blob: aeb87ee7dd1f59d9d95490f0a98457cb35ff2e23 [file] [log] [blame]
Daniel Hellstromc2f02da2008-03-28 09:47:00 +01001/* Assembler macros for SPARC
2 *
3 * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h
4 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 *
24 */
25
26#ifndef __SPARC_ASMMACRO_H__
27#define __SPARC_ASMMACRO_H__
28
29#include <config.h>
30
31/* All trap entry points _must_ begin with this macro or else you
32 * lose. It makes sure the kernel has a proper window so that
33 * c-code can be called.
34 */
35#define SAVE_ALL_HEAD \
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020036 sethi %hi(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \
37 jmpl %l4 + %lo(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-TEXT_BASE)), %l6;
Daniel Hellstromc2f02da2008-03-28 09:47:00 +010038#define SAVE_ALL \
39 SAVE_ALL_HEAD \
40 nop;
41
42/* All traps low-level code here must end with this macro. */
43#define RESTORE_ALL b ret_trap_entry; clr %l6;
44
45#endif