| Stefan Roese | 4649913 | 2009-10-27 16:11:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2007-2009 Freescale Semiconductor, Inc. |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | |
| 23 | #include "config.h" /* CONFIG_BOARDDIR */ |
| 24 | |
| 25 | #ifndef RESET_VECTOR_ADDRESS |
| 26 | #define RESET_VECTOR_ADDRESS 0xfffffffc |
| 27 | #endif |
| 28 | |
| 29 | OUTPUT_ARCH(powerpc) |
| 30 | /* Do we need any of these for elf? |
| 31 | __DYNAMIC = 0; */ |
| 32 | PHDRS |
| 33 | { |
| 34 | text PT_LOAD; |
| 35 | bss PT_LOAD; |
| 36 | } |
| 37 | |
| 38 | SECTIONS |
| 39 | { |
| 40 | /* Read-only sections, merged into text segment: */ |
| 41 | . = + SIZEOF_HEADERS; |
| 42 | .interp : { *(.interp) } |
| 43 | .hash : { *(.hash) } |
| 44 | .dynsym : { *(.dynsym) } |
| 45 | .dynstr : { *(.dynstr) } |
| 46 | .rel.text : { *(.rel.text) } |
| 47 | .rela.text : { *(.rela.text) } |
| 48 | .rel.data : { *(.rel.data) } |
| 49 | .rela.data : { *(.rela.data) } |
| 50 | .rel.rodata : { *(.rel.rodata) } |
| 51 | .rela.rodata : { *(.rela.rodata) } |
| 52 | .rel.got : { *(.rel.got) } |
| 53 | .rela.got : { *(.rela.got) } |
| 54 | .rel.ctors : { *(.rel.ctors) } |
| 55 | .rela.ctors : { *(.rela.ctors) } |
| 56 | .rel.dtors : { *(.rel.dtors) } |
| 57 | .rela.dtors : { *(.rela.dtors) } |
| 58 | .rel.bss : { *(.rel.bss) } |
| 59 | .rela.bss : { *(.rela.bss) } |
| 60 | .rel.plt : { *(.rel.plt) } |
| 61 | .rela.plt : { *(.rela.plt) } |
| 62 | .init : { *(.init) } |
| 63 | .plt : { *(.plt) } |
| 64 | .text : |
| 65 | { |
| 66 | *(.text) |
| 67 | *(.got1) |
| 68 | } :text |
| 69 | _etext = .; |
| 70 | PROVIDE (etext = .); |
| 71 | .rodata : |
| 72 | { |
| 73 | *(.eh_frame) |
| 74 | *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) |
| 75 | } :text |
| 76 | .fini : { *(.fini) } =0 |
| 77 | .ctors : { *(.ctors) } |
| 78 | .dtors : { *(.dtors) } |
| 79 | |
| 80 | /* Read-write section, merged into data segment: */ |
| 81 | . = (. + 0x00FF) & 0xFFFFFF00; |
| 82 | _erotext = .; |
| 83 | PROVIDE (erotext = .); |
| 84 | .reloc : |
| 85 | { |
| 86 | *(.got) |
| 87 | _GOT2_TABLE_ = .; |
| 88 | *(.got2) |
| 89 | _FIXUP_TABLE_ = .; |
| 90 | *(.fixup) |
| 91 | } |
| 92 | __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; |
| 93 | __fixup_entries = (. - _FIXUP_TABLE_) >> 2; |
| 94 | |
| 95 | .data : |
| 96 | { |
| 97 | *(.data) |
| 98 | *(.data1) |
| 99 | *(.sdata) |
| 100 | *(.sdata2) |
| 101 | *(.dynamic) |
| 102 | CONSTRUCTORS |
| 103 | } |
| 104 | _edata = .; |
| 105 | PROVIDE (edata = .); |
| 106 | |
| 107 | . = .; |
| 108 | __u_boot_cmd_start = .; |
| 109 | .u_boot_cmd : { *(.u_boot_cmd) } |
| 110 | __u_boot_cmd_end = .; |
| 111 | |
| 112 | . = .; |
| 113 | __start___ex_table = .; |
| 114 | __ex_table : { *(__ex_table) } |
| 115 | __stop___ex_table = .; |
| 116 | |
| 117 | . = ALIGN(256); |
| 118 | __init_begin = .; |
| 119 | .text.init : { *(.text.init) } |
| 120 | .data.init : { *(.data.init) } |
| 121 | . = ALIGN(256); |
| 122 | __init_end = .; |
| 123 | |
| 124 | #ifdef CONFIG_440 |
| 125 | .bootpg RESET_VECTOR_ADDRESS - 0xffc : |
| 126 | { |
| 127 | cpu/ppc4xx/start.o (.bootpg) |
| 128 | |
| 129 | /* |
| 130 | * PPC440 board need a board specific object with the |
| 131 | * TLB definitions. This needs to get included right after |
| 132 | * start.o, since the first shadow TLB only covers 4k |
| 133 | * of address space. |
| 134 | */ |
| 135 | CONFIG_BOARDDIR/init.o (.bootpg) |
| 136 | } :text = 0xffff |
| 137 | #endif |
| 138 | |
| 139 | .resetvec RESET_VECTOR_ADDRESS : |
| 140 | { |
| 141 | *(.resetvec) |
| 142 | } :text = 0xffff |
| 143 | |
| 144 | . = RESET_VECTOR_ADDRESS + 0x4; |
| 145 | |
| 146 | /* |
| 147 | * Make sure that the bss segment isn't linked at 0x0, otherwise its |
| 148 | * address won't be updated during relocation fixups. Note that |
| 149 | * this is a temporary fix. Code to dynamically the fixup the bss |
| 150 | * location will be added in the future. When the bss relocation |
| 151 | * fixup code is present this workaround should be removed. |
| 152 | */ |
| 153 | #if (RESET_VECTOR_ADDRESS == 0xfffffffc) |
| 154 | . |= 0x10; |
| 155 | #endif |
| 156 | |
| 157 | __bss_start = .; |
| 158 | .bss (NOLOAD) : |
| 159 | { |
| 160 | *(.sbss) *(.scommon) |
| 161 | *(.dynbss) |
| 162 | *(.bss) |
| 163 | *(COMMON) |
| 164 | } :bss |
| 165 | |
| 166 | . = ALIGN(4); |
| 167 | _end = . ; |
| 168 | PROVIDE (end = .); |
| 169 | } |