arch/blackfin/kernel/vmlinux.lds.S

   1 /*
   2  * File:         arch/blackfin/kernel/vmlinux.lds.S
   3  * Based on:     none - original work
   4  * Author:
   5  *
   6  * Created:      Tue Sep 21 2004
   7  * Description:  Master linker script for blackfin architecture
   8  *
   9  * Modified:
  10  *               Copyright 2004-2006 Analog Devices Inc.
  11  *
  12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, see the file COPYING, or write
  26  * to the Free Software Foundation, Inc.,
  27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  28  */
  29
  30 #define VMLINUX_SYMBOL(_sym_) _##_sym_
  31
  32 #include <asm-generic/vmlinux.lds.h>
  33 #include <asm/mem_map.h>
  34
  35
  36 OUTPUT_FORMAT("elf32-bfin")
  37 ENTRY(__start)
  38 _jiffies = _jiffies_64;
  39
  40 MEMORY
  41 {
  42         ram         : ORIGIN = CONFIG_BOOT_LOAD, LENGTH = (CONFIG_MEM_SIZE * 1024 * 1024) - (CONFIG_BOOT_LOAD)
  43         l1_data_a   : ORIGIN = L1_DATA_A_START,  LENGTH = L1_DATA_A_LENGTH
  44         l1_data_b   : ORIGIN = L1_DATA_B_START,  LENGTH = L1_DATA_B_LENGTH
  45         l1_code     : ORIGIN = L1_CODE_START,    LENGTH = L1_CODE_LENGTH
  46         l1_scratch  : ORIGIN = L1_SCRATCH_START, LENGTH = L1_SCRATCH_LENGTH
  47 }
  48
  49 SECTIONS
  50 {
  51         . = CONFIG_BOOT_LOAD;
  52
  53         .text :
  54         {
  55                  _text = .;
  56                  __stext = .;
  57                 *(.text)
  58                 SCHED_TEXT
  59                 *(.text.lock)
  60                 . = ALIGN(16);
  61                   ___start___ex_table = .;
  62                 *(__ex_table)
  63                  ___stop___ex_table = .;
  64
  65                 *($code)
  66                 *(.rodata)
  67                 *(.rodata.*)
  68                 *(__vermagic)           /* Kernel version magic */
  69                 *(.rodata1)
  70                 *(.fixup)
  71                 *(.spinlock.text)
  72
  73                 /* Kernel symbol table: Normal symbols */
  74                 . = ALIGN(4);
  75                 ___start___ksymtab = .;
  76                 *(__ksymtab)
  77                 ___stop___ksymtab = .;
  78
  79                 /* Kernel symbol table: GPL-only symbols */
  80                 ___start___ksymtab_gpl = .;
  81                 *(__ksymtab_gpl)
  82                 ___stop___ksymtab_gpl = .;
  83
  84                 /* Kernel symbol table: Normal unused symbols */                \
  85                 ___start___ksymtab_unused = .;
  86                 *(__ksymtab_unused)
  87                 ___stop___ksymtab_unused = .;
  88
  89                 /* Kernel symbol table: GPL-only unused symbols */
  90                 ___start___ksymtab_unused_gpl = .;
  91                 *(__ksymtab_unused_gpl)
  92                 ___stop___ksymtab_unused_gpl = .;
  93
  94
  95                 /* Kernel symbol table: GPL-future symbols */
  96                 ___start___ksymtab_gpl_future = .;
  97                 *(__ksymtab_gpl_future)
  98                 ___stop___ksymtab_gpl_future = .;
  99
 100                 /* Kernel symbol table: Normal symbols */
 101                 ___start___kcrctab = .;
 102                 *(__kcrctab)
 103                 ___stop___kcrctab = .;
 104
 105                 /* Kernel symbol table: GPL-only symbols */
 106                 ___start___kcrctab_gpl = .;
 107                 *(__kcrctab_gpl)
 108                 ___stop___kcrctab_gpl = .;
 109
 110                 /* Kernel symbol table: GPL-future symbols */
 111                 ___start___kcrctab_gpl_future = .;
 112                 *(__kcrctab_gpl_future)
 113                 ___stop___kcrctab_gpl_future = .;
 114
 115                 /* Kernel symbol table: strings */
 116                 *(__ksymtab_strings)
 117
 118                  . = ALIGN(4);
 119                 __etext = .;
 120         } > ram
 121
 122         .init :
 123         {
 124                 . = ALIGN(4096);
 125                 ___init_begin = .;
 126                 __sinittext = .;
 127                 *(.init.text)
 128                 __einittext = .;
 129                 *(.init.data)
 130                 . = ALIGN(16);
 131                 ___setup_start = .;
 132                 *(.init.setup)
 133                 ___setup_end = .;
 134                 ___start___param = .;
 135                 *(__param)
 136                 ___stop___param = .;
 137                 ___initcall_start = .;
 138                 INITCALLS
 139                 ___initcall_end = .;
 140                 ___con_initcall_start = .;
 141                 *(.con_initcall.init)
 142                 ___con_initcall_end = .;
 143                 ___security_initcall_start = .;
 144                 *(.security_initcall.init)
 145                 ___security_initcall_end = .;
 146                 . = ALIGN(4);
 147                 ___initramfs_start = .;
 148                 *(.init.ramfs)
 149                 ___initramfs_end = .;
 150                 . = ALIGN(4);
 151                 ___init_end = .;
 152         } > ram
 153
 154          __l1_lma_start = .;
 155
 156         .text_l1 :
 157         {
 158                 . = ALIGN(4);
 159                  __stext_l1 = .;
 160                 *(.l1.text)
 161
 162                 . = ALIGN(4);
 163                  __etext_l1 = .;
 164         } > l1_code AT > ram
 165
 166         .data_l1 :
 167         {
 168                 . = ALIGN(4);
 169                  __sdata_l1 = .;
 170                 *(.l1.data)
 171                  __edata_l1 = .;
 172
 173                 . = ALIGN(4);
 174                  __sbss_l1 = .;
 175                 *(.l1.bss)
 176
 177                 . = ALIGN(32);
 178                 *(.data_l1.cacheline_aligned)
 179
 180                 . = ALIGN(4);
 181                  __ebss_l1 = .;
 182         } > l1_data_a AT > ram
 183         .data_b_l1 :
 184         {
 185                 . = ALIGN(4);
 186                 __sdata_b_l1 = .;
 187                 *(.l1.data.B)
 188                 __edata_b_l1 = .;
 189
 190                 . = ALIGN(4);
 191                 __sbss_b_l1 = .;
 192                 *(.l1.bss.B)
 193
 194                 . = ALIGN(4);
 195                 __ebss_b_l1 = .;
 196         } > l1_data_b AT > ram
 197
 198         .data :
 199         {
 200                  __sdata = .;
 201                 . = ALIGN(0x2000);
 202                 *(.data.init_task)
 203                 *(.data)
 204
 205                 . = ALIGN(32);
 206                 *(.data.cacheline_aligned)
 207
 208                 . = ALIGN(0x2000);
 209                 __edata = .;
 210         } > ram
 211
 212         /DISCARD/ : {                   /* Exit code and data*/
 213                 *(.exit.text)
 214                 *(.exit.data)
 215                 *(.exitcall.exit)
 216         } > ram
 217
 218         .bss :
 219         {
 220                 . = ALIGN(4);
 221                  ___bss_start = .;
 222                 *(.bss)
 223                 *(COMMON)
 224                 . = ALIGN(4);
 225                  ___bss_stop = .;
 226                  __end = .      ;
 227         } > ram
 228 }