mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-26 14:40:41 +00:00
f2ff75c0a2
Provides a small speed increase and prepares for fully relocatable image. Downside is the TEXT_BASE, bss, load address etc must ALL be aligned on a a 4-byte boundary which is not such a terrible restriction as everything is already 4-byte aligned anyway
104 lines
2.7 KiB
Text
104 lines
2.7 KiB
Text
/*
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* (C) Copyright 2002
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* Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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ENTRY(_start)
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SECTIONS
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{
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. = TEXT_BASE; /* Location of bootcode in flash */
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__text_start = .;
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.text : { *(.text*); }
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. = ALIGN(4);
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__u_boot_cmd_start = .;
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.u_boot_cmd : { *(.u_boot_cmd) }
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. = ALIGN(4);
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__u_boot_cmd_end = .;
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. = ALIGN(4);
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.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
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. = ALIGN(4);
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.data : { *(.data*) }
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. = ALIGN(4);
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.dynsym : { *(.dynsym*) }
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. = ALIGN(4);
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.hash : { *(.hash*) }
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. = ALIGN(4);
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.got : { *(.got*) }
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. = ALIGN(4);
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__data_end = .;
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. = ALIGN(4);
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__bss_start = ABSOLUTE(.);
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.bss (NOLOAD) : { *(.bss) }
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. = ALIGN(4);
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__bss_end = ABSOLUTE(.);
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. = ALIGN(4);
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__rel_dyn_start = .;
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.rel.dyn : { *(.rel.dyn) }
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__rel_dyn_end = .;
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/DISCARD/ : { *(.dynstr*) }
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/DISCARD/ : { *(.dynamic*) }
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/DISCARD/ : { *(.plt*) }
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/DISCARD/ : { *(.interp*) }
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/DISCARD/ : { *(.gnu*) }
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/* 16bit realmode trampoline code */
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.realmode 0x7c0 : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
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__realmode_start = LOADADDR(.realmode);
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__realmode_size = SIZEOF(.realmode);
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/* 16bit BIOS emulation code (just enough to boot Linux) */
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.bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
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__bios_start = LOADADDR(.bios);
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__bios_size = SIZEOF(.bios);
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/* The load addresses below assumes that the flash
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* will be mapped so that 0x387f0000 == 0xffff0000
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* at reset time
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*
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* The fe00 and ff00 offsets of the start32 and start16
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* segments are arbitrary, the just have to be mapped
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* at reset and the code have to fit.
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* The fff0 offset of resetvec is important, however.
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*/
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. = 0xfffffe00;
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.start32 : AT (TEXT_BASE + 0x3fe00) { KEEP(*(.start32)); }
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. = 0xf800;
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.start16 : AT (TEXT_BASE + 0x3f800) { KEEP(*(.start16)); }
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. = 0xfff0;
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.resetvec : AT (TEXT_BASE + 0x3fff0) { KEEP(*(.resetvec)); }
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}
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