u-boot.lds.S 3.3 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. /* If we don't actually load anything into L1 data, this will avoid
  33. * a syntax error. If we do actually load something into L1 data,
  34. * we'll get a linker memory load error (which is what we'd want).
  35. * This is here in the first place so we can quickly test building
  36. * for different CPU's which may lack non-cache L1 data.
  37. */
  38. #ifndef L1_DATA_B_SRAM
  39. # define L1_DATA_B_SRAM CONFIG_SYS_MONITOR_BASE
  40. # define L1_DATA_B_SRAM_SIZE 0
  41. #endif
  42. OUTPUT_ARCH(bfin)
  43. /* The 0xC offset is so we don't clobber the tiny LDR jump block. */
  44. MEMORY
  45. {
  46. ram : ORIGIN = CONFIG_SYS_MONITOR_BASE, LENGTH = CONFIG_SYS_MONITOR_LEN
  47. l1_code : ORIGIN = L1_INST_SRAM+0xC, LENGTH = L1_INST_SRAM_SIZE
  48. l1_data : ORIGIN = L1_DATA_B_SRAM, LENGTH = L1_DATA_B_SRAM_SIZE
  49. }
  50. ENTRY(_start)
  51. SECTIONS
  52. {
  53. .text :
  54. {
  55. cpu/blackfin/start.o (.text .text.*)
  56. #ifdef ENV_IS_EMBEDDED
  57. /* WARNING - the following is hand-optimized to fit within
  58. * the sector before the environment sector. If it throws
  59. * an error during compilation remove an object here to get
  60. * it linked after the configuration sector.
  61. */
  62. cpu/blackfin/traps.o (.text .text.*)
  63. cpu/blackfin/interrupt.o (.text .text.*)
  64. cpu/blackfin/serial.o (.text .text.*)
  65. common/dlmalloc.o (.text .text.*)
  66. lib_generic/crc32.o (.text .text.*)
  67. lib_generic/zlib.o (.text .text.*)
  68. board/bf561-ezkit/bf561-ezkit.o (.text .text.*)
  69. . = DEFINED(env_offset) ? env_offset : .;
  70. common/env_embedded.o (.text .text.*)
  71. #endif
  72. __initcode_start = .;
  73. cpu/blackfin/initcode.o (.text .text.*)
  74. __initcode_end = .;
  75. *(.text .text.*)
  76. } >ram
  77. .rodata :
  78. {
  79. . = ALIGN(4);
  80. *(.rodata .rodata.*)
  81. *(.rodata1)
  82. *(.eh_frame)
  83. . = ALIGN(4);
  84. } >ram
  85. .data :
  86. {
  87. . = ALIGN(256);
  88. *(.data .data.*)
  89. *(.data1)
  90. *(.sdata)
  91. *(.sdata2)
  92. *(.dynamic)
  93. CONSTRUCTORS
  94. } >ram
  95. .u_boot_cmd :
  96. {
  97. ___u_boot_cmd_start = .;
  98. *(.u_boot_cmd)
  99. ___u_boot_cmd_end = .;
  100. } >ram
  101. .text_l1 :
  102. {
  103. . = ALIGN(4);
  104. __stext_l1 = .;
  105. *(.l1.text)
  106. . = ALIGN(4);
  107. __etext_l1 = .;
  108. } >l1_code AT>ram
  109. __stext_l1_lma = LOADADDR(.text_l1);
  110. .data_l1 :
  111. {
  112. . = ALIGN(4);
  113. __sdata_l1 = .;
  114. *(.l1.data)
  115. *(.l1.bss)
  116. . = ALIGN(4);
  117. __edata_l1 = .;
  118. } >l1_data AT>ram
  119. __sdata_l1_lma = LOADADDR(.data_l1);
  120. .bss :
  121. {
  122. . = ALIGN(4);
  123. __bss_start = .;
  124. *(.sbss) *(.scommon)
  125. *(.dynbss)
  126. *(.bss .bss.*)
  127. *(COMMON)
  128. __bss_end = .;
  129. } >ram
  130. }