FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/hic.c @ 655:6c363c453db2
gsm-fw/cdg/cdginc-locosto: symlinks for *_inline.h
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Thu, 25 Sep 2014 09:48:43 +0000 |
parents | afceeeb2cba1 |
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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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parents:
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|
390 else |
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|
391 |
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parents:
diff
changeset
|
392 /* Release protection. */ |
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parents:
diff
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|
393 TCT_Unprotect(); |
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parents:
diff
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|
394 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
395 /* Return to user mode */ |
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parents:
diff
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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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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
402 /* FUNCTION */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
403 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
404 /* HIC_Retrieve_History_Entry */ |
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|
405 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
406 /* DESCRIPTION */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
407 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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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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parents:
diff
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|
410 /* returned. */ |
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parents:
diff
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|
411 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
412 /* CALLED BY */ |
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parents:
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|
413 /* */ |
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parents:
diff
changeset
|
414 /* Application */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
415 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
416 /* CALLS */ |
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parents:
diff
changeset
|
417 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
418 /* TCT_Protect Protect history structures */ |
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parents:
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|
419 /* TCT_Unprotect Release history protection */ |
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parents:
diff
changeset
|
420 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
421 /* INPUTS */ |
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parents:
diff
changeset
|
422 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
423 /* id Destination for entry id */ |
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parents:
diff
changeset
|
424 /* param1 Destination for parameter 1 */ |
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parents:
diff
changeset
|
425 /* param2 Destination for parameter 2 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
426 /* param3 Destination for parameter 3 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
427 /* time Destination for time of entry*/ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
428 /* task Destination of task pointer */ |
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parents:
diff
changeset
|
429 /* hisr Destination of hisr pointer */ |
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parents:
diff
changeset
|
430 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
431 /* OUTPUTS */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
432 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
433 /* None */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
434 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
435 /* HISTORY */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
436 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
437 /* DATE REMARKS */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
438 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
439 /* 03-01-1993 Created initial version 1.0 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
440 /* 04-19-1993 Verified version 1.0 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
441 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
442 /*************************************************************************/ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
443 STATUS HIC_Retrieve_History_Entry(DATA_ELEMENT *id, UNSIGNED *param1, |
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parents:
diff
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|
444 UNSIGNED *param2, UNSIGNED *param3, |
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parents:
diff
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|
445 UNSIGNED *time, NU_TASK **task, |
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parents:
diff
changeset
|
446 NU_HISR **hisr) |
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parents:
diff
changeset
|
447 { |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
448 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
449 STATUS status; /* Completion status */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
450 HI_HISTORY_ENTRY *pointer; /* Quick access pointer */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
451 NU_SUPERV_USER_VARIABLES |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
452 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
453 /* Switch to supervisor mode */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
454 NU_SUPERVISOR_MODE(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
455 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
456 /* Initialize status. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
457 status = NU_SUCCESS; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
458 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
459 /* Protect the history data structures. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
460 TCT_Protect(&HID_History_Protect); |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
461 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
462 /* Determine if there is an entry in the history log. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
463 if (HID_Entry_Count) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
464 { |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
465 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
466 /* Yes, there is at least one entry in the history log. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
467 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
468 /* Build a pointer to the next location to read from in the table. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
469 pointer = &HIC_History_Table[HID_Read_Index]; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
470 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
471 /* Place the necessary information into the history table at the |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
472 current location. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
473 *id = pointer -> hi_id; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
474 *param1 = pointer -> hi_param1; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
475 *param2 = pointer -> hi_param2; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
476 *param3 = pointer -> hi_param3; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
477 *time = pointer -> hi_time; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
478 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
479 /* Now determine what thread the entry was made from. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
480 if (pointer -> hi_caller == HI_TASK) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
481 { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
482 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
483 /* Setup the task return parameter. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
484 *task = (NU_TASK *) pointer -> hi_thread; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
485 *hisr = NU_NULL; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
486 } |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
487 else |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
488 { |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
489 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
490 /* In either HISR or initialize case place the thread value |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
491 in the HISR return parameter. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
492 *hisr = (NU_HISR *) pointer -> hi_thread; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
493 *task = NU_NULL; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
494 } |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
495 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
496 /* Move the read index. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
497 HID_Read_Index++; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
498 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
499 /* Check for a wrap condition on the read index. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
500 if (HID_Read_Index >= HI_MAX_ENTRIES) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
501 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
502 /* Wrap condition present, adjust the read index to the top of the |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
503 table. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
504 HID_Read_Index = 0; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
505 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
506 /* Decrement the entries counter. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
507 HID_Entry_Count--; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
508 } |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
509 else |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
510 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
511 /* Return the end of history log status. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
512 status = NU_END_OF_LOG; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
513 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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514 /* Release protection. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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515 TCT_Unprotect(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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516 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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517 /* Return to user mode */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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518 NU_USER_MODE(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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519 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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520 /* Return completion status to the caller. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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521 return(status); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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522 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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523 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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524 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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525 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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526 |