arch/m68k/kernel/vmlinux-nommu.lds

   1 /*
   2  *      vmlinux.lds.S -- master linker script for m68knommu arch
   3  *
   4  *      (C) Copyright 2002-2012, Greg Ungerer <gerg@snapgear.com>
   5  *
   6  *      This linker script is equipped to build either ROM loaded or RAM
   7  *      run kernels.
   8  */
   9
  10 #if defined(CONFIG_RAMKERNEL)
  11 #define KTEXT_ADDR      CONFIG_KERNELBASE
  12 #endif
  13 #if defined(CONFIG_ROMKERNEL)
  14 #define KTEXT_ADDR      CONFIG_ROMSTART
  15 #define KDATA_ADDR      CONFIG_KERNELBASE
  16 #define LOAD_OFFSET     KDATA_ADDR + (ADDR(.text) + SIZEOF(.text))
  17 #endif
  18
  19 #include <asm/page.h>
  20 #include <asm/thread_info.h>
  21 #include <asm-generic/vmlinux.lds.h>
  22
  23 OUTPUT_ARCH(m68k)
  24 ENTRY(_start)
  25
  26 jiffies = jiffies_64 + 4;
  27
  28 SECTIONS {
  29
  30 #ifdef CONFIG_ROMVEC
  31         . = CONFIG_ROMVEC;
  32         .romvec : {
  33                 __rom_start = .;
  34                 _romvec = .;
  35                 *(.romvec)
  36                 *(.data..initvect)
  37         }
  38 #endif
  39
  40         . = KTEXT_ADDR;
  41
  42         _text = .;
  43         _stext = .;
  44         .text : {
  45                 HEAD_TEXT
  46                 TEXT_TEXT
  47                 SCHED_TEXT
  48                 LOCK_TEXT
  49                 *(.fixup)
  50                 . = ALIGN(16);
  51         }
  52         _etext = .;
  53
  54 #ifdef KDATA_ADDR
  55         . = KDATA_ADDR;
  56 #endif
  57
  58         _sdata = .;
  59         RO_DATA_SECTION(PAGE_SIZE)
  60         RW_DATA_SECTION(16, PAGE_SIZE, THREAD_SIZE)
  61         _edata = .;
  62
  63         EXCEPTION_TABLE(16)
  64         NOTES
  65
  66         . = ALIGN(PAGE_SIZE);
  67         __init_begin = .;
  68         INIT_TEXT_SECTION(PAGE_SIZE)
  69         INIT_DATA_SECTION(16)
  70         PERCPU_SECTION(16)
  71         .m68k_fixup : {
  72                 __start_fixup = .;
  73                 *(.m68k_fixup)
  74                 __stop_fixup = .;
  75         }
  76         .init.data : {
  77                 . = ALIGN(PAGE_SIZE);
  78                 __init_end = .;
  79         }
  80
  81         BSS_SECTION(0, 0, 0)
  82
  83         _end = .;
  84
  85         STABS_DEBUG
  86         .comment 0 : { *(.comment) }
  87
  88         /* Sections to be discarded */
  89         DISCARDS
  90 }
  91