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microblaze_v8: vmlinux.lds.S - linker script

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Reviewed-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: John Linn <john.linn@xilinx.com>
Acked-by: John Williams <john.williams@petalogix.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>
This commit is contained in:
Michal Simek 2009-03-27 14:25:20 +01:00
parent 6d5af1a35f
commit 16bfeaf23e
1 changed files with 163 additions and 0 deletions
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163
arch/microblaze/kernel/vmlinux.lds.S Normal file
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/*
* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
* Copyright (C) 2008-2009 PetaLogix
* Copyright (C) 2006 Atmark Techno, Inc.
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
OUTPUT_ARCH(microblaze)
ENTRY(_start)
#include <asm-generic/vmlinux.lds.h>
jiffies = jiffies_64 + 4;
SECTIONS {
. = CONFIG_KERNEL_BASE_ADDR;
.text : {
_text = . ;
_stext = . ;
*(.text .text.*)
*(.fixup)
*(.exitcall.exit)
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
. = ALIGN (4) ;
_etext = . ;
}
. = ALIGN (4) ;
_fdt_start = . ; /* place for fdt blob */
. = . + 0x4000;
_fdt_end = . ;
. = ALIGN(16);
RODATA
. = ALIGN(16);
__ex_table : {
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
}
/*
* sdata2 section can go anywhere, but must be word aligned
* and SDA2_BASE must point to the middle of it
*/
.sdata2 : {
_ssrw = .;
. = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */
*(.sdata2)
. = ALIGN(8);
_essrw = .;
_ssrw_size = _essrw - _ssrw;
_KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
}
_sdata = . ;
.data ALIGN (4096) : { /* page aligned when MMU used - origin 0x4 */
*(.data)
}
. = ALIGN(32);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
_edata = . ;
/* Reserve some low RAM for r0 based memory references */
. = ALIGN(0x4) ;
r0_ram = . ;
. = . + 4096; /* a page should be enough */
/* The initial task */
. = ALIGN(8192);
.data.init_task : { *(.data.init_task) }
/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
. = ALIGN(8);
.sdata : {
_ssro = .;
*(.sdata)
}
.sbss : {
_ssbss = .;
*(.sbss)
_esbss = .;
_essro = .;
_ssro_size = _essro - _ssro ;
_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
}
__init_begin = .;
. = ALIGN(4096);
.init.text : {
_sinittext = . ;
*(.init.text)
*(.exit.text)
*(.exit.data)
_einittext = .;
}
.init.data : { *(.init.data) }
. = ALIGN(4);
.init.ivt : {
__ivt_start = .;
*(.init.ivt)
__ivt_end = .;
}
.init.setup : {
__setup_start = .;
*(.init.setup)
__setup_end = .;
}
.initcall.init : {
__initcall_start = .;
INITCALLS
__initcall_end = .;
}
.con_initcall.init : {
__con_initcall_start = .;
*(.con_initcall.init)
__con_initcall_end = .;
}
__init_end_before_initramfs = .;
.init.ramfs ALIGN(4096) : {
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
. = ALIGN(4);
LONG(0);
/*
* FIXME this can break initramfs for MMU.
* Pad init.ramfs up to page boundary,
* so that __init_end == __bss_start. This will make image.elf
* consistent with the image.bin
*/
/* . = ALIGN(4096); */
}
__init_end = .;
.bss ALIGN (4096) : { /* page aligned when MMU used */
__bss_start = . ;
*(.bss*)
*(COMMON)
. = ALIGN (4) ;
__bss_stop = . ;
_ebss = . ;
}
. = ALIGN(4096);
_end = .;
}