FreeCalypso > hg > fc-selenite

annotate src/nucleus/tci.c @ 134:7d50d8d13711

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FFS code sync with Magnetite + gcc version fix This change brings the new flash autodetection for FC and Pirelli targets from Magnetite, and should also fix the gcc version for C1xx and gtamodem targets, which were previously broken because they used TI's original flash autodetect code (which operates at address 0) while the boot ROM is mapped there.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 11 Dec 2018 08:43:25 +0000
parents 0f80e1e4dce4
children
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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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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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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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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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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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140 /* TCD_List_Protect Protection of task list */
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Mychaela Falconia <falcon@freecalypso.org>
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141 /* TCD_Schedule_Protect Protection of scheduling */
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142 /* data structures. */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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143 /* TCD_HISR_Protect Protection of created HISR */
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144 /* list */
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Mychaela Falconia <falcon@freecalypso.org>
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145 /* TCD_Interrupt_Level Enable interrupt level */
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Mychaela Falconia <falcon@freecalypso.org>
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146 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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147 /* HISTORY */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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148 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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149 /* DATE REMARKS */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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150 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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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 */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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159 /* schedule protection, resulting */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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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 /* */
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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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
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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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,
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
Mychaela Falconia <falcon@freecalypso.org>
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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 {
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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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 }
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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209
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210 /* Initialize the LISR interrupt control data structures. */
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211 for (i = 0; i <= NU_MAX_VECTORS; i++)
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212 TCD_Registered_LISRs[i] = NU_FALSE;
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213
0f80e1e4dce4 src/nucleus: library C code import from FreeNucleus package
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214 for (i = 0; i <= NU_MAX_LISRS; i++)
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215 TCD_LISR_Pointers[i] = NU_NULL;
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216
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217 /* Initialize the interrupt processing variables. */
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218 TCD_Interrupt_Count = 0;
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219 TCD_Stack_Switched = 0;
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220
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221 /* Initialize the task control protection structures. */
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222 TCD_List_Protect.tc_tcb_pointer = NU_NULL;
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223 TCD_System_Protect.tc_tcb_pointer = NU_NULL;
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224 TCD_LISR_Protect.tc_tcb_pointer = NU_NULL;
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225 TCD_HISR_Protect.tc_tcb_pointer = NU_NULL;
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226
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227 /* Initialize the interrupt level to enable all interrupts. */
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228 TCD_Interrupt_Level = NU_ENABLE_INTERRUPTS;
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229 }
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230
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231
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232
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233
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234