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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/page.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
jiffies = jiffies_64 + 4;
SECTIONS {
. = CONFIG_KERNEL_START;
_start = CONFIG_KERNEL_BASE_ADDR;
.text : AT(ADDR(.text) - LOAD_OFFSET) {
_text = . ;
_stext = . ;
*(.text .text.*)
*(.fixup)
EXIT_TEXT
EXIT_CALL
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
. = ALIGN (4) ;
_etext = . ;
}
. = ALIGN (4) ;
__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
_fdt_start = . ; /* place for fdt blob */
*(__fdt_blob) ; /* Any link-placed DTB */
. = _fdt_start + 0x4000; /* Pad up to 16kbyte */
_fdt_end = . ;
}
. = ALIGN(16);
RODATA
EXCEPTION_TABLE(16)
/*
* sdata2 section can go anywhere, but must be word aligned
* and SDA2_BASE must point to the middle of it
*/
.sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
_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 = . ;
RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
_edata = . ;
/* Reserve some low RAM for r0 based memory references */
. = ALIGN(0x4) ;
r0_ram = . ;
. = . + 4096; /* a page should be enough */
/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
. = ALIGN(8);
.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
_ssro = .;
*(.sdata)
}
.sbss : AT(ADDR(.sbss) - LOAD_OFFSET) {
_ssbss = .;
*(.sbss)
_esbss = .;
_essro = .;
_ssro_size = _essro - _ssro ;
_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
}
__init_begin = .;
INIT_TEXT_SECTION(PAGE_SIZE)
.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
INIT_DATA
}
. = ALIGN(4);
.init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
__ivt_start = .;
*(.init.ivt)
__ivt_end = .;
}
.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
INIT_SETUP(0)
}
.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
INIT_CALLS
}
.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
CON_INITCALL
}
SECURITY_INIT
__init_end_before_initramfs = .;
.init.ramfs ALIGN(4096) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
__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) : AT(ADDR(.bss) - LOAD_OFFSET) {
/* page aligned when MMU used */
__bss_start = . ;
*(.bss*)
*(COMMON)
. = ALIGN (4) ;
__bss_stop = . ;
_ebss = . ;
}
. = ALIGN(4096);
_end = .;
DISCARDS
}
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