xref: /openbmc/u-boot/arch/x86/cpu/u-boot.lds (revision 10980d4a)
1/*
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
24#include <config.h>
25OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
26OUTPUT_ARCH(i386)
27ENTRY(_start)
28
29SECTIONS
30{
31	. = CONFIG_SYS_TEXT_BASE;	/* Location of bootcode in flash */
32	__text_start = .;
33	.text  : { *(.text*); }
34
35	. = ALIGN(4);
36	__u_boot_cmd_start = .;
37	.u_boot_cmd : { *(.u_boot_cmd) }
38	. = ALIGN(4);
39	__u_boot_cmd_end = .;
40
41	. = ALIGN(4);
42	.rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
43
44	. = ALIGN(4);
45	.data : { *(.data*) }
46
47	. = ALIGN(4);
48	.dynsym : { *(.dynsym*) }
49
50	. = ALIGN(4);
51	.hash : { *(.hash*) }
52
53	. = ALIGN(4);
54	.got : { *(.got*) }
55
56	. = ALIGN(4);
57	__data_end = .;
58
59	. = ALIGN(4);
60	__bss_start = ABSOLUTE(.);
61	.bss (NOLOAD) : { *(.bss) }
62	. = ALIGN(4);
63	__bss_end = ABSOLUTE(.);
64
65	. = ALIGN(4);
66	__rel_dyn_start = .;
67	.rel.dyn : { *(.rel.dyn) }
68	__rel_dyn_end = .;
69
70	/DISCARD/ : { *(.dynstr*) }
71	/DISCARD/ : { *(.dynamic*) }
72	/DISCARD/ : { *(.plt*) }
73	/DISCARD/ : { *(.interp*) }
74	/DISCARD/ : { *(.gnu*) }
75
76	/* 16bit realmode trampoline code */
77	.realmode REALMODE_BASE : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
78
79	__realmode_start = LOADADDR(.realmode);
80	__realmode_size = SIZEOF(.realmode);
81
82	/* 16bit BIOS emulation code (just enough to boot Linux) */
83	.bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
84
85	__bios_start = LOADADDR(.bios);
86	__bios_size = SIZEOF(.bios);
87
88	/*
89	 * The following expressions place the 16-bit Real-Mode code and
90	 * Reset Vector at the end of the Flash ROM
91	 */
92	. = START_16;
93	.start16 : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + START_16)) { KEEP(*(.start16)); }
94
95	. = RESET_VEC_LOC;
96	.resetvec : AT (CONFIG_SYS_TEXT_BASE + (CONFIG_SYS_MONITOR_LEN - RESET_SEG_SIZE + RESET_VEC_LOC)) { KEEP(*(.resetvec)); }
97}
98