FreeCalypso > hg > fc-selenite
annotate src/nucleus/hic.c @ 134:7d50d8d13711
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> |
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date | Tue, 11 Dec 2018 08:43:25 +0000 |
parents | 0f80e1e4dce4 |
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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 /* hic.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 /* HI - History Management */ |
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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 core routines for the History Management */ |
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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 /* HIC_Disable_History_Saving Disable history saving */ |
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34 /* HIC_Enable_History_Saving Enable history saving */ |
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35 /* HIC_Make_History_Entry_Service Make history entry service */ |
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36 /* HIC_Make_History_Entry Make system history entry */ |
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37 /* HIC_Retrieve_History_Entry Retrieve history entry */ |
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38 /* */ |
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39 /* DEPENDENCIES */ |
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40 /* */ |
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41 /* tc_extr.h Thread Control functions */ |
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42 /* tm_extr.h Timer management functions */ |
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43 /* hi_extr.h History functions */ |
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44 /* */ |
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45 /* HISTORY */ |
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46 /* */ |
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47 /* DATE REMARKS */ |
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48 /* */ |
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49 /* 03-01-1993 Created initial version 1.0 */ |
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50 /* 04-19-1993 Verified version 1.0 */ |
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51 /* 03-01-1994 Replaced void with VOID, */ |
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52 /* modified protection logic, */ |
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53 /* resulting in version 1.1 */ |
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54 /* */ |
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55 /* 03-18-1994 Verified version 1.1 */ |
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56 /* 04-17-1996 updated to version 1.2 */ |
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57 /* 03-24-1998 Released version 1.3. */ |
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58 /* 03-26-1999 Released 1.11m (new release */ |
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59 /* numbering scheme) */ |
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60 /* 04-17-2002 Released version 1.13m */ |
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61 /* 11-07-2002 Released version 1.14 */ |
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62 /*************************************************************************/ |
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63 #define NU_SOURCE_FILE |
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64 |
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65 #include "in_defs.h" /* Initialization defines */ |
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66 #include "tc_extr.h" /* Thread control functions */ |
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67 #include "tm_extr.h" /* Timer functions */ |
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68 #include "hi_extr.h" /* History functions */ |
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69 |
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70 /* Define external inner-component global data references. */ |
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71 |
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72 extern INT INC_Initialize_State; |
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73 extern INT HID_History_Enable; |
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74 extern INT HID_Write_Index; |
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75 extern INT HID_Read_Index; |
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76 extern INT HID_Entry_Count; |
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77 extern TC_PROTECT HID_History_Protect; |
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78 |
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79 |
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80 /* Define the actual history table. Note that this is defined in this file |
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81 in order to eliminate this table if none of the run-time history functions |
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82 are accessed. */ |
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83 |
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84 HI_HISTORY_ENTRY HIC_History_Table[HI_MAX_ENTRIES]; |
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85 |
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86 |
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87 /*************************************************************************/ |
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88 /* */ |
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89 /* FUNCTION */ |
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90 /* */ |
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91 /* HIC_Disable_History_Saving */ |
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92 /* */ |
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93 /* DESCRIPTION */ |
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94 /* */ |
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95 /* This function disables the history saving function. */ |
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96 /* */ |
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97 /* CALLED BY */ |
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98 /* */ |
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99 /* Application */ |
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100 /* */ |
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101 /* CALLS */ |
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102 /* */ |
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103 /* TCT_Protect Protect history structures */ |
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104 /* TCT_Unprotect Release history protection */ |
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105 /* */ |
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106 /* INPUTS */ |
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107 /* */ |
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108 /* None */ |
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109 /* */ |
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110 /* OUTPUTS */ |
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111 /* */ |
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112 /* None */ |
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113 /* */ |
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114 /* HISTORY */ |
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115 /* */ |
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116 /* DATE REMARKS */ |
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117 /* */ |
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118 /* 03-01-1993 Created initial version 1.0 */ |
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119 /* 04-19-1993 Verified version 1.0 */ |
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120 /* 03-01-1994 Replaced void with VOID, */ |
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121 /* resulting in version 1.1 */ |
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122 /* */ |
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123 /* 03-18-1994 Verified version 1.1 */ |
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124 /* */ |
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125 /*************************************************************************/ |
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126 VOID HIC_Disable_History_Saving(VOID) |
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127 { |
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128 NU_SUPERV_USER_VARIABLES |
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129 |
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130 /* Switch to supervisor mode */ |
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131 NU_SUPERVISOR_MODE(); |
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132 |
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133 /* Protect the history data structures. */ |
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134 TCT_Protect(&HID_History_Protect); |
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135 |
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136 /* Disable history saving by setting the enable flag to false. */ |
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137 HID_History_Enable = NU_FALSE; |
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138 |
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139 /* Release protection. */ |
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140 TCT_Unprotect(); |
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141 |
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142 /* Return to user mode */ |
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143 NU_USER_MODE(); |
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144 } |
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145 |
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146 |
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147 /*************************************************************************/ |
