STM32F417IG_FLASH.ld 5.2 KB

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  1. /*
  2. *****************************************************************************
  3. **
  4. ** File : stm32_flash.ld
  5. **
  6. ** Abstract : Linker script for STM32F417IG Device with
  7. ** 1024KByte FLASH, 128KByte RAM
  8. **
  9. ** Set heap size, stack size and stack location according
  10. ** to application requirements.
  11. **
  12. ** Set memory bank area and size if external memory is used.
  13. **
  14. ** Target : STMicroelectronics STM32
  15. **
  16. ** Environment : Atollic TrueSTUDIO(R)
  17. **
  18. ** Distribution: The file is distributed “as is,” without any warranty
  19. ** of any kind.
  20. **
  21. ** (c)Copyright Atollic AB.
  22. ** You may use this file as-is or modify it according to the needs of your
  23. ** project. This file may only be built (assembled or compiled and linked)
  24. ** using the Atollic TrueSTUDIO(R) product. The use of this file together
  25. ** with other tools than Atollic TrueSTUDIO(R) is not permitted.
  26. **
  27. *****************************************************************************
  28. */
  29. /* Entry Point */
  30. ENTRY(Reset_Handler)
  31. /* Highest address of the user mode stack */
  32. _estack = 0x2001FFFF; /* end of 128K RAM */
  33. /* Generate a link error if heap and stack don't fit into RAM */
  34. _Min_Heap_Size = 0x200; /* required amount of heap */
  35. _Min_Stack_Size = 0x400; /* required amount of stack */
  36. /* Specify the memory areas */
  37. MEMORY
  38. {
  39. FLASH (rx) : ORIGIN = 0x08008000, LENGTH = 992K
  40. RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
  41. MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
  42. CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K
  43. }
  44. /* Define output sections */
  45. SECTIONS
  46. {
  47. /* The startup code goes first into FLASH */
  48. .isr_vector :
  49. {
  50. . = ALIGN(4);
  51. KEEP(*(.isr_vector)) /* Startup code */
  52. . = ALIGN(4);
  53. } >FLASH
  54. /* The program code and other data goes into FLASH */
  55. .text :
  56. {
  57. . = ALIGN(4);
  58. *(.text) /* .text sections (code) */
  59. *(.text*) /* .text* sections (code) */
  60. *(.glue_7) /* glue arm to thumb code */
  61. *(.glue_7t) /* glue thumb to arm code */
  62. *(.eh_frame)
  63. KEEP (*(.init))
  64. KEEP (*(.fini))
  65. . = ALIGN(4);
  66. _etext = .; /* define a global symbols at end of code */
  67. } >FLASH
  68. /* Constant data goes into FLASH */
  69. .rodata :
  70. {
  71. . = ALIGN(4);
  72. *(.rodata) /* .rodata sections (constants, strings, etc.) */
  73. *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
  74. . = ALIGN(4);
  75. } >FLASH
  76. .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
  77. .ARM : {
  78. __exidx_start = .;
  79. *(.ARM.exidx*)
  80. __exidx_end = .;
  81. } >FLASH
  82. .preinit_array :
  83. {
  84. PROVIDE_HIDDEN (__preinit_array_start = .);
  85. KEEP (*(.preinit_array*))
  86. PROVIDE_HIDDEN (__preinit_array_end = .);
  87. } >FLASH
  88. .init_array :
  89. {
  90. PROVIDE_HIDDEN (__init_array_start = .);
  91. KEEP (*(SORT(.init_array.*)))
  92. KEEP (*(.init_array*))
  93. PROVIDE_HIDDEN (__init_array_end = .);
  94. } >FLASH
  95. .fini_array :
  96. {
  97. PROVIDE_HIDDEN (__fini_array_start = .);
  98. KEEP (*(SORT(.fini_array.*)))
  99. KEEP (*(.fini_array*))
  100. PROVIDE_HIDDEN (__fini_array_end = .);
  101. } >FLASH
  102. /* used by the startup to initialize data */
  103. _sidata = LOADADDR(.data);
  104. /* Initialized data sections goes into RAM, load LMA copy after code */
  105. .data :
  106. {
  107. . = ALIGN(4);
  108. _sdata = .; /* create a global symbol at data start */
  109. *(.data) /* .data sections */
  110. *(.data*) /* .data* sections */
  111. . = ALIGN(4);
  112. _edata = .; /* define a global symbol at data end */
  113. } >RAM AT> FLASH
  114. _siccmram = LOADADDR(.ccmram);
  115. /* CCM-RAM section
  116. *
  117. * IMPORTANT NOTE!
  118. * If initialized variables will be placed in this section,
  119. * the startup code needs to be modified to copy the init-values.
  120. */
  121. .ccmram :
  122. {
  123. . = ALIGN(4);
  124. _sccmram = .; /* create a global symbol at ccmram start */
  125. *(.ccmram)
  126. *(.ccmram*)
  127. . = ALIGN(4);
  128. _eccmram = .; /* create a global symbol at ccmram end */
  129. } >CCMRAM AT> FLASH
  130. /* Uninitialized data section */
  131. . = ALIGN(4);
  132. .bss :
  133. {
  134. /* This is used by the startup in order to initialize the .bss secion */
  135. _sbss = .; /* define a global symbol at bss start */
  136. __bss_start__ = _sbss;
  137. *(.bss)
  138. *(.bss*)
  139. *(COMMON)
  140. . = ALIGN(4);
  141. _ebss = .; /* define a global symbol at bss end */
  142. __bss_end__ = _ebss;
  143. } >RAM
  144. /* User_heap_stack section, used to check that there is enough RAM left */
  145. ._user_heap_stack :
  146. {
  147. . = ALIGN(4);
  148. PROVIDE ( end = . );
  149. PROVIDE ( _end = . );
  150. . = . + _Min_Heap_Size;
  151. . = . + _Min_Stack_Size;
  152. . = ALIGN(4);
  153. } >RAM
  154. /* MEMORY_bank1 section, code must be located here explicitly */
  155. /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
  156. .memory_b1_text :
  157. {
  158. *(.mb1text) /* .mb1text sections (code) */
  159. *(.mb1text*) /* .mb1text* sections (code) */
  160. *(.mb1rodata) /* read-only data (constants) */
  161. *(.mb1rodata*)
  162. } >MEMORY_B1
  163. /* Remove information from the standard libraries */
  164. /DISCARD/ :
  165. {
  166. libc.a ( * )
  167. libm.a ( * )
  168. libgcc.a ( * )
  169. }
  170. .ARM.attributes 0 : { *(.ARM.attributes) }
  171. }