|
|
|
|
|
/*
|
|
|
|
|
|
* (C) Copyright 2002
|
|
|
|
|
|
* Daniel Engstr<EFBFBD>m, 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
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
|
|
|
|
|
|
OUTPUT_ARCH(i386)
|
|
|
|
|
|
ENTRY(_start)
|
|
|
|
|
|
|
|
|
|
|
|
SECTIONS
|
|
|
|
|
|
{
|
|
|
|
|
|
. = 0x38040000; /* Location of bootcode in flash */
|
|
|
|
|
|
.text : { *(.text); }
|
|
|
|
|
|
|
|
|
|
|
|
. = ALIGN(4);
|
|
|
|
|
|
.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
|
|
|
|
|
|
|
|
|
|
|
|
_i386boot_text_size = SIZEOF(.text) + SIZEOF(.rodata);
|
|
|
|
|
|
|
|
|
|
|
|
. = 0x03FF0000; /* Ram data segment to use */
|
|
|
|
|
|
_i386boot_romdata_dest = ABSOLUTE(.);
|
|
|
|
|
|
.data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) }
|
|
|
|
|
|
_i386boot_romdata_start = LOADADDR(.data);
|
|
|
|
|
|
|
|
|
|
|
|
. = ALIGN(4);
|
|
|
|
|
|
.got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) }
|
|
|
|
|
|
|
|
|
|
|
|
. = ALIGN(4);
|
|
|
|
|
|
__u_boot_cmd_start = .;
|
|
|
|
|
|
.u_boot_cmd : { *(.u_boot_cmd) }
|
|
|
|
|
|
__u_boot_cmd_end = .;
|
|
|
|
|
|
_i386boot_cmd_start = LOADADDR(.u_boot_cmd);
|
|
|
|
|
|
|
|
|
|
|
|
_i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got) + SIZEOF(.u_boot_cmd);
|
|
|
|
|
|
|
|
|
|
|
|
. = ALIGN(4);
|
|
|
|
|
|
_i386boot_bss_start = ABSOLUTE(.);
|
|
|
|
|
|
.bss (NOLOAD) : { *(.bss) }
|
|
|
|
|
|
_i386boot_bss_size = SIZEOF(.bss);
|
|
|
|
|
|
|
|
|
|
|
|
/* 16bit realmode trampoline code */
|
|
|
|
|
|
.realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) + SIZEOF(.u_boot_cmd)) { *(.realmode) }
|
|
|
|
|
|
|
|
|
|
|
|
_i386boot_realmode = LOADADDR(.realmode);
|
|
|
|
|
|
_i386boot_realmode_size = SIZEOF(.realmode);
|
|
|
|
|
|
|
|
|
|
|
|
/* 16bit BIOS emulation code (just enough to boot Linux) */
|
|
|
|
|
|
.bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) }
|
|
|
|
|
|
|
|
|
|
|
|
_i386boot_bios = LOADADDR(.bios);
|
|
|
|
|
|
_i386boot_bios_size = SIZEOF(.bios);
|
|
|
|
|
|
|
|
|
|
|
|
/* The load addresses below assumes that the flash
|
|
|
|
|
|
* will be mapped so that 0x387f0000 == 0xffff0000
|
|
|
|
|
|
* at reset time
|
|
|
|
|
|
*
|
|
|
|
|
|
* The fe00 and ff00 offsets of the start32 and start16
|
|
|
|
|
|
* segments are arbitrary, the just have to be mapped
|
|
|
|
|
|
* at reset and the code have to fit.
|
|
|
|
|
|
* The fff0 offset of resetvec is important, however.
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
. = 0xfffffe00;
|
|
|
|
|
|
.start32 : AT (0x3807fe00) { *(.start32); }
|
|
|
|
|
|
|
|
|
|
|
|
. = 0xf800;
|
|
|
|
|
|
.start16 : AT (0x3807f800) { *(.start16); }
|
|
|
|
|
|
|
|
|
|
|
|
. = 0xfff0;
|
|
|
|
|
|
.resetvec : AT (0x3807fff0) { *(.resetvec); }
|
|
|
|
|
|
_i386boot_end = (LOADADDR(.resetvec) + SIZEOF(.resetvec) );
|
|
|
|
|
|
}
|