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148 /* */ |
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149 /* FUNCTION */ |
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150 /* */ |
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151 /* HIC_Enable_History_Saving */ |
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152 /* */ |
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153 /* DESCRIPTION */ |
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154 /* */ |
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155 /* This function enables the history saving function. */ |
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156 /* */ |
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157 /* CALLED BY */ |
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158 /* */ |
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159 /* Application */ |
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160 /* */ |
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161 /* CALLS */ |
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162 /* */ |
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163 /* TCT_Protect Protect history structures */ |
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164 /* TCT_Unprotect Release history protection */ |
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165 /* */ |
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166 /* INPUTS */ |
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167 /* */ |
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168 /* None */ |
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169 /* */ |
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170 /* OUTPUTS */ |
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171 /* */ |
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172 /* None */ |
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173 /* */ |
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174 /* HISTORY */ |
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175 /* */ |
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176 /* DATE REMARKS */ |
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177 /* */ |
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178 /* 03-01-1993 Created initial version 1.0 */ |
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179 /* 04-19-1993 Verified version 1.0 */ |
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180 /* 03-01-1994 Replaced void with VOID, */ |
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181 /* resulting in version 1.1 */ |
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182 /* */ |
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183 /* 03-18-1994 Verified version 1.1 */ |
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184 /* */ |
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185 /*************************************************************************/ |
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186 VOID HIC_Enable_History_Saving(VOID) |
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187 { |
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188 NU_SUPERV_USER_VARIABLES |
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189 |
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190 /* Switch to supervisor mode */ |
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191 NU_SUPERVISOR_MODE(); |
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192 |
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193 /* Protect the history data structures. */ |
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194 TCT_Protect(&HID_History_Protect); |
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195 |
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196 /* Enable history saving by setting the enable flag to true. */ |
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197 HID_History_Enable = NU_TRUE; |
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198 |
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199 /* Release protection. */ |
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200 TCT_Unprotect(); |
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201 |
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202 /* Return to user mode */ |
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203 NU_USER_MODE(); |
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204 } |
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205 |
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206 |
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207 /*************************************************************************/ |
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208 /* */ |
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209 /* FUNCTION */ |
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210 /* */ |
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211 /* HIC_Make_History_Entry_Service */ |
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212 /* */ |
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213 /* DESCRIPTION */ |
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214 /* */ |
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215 /* This function makes an application entry in the history table. */ |
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216 /* */ |
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217 /* CALLED BY */ |
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218 /* */ |
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219 /* Application */ |
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220 /* */ |
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221 /* CALLS */ |
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222 /* */ |
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223 /* HIC_Make_History_Entry Make a history entry */ |
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224 /* */ |
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225 /* INPUTS */ |
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226 /* */ |
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227 /* param1 First history parameter */ |
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228 /* param2 Second history parameter */ |
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229 /* param3 Third history parameter */ |
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230 /* */ |
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231 /* OUTPUTS */ |
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232 /* */ |
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233 /* None */ |
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234 /* */ |
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235 /* HISTORY */ |
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236 /* */ |
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237 /* DATE REMARKS */ |
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238 /* */ |
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239 /* 03-01-1993 Created initial version 1.0 */ |
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240 /* 04-19-1993 Verified version 1.0 */ |
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241 /* */ |
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242 /*************************************************************************/ |
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243 VOID HIC_Make_History_Entry_Service(UNSIGNED param1, |
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244 UNSIGNED param2, UNSIGNED param3) |
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245 { |
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246 /* Call actual function to make the history entry. */ |
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247 HIC_Make_History_Entry(NU_USER_ID, param1, param2, param3); |
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248 } |
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249 |
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250 |
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251 |
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252 /*************************************************************************/ |
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253 /* */ |
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254 /* FUNCTION */ |
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255 /* */ |
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256 /* HIC_Make_History_Entry */ |
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257 /* */ |
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258 /* DESCRIPTION */ |
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259 /* */ |
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260 /* This function makes an entry in the next available location in */ |
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261 /* the history table- if history saving is enabled. */ |
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262 /* */ |
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263 /* CALLED BY */ |
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264 /* */ |
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265 /* Application */ |
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266 /* */ |
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267 /* CALLS */ |
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268 /* */ |
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269 /* TCC_Current_HISR_Pointer Retrieve current HISR pointer*/ |
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270 /* TCC_Current_Task_Pointer Retrieve current task pointer*/ |
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271 /* TCT_Get_Current_Protect Pickup current protection */ |
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272 /* TCT_Protect Protect history structures */ |
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273 /* TCT_Set_Current_Protect Set current protection */ |
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274 /* TCT_Unprotect Release history protection */ |
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275 /* TCT_Unprotect_Specific Release history protection */ |
