xref: /openbmc/u-boot/arch/powerpc/lib/reloc.S (revision fc0db132)
1/*
2 * Copyright (C) 2009 Wolfgang Denk <wd@denx.de>
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <ppc_asm.tmpl>
24
25	.file	"reloc.S"
26
27	.text
28#ifndef CONFIG_NAND_SPL
29	/*
30	 * Function: relocate entries for one exception vector
31	 */
32	.globl trap_reloc
33	.type	trap_reloc, @function
34trap_reloc:
35	lwz	r0, 0(r7)		/* hdlr ...		*/
36	add	r0, r0, r3		/*  ... += dest_addr	*/
37	stw	r0, 0(r7)
38
39	lwz	r0, 4(r7)		/* int_return ...	*/
40	add	r0, r0, r3		/*  ... += dest_addr	*/
41	stw	r0, 4(r7)
42
43	lwz	r0, 8(r7)		/* transfer_to_handler ...*/
44	add	r0, r0, r3		/*  ... += dest_addr	*/
45	stw	r0, 8(r7)
46
47	blr
48	.size	trap_reloc, .-trap_reloc
49#endif
50