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annotate src/gpf3/inc/nuc/dm_defs.h @ 222:79cb194284ca

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doc/Freerunner-Howto: update for the TCS2/TCS3 hybrid development
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 16 Oct 2016 00:26:26 +0000
parents c41a534f33c6
children
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1 /*************************************************************************/
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2 /* */
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3 /* Copyright (c) 1993-1996 Accelerated Technology, Inc. */
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4 /* */
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5 /* PROPRIETARY RIGHTS of Accelerated Technology are involved in the */
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6 /* subject matter of this material. All manufacturing, reproduction, */
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7 /* use, and sales rights pertaining to this subject matter are governed */
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8 /* by the license agreement. The recipient of this software implicitly */
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9 /* accepts the terms of the license. */
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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 /* */
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15 /* FILE NAME VERSION */
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16 /* */
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17 /* dm_defs.h PLUS 1.2a */
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18 /* */
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19 /* COMPONENT */
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20 /* */
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21 /* DM - Dynamic Memory Management */
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22 /* */
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23 /* DESCRIPTION */
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24 /* */
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25 /* This file contains data structure definitions and constants for */
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26 /* the Dynamic Memory component. */
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27 /* */
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28 /* AUTHOR */
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29 /* */
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30 /* William E. Lamie, Accelerated Technology, Inc. */
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31 /* */
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32 /* DATA STRUCTURES */
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33 /* */
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34 /* DM_PCB Dynamic Pool control block */
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35 /* DM_HEADER Header of each memory block */
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36 /* DM_SUSPEND Memory suspension block */
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37 /* */
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38 /* FUNCTIONS */
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39 /* */
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40 /* None */
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41 /* */
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42 /* DEPENDENCIES */
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43 /* */
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44 /* cs_defs.h Common service definitions */
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45 /* tc_defs.h Thread Control definitions */
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46 /* */
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47 /* HISTORY */
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48 /* */
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49 /* NAME DATE REMARKS */
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50 /* */
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51 /* W. Lamie 03-01-1993 Created initial version 1.0 */
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52 /* D. Lamie 04-19-1993 Verified version 1.0 */
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53 /* W. Lamie 03-01-1994 Moved include files outside of */
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54 /* the file #ifndef to allow the */
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55 /* use of actual data structures, */
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56 /* added padding logic, */
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57 /* resulting in version 1.1 */
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58 /* R. Pfaff - */
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59 /* D. Lamie 03-18-1994 Verified version 1.1 */
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60 /* M.Q. Qian 04-17-1996 updated to version 1.2 */
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61 /* M. Trippi 01-07-1996 Added missing PAD_1 field to */
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62 /* DM_HEADER_STRUCT to be */
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63 /* consistent with other PLUS */
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64 /* structures creating 1.2a. */
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65 /* */
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66 /*************************************************************************/
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67
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68 #include "cs_defs.h" /* Common service constants */
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69 #include "tc_defs.h" /* Thread control constants */
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70
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71
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72 /* Check to see if the file has been included already. */
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73
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74 #ifndef DM_DEFS
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75 #define DM_DEFS
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76
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77
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78 /* Define constants local to this component. */
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79
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80 #define DM_DYNAMIC_ID 0x44594e41UL
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81 #define DM_OVERHEAD ((sizeof(DM_HEADER) + sizeof(UNSIGNED) \
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82 - 1)/sizeof(UNSIGNED)) * \
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83 sizeof(UNSIGNED)
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84
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85
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86 /* Define the Dynamic Pool Control Block data type. */
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87
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88 typedef struct DM_PCB_STRUCT
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89 {
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90 CS_NODE dm_created; /* Node for linking to */
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91 /* created dynamic pools */
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92 TC_PROTECT dm_protect; /* Protection structure */
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93 UNSIGNED dm_id; /* Internal PCB ID */
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94 CHAR dm_name[NU_MAX_NAME]; /* Dynamic Pool name */
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95 VOID *dm_start_address; /* Starting pool address */
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96 UNSIGNED dm_pool_size; /* Size of pool */
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97 UNSIGNED dm_min_allocation; /* Minimum allocate size */
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98 UNSIGNED dm_available; /* Total available bytes */
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99 struct DM_HEADER_STRUCT
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100 *dm_memory_list; /* Memory list */
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101 struct DM_HEADER_STRUCT
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102 *dm_search_ptr; /* Search pointer */
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103 DATA_ELEMENT dm_fifo_suspend; /* Suspension type flag */
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104 #if PAD_1
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105 DATA_ELEMENT dm_padding[PAD_1];
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106 #endif
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107 UNSIGNED dm_tasks_waiting; /* Number of waiting tasks*/
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108 struct DM_SUSPEND_STRUCT
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109 *dm_suspension_list; /* Suspension list */
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110 } DM_PCB;
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111
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112
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113 /* Define the header structure that is in front of each memory block. */
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114
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115 typedef struct DM_HEADER_STRUCT
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116 {
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117 struct DM_HEADER_STRUCT
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118 *dm_next_memory, /* Next memory block */
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119 *dm_previous_memory; /* Previous memory block */
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120 DATA_ELEMENT dm_memory_free; /* Memory block free flag */
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121 #if PAD_1
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122 DATA_ELEMENT dm_padding[PAD_1];
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123 #endif
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124 DM_PCB *dm_memory_pool; /* Dynamic pool pointer */
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125 } DM_HEADER;
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126
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127
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128 /* Define the dynamic memory suspension structure. This structure is
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129 allocated off of the caller's stack. */
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130
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131 typedef struct DM_SUSPEND_STRUCT
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132 {
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133 CS_NODE dm_suspend_link; /* Link to suspend blocks */
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134 DM_PCB *dm_memory_pool; /* Pointer to pool */
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135 UNSIGNED dm_request_size; /* Size of memory request */
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136 TC_TCB *dm_suspended_task; /* Task suspended */
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137 VOID *dm_return_pointer; /* Return memory address */
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138 STATUS dm_return_status; /* Return status */
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139 } DM_SUSPEND;
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140
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141 #endif