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276 /* TMT_Retrieve_Clock Retrieve system clock */ |
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277 /* */ |
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278 /* INPUTS */ |
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279 /* */ |
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280 /* param1 First history parameter */ |
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281 /* param2 Second history parameter */ |
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282 /* param3 Third history parameter */ |
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283 /* */ |
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284 /* OUTPUTS */ |
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285 /* */ |
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286 /* None */ |
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287 /* */ |
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288 /* HISTORY */ |
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289 /* */ |
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290 /* DATE REMARKS */ |
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291 /* */ |
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292 /* 03-01-1993 Created initial version 1.0 */ |
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293 /* 04-19-1993 Verified version 1.0 */ |
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294 /* 03-01-1994 Modified protection logic, */ |
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295 /* resulting in version 1.1 */ |
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296 /* */ |
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297 /* 03-18-1994 Verified version 1.1 */ |
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298 /* */ |
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299 /*************************************************************************/ |
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300 VOID HIC_Make_History_Entry(DATA_ELEMENT id, UNSIGNED param1, |
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301 UNSIGNED param2, UNSIGNED param3) |
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302 { |
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303 TC_PROTECT *save_protect; /* Save protect pointer */ |
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304 HI_HISTORY_ENTRY *pointer; /* Quick access pointer */ |
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305 NU_SUPERV_USER_VARIABLES |
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306 |
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307 /* Switch to supervisor mode */ |
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308 NU_SUPERVISOR_MODE(); |
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309 |
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310 /* If we are not in initialization, get the current protection state */ |
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311 if (INC_Initialize_State == INC_END_INITIALIZE) |
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312 |
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313 /* Pickup current protection. */ |
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314 save_protect = TCT_Get_Current_Protect(); |
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315 |
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316 else |
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317 /* we are in initialization, just clear save_protect */ |
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318 save_protect = 0; |
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319 |
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320 /* Protect the history data structures. */ |
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321 TCT_Protect(&HID_History_Protect); |
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322 |
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323 /* Determine if history saving is enabled. */ |
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324 if (HID_History_Enable) |
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325 { |
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326 |
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327 /* Yes, history saving is enabled. */ |
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328 |
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329 /* Build a pointer to the next location to write to in the table. */ |
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330 pointer = &HIC_History_Table[HID_Write_Index]; |
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331 |
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332 /* Place the necessary information into the history table at the |
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333 current location. */ |
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334 pointer -> hi_id = id; |
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335 pointer -> hi_param1 = param1; |
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336 pointer -> hi_param2 = param2; |
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337 pointer -> hi_param3 = param3; |
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338 pointer -> hi_time = TMT_Retrieve_Clock(); |
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339 |
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340 /* Now determine what thread we are currently in. */ |
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341 if ((pointer -> hi_thread = |
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342 (VOID *) TCC_Current_Task_Pointer()) != NU_NULL) |
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343 |
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344 /* Task thread. Set the caller flag accordingly. */ |
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345 pointer -> hi_caller = HI_TASK; |
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346 |
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347 else if ((pointer -> hi_thread = |
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348 (VOID *) TCC_Current_HISR_Pointer()) != NU_NULL) |
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349 |
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350 /* HISR thread. Set the caller flag accordingly. */ |
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351 pointer -> hi_caller = HI_HISR; |
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352 |
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353 else |
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354 |
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355 /* Neither a task or HISR, it caller must be initialization. */ |
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356 pointer -> hi_caller = HI_INITIALIZE; |
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357 |
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358 /* Move the write index. */ |
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359 HID_Write_Index++; |
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360 |
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361 /* Check for a wrap condition on the write index. */ |
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362 if (HID_Write_Index >= HI_MAX_ENTRIES) |
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363 |
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364 /* Wrap condition present, adjust the write index to the top of the |
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365 table. */ |
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366 HID_Write_Index = 0; |
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367 |
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368 /* Increment the entries counter, if the maximum has not yet been |
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369 reached. */ |
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370 if (HID_Entry_Count < HI_MAX_ENTRIES) |
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371 |
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372 /* Increment the total entries counter. */ |
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373 HID_Entry_Count++; |
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374 else |
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375 |
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376 /* Drag the read index along with the write index. */ |
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377 HID_Read_Index = HID_Write_Index; |
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378 } |
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379 |
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380 /* Determine if there was protection in force before call. */ |
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381 if (save_protect) |
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382 { |
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383 |
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384 /* Make saved protection the current again. */ |
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385 TCT_Set_Current_Protect(save_protect); |
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386 |
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387 /* Release the history protection. */ |
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388 TCT_Unprotect_Specific(&HID_History_Protect); |
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389 } |
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390 else |
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391 |
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392 /* Release protection. */ |
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393 TCT_Unprotect(); |
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394 |
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395 /* Return to user mode */ |
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396 NU_USER_MODE(); |
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397 } |
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398 |
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399 |
