blob: 0d740215ce95c8f053a6929c468ae597a7af8d67 [file] [log] [blame]
Graeme Russe56d3972008-12-07 10:28:57 +11001/*
2 * (C) Copyright 2002
3 * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
25OUTPUT_ARCH(i386)
26ENTRY(_start)
27
28SECTIONS
29{
30 . = 0x38040000; /* Location of bootcode in flash */
Graeme Russ078395c2009-11-24 20:04:21 +110031 _i386boot_text_start = .;
Graeme Russe56d3972008-12-07 10:28:57 +110032 .text : { *(.text); }
33
34 . = ALIGN(4);
Trent Piepho4438e5e2009-02-18 15:22:05 -080035 .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
Graeme Russe56d3972008-12-07 10:28:57 +110036
37 _i386boot_text_size = SIZEOF(.text) + SIZEOF(.rodata);
Graeme Russ078395c2009-11-24 20:04:21 +110038 . = ALIGN(4);
39
40 .data : { *(.data) }
41 . = ALIGN(4);
42
43 .interp : { *(.interp) }
44 . = ALIGN(4);
45
46 .dynsym : { *(.dynsym) }
47 . = ALIGN(4);
Graeme Russe56d3972008-12-07 10:28:57 +110048
Graeme Russ078395c2009-11-24 20:04:21 +110049 .dynstr : { *(.dynstr) }
50 . = ALIGN(4);
51
52 .hash : { *(.hash) }
53 . = ALIGN(4);
Graeme Russe56d3972008-12-07 10:28:57 +110054
Graeme Russ078395c2009-11-24 20:04:21 +110055 .got : { *(.got) }
Graeme Russe56d3972008-12-07 10:28:57 +110056 . = ALIGN(4);
Graeme Russe56d3972008-12-07 10:28:57 +110057
Graeme Russ078395c2009-11-24 20:04:21 +110058 .got.plt : { *(.got.plt) }
Graeme Russe56d3972008-12-07 10:28:57 +110059 . = ALIGN(4);
Graeme Russ078395c2009-11-24 20:04:21 +110060
61 .dynamic (NOLOAD) : { *(.dynamic) }
62 . = ALIGN(4);
63
Graeme Russe56d3972008-12-07 10:28:57 +110064 __u_boot_cmd_start = .;
65 .u_boot_cmd : { *(.u_boot_cmd) }
Graeme Russ078395c2009-11-24 20:04:21 +110066 . = ALIGN(4);
Graeme Russe56d3972008-12-07 10:28:57 +110067 __u_boot_cmd_end = .;
68 _i386boot_cmd_start = LOADADDR(.u_boot_cmd);
69
Graeme Russ078395c2009-11-24 20:04:21 +110070 _i386boot_rel_dyn_start = .;
71 .rel.dyn : { *(.rel.dyn) }
72 _i386boot_rel_dyn_end = .;
Graeme Russe56d3972008-12-07 10:28:57 +110073
74 . = ALIGN(4);
75 _i386boot_bss_start = ABSOLUTE(.);
76 .bss (NOLOAD) : { *(.bss) }
77 _i386boot_bss_size = SIZEOF(.bss);
78
79 /* 16bit realmode trampoline code */
Graeme Russ078395c2009-11-24 20:04:21 +110080 .realmode 0x7c0 : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { *(.realmode) }
Graeme Russe56d3972008-12-07 10:28:57 +110081
82 _i386boot_realmode = LOADADDR(.realmode);
83 _i386boot_realmode_size = SIZEOF(.realmode);
84
85 /* 16bit BIOS emulation code (just enough to boot Linux) */
86 .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) }
87
88 _i386boot_bios = LOADADDR(.bios);
89 _i386boot_bios_size = SIZEOF(.bios);
90
91 /* The load addresses below assumes that the flash
92 * will be mapped so that 0x387f0000 == 0xffff0000
93 * at reset time
94 *
95 * The fe00 and ff00 offsets of the start32 and start16
96 * segments are arbitrary, the just have to be mapped
97 * at reset and the code have to fit.
Graeme Russ461bbe22008-12-07 10:28:58 +110098 * The fff0 offset of resetvec is important, however.
Graeme Russe56d3972008-12-07 10:28:57 +110099 */
100
101 . = 0xfffffe00;
102 .start32 : AT (0x3807fe00) { *(.start32); }
103
104 . = 0xf800;
105 .start16 : AT (0x3807f800) { *(.start16); }
106
107 . = 0xfff0;
Graeme Russ461bbe22008-12-07 10:28:58 +1100108 .resetvec : AT (0x3807fff0) { *(.resetvec); }
109 _i386boot_end = (LOADADDR(.resetvec) + SIZEOF(.resetvec) );
Graeme Russe56d3972008-12-07 10:28:57 +1100110}