u-boot.lds 3.0 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. #include <config.h>
  26. OUTPUT_ARCH(powerpc)
  27. PHDRS
  28. {
  29. text PT_LOAD;
  30. bss PT_LOAD;
  31. }
  32. SECTIONS
  33. {
  34. /* Read-only sections, merged into text segment: */
  35. . = + SIZEOF_HEADERS;
  36. .interp : { *(.interp) }
  37. /* To simplify mass deployment, environment precedes the monitor text in the
  38. * same flash sector.
  39. */
  40. .ppcenv CONFIG_ENV_ADDR : { common/env_embedded.o (.ppcenv) }
  41. .text :
  42. {
  43. *(.text*)
  44. } :text
  45. _etext = .;
  46. PROVIDE (etext = .);
  47. .rodata :
  48. {
  49. *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
  50. } :text
  51. /* Read-write section, merged into data segment: */
  52. . = (. + 0x00FF) & 0xFFFFFF00;
  53. _erotext = .;
  54. PROVIDE (erotext = .);
  55. .reloc :
  56. {
  57. _GOT2_TABLE_ = .;
  58. KEEP(*(.got2))
  59. KEEP(*(.got))
  60. PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
  61. _FIXUP_TABLE_ = .;
  62. KEEP(*(.fixup))
  63. }
  64. __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
  65. __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
  66. .data :
  67. {
  68. *(.data*)
  69. *(.sdata*)
  70. }
  71. _edata = .;
  72. PROVIDE (edata = .);
  73. . = .;
  74. __u_boot_cmd_start = .;
  75. .u_boot_cmd : { *(.u_boot_cmd) }
  76. __u_boot_cmd_end = .;
  77. . = .;
  78. __start___ex_table = .;
  79. __ex_table : { *(__ex_table) }
  80. __stop___ex_table = .;
  81. . = ALIGN(256);
  82. __init_begin = .;
  83. .text.init : { *(.text.init) }
  84. .data.init : { *(.data.init) }
  85. . = ALIGN(256);
  86. __init_end = .;
  87. .bootpg RESET_VECTOR_ADDRESS - 0xffc :
  88. {
  89. arch/powerpc/cpu/mpc85xx/start.o (.bootpg)
  90. } :text = 0xffff
  91. .resetvec RESET_VECTOR_ADDRESS :
  92. {
  93. KEEP(*(.resetvec))
  94. } :text = 0xffff
  95. . = RESET_VECTOR_ADDRESS + 0x4;
  96. /*
  97. * Make sure that the bss segment isn't linked at 0x0, otherwise its
  98. * address won't be updated during relocation fixups. Note that
  99. * this is a temporary fix. Code to dynamically the fixup the bss
  100. * location will be added in the future. When the bss relocation
  101. * fixup code is present this workaround should be removed.
  102. */
  103. #if (RESET_VECTOR_ADDRESS == 0xfffffffc)
  104. . |= 0x10;
  105. #endif
  106. __bss_start = .;
  107. .bss (NOLOAD) :
  108. {
  109. *(.sbss*)
  110. *(.bss*)
  111. *(COMMON)
  112. } :bss
  113. . = ALIGN(4);
  114. _end = . ;
  115. PROVIDE (end = .);
  116. }