FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/tci.c @ 517:eafadfee35b2
gsm-fw/L1/cust?: imported Leonardo, LoCosto and MV100 versions
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 10 Jul 2014 03:43:04 +0000 |
parents | ea819b60fe0d |
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rev | line source |
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1 /*************************************************************************/ |
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2 /* */ |
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3 /* Copyright Mentor Graphics Corporation 2002 */ |
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4 /* All Rights Reserved. */ |
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5 /* */ |
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ |
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ |
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8 /* SUBJECT TO LICENSE TERMS. */ |
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9 /* */ |
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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 /* FILE NAME VERSION */ |
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15 /* */ |
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16 /* tci.c Nucleus PLUS 1.14 */ |
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17 /* */ |
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18 /* COMPONENT */ |
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19 /* */ |
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20 /* TC - Thread Control */ |
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21 /* */ |
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22 /* DESCRIPTION */ |
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23 /* */ |
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24 /* This file contains the initialization routine for this */ |
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25 /* component. */ |
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26 /* */ |
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27 /* DATA STRUCTURES */ |
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28 /* */ |
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29 /* None */ |
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30 /* */ |
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31 /* FUNCTIONS */ |
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32 /* */ |
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33 /* TCI_Initialize Thread Control Initialization*/ |
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34 /* */ |
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35 /* DEPENDENCIES */ |
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36 /* */ |
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37 /* tc_defs.h Thread Control constants */ |
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38 /* */ |
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39 /* HISTORY */ |
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40 /* */ |
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41 /* DATE REMARKS */ |
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42 /* */ |
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43 /* 03-01-1993 Created initial version 1.0 */ |
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44 /* 04-19-1993 Verified version 1.0 */ |
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45 /* 08-09-1993 Corrected problem initializing */ |
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46 /* the LISR association table, */ |
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47 /* resulting in version 1.0a */ |
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48 /* 08-09-1993 Verified version 1.0a */ |
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49 /* 03-01-1994 Changed to initialize the system */ |
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50 /* protection rather than the */ |
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51 /* schedule protection, resulting */ |
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52 /* in version 1.1 */ |
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53 /* */ |
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54 /* 03-18-1994 Verified version 1.1 */ |
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55 /* 04-17-1996 updated to version 1.2 */ |
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56 /* 03-24-1998 Released version 1.3 */ |
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57 /* 03-26-1999 Released 1.11m (new release */ |
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58 /* numbering scheme) */ |
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59 /* 04-17-2002 Released version 1.13m */ |
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60 /* 11-07-2002 Released version 1.14 */ |
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61 /*************************************************************************/ |
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62 #define NU_SOURCE_FILE |
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63 |
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64 |
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65 #include "cs_defs.h" /* Common Service constants */ |
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66 #include "tc_defs.h" /* Thread Control constants */ |
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67 #include "tc_extr.h" /* Thread Control interfaces */ |
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68 |
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69 /* Define external inner-component global data references. */ |
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70 |
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71 extern CS_NODE *TCD_Created_Tasks_List; |
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72 extern UNSIGNED TCD_Total_Tasks; |
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73 extern TC_TCB *TCD_Priority_List[TC_PRIORITIES]; |
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74 extern UNSIGNED TCD_Priority_Groups; |
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75 extern DATA_ELEMENT TCD_Sub_Priority_Groups[TC_MAX_GROUPS]; |
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76 extern INT TCD_Highest_Priority; |
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77 extern TC_TCB *TCD_Execute_Task; |
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78 extern VOID *TCD_Current_Thread; |
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79 extern UNSIGNED_CHAR TCD_Registered_LISRs[NU_MAX_VECTORS+1]; |
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80 extern VOID (*TCD_LISR_Pointers[NU_MAX_LISRS+1])(INT vector); |
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81 extern INT TCD_Interrupt_Count; |
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82 extern INT TCD_Stack_Switched; |
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83 extern TC_PROTECT TCD_List_Protect; |
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84 extern TC_PROTECT TCD_System_Protect; |
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85 extern TC_PROTECT TCD_LISR_Protect; |
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86 extern CS_NODE *TCD_Created_HISRs_List; |
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87 extern UNSIGNED TCD_Total_HISRs; |
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88 extern TC_HCB *TCD_Active_HISR_Heads[TC_HISR_PRIORITIES]; |
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89 extern TC_HCB *TCD_Active_HISR_Tails[TC_HISR_PRIORITIES]; |
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90 extern TC_HCB *TCD_Execute_HISR; |
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91 extern TC_PROTECT TCD_HISR_Protect; |
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92 extern INT TCD_Interrupt_Level; |
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93 |
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94 |
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95 |
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96 /*************************************************************************/ |
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97 /* */ |
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98 /* FUNCTION */ |
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99 /* */ |
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100 /* TCI_Initialize */ |
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101 /* */ |
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102 /* DESCRIPTION */ |
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103 /* */ |
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104 /* This function initializes the data structures that control the */ |
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105 /* operation of the TC component. The system is initialized as */ |
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106 /* idle. This routine must be executed from Supervisor mode in */ |
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107 /* Supervisor/User mode switching kernels. */ |
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108 /* */ |
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109 /* CALLED BY */ |
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110 /* */ |
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111 /* INC_Initialize System initialization */ |
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112 /* */ |
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113 /* CALLS */ |
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114 /* */ |
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115 /* None */ |
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116 /* */ |
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117 /* INPUTS */ |
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118 /* */ |
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119 /* None */ |
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120 /* */ |
