blob: b414079bc14121bc9071cf687f2ab8f2a6c31ff2 [file] [log] [blame]
Graeme Russc620c012008-12-07 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{
Graeme Russde250592010-10-07 20:03:18 +110030 . = TEXT_BASE; /* Location of bootcode in flash */
Graeme Russ067f9b12010-10-07 20:03:31 +110031 __text_start = .;
Graeme Russ22191422010-10-07 20:03:32 +110032 .text : { *(.text*); }
Graeme Russc620c012008-12-07 10:28:57 +110033
34 . = ALIGN(4);
Graeme Russc620c012008-12-07 10:28:57 +110035 __u_boot_cmd_start = .;
36 .u_boot_cmd : { *(.u_boot_cmd) }
Graeme Russ1c409bc2009-11-24 20:04:21 +110037 . = ALIGN(4);
Graeme Russc620c012008-12-07 10:28:57 +110038 __u_boot_cmd_end = .;
Graeme Russc620c012008-12-07 10:28:57 +110039
Graeme Russ22191422010-10-07 20:03:32 +110040 . = ALIGN(4);
41 .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
42
43 . = ALIGN(4);
44 .data : { *(.data*) }
45
46 . = ALIGN(4);
47 .dynsym : { *(.dynsym*) }
48
49 . = ALIGN(4);
50 .hash : { *(.hash*) }
51
52 . = ALIGN(4);
53 .got : { *(.got*) }
54
55 . = ALIGN(4);
56 __data_end = .;
Graeme Russc620c012008-12-07 10:28:57 +110057
58 . = ALIGN(4);
Graeme Russ067f9b12010-10-07 20:03:31 +110059 __bss_start = ABSOLUTE(.);
Graeme Russc620c012008-12-07 10:28:57 +110060 .bss (NOLOAD) : { *(.bss) }
Graeme Russf2ff75c2010-10-07 20:03:33 +110061 . = ALIGN(4);
62 __bss_end = ABSOLUTE(.);
Graeme Russc620c012008-12-07 10:28:57 +110063
Graeme Russ22191422010-10-07 20:03:32 +110064 . = ALIGN(4);
65 __rel_dyn_start = .;
66 .rel.dyn : { *(.rel.dyn) }
67 __rel_dyn_end = .;
68
69 /DISCARD/ : { *(.dynstr*) }
70 /DISCARD/ : { *(.dynamic*) }
71 /DISCARD/ : { *(.plt*) }
72 /DISCARD/ : { *(.interp*) }
73 /DISCARD/ : { *(.gnu*) }
74
Graeme Russc620c012008-12-07 10:28:57 +110075 /* 16bit realmode trampoline code */
Graeme Russd664adb2010-10-07 20:03:20 +110076 .realmode 0x7c0 : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
Graeme Russc620c012008-12-07 10:28:57 +110077
Graeme Russ067f9b12010-10-07 20:03:31 +110078 __realmode_start = LOADADDR(.realmode);
79 __realmode_size = SIZEOF(.realmode);
Graeme Russc620c012008-12-07 10:28:57 +110080
81 /* 16bit BIOS emulation code (just enough to boot Linux) */
Graeme Russd664adb2010-10-07 20:03:20 +110082 .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
Graeme Russc620c012008-12-07 10:28:57 +110083
Graeme Russ067f9b12010-10-07 20:03:31 +110084 __bios_start = LOADADDR(.bios);
85 __bios_size = SIZEOF(.bios);
Graeme Russc620c012008-12-07 10:28:57 +110086
87 /* The load addresses below assumes that the flash
88 * will be mapped so that 0x387f0000 == 0xffff0000
89 * at reset time
90 *
91 * The fe00 and ff00 offsets of the start32 and start16
92 * segments are arbitrary, the just have to be mapped
93 * at reset and the code have to fit.
Graeme Russ85ffbbd2008-12-07 10:28:58 +110094 * The fff0 offset of resetvec is important, however.
Graeme Russc620c012008-12-07 10:28:57 +110095 */
Graeme Russc620c012008-12-07 10:28:57 +110096 . = 0xfffffe00;
Graeme Russd664adb2010-10-07 20:03:20 +110097 .start32 : AT (TEXT_BASE + 0x3fe00) { KEEP(*(.start32)); }
Graeme Russc620c012008-12-07 10:28:57 +110098
99 . = 0xf800;
Graeme Russd664adb2010-10-07 20:03:20 +1100100 .start16 : AT (TEXT_BASE + 0x3f800) { KEEP(*(.start16)); }
Graeme Russc620c012008-12-07 10:28:57 +1100101
102 . = 0xfff0;
Graeme Russd664adb2010-10-07 20:03:20 +1100103 .resetvec : AT (TEXT_BASE + 0x3fff0) { KEEP(*(.resetvec)); }
Graeme Russc620c012008-12-07 10:28:57 +1100104}