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annotate packages/hal/common/current/tests/context.c @ 66:bf00f99aec69 ecos-sw-2000-02-02

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Merge from eCos master repository on 2000-02-02-19:16:44-GMT
author jlarmour
date Wed, 02 Feb 2000 19:57:02 +0000
parents c38311975d4f
children e0c0827131d1
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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 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
0
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): nickg
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35 // Contributors: nickg
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36 // Date: 1998-10-07
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37 //####DESCRIPTIONEND####
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38 */
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39
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40 #include <pkgconf/hal.h>
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41
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42 #include <pkgconf/infra.h>
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43
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44 #include <cyg/infra/testcase.h>
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45
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46 #include <cyg/infra/cyg_trac.h>
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47 #include <cyg/hal/hal_arch.h>
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48
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49 #define CYG_TRACE_USER_BOOL 1
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50
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51 // -------------------------------------------------------------------------
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52
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53 #define THREADS 4
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54 #define STACKSIZE (2*1024)
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55
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56 char stack[THREADS][STACKSIZE];
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57
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58 CYG_ADDRWORD sp[THREADS];
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59
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60 cyg_count32 switches = 0;
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61
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62 // -------------------------------------------------------------------------
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63
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64 void entry0( CYG_ADDRWORD arg )
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65 {
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66 CYG_TRACE1B("Thread %d started\n", arg );
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67
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68 while( switches < 1000 )
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69 {
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70 HAL_THREAD_SWITCH_CONTEXT( &sp[arg], &sp[(arg+1) % THREADS] );
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71
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72 CYG_TRACE1B("Thread %d resumed\n", arg );
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73
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74 switches++;
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75 }
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76
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77 CYG_TEST_PASS_FINISH("HAL Context test");
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78
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79 }
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80
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81 // -------------------------------------------------------------------------
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82
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83 void context_main(void)
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84 {
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85 int i;
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86
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87 CYG_TEST_INIT();
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88
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89 // Init all thread contexts:
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90
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91 for( i = 0 ; i < THREADS; i++ )
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92 {
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93 sp[i] = (CYG_ADDRWORD)stack[i]+STACKSIZE;
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94
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95 HAL_THREAD_INIT_CONTEXT( sp[i], i, entry0, i*0x01010000 );
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96 }
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97
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98 // Load the first thread.
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99
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100 HAL_THREAD_LOAD_CONTEXT( &sp[0] );
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101 }
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102
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103 // -------------------------------------------------------------------------
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104
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105 externC void
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106 cyg_start( void )
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107 {
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108 context_main();
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109 }
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110
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111 // -------------------------------------------------------------------------
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112 /* EOF context.c */