u-boot.lds 2.8 KB

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  1. /*
  2. * Copyright 2007-2009 Freescale Semiconductor, Inc.
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #ifndef RESET_VECTOR_ADDRESS
  23. #define RESET_VECTOR_ADDRESS 0xfffffffc
  24. #endif
  25. OUTPUT_ARCH(powerpc)
  26. PHDRS
  27. {
  28. text PT_LOAD;
  29. bss PT_LOAD;
  30. }
  31. SECTIONS
  32. {
  33. /* Read-only sections, merged into text segment: */
  34. . = + SIZEOF_HEADERS;
  35. .interp : { *(.interp) }
  36. .text :
  37. {
  38. *(.text*)
  39. } :text
  40. _etext = .;
  41. PROVIDE (etext = .);
  42. .rodata :
  43. {
  44. *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
  45. } :text
  46. /* Read-write section, merged into data segment: */
  47. . = (. + 0x00FF) & 0xFFFFFF00;
  48. _erotext = .;
  49. PROVIDE (erotext = .);
  50. .reloc :
  51. {
  52. _GOT2_TABLE_ = .;
  53. KEEP(*(.got2))
  54. KEEP(*(.got))
  55. PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
  56. _FIXUP_TABLE_ = .;
  57. KEEP(*(.fixup))
  58. }
  59. __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
  60. __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
  61. .data :
  62. {
  63. *(.data*)
  64. *(.sdata*)
  65. }
  66. _edata = .;
  67. PROVIDE (edata = .);
  68. . = .;
  69. __u_boot_cmd_start = .;
  70. .u_boot_cmd : { *(.u_boot_cmd) }
  71. __u_boot_cmd_end = .;
  72. . = .;
  73. __start___ex_table = .;
  74. __ex_table : { *(__ex_table) }
  75. __stop___ex_table = .;
  76. . = ALIGN(256);
  77. __init_begin = .;
  78. .text.init : { *(.text.init) }
  79. .data.init : { *(.data.init) }
  80. . = ALIGN(256);
  81. __init_end = .;
  82. .bootpg RESET_VECTOR_ADDRESS - 0xffc :
  83. {
  84. arch/powerpc/cpu/mpc85xx/start.o (.bootpg)
  85. } :text = 0xffff
  86. .resetvec RESET_VECTOR_ADDRESS :
  87. {
  88. KEEP(*(.resetvec))
  89. } :text = 0xffff
  90. . = RESET_VECTOR_ADDRESS + 0x4;
  91. /*
  92. * Make sure that the bss segment isn't linked at 0x0, otherwise its
  93. * address won't be updated during relocation fixups. Note that
  94. * this is a temporary fix. Code to dynamically the fixup the bss
  95. * location will be added in the future. When the bss relocation
  96. * fixup code is present this workaround should be removed.
  97. */
  98. #if (RESET_VECTOR_ADDRESS == 0xfffffffc)
  99. . |= 0x10;
  100. #endif
  101. __bss_start = .;
  102. .bss (NOLOAD) :
  103. {
  104. *(.sbss*)
  105. *(.bss*)
  106. *(COMMON)
  107. } :bss
  108. . = ALIGN(4);
  109. _end = . ;
  110. PROVIDE (end = .);
  111. }