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121 /* OUTPUTS */ |
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122 /* */ |
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123 /* TCD_Created_Tasks_List List of created tasks */ |
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124 /* TCD_Total_Tasks Number of created tasks */ |
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125 /* TCD_Priority_List Ready task array */ |
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126 /* TCD_Priority_Groups Ready priority group bit map */ |
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127 /* TCD_Sub_Priority_Groups Sub-priority groups bit map */ |
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128 /* TCD_Highest_Priority Highest priority task */ |
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129 /* TCD_Execute_Task Top priority task to execute */ |
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130 /* TCD_Created_HISRs_List List of created HISRs */ |
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131 /* TCD_Total_HISRs Number of created HISRs */ |
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132 /* TCD_Active_HISR_Heads Active HISR list head ptrs */ |
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133 /* TCD_Active_HISR_Tails Active HISR list tail ptrs */ |
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134 /* TCD_Execute_HISR Top priority HISR to execute */ |
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135 /* TCD_Current_Thread Current thread pointer */ |
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136 /* TCD_Registered_LISRs Registered LISRs list */ |
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137 /* TCD_LISR_Pointers Pointers to active LISRs */ |
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138 /* TCD_Interrupt_Count Interrupt in progress counter*/ |
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139 /* TCD_Stack_Switched Interrupt stack switched flag*/ |
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140 /* TCD_List_Protect Protection of task list */ |
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141 /* TCD_Schedule_Protect Protection of scheduling */ |
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142 /* data structures. */ |
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143 /* TCD_HISR_Protect Protection of created HISR */ |
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144 /* list */ |
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145 /* TCD_Interrupt_Level Enable interrupt level */ |
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146 /* */ |
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147 /* HISTORY */ |
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148 /* */ |
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149 /* DATE REMARKS */ |
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150 /* */ |
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151 /* 03-01-1993 Created initial version 1.0 */ |
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152 /* 04-19-1993 Verified version 1.0 */ |
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153 /* 08-09-1993 Corrected problem initializing */ |
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154 /* the LISR association table, */ |
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155 /* resulting in version 1.0a */ |
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156 /* 08-09-1993 Verified version 1.0a */ |
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157 /* 03-01-1994 Changed to initialize the system */ |
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158 /* protection rather than the */ |
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159 /* schedule protection, resulting */ |
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160 /* in version 1.1 */ |
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161 /* */ |
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162 /* 03-18-1994 Verified version 1.1 */ |
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163 /* */ |
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164 /*************************************************************************/ |
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165 VOID TCI_Initialize(VOID) |
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166 { |
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167 |
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168 int i; /* Working index variable */ |
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169 |
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170 |
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171 /* Initialize the created task list to NU_NULL. */ |
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172 TCD_Created_Tasks_List = NU_NULL; |
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173 |
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174 /* Initialize the total number of created tasks to 0. */ |
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175 TCD_Total_Tasks = 0; |
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176 |
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177 /* Initialize the array of ready task lists. */ |
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178 for (i = 0; i < TC_PRIORITIES; i++) |
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179 TCD_Priority_List[i] = 0; |
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180 |
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181 /* Initialize the bit maps that represent that at least one task is |
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182 ready at the same priority level. */ |
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183 TCD_Priority_Groups = 0; |
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184 |
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185 for (i = 0; i < TC_MAX_GROUPS; i++) |
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186 TCD_Sub_Priority_Groups[i] = 0; |
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187 |
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188 /* Initialize the highest priority flag. */ |
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189 TCD_Highest_Priority = TC_PRIORITIES; |
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190 |
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191 /* Initialize pointers to the task to execute, HISR to execute, |
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192 and current thread of execution. */ |
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193 TCD_Execute_Task = NU_NULL; |
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194 TCD_Execute_HISR = NU_NULL; |
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195 TCD_Current_Thread = NU_NULL; |
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196 |
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197 /* Initialize the created HISRs list to NU_NULL. */ |
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198 TCD_Created_HISRs_List = NU_NULL; |
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199 |
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200 /* Initialize the total number of created HISRs to 0. */ |
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201 TCD_Total_HISRs = 0; |
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202 |
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203 /* Initialize the array of ready HISR list pointers. */ |
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204 for (i = 0; i < TC_HISR_PRIORITIES; i++) |
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205 { |
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206 TCD_Active_HISR_Heads[i] = NU_NULL; |
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207 TCD_Active_HISR_Tails[i] = NU_NULL; |
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208 } |
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209 |
144
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210 /* not used in FreeCalypso */ |
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211 #if 0 |
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212 /* Initialize the LISR interrupt control data structures. */ |
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213 for (i = 0; i <= NU_MAX_VECTORS; i++) |
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214 TCD_Registered_LISRs[i] = NU_FALSE; |
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215 |
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216 for (i = 0; i <= NU_MAX_LISRS; i++) |
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217 TCD_LISR_Pointers[i] = NU_NULL; |
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218 #endif |
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219 |
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220 /* Initialize the interrupt processing variables. */ |
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221 TCD_Interrupt_Count = 0; |
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222 TCD_Stack_Switched = 0; |
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223 |
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224 /* Initialize the task control protection structures. */ |
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225 TCD_List_Protect.tc_tcb_pointer = NU_NULL; |
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226 TCD_System_Protect.tc_tcb_pointer = NU_NULL; |
144
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227 #if 0 |
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228 TCD_LISR_Protect.tc_tcb_pointer = NU_NULL; |
144
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229 #endif |
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230 TCD_HISR_Protect.tc_tcb_pointer = NU_NULL; |
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231 |
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232 /* Initialize the interrupt level to enable all interrupts. */ |
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233 TCD_Interrupt_Level = NU_ENABLE_INTERRUPTS; |
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234 } |