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annotate src/nucleus/iod.c @ 6:6a05d91d1435

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components: first round of changes for the FFS editor
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 15 May 2020 02:39:15 +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 /* iod.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 global data structures for use within the */
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25 /* Input/Output Driver Management component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* IOD_Created_Drivers_List Pointer to the linked-list */
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30 /* of created I/O drivers */
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31 /* IOD_Total_Drivers Total number of created */
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32 /* I/O drivers */
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33 /* IOD_List_Protect I/O driver list protection */
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34 /* */
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35 /* FUNCTIONS */
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36 /* */
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37 /* None */
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38 /* */
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39 /* DEPENDENCIES */
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40 /* */
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41 /* io_defs.h I/O Driver Management consts */
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42 /* tc_defs.h Thread Control constants */
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43 /* */
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44 /* HISTORY */
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45 /* */
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46 /* DATE REMARKS */
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47 /* */
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48 /* 03-01-1993 Created initial version 1.0 */
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49 /* 04-19-1993 Verified version 1.0 */
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50 /* 03-01-1994 Updated copyright notice, */
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51 /* resulting in version 1.1 */
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52 /* */
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53 /* 03-18-1994 Verified version 1.1 */
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54 /* 04-17-1996 updated to version 1.2 */
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55 /* 03-24-1998 Released version 1.3 */
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56 /* 03-26-1999 Released 1.11m (new release */
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57 /* numbering scheme) */
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58 /* 04-17-2002 Released version 1.13m */
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59 /* 11-07-2002 Released version 1.14 */
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60 /*************************************************************************/
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61 #define NU_SOURCE_FILE
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62
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63 #include "io_defs.h" /* I/O Driver constants */
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64 #include "tc_defs.h" /* Thread control constants */
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65
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66
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67 /* IOD_Created_Drivers_List is the head pointer of the linked list of
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68 created I/O drivers. If the list is NU_NULL, there are no I/O drivers
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69 created. */
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70
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71 CS_NODE *IOD_Created_Drivers_List;
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72
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73
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74 /* IOD_Total_Drivers contains the number of currently created
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75 I/O drivers. */
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76
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77 UNSIGNED IOD_Total_Drivers;
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78
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79
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80 /* IOD_List_Protect is a list protection structure used to block any other
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81 thread from access to the created drivers list. */
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82
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83 TC_PROTECT IOD_List_Protect;
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84
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