal/common/current/tests/context.c @ 208:e0c0827131d1 ecos

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Merge from eCos master repository on 2002-05-20-20:11:54-BST
author jlarmour
date Mon, 20 May 2002 22:19:26 +0000
parents bf00f99aec69
children d2c90368aeef
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1 /*=================================================================
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2 //
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3 // context.c
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4 //
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5 // HAL Thread context handling test
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6 //
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7 //==========================================================================
208
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8 //####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later version.
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16 //
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 // for more details.
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21 //
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22 // You should have received a copy of the GNU General Public License along
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23 // with eCos; if not, write to the Free Software Foundation, Inc.,
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 //
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26 // As a special exception, if other files instantiate templates or use macros
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27 // or inline functions from this file, or you compile this file and link it
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28 // with other works to produce a work based on this file, this file does not
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29 // by itself cause the resulting work to be covered by the GNU General Public
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30 // License. However the source code for this file must still be made available
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31 // in accordance with section (3) of the GNU General Public License.
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32 //
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33 // This exception does not invalidate any other reasons why a work based on
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34 // this file might be covered by the GNU General Public License.
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35 //
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 // at http://sources.redhat.com/ecos/ecos-license
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38 // -------------------------------------------
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39 //####ECOSGPLCOPYRIGHTEND####
0
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40 //==========================================================================
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41 //#####DESCRIPTIONBEGIN####
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42 //
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43 // Author(s): nickg
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44 // Contributors: nickg
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45 // Date: 1998-10-07
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46 //####DESCRIPTIONEND####
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47 */
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48
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49 #include <pkgconf/hal.h>
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50
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51 #include <pkgconf/infra.h>
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52
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53 #include <cyg/infra/testcase.h>
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54
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55 #include <cyg/infra/cyg_trac.h>
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56 #include <cyg/hal/hal_arch.h>
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57
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58 #define CYG_TRACE_USER_BOOL 1
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59
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60 // -------------------------------------------------------------------------
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61
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62 #define THREADS 4
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63 #define STACKSIZE (2*1024)
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64
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65 char stack[THREADS][STACKSIZE];
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66
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67 CYG_ADDRWORD sp[THREADS];
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68
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69 cyg_count32 switches = 0;
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70
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71 // -------------------------------------------------------------------------
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72
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73 void entry0( CYG_ADDRWORD arg )
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74 {
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75 CYG_TRACE1B("Thread %d started\n", arg );
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76
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77 while( switches < 1000 )
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78 {
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79 HAL_THREAD_SWITCH_CONTEXT( &sp[arg], &sp[(arg+1) % THREADS] );
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80
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81 CYG_TRACE1B("Thread %d resumed\n", arg );
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82
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83 switches++;
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84 }
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85
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86 CYG_TEST_PASS_FINISH("HAL Context test");
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87
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88 }
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89
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90 // -------------------------------------------------------------------------
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91
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92 void context_main(void)
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93 {
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94 int i;
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95
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96 CYG_TEST_INIT();
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97
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98 // Init all thread contexts:
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99
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100 for( i = 0 ; i < THREADS; i++ )
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101 {
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102 sp[i] = (CYG_ADDRWORD)stack[i]+STACKSIZE;
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103
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104 HAL_THREAD_INIT_CONTEXT( sp[i], i, entry0, i*0x01010000 );
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105 }
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106
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107 // Load the first thread.
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108
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109 HAL_THREAD_LOAD_CONTEXT( &sp[0] );
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110 }
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111
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112 // -------------------------------------------------------------------------
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113
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114 externC void
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115 cyg_start( void )
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116 {
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117 context_main();
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118 }
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119
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120 // -------------------------------------------------------------------------
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121 /* EOF context.c */