arch/powerpc/cpu/mpc85xx/u-boot.lds

   1 /*
   2  * Copyright 2007-2009, 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include "config.h"     /* CONFIG_BOARDDIR */
   8
   9 #ifdef CONFIG_RESET_VECTOR_ADDRESS
  10 #define RESET_VECTOR_ADDRESS    CONFIG_RESET_VECTOR_ADDRESS
  11 #else
  12 #define RESET_VECTOR_ADDRESS    0xfffffffc
  13 #endif
  14
  15 OUTPUT_ARCH(powerpc)
  16
  17 PHDRS
  18 {
  19   text PT_LOAD;
  20   bss PT_LOAD;
  21 }
  22
  23 SECTIONS
  24 {
  25   /* Read-only sections, merged into text segment: */
  26   . = + SIZEOF_HEADERS;
  27   .interp : { *(.interp) }
  28   .text      :
  29   {
  30     *(.text*)
  31    } :text
  32     _etext = .;
  33     PROVIDE (etext = .);
  34     .rodata    :
  35    {
  36     *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
  37   } :text
  38
  39   /* Read-write section, merged into data segment: */
  40   . = (. + 0x00FF) & 0xFFFFFF00;
  41   _erotext = .;
  42   PROVIDE (erotext = .);
  43   .reloc   :
  44   {
  45     _GOT2_TABLE_ = .;
  46     KEEP(*(.got2))
  47     KEEP(*(.got))
  48     PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
  49     _FIXUP_TABLE_ = .;
  50     KEEP(*(.fixup))
  51   }
  52   __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
  53   __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
  54
  55   .data    :
  56   {
  57     *(.data*)
  58     *(.sdata*)
  59   }
  60   _edata  =  .;
  61   PROVIDE (edata = .);
  62
  63   . = .;
  64
  65   . = ALIGN(4);
  66   .u_boot_list : {
  67         KEEP(*(SORT(.u_boot_list*)));
  68   }
  69
  70   . = .;
  71   __start___ex_table = .;
  72   __ex_table : { *(__ex_table) }
  73   __stop___ex_table = .;
  74
  75   . = ALIGN(256);
  76   __init_begin = .;
  77   .text.init : { *(.text.init) }
  78   .data.init : { *(.data.init) }
  79   . = ALIGN(256);
  80   __init_end = .;
  81
  82 #ifdef CONFIG_SYS_MPC85XX_NO_RESETVEC
  83   .bootpg ADDR(.text) - 0x1000 :
  84   {
  85     KEEP(arch/powerpc/cpu/mpc85xx/start.o (.bootpg))
  86   } :text = 0xffff
  87   . = ADDR(.text) + 0x80000;
  88 #else
  89   .bootpg RESET_VECTOR_ADDRESS - 0xffc :
  90   {
  91     arch/powerpc/cpu/mpc85xx/start.o    (.bootpg)
  92   } :text = 0xffff
  93
  94   .resetvec RESET_VECTOR_ADDRESS :
  95   {
  96     KEEP(*(.resetvec))
  97   } :text = 0xffff
  98
  99   . = RESET_VECTOR_ADDRESS + 0x4;
 100
 101   /*
 102    * Make sure that the bss segment isn't linked at 0x0, otherwise its
 103    * address won't be updated during relocation fixups.  Note that
 104    * this is a temporary fix.  Code to dynamically the fixup the bss
 105    * location will be added in the future.  When the bss relocation
 106    * fixup code is present this workaround should be removed.
 107    */
 108 #if (RESET_VECTOR_ADDRESS == 0xfffffffc)
 109   . |= 0x10;
 110 #endif
 111 #endif
 112
 113   __bss_start = .;
 114   .bss (NOLOAD)       :
 115   {
 116    *(.sbss*)
 117    *(.bss*)
 118    *(COMMON)
 119   } :bss
 120
 121   . = ALIGN(4);
 122   __bss_end = . ;
 123   PROVIDE (end = .);
 124 }