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annotate packages/kernel/current/cdl/kernel.cdl @ 661:8db735631ddb

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* cdl/kernel.cdl: Update doc links. * cdl/synch.cdl: Ditto. * cdl/thread.cdl: Ditto.
author jlarmour
date Mon, 24 Feb 2003 14:06:54 +0000
parents fddb77989fbb
children e8b69d9c90a6
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1 # ====================================================================
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2 #
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3 # kernel.cdl
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4 #
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5 # eCos kernel configuration data
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6 #
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7 # ====================================================================
208
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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 Red Hat, 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 version.
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16 ##
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17 ## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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18 ## WARRANTY; without even the implied warranty of MERCHANTABILITY or
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19 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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20 ## for more details.
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21 ##
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22 ## You should have received a copy of the GNU General Public License along
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23 ## with eCos; if not, write to the Free Software Foundation, Inc.,
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24 ## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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25 ##
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26 ## As a special exception, if other files instantiate templates or use macros
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27 ## or inline functions from this file, or you compile this file and link it
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28 ## with other works to produce a work based on this file, this file does not
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29 ## by itself cause the resulting work to be covered by the GNU General Public
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30 ## License. However the source code for this file must still be made available
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31 ## in accordance with section (3) of the GNU General Public License.
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32 ##
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33 ## This exception does not invalidate any other reasons why a work based on
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34 ## this file might be covered by the GNU General Public License.
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35 ##
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36 ## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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37 ## at http://sources.redhat.com/ecos/ecos-license/
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38 ## -------------------------------------------
208
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39 #####ECOSGPLCOPYRIGHTEND####
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40 # ====================================================================
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41 ######DESCRIPTIONBEGIN####
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42 #
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43 # Author(s): bartv
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44 # Original data: nickg
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45 # Contributors:
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46 # Date: 1999-06-13
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47 #
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48 #####DESCRIPTIONEND####
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49 #
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50 # ====================================================================
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51
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52 cdl_package CYGPKG_KERNEL {
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53 display "eCos kernel"
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54 doc ref/kernel.html
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55 include_dir cyg/kernel
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56 description "
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57 This package contains the core functionality of the eCos
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58 kernel. It relies on functionality provided by various HAL
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59 packages and by the eCos infrastructure. In turn the eCos
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60 kernel provides support for other packages such as the device
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61 drivers and the uITRON compatibility layer."
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62 # FIXME: The compile statement should be split up and integrated as
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63 # part of the components - so files only get comiled when they
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64 # will actually be used.
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65 compile common/clock.cxx common/timer.cxx common/kapi.cxx \
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66 common/thread.cxx common/except.cxx \
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67 intr/intr.cxx \
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68 sched/bitmap.cxx sched/lottery.cxx sched/mlqueue.cxx \
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69 sched/sched.cxx \
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70 sync/bin_sem.cxx sync/cnt_sem.cxx sync/flag.cxx \
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71 sync/cnt_sem2.cxx sync/mbox.cxx sync/mutex.cxx \
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72 debug/dbg-thread-demux.c
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73
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74 # ---------------------------------------------------------------------
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75 # The first component within the kernel is related to interrupt
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76 # handling.
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77 cdl_component CYGPKG_KERNEL_INTERRUPTS {
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78 display "Kernel interrupt handling"
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79 flavor none
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80 doc ref/kernel-interrupts.html
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81 description "
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82 The majority of configuration options related to interrupt
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83 handling are in the HAL packages, since usually the code has
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84 to be platform-specific. There are a number of options
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85 provided within the kernel related to slightly higher-level
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86 concepts, for example Delayed Service Routines."
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87
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88 script interrupts.cdl
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89 }
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90
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91 # ---------------------------------------------------------------------
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92 # Exceptions. Currently there are only two options. The first
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93 # determines whether or not exceptions are enabled at all. The
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94 # second controls whether they apply globally or on a per-thread
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95 # basis. There should probably be more options, but the boundary
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96 # between the HAL and kernel becomes blurred.
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97 cdl_component CYGPKG_KERNEL_EXCEPTIONS {
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98 display "Exception handling"
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99 requires CYGPKG_HAL_EXCEPTIONS
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100 default_value 1
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101 doc ref/kernel-exceptions.html
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102 description "
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103 In the context of the eCos kernel exceptions are unexpected
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104 events detected by the hardware, for example an attempt to
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105 execute an illegal instruction. There is no relation with
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106 other forms of exception, for example the catch and throw
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107 facilities of languages like C++. It is possible to disable
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108 all support for exceptions and thus save some memory."
