flash.ld 3.6 KB

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  1. /****************************************************************************
  2. * configs/xmc4500-relax/scripts/flash.ld
  3. *
  4. * Copyright (C) 2017 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. /* The XMC4500 has 1024Kb of FLASH beginning at address 0x0800:0000 and
  36. * 64Kb of SRAM beginning at 0x2000:0000.
  37. *
  38. * When booting from FLASH, FLASH memory is aliased to address 0x0000:0000
  39. * where the code expects to begin execution by jumping to the entry point in
  40. * the 0x0800:0000 address
  41. * range.
  42. */
  43. MEMORY
  44. {
  45. flash (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
  46. sram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K
  47. }
  48. OUTPUT_ARCH(arm)
  49. ENTRY(_stext)
  50. SECTIONS
  51. {
  52. .text :
  53. {
  54. _stext = ABSOLUTE(.);
  55. *(.vectors)
  56. *(.text .text.*)
  57. *(.fixup)
  58. *(.gnu.warning)
  59. *(.rodata .rodata.*)
  60. *(.gnu.linkonce.t.*)
  61. *(.glue_7)
  62. *(.glue_7t)
  63. *(.got)
  64. *(.gcc_except_table)
  65. *(.gnu.linkonce.r.*)
  66. _etext = ABSOLUTE(.);
  67. } > flash
  68. .init_section :
  69. {
  70. _sinit = ABSOLUTE(.);
  71. *(.init_array .init_array.*)
  72. _einit = ABSOLUTE(.);
  73. } > flash
  74. .ARM.extab :
  75. {
  76. *(.ARM.extab*)
  77. } > flash
  78. __exidx_start = ABSOLUTE(.);
  79. .ARM.exidx :
  80. {
  81. *(.ARM.exidx*)
  82. } > flash
  83. __exidx_end = ABSOLUTE(.);
  84. _eronly = ABSOLUTE(.);
  85. .data :
  86. {
  87. _sdata = ABSOLUTE(.);
  88. *(.data .data.*)
  89. *(.gnu.linkonce.d.*)
  90. CONSTRUCTORS
  91. _edata = ABSOLUTE(.);
  92. } > sram AT > flash
  93. .bss :
  94. {
  95. _sbss = ABSOLUTE(.);
  96. *(.bss .bss.*)
  97. *(.gnu.linkonce.b.*)
  98. *(COMMON)
  99. _ebss = ABSOLUTE(.);
  100. } > sram
  101. /* Global data not cleared after reset. */
  102. .noinit :
  103. {
  104. _snoinit = ABSOLUTE(.);
  105. *(.noinit*)
  106. _enoinit = ABSOLUTE(.);
  107. } > sram
  108. /* Stabs debugging sections. */
  109. .stab 0 : { *(.stab) }
  110. .stabstr 0 : { *(.stabstr) }
  111. .stab.excl 0 : { *(.stab.excl) }
  112. .stab.exclstr 0 : { *(.stab.exclstr) }
  113. .stab.index 0 : { *(.stab.index) }
  114. .stab.indexstr 0 : { *(.stab.indexstr) }
  115. .comment 0 : { *(.comment) }
  116. .debug_abbrev 0 : { *(.debug_abbrev) }
  117. .debug_info 0 : { *(.debug_info) }
  118. .debug_line 0 : { *(.debug_line) }
  119. .debug_pubnames 0 : { *(.debug_pubnames) }
  120. .debug_aranges 0 : { *(.debug_aranges) }
  121. }