aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/ppc4xx/u-boot.lds
blob: 656f59a582d7aefcd57fe9fd291bc803f3fafb76 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 * Copyright 2007-2009 Freescale Semiconductor, Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include "config.h"	/* CONFIG_BOARDDIR */

#ifndef RESET_VECTOR_ADDRESS
#ifdef CONFIG_RESET_VECTOR_ADDRESS
#define RESET_VECTOR_ADDRESS	CONFIG_RESET_VECTOR_ADDRESS
#else
#define RESET_VECTOR_ADDRESS	0xfffffffc
#endif
#endif

OUTPUT_ARCH(powerpc)

PHDRS
{
  text PT_LOAD;
  bss PT_LOAD;
}

SECTIONS
{
  /* Read-only sections, merged into text segment: */
  . = + SIZEOF_HEADERS;
  .text      :
  {
    *(.text*)
   } :text
    _etext = .;
    PROVIDE (etext = .);
    .rodata    :
   {
    *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
  } :text

  /* Read-write section, merged into data segment: */
  . = (. + 0x00FF) & 0xFFFFFF00;
  _erotext = .;
  PROVIDE (erotext = .);
  .reloc   :
  {
    _GOT2_TABLE_ = .;
    KEEP(*(.got2))
    KEEP(*(.got))
    PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
    _FIXUP_TABLE_ = .;
    KEEP(*(.fixup))
  }
  __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;

  .data    :
  {
    *(.data*)
    *(.sdata*)
  }
  _edata  =  .;
  PROVIDE (edata = .);

  . = .;
  __u_boot_cmd_start = .;
  .u_boot_cmd : { *(.u_boot_cmd) }
  __u_boot_cmd_end = .;

  . = .;
  __start___ex_table = .;
  __ex_table : { *(__ex_table) }
  __stop___ex_table = .;

  . = ALIGN(256);
  __init_begin = .;
  .text.init : { *(.text.init) }
  .data.init : { *(.data.init) }
  . = ALIGN(256);
  __init_end = .;

#ifdef CONFIG_440
  .bootpg RESET_VECTOR_ADDRESS - 0xffc :
  {
    arch/powerpc/cpu/ppc4xx/start.o	(.bootpg)

    /*
     * PPC440 board need a board specific object with the
     * TLB definitions. This needs to get included right after
     * start.o, since the first shadow TLB only covers 4k
     * of address space.
     */
#ifdef CONFIG_INIT_TLB
    CONFIG_INIT_TLB (.bootpg)
#else
    CONFIG_BOARDDIR/init.o	(.bootpg)
#endif
  } :text = 0xffff
#endif

  .resetvec RESET_VECTOR_ADDRESS :
  {
    KEEP(*(.resetvec))
  } :text = 0xffff

  . = RESET_VECTOR_ADDRESS + 0x4;

  /*
   * Make sure that the bss segment isn't linked at 0x0, otherwise its
   * address won't be updated during relocation fixups.  Note that
   * this is a temporary fix.  Code to dynamically the fixup the bss
   * location will be added in the future.  When the bss relocation
   * fixup code is present this workaround should be removed.
   */
#if (RESET_VECTOR_ADDRESS == 0xfffffffc)
  . |= 0x10;
#endif

  __bss_start = .;
  .bss (NOLOAD)       :
  {
   *(.bss*)
   *(.sbss*)
   *(COMMON)
  } :bss

  . = ALIGN(4);
  _end = . ;
  PROVIDE (end = .);
}