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109
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110 cdl_option CYGSEM_KERNEL_EXCEPTIONS_DECODE {
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111 display "Decode exception types in kernel"
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112 default_value 0
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113 description "
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114 On targets where several different types of exception are
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115 possible, for example executing an illegal instruction and
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116 division by zero, it is possible for the kernel to do some
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117 decoding of the exception type and deliver the different
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118 types of exception to different handlers in the application
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119 code. Alternatively the kernel can simply pass all
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120 exceptions directly to application code, leaving the
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121 decoding to be done by the application"
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122 }
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123
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124 cdl_option CYGSEM_KERNEL_EXCEPTIONS_GLOBAL {
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125 display "Use global exception handlers"
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126 default_value 1
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127 description "
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128 In the context of the eCos kernel exceptions are
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129 unexpected events detected by the hardware, for
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130 example an attempt to execute an illegal
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131 instruction. If the kernel is configured
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132 to support exceptions then two implementations are
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133 possible. The default implementation involves a single set
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134 of exception handlers that are in use for the entire
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135 system. The alternative implementation allows different
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136 exception handlers to be specified for each thread."
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137 }
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138 }
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139
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140 # ---------------------------------------------------------------------
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141 cdl_component CYGPKG_KERNEL_SCHED {
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142 display "Kernel schedulers"
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143 flavor none
661
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144 doc ref/kernel-overview.html#KERNEL-OVERVIEW-SCHEDULERS
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145 description "
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146 The eCos kernel provides a choice of schedulers. In addition
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147 there are a number of configuration options to control the
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148 detailed behaviour of these schedulers."
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149
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150 script scheduler.cdl
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151 }
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152
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153 # ---------------------------------------------------------------------
177
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154 # SMP support
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155
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156 cdl_component CYGPKG_KERNEL_SMP_SUPPORT {
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157 display "SMP support"
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158 flavor bool
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159 requires CYGPKG_HAL_SMP_SUPPORT
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160 default_value 0
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161 }
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162
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163 # ---------------------------------------------------------------------
76
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164 cdl_component CYGPKG_KERNEL_COUNTERS {
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165 display "Counters and clocks"
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166 flavor none
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167 doc ref/kernel-counters.html
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168 description "
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169 The counter objects provided by the kernel provide an
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170 abstraction of the clock facility that is generally provided.
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171 Application code can associate alarms with counters, where an
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172 alarm is identified by the number of ticks until it triggers,
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173 the action to be taken on triggering, and whether or not the
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174 alarm should be repeated."
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175
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176 script counters.cdl
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177 }
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178
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179 # ---------------------------------------------------------------------
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180 cdl_component CYGPKG_KERNEL_THREADS {
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181 display "Thread-related options"
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182 flavor none
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183 description "
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184 There are a number of configuration options related to the
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185 implementation of threads, for example whether or not the
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186 eCos kernel supports per-thread data."
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187
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188 script thread.cdl
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189 }
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190
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191 # ---------------------------------------------------------------------
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192 cdl_component CYGPKG_KERNEL_SYNCH {
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193 display "Synchronization primitives"
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194 flavor none
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195 description "
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196 The eCos kernel supports a number of different
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197 synchronization primitives such as mutexes, semaphores,
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198 condition variables, and message boxes. There are
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199 configuration options to control the exact behaviour of some
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200 of these synchronization primitives."
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201
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202 script synch.cdl
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203 }
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204
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205 # ---------------------------------------------------------------------
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206 cdl_component CYGPKG_KERNEL_INSTRUMENT {
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207 display "Kernel instrumentation"
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208 flavor bool
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209 default_value 0
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210 description "
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211 The current release of the kernel contains an initial version
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212 of instrumentation support. The various parts of the kernel
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213 will invoke instrumentation routines whenever appropriate
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214 events occur, and these will be stored in a circular buffer
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215 for later reference."
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216
182
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217 compile instrmnt/meminst.cxx
76
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218 script instrument.cdl
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219 }
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220
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221 #===================================================================
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222 # Options related to source-level debugging and diagnostics.
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223 cdl_component CYGPKG_KERNEL_DEBUG {
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224 display "Source-level debugging support"
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225 flavor none
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226 description "
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227 If the source level debugger gdb is to be used for debugging
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228 application code then it may be necessary to configure in support
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229 for this in the kernel."
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230
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231 # NOTE: does this require any other support ?
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232 cdl_option CYGDBG_KERNEL_DEBUG_GDB_THREAD_SUPPORT {
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233 display "Include GDB multi-threading debug support"
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234 requires CYGVAR_KERNEL_THREADS_LIST
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235 requires CYGDBG_HAL_DEBUG_GDB_THREAD_SUPPORT
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236 default_value 1
156
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237 compile debug/dbg_gdb.cxx
76
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238 description "
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239 This option enables some extra kernel code which is needed
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240 to support multi-threaded source level debugging."
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241 }
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242 }
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243
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244 # ---------------------------------------------------------------------
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245 # Kernel API's. The C++ one is the default. A C API is optional.
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246 # Support for other languages is possible.
