1 | -- |
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2 | -- TMTEST / SPECIFICATION |
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3 | -- |
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4 | -- DESCRIPTION: |
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5 | -- |
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6 | -- This package is the specification for Test 27 of the RTEMS |
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7 | -- Timing Test Suite. |
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8 | -- |
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9 | -- DEPENDENCIES: |
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10 | -- |
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11 | -- |
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12 | -- |
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13 | -- COPYRIGHT (c) 1989-1997. |
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14 | -- On-Line Applications Research Corporation (OAR). |
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15 | -- Copyright assigned to U.S. Government, 1994. |
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16 | -- |
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17 | -- The license and distribution terms for this file may in |
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18 | -- the file LICENSE in this distribution or at |
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19 | -- http://www.OARcorp.com/rtems/license.html. |
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20 | -- |
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21 | -- $Id$ |
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22 | -- |
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23 | |
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24 | with TIMER_DRIVER; |
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25 | with RTEMS; |
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26 | |
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27 | package TMTEST is |
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28 | |
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29 | -- |
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30 | -- This array contains the IDs of all RTEMS tasks created by this test. |
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31 | -- |
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32 | |
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33 | TASK_ID : array ( RTEMS.UNSIGNED32 range 1 .. 2 ) of RTEMS.ID; |
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34 | |
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35 | -- |
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36 | -- The following variable is set to the execution time returned |
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37 | -- by the timer. |
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38 | -- |
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39 | |
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40 | END_TIME : RTEMS.UNSIGNED32; |
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41 | |
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42 | -- |
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43 | -- The following variable indicates which interrupt case is |
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44 | -- currently being timed. |
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45 | -- |
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46 | |
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47 | INTERRUPT_NEST : RTEMS.UNSIGNED32; |
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48 | |
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49 | -- |
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50 | -- The following variables are set to the appropriate execution |
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51 | -- times by the ISR. This is done so the times will be available |
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52 | -- to be printed by a task. |
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53 | -- |
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54 | |
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55 | INTERRUPT_ENTER_TIME : RTEMS.UNSIGNED32; |
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56 | INTERRUPT_RETURN_TIME : RTEMS.UNSIGNED32; |
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57 | |
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58 | INTERRUPT_ENTER_NESTED_TIME : RTEMS.UNSIGNED32; |
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59 | INTERRUPT_RETURN_NESTED_TIME : RTEMS.UNSIGNED32; |
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60 | |
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61 | -- |
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62 | -- INIT |
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63 | -- |
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64 | -- DESCRIPTION: |
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65 | -- |
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66 | -- This RTEMS task initializes the application. |
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67 | -- |
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68 | |
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69 | procedure INIT ( |
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70 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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71 | ); |
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72 | |
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73 | -- |
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74 | -- TASK_1 |
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75 | -- |
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76 | -- DESCRIPTION: |
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77 | -- |
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78 | -- This RTEMS task reports the following execution times: |
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79 | -- |
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80 | -- + interrupt entry overhead for a nested interrupt |
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81 | -- + interrupt exit overhead for a nested interrupt |
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82 | -- + interrupt entry overhead when no preemption occurs |
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83 | -- + interrupt exit overhead when no preemption occurs |
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84 | -- |
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85 | |
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86 | procedure TASK_1 ( |
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87 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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88 | ); |
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89 | |
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90 | -- |
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91 | -- TASK_2 |
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92 | -- |
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93 | -- DESCRIPTION: |
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94 | -- |
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95 | -- This RTEMS task reports the following execution times: |
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96 | -- |
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97 | -- + interrupt entry overhead when preemption occurs |
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98 | -- + interrupt exit overhead when preemption occurs |
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99 | -- |
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100 | |
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101 | procedure TASK_2 ( |
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102 | ARGUMENT : in RTEMS.TASK_ARGUMENT |
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103 | ); |
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104 | |
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105 | -- |
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106 | -- ISR_HANDLER |
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107 | -- |
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108 | -- DESCRIPTION: |
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109 | -- |
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110 | -- This subprogram is the test ISR. It simply stops the |
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111 | -- timer and save the execution time for ISR_HANDLER_INNER. |
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112 | -- This is done to minimize the subroutine linkage overhead |
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113 | -- for this routine. |
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114 | -- |
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115 | |
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116 | procedure ISR_HANDLER ( |
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117 | VECTOR : in RTEMS.VECTOR_NUMBER |
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118 | ); |
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119 | |
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120 | -- |
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121 | -- ISR_HANDLER_INNER |
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122 | -- |
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123 | -- DESCRIPTION: |
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124 | -- |
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125 | -- This subprogram is responsible for storing the execution |
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126 | -- time for the case currently being timed. |
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127 | -- |
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128 | |
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129 | procedure ISR_HANDLER_INNER; |
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130 | |
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131 | end TMTEST; |
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