summaryrefslogtreecommitdiffstats
path: root/arch/sparc/include/asm/asmmacro.h
blob: 02a172fb193aaded11b3080f2e5337ee951e1ad9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/* asmmacro.h: Assembler macros.
 *
 * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu)
 */

#ifndef _SPARC_ASMMACRO_H
#define _SPARC_ASMMACRO_H

/* All trap entry points _must_ begin with this macro or else you
 * lose.  It makes sure the kernel has a proper window so that
 * c-code can be called.
 */
#define SAVE_ALL_HEAD \
	sethi	%hi(trap_setup), %l4; \
	jmpl	%l4 + %lo(trap_setup), %l6;
#define SAVE_ALL \
	SAVE_ALL_HEAD \
	 nop;

/* All traps low-level code here must end with this macro. */
#define RESTORE_ALL b ret_trap_entry; clr %l6;

#endif /* !(_SPARC_ASMMACRO_H) */
OpenPOWER on IntegriCloud