FreeCalypso > hg > fc-magnetite

annotate src/cs/os/nucleus/tc_defs.h @ 686:59f07d67eb45

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luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +0000
parents 945cf7f506b2
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright (c) 1993-1994 Accelerated Technology, Inc. */
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4 /* */
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5 /* PROPRIETARY RIGHTS of Accelerated Technology are involved in the */
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6 /* subject matter of this material. All manufacturing, reproduction, */
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7 /* use, and sales rights pertaining to this subject matter are governed */
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8 /* by the license agreement. The recipient of this software implicitly */
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9 /* accepts the terms of the license. */
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10 /* */
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11 /*************************************************************************/
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12
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13 /*************************************************************************/
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14 /* */
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15 /* FILE NAME VERSION */
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16 /* */
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17 /* tc_defs.h PLUS 1.1 */
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18 /* */
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19 /* COMPONENT */
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20 /* */
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21 /* TC - Thread Control */
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22 /* */
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23 /* DESCRIPTION */
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24 /* */
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25 /* This file contains data structure definitions and constants for */
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26 /* the component that controls the various threads of execution in */
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27 /* system. Threads include tasks, HISRs, signal handlers, etc. */
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28 /* */
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29 /* AUTHOR */
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30 /* */
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31 /* William E. Lamie, Accelerated Technology, Inc. */
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32 /* */
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33 /* DATA STRUCTURES */
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34 /* */
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35 /* TC_TCB Task Control Block */
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36 /* TC_HCB HISR Control Block */
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37 /* TC_PROTECT Task/HISR protection struct */
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38 /* */
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39 /* FUNCTIONS */
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40 /* */
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41 /* None */
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42 /* */
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43 /* DEPENDENCIES */
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44 /* */
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45 /* cs_defs.h Common service definitions */
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46 /* tm_defs.h Timer control definitions */
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47 /* */
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48 /* HISTORY */
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49 /* */
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50 /* NAME DATE REMARKS */
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51 /* */
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52 /* W. Lamie 03-01-1993 Created initial version 1.0 */
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53 /* D. Lamie 04-19-1993 Verified version 1.0 */
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54 /* W. Lamie 06-01-1993 Added padding conditional into */
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55 /* TC_TCB structure, making */
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56 /* version 1.0a */
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57 /* D. Lamie 06-01-1993 Verified version 1.0a */
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58 /* W. Lamie 03-01-1994 Moved include files outside of */
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59 /* the file #ifndef to allow the */
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60 /* use of actual data structures, */
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61 /* added four reserved words in */
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62 /* both the task and HISR blocks, */
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63 /* resulting in version 1.1 */
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64 /* R. Pfaff - */
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65 /* D. Lamie 03-18-1994 Verified version 1.1 */
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66 /* */
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67 /*************************************************************************/
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68
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69 #include "cs_defs.h" /* Common service constants */
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70 #include "tm_defs.h" /* Timer control structures */
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71
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72
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73 /* Check to see if the file has been included already. */
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74
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75 #ifndef TC_DEFS
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76 #define TC_DEFS
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77
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78
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79 /* Define constants local to this component. */
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80
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81 #define TC_TASK_ID 0x5441534bUL
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82 #define TC_HISR_ID 0x48495352UL
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83 #define TC_PRIORITIES 256
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84 #define TC_HISR_PRIORITIES 3
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85 #define TC_MAX_GROUPS TC_PRIORITIES/8
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86 #define TC_HIGHEST_MASK 0x000000FFUL
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87 #define TC_NEXT_HIGHEST_MASK 0x0000FF00UL
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88 #define TC_NEXT_LOWEST_MASK 0x00FF0000UL
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89 #define TC_LOWEST_MASK 0xFF000000UL
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90
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91 /* Define the Task Control Block data type. */
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92
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93 typedef struct TC_TCB_STRUCT
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94 {
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95 /* Standard thread information first. This information is used by
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96 the target dependent portion of this component. Changes made
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97 to this area of the structure can have undesirable side effects. */
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98
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99 CS_NODE tc_created; /* Node for linking to */
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100 /* created task list */
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101 UNSIGNED tc_id; /* Internal TCB ID */
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102 CHAR tc_name[NU_MAX_NAME]; /* Task name */
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103 DATA_ELEMENT tc_status; /* Task status */
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104 DATA_ELEMENT tc_delayed_suspend; /* Delayed task suspension*/
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105 DATA_ELEMENT tc_priority; /* Task priority */
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106 DATA_ELEMENT tc_preemption; /* Task preemption enable */
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107 UNSIGNED tc_scheduled; /* Task scheduled count */
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108 UNSIGNED tc_cur_time_slice; /* Current time slice */
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109 VOID *tc_stack_start; /* Stack starting address */
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110 VOID *tc_stack_end; /* Stack ending address */
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111 VOID *tc_stack_pointer; /* Task stack pointer */
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112 UNSIGNED tc_stack_size; /* Task stack's size */
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113 UNSIGNED tc_stack_minimum; /* Minimum stack size */
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114 struct TC_PROTECT_STRUCT
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115 *tc_current_protect; /* Current protection */
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116 VOID *tc_saved_stack_ptr; /* Previous stack pointer */
