1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup sptests |
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5 | * |
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6 | * @brief Test that the task stack allocator works. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2011 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.org/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #ifdef HAVE_CONFIG_H |
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24 | #include "config.h" |
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25 | #endif |
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26 | |
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27 | #include <tmacros.h> |
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28 | |
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29 | const char rtems_test_name[] = "SPSTKALLOC 2"; |
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30 | |
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31 | #include <stdio.h> |
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32 | #include <inttypes.h> |
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33 | |
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34 | #include <rtems/score/heapimpl.h> |
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35 | |
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36 | #define TASK_COUNT 5 |
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37 | |
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38 | #define PAGE_SIZE 1024 |
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39 | |
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40 | static Heap_Control task_stack_heap; |
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41 | |
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42 | static void task_stack_init(size_t stack_space_size); |
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43 | |
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44 | static void *task_stack_allocate(size_t stack_size); |
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45 | |
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46 | static void task_stack_free(void *addr); |
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47 | |
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48 | static void print_info(void) |
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49 | { |
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50 | Heap_Information_block info; |
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51 | |
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52 | _Heap_Get_information(&task_stack_heap, &info); |
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53 | |
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54 | printf( |
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55 | "used blocks = %" PRIu32 ", " |
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56 | "largest used block = %" PRIu32 ", " |
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57 | "used space = %" PRIu32 "\n" |
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58 | "free blocks = %" PRIu32 ", " |
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59 | "largest free block = %" PRIu32 ", " |
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60 | "free space = %" PRIu32 "\n", |
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61 | info.Used.number, |
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62 | info.Used.largest, |
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63 | info.Used.total, |
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64 | info.Free.number, |
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65 | info.Free.largest, |
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66 | info.Free.total |
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67 | ); |
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68 | } |
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69 | |
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70 | static rtems_task Init(rtems_task_argument argument) |
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71 | { |
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72 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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73 | rtems_name name = rtems_build_name('S', 'T', 'K', 'A'); |
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74 | rtems_id id = RTEMS_ID_NONE; |
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75 | int i = 0; |
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76 | |
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77 | TEST_BEGIN(); |
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78 | |
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79 | print_info(); |
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80 | |
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81 | for (i = 2; i < TASK_COUNT; ++i) { |
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82 | sc = rtems_task_create( |
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83 | name, |
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84 | RTEMS_MINIMUM_PRIORITY, |
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85 | RTEMS_MINIMUM_STACK_SIZE, |
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86 | RTEMS_DEFAULT_MODES, |
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87 | RTEMS_DEFAULT_ATTRIBUTES, |
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88 | &id |
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89 | ); |
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90 | directive_failed(sc, "rtems_task_create"); |
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91 | } |
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92 | |
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93 | sc = rtems_task_create( |
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94 | name, |
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95 | RTEMS_MINIMUM_PRIORITY, |
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96 | 2 * RTEMS_MINIMUM_STACK_SIZE, |
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97 | RTEMS_DEFAULT_MODES, |
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98 | RTEMS_DEFAULT_ATTRIBUTES, |
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99 | &id |
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100 | ); |
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101 | fatal_directive_status(sc, RTEMS_UNSATISFIED, "rtems_task_create"); |
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102 | |
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103 | sc = rtems_task_create( |
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104 | name, |
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105 | RTEMS_MINIMUM_PRIORITY, |
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106 | RTEMS_MINIMUM_STACK_SIZE, |
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107 | RTEMS_DEFAULT_MODES, |
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108 | RTEMS_DEFAULT_ATTRIBUTES, |
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109 | &id |
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110 | ); |
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111 | directive_failed(sc, "rtems_task_create"); |
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112 | |
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113 | print_info(); |
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114 | |
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115 | TEST_END(); |
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116 | |
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117 | rtems_test_exit(0); |
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118 | } |
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119 | |
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120 | #define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER |
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121 | #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER |
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122 | |
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123 | #define CONFIGURE_MAXIMUM_TASKS TASK_COUNT |
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124 | |
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125 | #define CONFIGURE_TASK_STACK_ALLOCATOR_INIT task_stack_init |
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126 | #define CONFIGURE_TASK_STACK_ALLOCATOR task_stack_allocate |
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127 | #define CONFIGURE_TASK_STACK_DEALLOCATOR task_stack_free |
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128 | #define CONFIGURE_TASK_STACK_ALLOCATOR_AVOIDS_WORK_SPACE |
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129 | #define CONFIGURE_TASK_STACK_FROM_ALLOCATOR(stack_size) \ |
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130 | ((stack_size) + HEAP_BLOCK_HEADER_SIZE + PAGE_SIZE - 1) |
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131 | |
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132 | #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION |
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133 | |
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134 | #define CONFIGURE_RTEMS_INIT_TASKS_TABLE |
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135 | |
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136 | #define CONFIGURE_INIT |
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137 | |
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138 | #include <rtems/confdefs.h> |
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139 | |
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140 | static char task_stack_space |
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141 | [CONFIGURE_TASK_STACK_FROM_ALLOCATOR(CONFIGURE_STACK_SPACE_SIZE)]; |
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142 | |
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143 | static void task_stack_init(size_t stack_space_size) |
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144 | { |
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145 | bool ok = _Heap_Initialize( |
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146 | &task_stack_heap, |
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147 | task_stack_space, |
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148 | sizeof(task_stack_space), |
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149 | PAGE_SIZE |
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150 | ); |
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151 | |
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152 | rtems_test_assert(stack_space_size == CONFIGURE_STACK_SPACE_SIZE); |
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153 | rtems_test_assert(ok); |
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154 | } |
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155 | |
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156 | static void *task_stack_allocate(size_t stack_size) |
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157 | { |
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158 | return _Heap_Allocate(&task_stack_heap, stack_size); |
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159 | } |
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160 | |
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161 | static void task_stack_free(void *addr) |
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162 | { |
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163 | _Heap_Free(&task_stack_heap, addr); |
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164 | } |
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