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annotate src/nucleus/hii.c @ 0:92470e5d0b9e

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src: partial import from FC Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 01:28:16 +0000
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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 /* hii.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 initialization routine for the History */
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25 /* Management 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 /* HII_Initialize History Management Initialize*/
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34 /* */
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35 /* DEPENDENCIES */
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36 /* */
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37 /* hi_defs.h History component constants */
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38 /* */
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39 /* HISTORY */
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40 /* */
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41 /* DATE REMARKS */
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42 /* */
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43 /* 03-01-1993 Created initial version 1.0 */
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44 /* 04-19-1993 Verified version 1.0 */
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45 /* 03-01-1994 Replaced void with VOID, */
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46 /* resulting in version 1.1 */
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47 /* */
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48 /* 03-18-1994 Verified version 1.1 */
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49 /* 04-17-1996 updated to version 1.2 */
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50 /* 03-24-1998 Released version 1.3 */
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51 /* 03-26-1999 Released 1.11m (new release */
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52 /* numbering scheme) */
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53 /* 04-17-2002 Released version 1.13m */
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54 /* 11-07-2002 Released version 1.14 */
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55 /*************************************************************************/
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56 #define NU_SOURCE_FILE
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57
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58
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59 #include "hi_defs.h" /* History constants */
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60 #include "hi_extr.h" /* History interfaces */
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61
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62
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63 /* Define external inner-component global data references. */
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64
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65 extern INT HID_History_Enable;
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66 extern INT HID_Write_Index;
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67 extern INT HID_Read_Index;
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68 extern INT HID_Entry_Count;
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69 extern TC_PROTECT HID_History_Protect;
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70
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71
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72 /*************************************************************************/
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73 /* */
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74 /* FUNCTION */
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75 /* */
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76 /* HII_Initialize */
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77 /* */
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78 /* DESCRIPTION */
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79 /* */
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80 /* This function initializes the data structures that control the */
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81 /* operation of the History component (HI). This routine must be */
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82 /* called from Supervisor mode in Supervisor/User mode switching */
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83 /* kernels. */
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84 /* */
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85 /* CALLED BY */
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86 /* */
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87 /* INC_Initialize System initialization */
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88 /* */
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89 /* CALLS */
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90 /* */
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91 /* None */
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92 /* */
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93 /* INPUTS */
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94 /* */
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95 /* None */
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96 /* */
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97 /* OUTPUTS */
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98 /* */
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99 /* HID_Current_Index Next available table index */
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100 /* HID_Entry_Count Counter of entries in table */
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101 /* HID_Table_Protect History table protection */
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102 /* */
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103 /* HISTORY */
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104 /* */
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105 /* DATE REMARKS */
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106 /* */
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107 /* 03-01-1993 Created initial version 1.0 */
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108 /* 04-19-1993 Verified version 1.0 */
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109 /* 03-01-1994 Replaced void with VOID, */
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110 /* resulting in version 1.1 */
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111 /* */
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112 /* 03-18-1994 Verified version 1.1 */
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113 /* */
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114 /*************************************************************************/
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115 VOID HII_Initialize(VOID)
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116 {
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117 /* Initialize the history enable flag to false. */
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118 HID_History_Enable = NU_FALSE;
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119
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120 /* Initialize the starting indices to the first entry. */
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121 HID_Write_Index = 0;
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122 HID_Read_Index = 0;
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123
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124 /* Initialize the entry counter to 0. */
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125 HID_Entry_Count = 0;
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126
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127 /* Initialize the history protection structure. */
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128 HID_History_Protect.tc_tcb_pointer = NU_NULL;
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129 }
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130
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131
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132
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133
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134
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135