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117 UNSIGNED tc_time_slice; /* Task time slice value */
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118
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119
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120 /* Information after this point is not used in the target dependent
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121 portion of this component. Hence, changes in the following section
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122 should not impact assembly language routines. */
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123 struct TC_TCB_STRUCT
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124 *tc_ready_previous, /* Previously ready TCB */
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125 *tc_ready_next; /* next and previous ptrs */
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126
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127 /* Task control information follows. */
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128
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129 UNSIGNED tc_priority_group; /* Priority group mask bit*/
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130 struct TC_TCB_STRUCT
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131 **tc_priority_head; /* Pointer to list head */
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132 DATA_ELEMENT *tc_sub_priority_ptr; /* Pointer to sub-group */
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133 DATA_ELEMENT tc_sub_priority; /* Mask of sub-group bit */
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134 DATA_ELEMENT tc_saved_status; /* Previous task status */
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135 DATA_ELEMENT tc_signal_active; /* Signal active flag */
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136
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137 #if PAD_3
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138 DATA_ELEMENT tc_padding[PAD_3];
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139 #endif
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140
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141 /* Task entry function */
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142 VOID (*tc_entry)(UNSIGNED, VOID *);
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143 UNSIGNED tc_argc; /* Optional task argument */
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144 VOID *tc_argv; /* Optional task argument */
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145 VOID (*tc_cleanup) (VOID *);/* Clean-up routine */
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146 VOID *tc_cleanup_info; /* Clean-up information */
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147 struct TC_PROTECT_STRUCT
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148 *tc_suspend_protect; /* Protection at time of */
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149 /* task suspension */
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150
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151 /* Task timer information. */
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152 INT tc_timer_active; /* Active timer flag */
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153 TM_TCB tc_timer_control; /* Timer control block */
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154
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155 /* Task signal control information. */
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156
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157 UNSIGNED tc_signals; /* Current signals */
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158 UNSIGNED tc_enabled_signals; /* Enabled signals */
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159
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160 /* tc_saved_status and tc_signal_active are now defined above in an
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161 attempt to keep DATA_ELEMENT types together. */
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162
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163 /* Signal handling routine. */
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164 VOID (*tc_signal_handler) (UNSIGNED);
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165
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166 /* Reserved words for the system and a single reserved word for the
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167 application. */
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168 UNSIGNED tc_system_reserved_1; /* System reserved word */
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169 UNSIGNED tc_system_reserved_2; /* System reserved word */
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170 UNSIGNED tc_system_reserved_3; /* System reserved word */
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171 UNSIGNED tc_app_reserved_1; /* Application reserved */
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172
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173 } TC_TCB;
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174
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175
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176 /* Define the High-Level Interrupt Service Routine Control Block data type. */
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177
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178 typedef struct TC_HCB_STRUCT
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179 {
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180 /* Standard thread information first. This information is used by
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181 the target dependent portion of this component. Changes made
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182 to this area of the structure can have undesirable side effects. */
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183
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184 CS_NODE tc_created; /* Node for linking to */
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185 /* created task list */
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186 UNSIGNED tc_id; /* Internal TCB ID */
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187 CHAR tc_name[NU_MAX_NAME]; /* HISR name */
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188 DATA_ELEMENT tc_not_used_1; /* Not used field */
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189 DATA_ELEMENT tc_not_used_2; /* Not used field */
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190 DATA_ELEMENT tc_priority; /* HISR priority */
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191 DATA_ELEMENT tc_not_used_3; /* Not used field */
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192 UNSIGNED tc_scheduled; /* HISR scheduled count */
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193 UNSIGNED tc_cur_time_slice; /* Not used in HISR */
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194 VOID *tc_stack_start; /* Stack starting address */
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195 VOID *tc_stack_end; /* Stack ending address */
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196 VOID *tc_stack_pointer; /* HISR stack pointer */
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197 UNSIGNED tc_stack_size; /* HISR stack's size */
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198 UNSIGNED tc_stack_minimum; /* Minimum stack size */
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199 struct TC_PROTECT_STRUCT
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200 *tc_current_protect; /* Current protection */
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201 struct TC_HCB_STRUCT
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202 *tc_active_next; /* Next activated HISR */
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203
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204 /* Information after this point is not used in the target dependent
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205 portion of this component. Hence, changes in the following section
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206 should not impact assembly language routines. */
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207 UNSIGNED tc_activation_count; /* Activation counter */
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208 VOID (*tc_entry)(VOID); /* HISR entry function */
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209
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210 /* Reserved words for the system and a single reserved word for the
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211 application. */
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212 UNSIGNED tc_system_reserved_1; /* System reserved word */
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213 UNSIGNED tc_system_reserved_2; /* System reserved word */
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214 UNSIGNED tc_system_reserved_3; /* System reserved word */
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215 UNSIGNED tc_app_reserved_1; /* Application reserved */
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216
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217 } TC_HCB;
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218
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219
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220 /* Define the Task/HISR protection structure type. */
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221
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222 typedef struct TC_PROTECT_STRUCT
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223 {
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224 TC_TCB *tc_tcb_pointer; /* Owner of the protection */
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225 UNSIGNED tc_thread_waiting; /* Waiting thread flag */
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226 } TC_PROTECT;
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227
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228 #endif