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annotate src/nucleus/hic.c @ 19:399779c700da

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top make-all.sh script added
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 05:59:55 +0000
parents 92470e5d0b9e
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright Mentor Graphics Corporation 2002 */
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4 /* All Rights Reserved. */
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5 /* */
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */
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8 /* SUBJECT TO LICENSE TERMS. */
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9 /* */
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10 /*************************************************************************/
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11
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12 /*************************************************************************/
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13 /* */
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14 /* FILE NAME VERSION */
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15 /* */
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16 /* 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. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 TCT_Unprotect();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 /* Return to user mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 NU_USER_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 /* FUNCTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 /* HIC_Enable_History_Saving */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 /* DESCRIPTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 /* This function enables the history saving function. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 /* CALLED BY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 /* Application */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 /* CALLS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 /* TCT_Protect Protect history structures */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /* TCT_Unprotect Release history protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 /* INPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 /* None */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /* OUTPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 /* None */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 /* HISTORY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 /* DATE REMARKS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 /* 03-01-1993 Created initial version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 /* 04-19-1993 Verified version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 /* 03-01-1994 Replaced void with VOID, */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /* resulting in version 1.1 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 /* 03-18-1994 Verified version 1.1 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 VOID HIC_Enable_History_Saving(VOID)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 NU_SUPERV_USER_VARIABLES
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 /* Switch to supervisor mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191 NU_SUPERVISOR_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 /* Protect the history data structures. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 TCT_Protect(&HID_History_Protect);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 /* Enable history saving by setting the enable flag to true. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 HID_History_Enable = NU_TRUE;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 /* Release protection. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 TCT_Unprotect();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 /* Return to user mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 NU_USER_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 /* FUNCTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 /* HIC_Make_History_Entry_Service */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 /* DESCRIPTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 /* This function makes an application entry in the history table. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 /* CALLED BY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 /* Application */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 /* CALLS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 /* HIC_Make_History_Entry Make a history entry */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 /* INPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 /* param1 First history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 /* param2 Second history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 /* param3 Third history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231 /* OUTPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 /* None */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 /* HISTORY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 /* DATE REMARKS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
239 /* 03-01-1993 Created initial version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 /* 04-19-1993 Verified version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 VOID HIC_Make_History_Entry_Service(UNSIGNED param1,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 UNSIGNED param2, UNSIGNED param3)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 /* Call actual function to make the history entry. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 HIC_Make_History_Entry(NU_USER_ID, param1, param2, param3);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 /* FUNCTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 /* HIC_Make_History_Entry */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 /* DESCRIPTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 /* This function makes an entry in the next available location in */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 /* the history table- if history saving is enabled. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 /* CALLED BY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 /* Application */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 /* CALLS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 /* TCC_Current_HISR_Pointer Retrieve current HISR pointer*/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 /* TCC_Current_Task_Pointer Retrieve current task pointer*/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 /* TCT_Get_Current_Protect Pickup current protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 /* TCT_Protect Protect history structures */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 /* TCT_Set_Current_Protect Set current protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 /* TCT_Unprotect Release history protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 /* TCT_Unprotect_Specific Release history protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 /* TMT_Retrieve_Clock Retrieve system clock */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 /* INPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 /* param1 First history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 /* param2 Second history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 /* param3 Third history parameter */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /* OUTPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 /* None */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 /* HISTORY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 /* DATE REMARKS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 /* 03-01-1993 Created initial version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 /* 04-19-1993 Verified version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 /* 03-01-1994 Modified protection logic, */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 /* resulting in version 1.1 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 /* 03-18-1994 Verified version 1.1 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 VOID HIC_Make_History_Entry(DATA_ELEMENT id, UNSIGNED param1,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 UNSIGNED param2, UNSIGNED param3)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 TC_PROTECT *save_protect; /* Save protect pointer */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304 HI_HISTORY_ENTRY *pointer; /* Quick access pointer */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 NU_SUPERV_USER_VARIABLES
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307 /* Switch to supervisor mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 NU_SUPERVISOR_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310 /* If we are not in initialization, get the current protection state */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311 if (INC_Initialize_State == INC_END_INITIALIZE)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313 /* Pickup current protection. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 save_protect = TCT_Get_Current_Protect();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 /* we are in initialization, just clear save_protect */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318 save_protect = 0;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 /* Protect the history data structures. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 TCT_Protect(&HID_History_Protect);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 /* Determine if history saving is enabled. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 if (HID_History_Enable)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 /* Yes, history saving is enabled. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329 /* Build a pointer to the next location to write to in the table. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 pointer = &HIC_History_Table[HID_Write_Index];
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 /* Place the necessary information into the history table at the
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333 current location. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 pointer -> hi_id = id;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 pointer -> hi_param1 = param1;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 pointer -> hi_param2 = param2;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 pointer -> hi_param3 = param3;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 pointer -> hi_time = TMT_Retrieve_Clock();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 /* Now determine what thread we are currently in. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 if ((pointer -> hi_thread =
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342 (VOID *) TCC_Current_Task_Pointer()) != NU_NULL)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 /* Task thread. Set the caller flag accordingly. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 pointer -> hi_caller = HI_TASK;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347 else if ((pointer -> hi_thread =
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 (VOID *) TCC_Current_HISR_Pointer()) != NU_NULL)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 /* HISR thread. Set the caller flag accordingly. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 pointer -> hi_caller = HI_HISR;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355 /* Neither a task or HISR, it caller must be initialization. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 pointer -> hi_caller = HI_INITIALIZE;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 /* Move the write index. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 HID_Write_Index++;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 /* Check for a wrap condition on the write index. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 if (HID_Write_Index >= HI_MAX_ENTRIES)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 /* Wrap condition present, adjust the write index to the top of the
