1 # ====================================================================
5 # uITRON task related configuration data
7 # ====================================================================
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40 # ====================================================================
41 ######DESCRIPTIONBEGIN####
48 #####DESCRIPTIONEND####
50 # ====================================================================
52 cdl_option CYGNUM_UITRON_TASKS {
53 display "Number of tasks"
55 legal_values 1 to 65535
58 The number of uITRON tasks present in the system.
59 Valid task object IDs will range from 1 to this value."
61 cdl_option CYGNUM_UITRON_START_TASKS {
64 legal_values 0 to 65535
67 The number of uITRON tasks to start automatically.
68 Tasks from 1 to this value will be started
69 at the beginning of application execution.
70 A value of zero here means to start them all.
71 Tasks started in this way have a start code of
72 zero, as if they were started by sta_tsk(i,0).
73 If create and delete operations are supported,
74 this number should be no greater than the number
75 of tasks created initially."
77 cdl_component CYGPKG_UITRON_TASKS_CREATE_DELETE {
78 display "Support create and delete"
82 Support task create and delete operations (cre_tsk, del_tsk).
83 Otherwise all tasks are created, up to the number specified above."
85 cdl_option CYGNUM_UITRON_TASKS_INITIALLY {
86 display "Number of tasks created initially"
88 legal_values 1 to 65535
91 The number of uITRON tasks initially created.
92 This number should not be more than the number
93 of tasks in the system, though setting it to a large
94 value to mean 'all' is acceptable.
95 Initially, only tasks numbered 1 to this number exist;
96 higher numbered ones must be created before use."
99 cdl_option CYGNUM_UITRON_STACK_SIZE {
100 display "Default stack size"
102 legal_values 128 to 0x7FFFFFFF
105 Define a default stack size for uITRON tasks,
106 for use in the initialization options below.
107 This will be overridden where it is used if the
108 architectural HAL requires a minimum stack size
109 to handle interrupts correctly."
111 cdl_option CYGDAT_UITRON_TASK_EXTERNS {
112 display "Externs for initialization"
114 default_value {"extern \"C\" void task1( unsigned int ); \\\n\
115 extern \"C\" void task2( unsigned int ); \\\n\
116 extern \"C\" void task3( unsigned int ); \\\n\
117 extern \"C\" void task4( unsigned int ); \\\n\
118 static char stack1[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
119 stack2[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
120 stack3[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ], \\\n\
121 stack4[ MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ];"}
123 Task initializers may refer to external objects
124 such as memory for stack or functions to call.
125 Use this option to define or declare any external
126 objects needed by the task static initializer below.
127 Example: create some memory for a stack using
128 'static char stack1\[CYGNUM_UITRON_STACK_SIZE\];'
129 to set up a chunk of memory of the default stack size.
130 Note: this option is invoked in the 'outermost' context
131 of C++ source, where global/static objects are created;
132 it should contain valid, self-contained, C++ source."
134 cdl_option CYGDAT_UITRON_TASK_INITIALIZERS {
135 display "Static initializers"
137 default_value {"CYG_UIT_TASK( \"t1\", 1, task1, &stack1, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
138 CYG_UIT_TASK( \"t2\", 2, task2, &stack2, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
139 CYG_UIT_TASK( \"t3\", 3, task3, &stack3, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ), \\\n\
140 CYG_UIT_TASK( \"t4\", 4, task4, &stack4, MAX(CYGNUM_UITRON_STACK_SIZE, CYGNUM_HAL_STACK_SIZE_MINIMUM) ),"}
142 Tasks must be statically
143 initialized: enter a list of initializers
144 separated by commas, one per line.
146 'CYG_UIT_TASK(NAME,PRIO,FUNC,STACK,SIZE)'
147 where name is a quoted string to name the task,
148 prio is the initial priority of the task,
149 func is the name of the entry point,
150 stack is the address of the task's stack,
151 and size is the size of the task's stack.
152 When create and delete operations are supported,
153 'CYG_UIT_TASK_NOEXS(NAME,STACK,SIZE)' should be
154 used for tasks which are not initially created,
155 in order to tell the system what memory to use
156 for stacks when these tasks are created later on.
157 Using 'CYGNUM_UITRON_STACK_SIZE' for size
158 is recommended, to use the option defined above,
159 so long as that truly is the size of your stack(s).
160 Note: this option is invoked in the context of a
161 C++ array initializer, between curly brackets.
162 Ensure that the number of initializers here exactly
163 matches the number of tasks specified."