annotate Small_CPU/CPU2-RTE.ld @ 857:ba1aebc6d5af Evo_2_23

Developer feature debug warning: The debug warnings are only available to developers who activate the feature via compile switch. After that it is possible to define a condition and a content of a warning which will be shown if a special situation occure (visualized in the main view as already done for other warnings like ppo2). In the first implementation details regarding the error state of the DiveO2 will be shown in case the sensor reports a problem. Feel free to change the implementation in case you want to observe another behavior.
author Ideenmodellierer
date Sun, 05 May 2024 17:27:28 +0200
parents aa286a4926c2
children
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1 /* ---------------------------------------------------------------------------- */
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2 /* Em::Blocks embedded development Support */
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3 /* ---------------------------------------------------------------------------- */
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4 /* Copyright (c) 2014, EmBlocks */
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5 /* */
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6 /* All rights reserved. */
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7 /* */
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8 /* Redistribution and use in source and binary forms, with or without */
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9 /* modification, are permitted provided that the following condition is met: */
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10 /* */
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11 /* - Redistributions of source code must retain the above copyright notice, */
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12 /* this list of conditions and the disclaimer below. */
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13 /* */
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14 /* EmBlocks's name may not be used to endorse or promote products derived from */
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15 /* this software without specific prior written permission. */
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16 /* */
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17 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY EBLOCKS "AS IS" AND ANY EXPRESS OR */
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18 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
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19 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */
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20 /* DISCLAIMED. IN NO EVENT SHALL EMBLOCKS BE LIABLE FOR ANY DIRECT, INDIRECT, */
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21 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
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22 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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23 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
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24 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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25 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
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26 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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27 /* ---------------------------------------------------------------------------- */
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28
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29 /*------------------------------------------------------------------------------
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30 * Linker script for running in internal FLASH on the STM32F401RE
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31 *----------------------------------------------------------------------------*/
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32
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33 /* Entry Point */
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34 ENTRY(Reset_Handler)
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35
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36 OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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37 OUTPUT_ARCH(arm)
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38 SEARCH_DIR(.)
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39
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40 /* Memory Spaces Definitions */
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41 MEMORY
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42 {
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43 ROM (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* 80000 */
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44 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
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45 }
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46 /* Linker script to place sections and symbol values. Should be used together
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47 * with other linker script that defines memory regions FLASH and RAM.
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48 * It references following symbols, which must be defined in code:
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49 * Reset_Handler : Entry of reset handler
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50 *
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51 * It defines following symbols, which code can use without definition:
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52 * __exidx_start
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53 * __exidx_end
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54 * __etext
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55 * __data_start__
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56 * __preinit_array_start
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57 * __preinit_array_end
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58 * __init_array_start
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59 * __init_array_end
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60 * __fini_array_start
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61 * __fini_array_end
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62 * __data_end__
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63 * __bss_start__
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64 * __bss_end__
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65 * __end__
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66 * end
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67 * __HeapLimit
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68 * __StackLimit
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69 * __StackTop
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70 * __stack
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71 */
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72
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73
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74 SECTIONS
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75 {
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76 .isr_vector 0x08000000 :
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77 {
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78 . = ALIGN(4);
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79 KEEP( *(.isr_vector) )
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80 KEEP(*(.init))
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81 KEEP(*(.fini))
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82 } >ROM
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83
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84 /* Place FirmwareData at absolute address */
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85 .firmware_data 0x08005000:
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86 {
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87 cpu2_FirmwareData = 0;
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88 KEEP( *(.firmware_data) )
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89 } > ROM
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90
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91 .text 0x08005100 :
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92 {
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93 . = ALIGN(4);
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94 *(.text) /* .text sections (code) */
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95 *(.text*)
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96 *(.eh_frame*)
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97 . = ALIGN(4);
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98
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99 } > ROM
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100
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101 /********************** Constant data into ROM memory *********************/
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102 .rodata :
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103 {
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104 . = ALIGN(4);
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105 *(.rodata) /* .rodata sections (constants, strings, etc.) */
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106 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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107 . = ALIGN(4);
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108 } >ROM
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109
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110 .ARM.extab :
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111 {
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112 *(.ARM.extab* .gnu.linkonce.armextab.*)
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113 } > ROM
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114
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115 __exidx_start = .;
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116 .ARM.exidx :
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117 {
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118 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
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119 } > ROM
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120 __exidx_end = .;
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121
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122 .preinit_array :
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123 {
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124 . = ALIGN(4);
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125 PROVIDE_HIDDEN( __preinit_array_start = . );
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126 KEEP( *(.preinit_array*) )
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127 PROVIDE_HIDDEN( __preinit_array_end = . );
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128 . = ALIGN(4);
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129 } >ROM
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130
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131 .init_array :
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132 {
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133 . = ALIGN(4);
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134 PROVIDE_HIDDEN( __init_array_start = . );
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135 KEEP( *(SORT(.init_array.*)) )
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136 KEEP( *(.init_array*) )
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137 PROVIDE_HIDDEN( __init_array_end = . );
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138 . = ALIGN(4);
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139 } >ROM
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140
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141 .fini_array :
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142 {
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143 . = ALIGN(4);
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144 PROVIDE_HIDDEN( __fini_array_start = . );
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145 KEEP( *(SORT(.fini_array.*)) )
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146 KEEP( *(.fini_array*) )
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147 PROVIDE_HIDDEN( __fini_array_end = . );
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148 . = ALIGN(4);
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149
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150 __etext = .; /* define a global symbols at end of code */
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151 } >ROM
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152
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153 /* Used by the startup to initialize data */
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154 _sidata = LOADADDR(.data);
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155
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156 .data :
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157 {
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158 . = ALIGN(4);
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159 __data_start__ = .;
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160 _sdata = .; /* create a global symbol at data start */
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161 *(.data) /* .data sections */
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162 *(.data*)
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163 *(vtable)
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164 . = ALIGN(4);
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165 /* All data end */
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166 __data_end__ = .;
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167 } >RAM AT>ROM
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168
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169 .bss :
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170 {
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171 __bss_start__ = .;
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172 *(.bss*)
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173 *(COMMON)
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174 __bss_end__ = .;
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175 } >RAM
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176
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177 .heap :
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178 {
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179 __end__ = .;
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180 end = __end__;
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181 *(.heap*)
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182 __HeapLimit = .;
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183 } > RAM
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184
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185 /* .noinit section contains data which will not be change during startup */
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186 .noinit :
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187 {
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188 . = ALIGN(4);
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189 *(.noinit*)
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190 _end = . ;
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191 } > RAM
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192
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193 /* .stack_dummy section doesn't contains any symbols. It is only
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194 * used for linker to calculate size of stack sections, and assign
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195 * values to stack symbols later */
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196 .stack_dummy :
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197 {
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198 *(.stack)
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199 } > RAM
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200
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201 /* Set stack top to end of RAM, and stack limit move down by
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202 * size of stack_dummy section */
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203 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
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204 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
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205 PROVIDE(__stack = __StackTop);
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206
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207 /* Check if data + heap + stack exceeds RAM limit */
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208 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
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209 }