flash-sram.ld 3.5 KB

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  1. /****************************************************************************
  2. * configs/samv71-xult/scripts/flash-sram.ld
  3. *
  4. * Copyright (C) 2015 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 SAMV71Q21 has 2048Kb of FLASH beginning at address 0x0040:0000 and
  36. * 384Kb of SRAM beginining at 0x2040:0000
  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 0x0400:0000 address range (Assuming that ITCM is not enable).
  41. */
  42. MEMORY
  43. {
  44. flash (rx) : ORIGIN = 0x00400000, LENGTH = 2048K
  45. sram (rwx) : ORIGIN = 0x20400000, LENGTH = 384K
  46. }
  47. OUTPUT_ARCH(arm)
  48. EXTERN(_vectors)
  49. ENTRY(_stext)
  50. SECTIONS
  51. {
  52. .text : {
  53. _stext = ABSOLUTE(.);
  54. *(.vectors)
  55. *(.text .text.*)
  56. *(.fixup)
  57. *(.gnu.warning)
  58. *(.rodata .rodata.*)
  59. *(.gnu.linkonce.t.*)
  60. *(.glue_7)
  61. *(.glue_7t)
  62. *(.got)
  63. *(.gcc_except_table)
  64. *(.gnu.linkonce.r.*)
  65. _etext = ABSOLUTE(.);
  66. } > flash
  67. .init_section : {
  68. _sinit = ABSOLUTE(.);
  69. *(.init_array .init_array.*)
  70. _einit = ABSOLUTE(.);
  71. } > flash
  72. .ARM.extab : {
  73. *(.ARM.extab*)
  74. } > flash
  75. __exidx_start = ABSOLUTE(.);
  76. .ARM.exidx : {
  77. *(.ARM.exidx*)
  78. } > flash
  79. __exidx_end = ABSOLUTE(.);
  80. _eronly = ABSOLUTE(.);
  81. .data : {
  82. _sdata = ABSOLUTE(.);
  83. *(.data .data.*)
  84. *(.gnu.linkonce.d.*)
  85. CONSTRUCTORS
  86. _edata = ABSOLUTE(.);
  87. } > sram AT > flash
  88. .bss : {
  89. _sbss = ABSOLUTE(.);
  90. *(.bss .bss.*)
  91. *(.gnu.linkonce.b.*)
  92. *(COMMON)
  93. _ebss = ABSOLUTE(.);
  94. } > sram
  95. /* Stabs debugging sections. */
  96. .stab 0 : { *(.stab) }
  97. .stabstr 0 : { *(.stabstr) }
  98. .stab.excl 0 : { *(.stab.excl) }
  99. .stab.exclstr 0 : { *(.stab.exclstr) }
  100. .stab.index 0 : { *(.stab.index) }
  101. .stab.indexstr 0 : { *(.stab.indexstr) }
  102. .comment 0 : { *(.comment) }
  103. .debug_abbrev 0 : { *(.debug_abbrev) }
  104. .debug_info 0 : { *(.debug_info) }
  105. .debug_line 0 : { *(.debug_line) }
  106. .debug_pubnames 0 : { *(.debug_pubnames) }
  107. .debug_aranges 0 : { *(.debug_aranges) }
  108. }