linux-sg2042/arch/blackfin/kernel/vmlinux.lds.S

/*
 * File:         arch/blackfin/kernel/vmlinux.lds.S
 * Based on:     none - original work
 * Author:
 *
 * Created:      Tue Sep 21 2004
 * Description:  Master linker script for blackfin architecture
 *
 * Modified:
 *               Copyright 2004-2006 Analog Devices Inc.
 *
 * Bugs:         Enter bugs at http://blackfin.uclinux.org/
 *
 * 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, see the file COPYING, or write
 * to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#define VMLINUX_SYMBOL(_sym_) _##_sym_

#include <asm-generic/vmlinux.lds.h>
#include <asm/mem_map.h>


OUTPUT_FORMAT("elf32-bfin")
ENTRY(__start)
_jiffies = _jiffies_64;

MEMORY
{
	ram         : ORIGIN = CONFIG_BOOT_LOAD, LENGTH = (CONFIG_MEM_SIZE * 1024 * 1024) - (CONFIG_BOOT_LOAD)
	l1_data_a   : ORIGIN = L1_DATA_A_START,  LENGTH = L1_DATA_A_LENGTH
	l1_data_b   : ORIGIN = L1_DATA_B_START,  LENGTH = L1_DATA_B_LENGTH
	l1_code     : ORIGIN = L1_CODE_START,    LENGTH = L1_CODE_LENGTH
	l1_scratch  : ORIGIN = L1_SCRATCH_START, LENGTH = L1_SCRATCH_LENGTH
}

SECTIONS
{
	. = CONFIG_BOOT_LOAD;

	.text :
	{
		 _text = .;
		 __stext = .;
		*(.text)
		SCHED_TEXT
		*(.text.lock)
		. = ALIGN(16);
		  ___start___ex_table = .;
		*(__ex_table)
		 ___stop___ex_table = .;

		*($code)
		*(.rodata)
		*(.rodata.*)
		*(__vermagic)		/* Kernel version magic */
		*(.rodata1)
		*(.fixup)
		*(.spinlock.text)

		/* Kernel symbol table: Normal symbols */
		. = ALIGN(4);
		___start___ksymtab = .;
		*(__ksymtab)
		___stop___ksymtab = .;

		/* Kernel symbol table: GPL-only symbols */
		___start___ksymtab_gpl = .;
		*(__ksymtab_gpl)
		___stop___ksymtab_gpl = .;

		/* Kernel symbol table: Normal unused symbols */		\
		___start___ksymtab_unused = .;
		*(__ksymtab_unused)
		___stop___ksymtab_unused = .;

		/* Kernel symbol table: GPL-only unused symbols */
		___start___ksymtab_unused_gpl = .;
		*(__ksymtab_unused_gpl)
		___stop___ksymtab_unused_gpl = .;


		/* Kernel symbol table: GPL-future symbols */
		___start___ksymtab_gpl_future = .;
		*(__ksymtab_gpl_future)
		___stop___ksymtab_gpl_future = .;

		/* Kernel symbol table: Normal symbols */
		___start___kcrctab = .;
		*(__kcrctab)
		___stop___kcrctab = .;

		/* Kernel symbol table: GPL-only symbols */
		___start___kcrctab_gpl = .;
		*(__kcrctab_gpl)
		___stop___kcrctab_gpl = .;

		/* Kernel symbol table: GPL-future symbols */
		___start___kcrctab_gpl_future = .;
		*(__kcrctab_gpl_future)
		___stop___kcrctab_gpl_future = .;

		/* Kernel symbol table: strings */
		*(__ksymtab_strings)

		 . = ALIGN(4);
		__etext = .;
	} > ram

	.init :
	{
		. = ALIGN(4096);
		___init_begin = .;
		__sinittext = .;
		*(.init.text)
		__einittext = .;
		*(.init.data)
		. = ALIGN(16);
		___setup_start = .;
		*(.init.setup)
		___setup_end = .;
		___start___param = .;
		*(__param)
		___stop___param = .;
		___initcall_start = .;
		INITCALLS
		___initcall_end = .;
		___con_initcall_start = .;
		*(.con_initcall.init)
		___con_initcall_end = .;
		___security_initcall_start = .;
		*(.security_initcall.init)
		___security_initcall_end = .;
		. = ALIGN(4);
		___initramfs_start = .;
		*(.init.ramfs)
		___initramfs_end = .;
		. = ALIGN(4);
		___init_end = .;
	} > ram

	 __l1_lma_start = .;

	.text_l1 :
	{
		. = ALIGN(4);
		 __stext_l1 = .;
		*(.l1.text)

		. = ALIGN(4);
		 __etext_l1 = .;
	} > l1_code AT > ram

	.data_l1 :
	{
		. = ALIGN(4);
		 __sdata_l1 = .;
		*(.l1.data)
		 __edata_l1 = .;

		. = ALIGN(4);
		 __sbss_l1 = .;
		*(.l1.bss)

		. = ALIGN(32);
		*(.data_l1.cacheline_aligned)

		. = ALIGN(4);
		 __ebss_l1 = .;
	} > l1_data_a AT > ram
	.data_b_l1 :
	{
		. = ALIGN(4);
		__sdata_b_l1 = .;
		*(.l1.data.B)
		__edata_b_l1 = .;

		. = ALIGN(4);
		__sbss_b_l1 = .;
		*(.l1.bss.B)

		. = ALIGN(4);
		__ebss_b_l1 = .;
	} > l1_data_b AT > ram

	.data :
	{
		 __sdata = .;
		. = ALIGN(0x2000);
		*(.data.init_task)
		*(.data)

		. = ALIGN(32);
		*(.data.cacheline_aligned)

		. = ALIGN(0x2000);
		__edata = .;
	} > ram

	/DISCARD/ : {			/* Exit code and data*/
		*(.exit.text)
		*(.exit.data)
		*(.exitcall.exit)
	} > ram

	.bss :
	{
		. = ALIGN(4);
		 ___bss_start = .;
		*(.bss)
		*(COMMON)
		. = ALIGN(4);
		 ___bss_stop = .;
		 __end = .	;
	} > ram
}