u-boot.lds.S 2.9 KB

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  1. /*
  2. * U-boot - u-boot.lds.S
  3. *
  4. * Copyright (c) 2005-2008 Analog Device Inc.
  5. *
  6. * (C) Copyright 2000-2004
  7. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  8. *
  9. * See file CREDITS for list of people who contributed to this
  10. * project.
  11. *
  12. * This program is free software; you can redistribute it and/or
  13. * modify it under the terms of the GNU General Public License as
  14. * published by the Free Software Foundation; either version 2 of
  15. * the License, or (at your option) any later version.
  16. *
  17. * This program is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * You should have received a copy of the GNU General Public License
  23. * along with this program; if not, write to the Free Software
  24. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  25. * MA 02111-1307 USA
  26. */
  27. #include <config.h>
  28. #include <asm/blackfin.h>
  29. #undef ALIGN
  30. #undef ENTRY
  31. #undef bfin
  32. #ifndef LDS_BOARD_TEXT
  33. # define LDS_BOARD_TEXT
  34. #endif
  35. /* If we don't actually load anything into L1 data, this will avoid
  36. * a syntax error. If we do actually load something into L1 data,
  37. * we'll get a linker memory load error (which is what we'd want).
  38. * This is here in the first place so we can quickly test building
  39. * for different CPU's which may lack non-cache L1 data.
  40. */
  41. #ifndef L1_DATA_B_SRAM
  42. # define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
  43. # define L1_DATA_B_SRAM_SIZE 0
  44. #endif
  45. /* The 0xC offset is so we don't clobber the tiny LDR jump block. */
  46. #ifdef CONFIG_BFIN_BOOTROM_USES_EVT1
  47. # define L1_CODE_ORIGIN L1_INST_SRAM
  48. #else
  49. # define L1_CODE_ORIGIN L1_INST_SRAM + 0xC
  50. #endif
  51. OUTPUT_ARCH(bfin)
  52. MEMORY
  53. {
  54. ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
  55. l1_code : ORIGIN = L1_CODE_ORIGIN, LENGTH = L1_INST_SRAM_SIZE
  56. l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
  57. }
  58. ENTRY(_start)
  59. SECTIONS
  60. {
  61. .text :
  62. {
  63. cpu/blackfin/start.o (.text .text.*)
  64. LDS_BOARD_TEXT
  65. __initcode_start = .;
  66. cpu/blackfin/initcode.o (.text .text.*)
  67. __initcode_end = .;
  68. *(.text .text.*)
  69. } >ram
  70. .rodata :
  71. {
  72. . = ALIGN(4);
  73. *(.rodata .rodata.*)
  74. *(.rodata1)
  75. *(.eh_frame)
  76. . = ALIGN(4);
  77. } >ram
  78. .data :
  79. {
  80. . = ALIGN(256);
  81. *(.data .data.*)
  82. *(.data1)
  83. *(.sdata)
  84. *(.sdata2)
  85. *(.dynamic)
  86. CONSTRUCTORS
  87. } >ram
  88. .u_boot_cmd :
  89. {
  90. ___u_boot_cmd_start = .;
  91. *(.u_boot_cmd)
  92. ___u_boot_cmd_end = .;
  93. } >ram
  94. .text_l1 :
  95. {
  96. . = ALIGN(4);
  97. __stext_l1 = .;
  98. *(.l1.text)
  99. . = ALIGN(4);
  100. __etext_l1 = .;
  101. } >l1_code AT>ram
  102. __stext_l1_lma = LOADADDR(.text_l1);
  103. .data_l1 :
  104. {
  105. . = ALIGN(4);
  106. __sdata_l1 = .;
  107. *(.l1.data)
  108. *(.l1.bss)
  109. . = ALIGN(4);
  110. __edata_l1 = .;
  111. } >l1_data AT>ram
  112. __sdata_l1_lma = LOADADDR(.data_l1);
  113. .bss :
  114. {
  115. . = ALIGN(4);
  116. __bss_start = .;
  117. *(.sbss) *(.scommon)
  118. *(.dynbss)
  119. *(.bss .bss.*)
  120. *(COMMON)
  121. __bss_end = .;
  122. } >ram
  123. }