mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-10-05 02:50:44 +09:00
f82d15ead1
At present BSS data is including in the image, which wastes binary space. Remove it by rearranging the sections so that BSS is last. Signed-off-by: Simon Glass <sjg@chromium.org>
109 lines
2.6 KiB
Plaintext
109 lines
2.6 KiB
Plaintext
/*
|
|
* (C) Copyright 2002
|
|
* Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#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 : {
|
|
#include <u-boot.lst>
|
|
}
|
|
|
|
. = 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 = .;
|
|
|
|
. = ALIGN(4);
|
|
.dynsym : { *(.dynsym*) }
|
|
|
|
. = ALIGN(4);
|
|
__rel_dyn_start = .;
|
|
.rel.dyn : { *(.rel.dyn) }
|
|
__rel_dyn_end = .;
|
|
. = ALIGN(4);
|
|
_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*) }
|
|
|
|
/* 16bit realmode trampoline code */
|
|
.realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
|
|
|
|
__realmode_start = LOADADDR(.realmode);
|
|
__realmode_size = SIZEOF(.realmode);
|
|
|
|
/* 16bit BIOS emulation code (just enough to boot Linux) */
|
|
.bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
|
|
|
|
__bios_start = LOADADDR(.bios);
|
|
__bios_size = SIZEOF(.bios);
|
|
|
|
#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;
|
|
.start16 : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + START_16)) { KEEP(*(.start16)); }
|
|
|
|
. = RESET_VEC_LOC;
|
|
.resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); }
|
|
#endif
|
|
}
|