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 table. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366 HID_Write_Index = 0;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 /* Increment the entries counter, if the maximum has not yet been
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 reached. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370 if (HID_Entry_Count < HI_MAX_ENTRIES)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372 /* Increment the total entries counter. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373 HID_Entry_Count++;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
375
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
376 /* Drag the read index along with the write index. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
377 HID_Read_Index = HID_Write_Index;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
378 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
379
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
380 /* Determine if there was protection in force before call. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
381 if (save_protect)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
382 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
383
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
384 /* Make saved protection the current again. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
385 TCT_Set_Current_Protect(save_protect);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
386
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
387 /* Release the history protection. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
388 TCT_Unprotect_Specific(&HID_History_Protect);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
389 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
390 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
391
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
392 /* Release protection. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
393 TCT_Unprotect();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
394
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
395 /* Return to user mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
396 NU_USER_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
397 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
398
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
399
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
400 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
401 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
402 /* FUNCTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
403 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
404 /* HIC_Retrieve_History_Entry */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
405 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
406 /* DESCRIPTION */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
407 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
408 /* This function retrieves the next oldest entry in the history */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
409 /* table. If no more entries are available, an error status is */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
410 /* returned. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
411 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
412 /* CALLED BY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
413 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
414 /* Application */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
415 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
416 /* CALLS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
417 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
418 /* TCT_Protect Protect history structures */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
419 /* TCT_Unprotect Release history protection */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
420 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
421 /* INPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
422 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
423 /* id Destination for entry id */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
424 /* param1 Destination for parameter 1 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
425 /* param2 Destination for parameter 2 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
426 /* param3 Destination for parameter 3 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
427 /* time Destination for time of entry*/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
428 /* task Destination of task pointer */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
429 /* hisr Destination of hisr pointer */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
430 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
431 /* OUTPUTS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
432 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
433 /* None */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
434 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
435 /* HISTORY */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
436 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
437 /* DATE REMARKS */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
438 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
439 /* 03-01-1993 Created initial version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
440 /* 04-19-1993 Verified version 1.0 */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
441 /* */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
442 /*************************************************************************/
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
443 STATUS HIC_Retrieve_History_Entry(DATA_ELEMENT *id, UNSIGNED *param1,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
444 UNSIGNED *param2, UNSIGNED *param3,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
445 UNSIGNED *time, NU_TASK **task,
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
446 NU_HISR **hisr)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
447 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
448
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
449 STATUS status; /* Completion status */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
450 HI_HISTORY_ENTRY *pointer; /* Quick access pointer */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
451 NU_SUPERV_USER_VARIABLES
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
452
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
453 /* Switch to supervisor mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
454 NU_SUPERVISOR_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
455
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
456 /* Initialize status. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
457 status = NU_SUCCESS;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
458
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
459 /* Protect the history data structures. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
460 TCT_Protect(&HID_History_Protect);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
461
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
462 /* Determine if there is an entry in the history log. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
463 if (HID_Entry_Count)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
464 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
465
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
466 /* Yes, there is at least one entry in the history log. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
467
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
468 /* Build a pointer to the next location to read from in the table. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
469 pointer = &HIC_History_Table[HID_Read_Index];
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
470
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
471 /* Place the necessary information into the history table at the
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
472 current location. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
473 *id = pointer -> hi_id;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
474 *param1 = pointer -> hi_param1;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
475 *param2 = pointer -> hi_param2;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
476 *param3 = pointer -> hi_param3;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
477 *time = pointer -> hi_time;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
478
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
479 /* Now determine what thread the entry was made from. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
480 if (pointer -> hi_caller == HI_TASK)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
481 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
482
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
483 /* Setup the task return parameter. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
484 *task = (NU_TASK *) pointer -> hi_thread;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
485 *hisr = NU_NULL;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
486 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
487 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
488 {
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
489
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
490 /* In either HISR or initialize case place the thread value
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
491 in the HISR return parameter. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
492 *hisr = (NU_HISR *) pointer -> hi_thread;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
493 *task = NU_NULL;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
494 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
495
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
496 /* Move the read index. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
497 HID_Read_Index++;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
498
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
499 /* Check for a wrap condition on the read index. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
500 if (HID_Read_Index >= HI_MAX_ENTRIES)
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
501
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
502 /* Wrap condition present, adjust the read index to the top of the
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
503 table. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
504 HID_Read_Index = 0;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
505
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
506 /* Decrement the entries counter. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
507 HID_Entry_Count--;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
508 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
509 else
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
510
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
511 /* Return the end of history log status. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
512 status = NU_END_OF_LOG;
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
513
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
514 /* Release protection. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
515 TCT_Unprotect();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
516
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
517 /* Return to user mode */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
518 NU_USER_MODE();
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
519
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
520 /* Return completion status to the caller. */
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
521 return(status);
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
522 }
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
523
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
524
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
525
92470e5d0b9e src: partial import from FC Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
526