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247 cdl_component CYGPKG_KERNEL_API {
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248 display "Kernel APIs"
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249 flavor none
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250 description "
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251 The eCos kernel is implemented in C++, so a C++ interface
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252 to the kernel is always available. There is also an optional
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253 C API. Additional API's may be provided in future versions."
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254
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255 cdl_option CYGFUN_KERNEL_API_C {
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256 display "Provide C API"
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257 default_value 1
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258 description "
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259 The eCos kernel is implemented in C++, but there is an
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260 optional C API for use by application code. This C API can be
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261 disabled if the application code does not invoke the kernel
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262 directly, but instead uses higher level code such as the
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263 uITRON compatibility layer."
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264 }
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265 }
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266
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267 define_proc {
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268 puts $::cdl_header "/***** proc output start *****/"
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269
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270 # Clients of pkgconf/kernel.h expects system.h to be included.
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271 puts $::cdl_header "#include <pkgconf/system.h>"
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272 # FIXME: Some clients may rely on hal.h and infra.h being included.
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273 # This should go away when any such client has been fixed.
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274 puts $::cdl_header "#include <pkgconf/hal.h>"
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275 puts $::cdl_header "#include <pkgconf/infra.h>"
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276
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277 # Include HAL/Platform specifics
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278 puts $::cdl_header "#include CYGBLD_HAL_PLATFORM_H"
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279 # Fallback defaults (in case HAL didn't define these)
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280 puts $::cdl_header "#ifndef CYGNUM_HAL_RTC_NUMERATOR"
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281 puts $::cdl_header "# define CYGNUM_HAL_RTC_NUMERATOR 1000000000"
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282 puts $::cdl_header "# define CYGNUM_HAL_RTC_DENOMINATOR 100"
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283 puts $::cdl_header "# define CYGNUM_HAL_RTC_PERIOD 9999"
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284 puts $::cdl_header "#endif"
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285
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286 puts $::cdl_header "/***** proc output end *****/"
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287 }
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288
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289 cdl_component CYGPKG_KERNEL_OPTIONS {
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290 display "Kernel build options"
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291 flavor none
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292 description "
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293 Package specific build options including control over
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294 compiler flags used only in building this package,
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295 and details of which tests are built."
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296
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297
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298 cdl_option CYGPKG_KERNEL_CFLAGS_ADD {
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299 display "Additional compiler flags"
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300 flavor data
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301 no_define
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302 default_value { "" }
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303 description "
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304 This option modifies the set of compiler flags for
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305 building the eCos kernel. These flags are used in addition
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306 to the set of global flags."
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307 }
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308
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309 cdl_option CYGPKG_KERNEL_CFLAGS_REMOVE {
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310 display "Suppressed compiler flags"
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311 flavor data
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312 no_define
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313 default_value { "" }
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314 description "
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315 This option modifies the set of compiler flags for
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316 building the eCos kernel. These flags are removed from
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317 the set of global flags if present."
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318 }
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319
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320 cdl_option CYGPKG_KERNEL_TESTS {
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321 display "Kernel tests"
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322 flavor data
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323 no_define
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324 calculated {
210
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325 "tests/bin_sem0 tests/bin_sem1 tests/bin_sem2 tests/clock0 tests/clock1 tests/clockcnv tests/clocktruth tests/cnt_sem0 tests/cnt_sem1 tests/except1 tests/flag0 tests/flag1 tests/intr0 tests/kill tests/mbox1 tests/mqueue1 tests/mutex0 tests/mutex1 tests/mutex2 tests/mutex3 tests/release tests/sched1 tests/sync2 tests/sync3 tests/thread0 tests/thread1 tests/thread2"
552
fddb77989fbb * cdl/kernel.cdl:
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326 . ((CYGFUN_KERNEL_API_C) ? " tests/kclock0 tests/kclock1 tests/kexcept1 tests/kflag0 tests/kflag1 tests/kintr0 tests/klock tests/kmbox1 tests/kmutex0 tests/kmutex1 tests/kmutex3 tests/kmutex4 tests/ksched1 tests/ksem0 tests/ksem1 tests/kthread0 tests/kthread1 tests/stress_threads tests/thread_gdb tests/timeslice tests/tm_basic tests/fptest" : "")
210
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327 . ((!CYGPKG_INFRA_DEBUG && !CYGPKG_KERNEL_INSTRUMENT && CYGFUN_KERNEL_API_C) ? " tests/dhrystone" : "")
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328 . ((CYGPKG_KERNEL_SMP_SUPPORT && CYGFUN_KERNEL_API_C) ? " tests/smp" : "")
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329 . ((!CYGINT_HAL_TESTS_NO_CACHES && CYGFUN_KERNEL_API_C) ? " tests/kcache1 tests/kcache2" : "")
76
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330 }
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331 description "
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332 This option specifies the set of tests for the eCos kernel."
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333 }
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334 }
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335 }
661
8db735631ddb * cdl/kernel.cdl: Update doc links.
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336
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337 # EOF kernel.cdl