vmlinux.lds.S 2.6 KB

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  1. /* ld script to make the Linux/CRIS kernel
  2. * Authors: Bjorn Wesen (bjornw@axis.com)
  3. *
  4. * It is VERY DANGEROUS to fiddle around with the symbols in this
  5. * script. It is for example quite vital that all generated sections
  6. * that are used are actually named here, otherwise the linker will
  7. * put them at the end, where the init stuff is which is FREED after
  8. * the kernel has booted.
  9. */
  10. #include <asm-generic/vmlinux.lds.h>
  11. #include <asm/page.h>
  12. #ifdef CONFIG_ETRAX_VMEM_SIZE
  13. #define __CONFIG_ETRAX_VMEM_SIZE CONFIG_ETRAX_VMEM_SIZE
  14. #else
  15. #define __CONFIG_ETRAX_VMEM_SIZE 0
  16. #endif
  17. jiffies = jiffies_64;
  18. SECTIONS
  19. {
  20. . = DRAM_VIRTUAL_BASE;
  21. dram_start = .;
  22. #ifdef CONFIG_ETRAX_ARCH_V10
  23. ibr_start = .;
  24. #else
  25. ebp_start = .;
  26. /* The boot section is only necessary until the VCS top */
  27. /* level testbench includes both flash and DRAM. */
  28. .boot : { *(.boot) }
  29. #endif
  30. /* see head.S and pages reserved at the start */
  31. . = DRAM_VIRTUAL_BASE + 0x4000;
  32. _text = .; /* Text and read-only data. */
  33. text_start = .; /* Lots of aliases. */
  34. _stext = .;
  35. __stext = .;
  36. .text : {
  37. TEXT_TEXT
  38. SCHED_TEXT
  39. LOCK_TEXT
  40. *(.fixup)
  41. *(.text.__*)
  42. }
  43. _etext = . ; /* End of text section. */
  44. __etext = .;
  45. EXCEPTION_TABLE(4)
  46. _sdata = .;
  47. RODATA
  48. . = ALIGN (4);
  49. ___data_start = . ;
  50. __Sdata = . ;
  51. .data : { /* Data */
  52. CACHELINE_ALIGNED_DATA(32)
  53. READ_MOSTLY_DATA(32)
  54. DATA_DATA
  55. }
  56. __edata = . ; /* End of data section. */
  57. _edata = . ;
  58. INIT_TASK_DATA_SECTION(PAGE_SIZE)
  59. . = ALIGN(PAGE_SIZE); /* Init code and data. */
  60. __init_begin = .;
  61. INIT_TEXT_SECTION(PAGE_SIZE)
  62. .init.data : { INIT_DATA }
  63. .init.setup : { INIT_SETUP(16) }
  64. .initcall.init : {
  65. INIT_CALLS
  66. }
  67. .con_initcall.init : {
  68. CON_INITCALL
  69. }
  70. SECURITY_INIT
  71. /* .exit.text is discarded at runtime, not link time,
  72. * to deal with references from __bug_table
  73. */
  74. .exit.text : {
  75. EXIT_TEXT
  76. }
  77. .exit.data : {
  78. EXIT_DATA
  79. }
  80. #ifdef CONFIG_ETRAX_ARCH_V10
  81. #ifdef CONFIG_BLK_DEV_INITRD
  82. .init.ramfs : {
  83. __initramfs_start = .;
  84. *(.init.ramfs)
  85. __initramfs_end = .;
  86. }
  87. #endif
  88. #endif
  89. __vmlinux_end = .; /* Last address of the physical file. */
  90. #ifdef CONFIG_ETRAX_ARCH_V32
  91. PERCPU_SECTION(32)
  92. .init.ramfs : {
  93. INIT_RAM_FS
  94. }
  95. #endif
  96. /*
  97. * We fill to the next page, so we can discard all init
  98. * pages without needing to consider what payload might be
  99. * appended to the kernel image.
  100. */
  101. . = ALIGN(PAGE_SIZE);
  102. __init_end = .;
  103. __data_end = . ; /* Move to _edata ? */
  104. BSS_SECTION(1, 1, 1)
  105. . = ALIGN (0x20);
  106. _end = .;
  107. __end = .;
  108. dram_end = dram_start + (CONFIG_ETRAX_DRAM_SIZE - __CONFIG_ETRAX_VMEM_SIZE)*1024*1024;
  109. DISCARDS
  110. }