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annotate src/nucleus/ioi.c @ 11:d65489886c6e

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src/nucleus/gcc/tct.S: no small sleep in FFS editor
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 03:56:21 +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 /* ioi.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 /* IO - Input/Output Driver 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 I/O Driver */
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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 /* IOI_Initialize I/O Driver Initialize */
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34 /* */
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35 /* DEPENDENCIES */
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36 /* */
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37 /* io_defs.h I/O Driver component consts */
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38 /* tc_defs.h Thread control constants */
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39 /* */
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40 /* HISTORY */
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41 /* */
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42 /* DATE REMARKS */
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43 /* */
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44 /* 03-01-1993 Created initial version 1.0 */
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45 /* 04-19-1993 Verified version 1.0 */
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46 /* 03-01-1994 Updated copyright notice, */
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47 /* changed "void" to VOID, */
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48 /* resulting in version 1.1 */
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49 /* */
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50 /* 03-18-1994 Verified version 1.1 */
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51 /* 04-17-1996 updated to version 1.2 */
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52 /* 03-24-1998 Released version 1.3 */
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53 /* 03-26-1999 Released 1.11m (new release */
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54 /* numbering scheme) */
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55 /* 04-17-2002 Released version 1.13m */
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56 /* 11-07-2002 Released version 1.14 */
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57 /*************************************************************************/
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58 #define NU_SOURCE_FILE
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59
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60
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61 #include "io_defs.h" /* I/O driver constants */
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62 #include "io_extr.h" /* I/O driver interfaces */
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63 #include "tc_defs.h" /* Thread control constants */
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64
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65
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66
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67 /* Define external inner-component global data references. */
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68
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69 extern CS_NODE *IOD_Created_Drivers_List;
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70 extern UNSIGNED IOD_Total_Drivers;
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71 extern TC_PROTECT IOD_List_Protect;
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72
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73
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74 /*************************************************************************/
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75 /* */
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76 /* FUNCTION */
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77 /* */
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78 /* IOI_Initialize */
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79 /* */
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80 /* DESCRIPTION */
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81 /* */
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82 /* This function initializes the data structures that control the */
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83 /* operation of the I/O driver component (IO). There are no I/O */
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84 /* drivers initially. This routine must be called from Supervisor */
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85 /* mode in Supervisor/User mode switched kernels. */
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86 /* */
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87 /* CALLED BY */
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88 /* */
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89 /* INC_Initialize System initialization */
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90 /* */
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91 /* CALLS */
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92 /* */
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93 /* None */
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94 /* */
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95 /* INPUTS */
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96 /* */
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97 /* None */
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98 /* */
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99 /* OUTPUTS */
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100 /* */
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101 /* IOD_Created_Drivers_List List of created I/O drivers */
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102 /* IOD_Total_Drivers Number of created I/O drivers*/
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103 /* IOD_List_Protect Protection for driver list */
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104 /* */
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105 /* HISTORY */
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106 /* */
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107 /* DATE REMARKS */
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108 /* */
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109 /* 03-01-1993 Created initial version 1.0 */
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110 /* 04-19-1993 Verified version 1.0 */
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111 /* 03-01-1994 Updated copyright notice, */
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112 /* changed "void" to "VOID", */
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113 /* resulting in version 1.1 */
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114 /* */
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115 /* 03-18-1994 Verified version 1.1 */
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116 /* */
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117 /*************************************************************************/
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118 VOID IOI_Initialize(VOID)
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119 {
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120
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121 /* Initialize the created I/O driver list to NU_NULL. */
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122 IOD_Created_Drivers_List = NU_NULL;
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123
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124 /* Initialize the total number of created I/O drivers to 0. */
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125 IOD_Total_Drivers = 0;
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126
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127 /* Initialize the list protection structure. */
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128 IOD_List_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