u-boot-brain/arch/x86/cpu/u-boot.lds
Simon Glass a6a957849a x86: Factor out common values in the link script
Define the reset base in config.mk so that it does not need to be calculated
twice in the link script. Also tidy up the START_16 and RESET_VEC_LOC values
to fit with this new approach.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
2014-11-25 06:33:59 -07:00

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/*
* (C) Copyright 2002
* Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <config.h>
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)
SECTIONS
{
. = CONFIG_SYS_TEXT_BASE; /* Location of bootcode in flash */
__text_start = .;
.text : { *(.text*); }
. = ALIGN(4);
. = ALIGN(4);
.u_boot_list : {
KEEP(*(SORT(.u_boot_list*)));
}
. = ALIGN(4);
.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
. = ALIGN(4);
.data : { *(.data*) }
. = ALIGN(4);
.hash : { *(.hash*) }
. = ALIGN(4);
.got : { *(.got*) }
. = ALIGN(4);
__data_end = .;
__init_end = .;
. = ALIGN(4);
.dynsym : { *(.dynsym*) }
. = ALIGN(4);
__rel_dyn_start = .;
.rel.dyn : {
*(.rel*)
}
__rel_dyn_end = .;
. = ALIGN(4);
_end = .;
.bss __rel_dyn_start (OVERLAY) : {
__bss_start = .;
*(.bss)
*(COM*)
. = ALIGN(4);
__bss_end = .;
}
/DISCARD/ : { *(.dynstr*) }
/DISCARD/ : { *(.dynamic*) }
/DISCARD/ : { *(.plt*) }
/DISCARD/ : { *(.interp*) }
/DISCARD/ : { *(.gnu*) }
#ifdef CONFIG_X86_RESET_VECTOR
/*
* The following expressions place the 16-bit Real-Mode code and
* Reset Vector at the end of the Flash ROM
*/
. = START_16 - RESET_SEG_START;
.start16 : AT (START_16) {
KEEP(*(.start16));
}
. = RESET_VEC_LOC - RESET_SEG_START;
.resetvec : AT (RESET_VEC_LOC) {
KEEP(*(.resetvec));
}
#endif
}