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Fix FREESCALE_EDMA_NBYTES_MLOFFYES_MLOFF() so it works with negative offsets.
author vae
date Wed, 29 Apr 2015 23:31:48 +0000
parents b55bdbf25043
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # ====================================================================
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2 #
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3 # tasks.cdl
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4 #
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5 # uITRON task related configuration data
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6 #
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7 # ====================================================================
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8 ## ####ECOSGPLCOPYRIGHTBEGIN####
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9 ## -------------------------------------------
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10 ## This file is part of eCos, the Embedded Configurable Operating System.
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11 ## Copyright (C) 1998, 1999, 2000, 2001, 2002, 2009 Free Software Foundation, Inc.
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12 ##
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13 ## eCos is free software; you can redistribute it and/or modify it under
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14 ## the terms of the GNU General Public License as published by the Free
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15 ## Software Foundation; either version 2 or (at your option) any later
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16 ## version.
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17 ##
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18 ## eCos is distributed in the hope that it will be useful, but WITHOUT
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19 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 ## for more details.
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22 ##
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23 ## You should have received a copy of the GNU General Public License
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24 ## along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 ## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 ##
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27 ## As a special exception, if other files instantiate templates or use
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28 ## macros or inline functions from this file, or you compile this file
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29 ## and link it with other works to produce a work based on this file,
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30 ## this file does not by itself cause the resulting work to be covered by
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31 ## the GNU General Public License. However the source code for this file
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32 ## must still be made available in accordance with section (3) of the GNU
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33 ## General Public License v2.
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34 ##
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35 ## This exception does not invalidate any other reasons why a work based
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36 ## on this file might be covered by the GNU General Public License.
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37 ## -------------------------------------------
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38 ## ####ECOSGPLCOPYRIGHTEND####
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39 # ====================================================================
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40 ######DESCRIPTIONBEGIN####
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41 #
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42 # Author(s): jskov
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43 # Original data: hmt
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44 # Contributors:
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45 # Date: 1999-07-07
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46 #
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47 #####DESCRIPTIONEND####
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48 #
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49 # ====================================================================
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50
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51 cdl_option CYGNUM_UITRON_TASKS {
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52 display "Number of tasks"
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53 flavor data
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54 legal_values 1 to 65535
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55 default_value 4
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56 description "
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57 The number of uITRON tasks present in the system.
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58 Valid task object IDs will range from 1 to this value.
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59 When changing this option it is also necessary to change
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60 CYGDAT_UITRON_TASK_INITIALIZERS and possibly
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61 CYGDAT_UITRON_TASK_EXTERNS, giving all tasks a stack."
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62 }
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63 cdl_option CYGNUM_UITRON_START_TASKS {
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64 display "Start tasks"
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65 flavor data
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66 legal_values 0 to 65535
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67 default_value 1
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68 description "
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69 The number of uITRON tasks to start automatically.
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70 Tasks from 1 to this value will be started
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71 at the beginning of application execution.
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72 A value of zero here means to start them all.
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73 Tasks started in this way have a start code of
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74 zero, as if they were started by sta_tsk(i,0).
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75 If create and delete operations are supported,
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76 this number should be no greater than the number
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77 of tasks created initially."
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78 }
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79 cdl_component CYGPKG_UITRON_TASKS_CREATE_DELETE {
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80 display "Support create and delete"
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81 flavor bool
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82 default_value 1
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83 description "
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84 Support task create and delete operations (cre_tsk, del_tsk).
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85 Otherwise all tasks are created, up to the number specified above."
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86
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87 cdl_option CYGNUM_UITRON_TASKS_INITIALLY {
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88 display "Number of tasks created initially"
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89 flavor data
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90 legal_values 1 to 65535
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91 default_value 4
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92 description "
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93 The number of uITRON tasks initially created.
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94 This number should not be more than the number
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95 of tasks in the system, though setting it to a large
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96 value to mean 'all' is acceptable.
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97 Initially, only tasks numbered 1 to this number exist;
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98 higher numbered ones must be created before use."
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99 }
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100 }
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101 cdl_option CYGNUM_UITRON_STACK_SIZE {
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102 display "Default stack size"
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103 flavor data
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104 legal_values 128 to 0x7FFFFFFF
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105 default_value 2048
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106 description "
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107 Define a default stack size for uITRON tasks,
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108 for use in the initialization options below.
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109 This will be overridden where it is used if the
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110 architectural HAL requires a minimum stack size
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111 to handle interrupts correctly."
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112 }
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113 cdl_option CYGDAT_UITRON_TASK_EXTERNS {
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114 display "Externs for initialization"
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115 flavor data
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116 default_value {"extern \"C\" void task1( unsigned int ); \\\n\
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117 extern \"C\" void task2( unsigned int ); \\\n\
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118 extern \"C\" void task3( unsigned int ); \\\n\
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119 extern \"C\" void task4( unsigned int ); \\\n\
159
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120 static char stack1[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
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121 stack2[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
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122 stack3[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
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123 stack4[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ];"}
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124 description "
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125 Task initializers may refer to external objects
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126 such as memory for stack or functions to call.
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127 Use this option to define or declare any external
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128 objects needed by the task static initializer below.
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129 Example: create some memory for a stack using
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130 'static char stack1\[CYGNUM_UITRON_STACK_SIZE\];'
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131 to set up a chunk of memory of the default stack size.
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132 Note: this option is invoked in the 'outermost' context
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133 of C++ source, where global/static objects are created;
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134 it should contain valid, self-contained, C++ source."
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135 }
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136 cdl_option CYGDAT_UITRON_TASK_INITIALIZERS {
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137 display "Static initializers"
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138 flavor data
159
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139 default_value {"CYG_UIT_TASK( \"t1\", 1, task1, &stack1, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
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140 CYG_UIT_TASK( \"t2\", 2, task2, &stack2, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
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141 CYG_UIT_TASK( \"t3\", 3, task3, &stack3, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
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142 CYG_UIT_TASK( \"t4\", 4, task4, &stack4, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ),"}
76
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143 description "
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144 Tasks must be statically
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145 initialized: enter a list of initializers
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146 separated by commas, one per line.
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147 An initializer is
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148 'CYG_UIT_TASK(NAME,PRIO,FUNC,STACK,SIZE)'
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149 where name is a quoted string to name the task,
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150 prio is the initial priority of the task,
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151 func is the name of the entry point,
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152 stack is the address of the task's stack,
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153 and size is the size of the task's stack.
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154 When create and delete operations are supported,
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155 'CYG_UIT_TASK_NOEXS(NAME,STACK,SIZE)' should be
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156 used for tasks which are not initially created,
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157 in order to tell the system what memory to use
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158 for stacks when these tasks are created later on.
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159 Using 'CYGNUM_UITRON_STACK_SIZE' for size
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160 is recommended, to use the option defined above,
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161 so long as that truly is the size of your stack(s).
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162 Note: this option is invoked in the context of a
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163 C++ array initializer, between curly brackets.
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164 Ensure that the number of initializers here exactly
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165 matches the number of tasks specified."
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166 }