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400 /*************************************************************************/ |
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401 /* */ |
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402 /* FUNCTION */ |
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403 /* */ |
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404 /* HIC_Retrieve_History_Entry */ |
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405 /* */ |
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406 /* DESCRIPTION */ |
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407 /* */ |
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408 /* This function retrieves the next oldest entry in the history */ |
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409 /* table. If no more entries are available, an error status is */ |
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410 /* returned. */ |
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411 /* */ |
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412 /* CALLED BY */ |
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413 /* */ |
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414 /* Application */ |
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415 /* */ |
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416 /* CALLS */ |
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417 /* */ |
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418 /* TCT_Protect Protect history structures */ |
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419 /* TCT_Unprotect Release history protection */ |
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420 /* */ |
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421 /* INPUTS */ |
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422 /* */ |
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423 /* id Destination for entry id */ |
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424 /* param1 Destination for parameter 1 */ |
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425 /* param2 Destination for parameter 2 */ |
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426 /* param3 Destination for parameter 3 */ |
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427 /* time Destination for time of entry*/ |
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428 /* task Destination of task pointer */ |
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429 /* hisr Destination of hisr pointer */ |
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430 /* */ |
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431 /* OUTPUTS */ |
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432 /* */ |
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433 /* None */ |
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434 /* */ |
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435 /* HISTORY */ |
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436 /* */ |
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437 /* DATE REMARKS */ |
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438 /* */ |
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439 /* 03-01-1993 Created initial version 1.0 */ |
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440 /* 04-19-1993 Verified version 1.0 */ |
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441 /* */ |
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442 /*************************************************************************/ |
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443 STATUS HIC_Retrieve_History_Entry(DATA_ELEMENT *id, UNSIGNED *param1, |
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444 UNSIGNED *param2, UNSIGNED *param3, |
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445 UNSIGNED *time, NU_TASK **task, |
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446 NU_HISR **hisr) |
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447 { |
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448 |
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449 STATUS status; /* Completion status */ |
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450 HI_HISTORY_ENTRY *pointer; /* Quick access pointer */ |
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451 NU_SUPERV_USER_VARIABLES |
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452 |
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453 /* Switch to supervisor mode */ |
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454 NU_SUPERVISOR_MODE(); |
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455 |
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456 /* Initialize status. */ |
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457 status = NU_SUCCESS; |
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458 |
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459 /* Protect the history data structures. */ |
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460 TCT_Protect(&HID_History_Protect); |
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461 |
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462 /* Determine if there is an entry in the history log. */ |
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463 if (HID_Entry_Count) |
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464 { |
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465 |
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466 /* Yes, there is at least one entry in the history log. */ |
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467 |
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468 /* Build a pointer to the next location to read from in the table. */ |
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469 pointer = &HIC_History_Table[HID_Read_Index]; |
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470 |
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471 /* Place the necessary information into the history table at the |
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472 current location. */ |
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473 *id = pointer -> hi_id; |
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474 *param1 = pointer -> hi_param1; |
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475 *param2 = pointer -> hi_param2; |
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476 *param3 = pointer -> hi_param3; |
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477 *time = pointer -> hi_time; |
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478 |
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479 /* Now determine what thread the entry was made from. */ |
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480 if (pointer -> hi_caller == HI_TASK) |
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481 { |
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482 |
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483 /* Setup the task return parameter. */ |
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484 *task = (NU_TASK *) pointer -> hi_thread; |
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485 *hisr = NU_NULL; |
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486 } |
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487 else |
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488 { |
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489 |
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490 /* In either HISR or initialize case place the thread value |
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491 in the HISR return parameter. */ |
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492 *hisr = (NU_HISR *) pointer -> hi_thread; |
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493 *task = NU_NULL; |
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494 } |
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495 |
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496 /* Move the read index. */ |
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497 HID_Read_Index++; |
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498 |
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499 /* Check for a wrap condition on the read index. */ |
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500 if (HID_Read_Index >= HI_MAX_ENTRIES) |
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501 |
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502 /* Wrap condition present, adjust the read index to the top of the |
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503 table. */ |
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504 HID_Read_Index = 0; |
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505 |
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506 /* Decrement the entries counter. */ |
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507 HID_Entry_Count--; |
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508 } |
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509 else |
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510 |
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511 /* Return the end of history log status. */ |
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512 status = NU_END_OF_LOG; |
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513 |
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514 /* Release protection. */ |
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515 TCT_Unprotect(); |
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516 |
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517 /* Return to user mode */ |
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518 NU_USER_MODE(); |
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519 |
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520 /* Return completion status to the caller. */ |
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521 return(status); |
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522 } |
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523 |
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524 |
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525 |
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526 |