1/*
2 * OpenRISC Linux
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others.  All original copyrights apply as per the original source
6 * declaration.
7 *
8 * OpenRISC implementation:
9 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 */
16
17#ifndef __ASM_OPENRISC_SPR_H
18#define __ASM_OPENRISC_SPR_H
19
20#define mtspr(_spr, _val) __asm__ __volatile__ (		\
21	"l.mtspr r0,%1,%0"					\
22	: : "K" (_spr), "r" (_val))
23#define mtspr_off(_spr, _off, _val) __asm__ __volatile__ (	\
24	"l.mtspr %0,%1,%2"					\
25	: : "r" (_off), "r" (_val), "K" (_spr))
26
27static inline unsigned long mfspr(unsigned long add)
28{
29	unsigned long ret;
30	__asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
31	return ret;
32}
33
34static inline unsigned long mfspr_off(unsigned long add, unsigned long offset)
35{
36	unsigned long ret;
37	__asm__ __volatile__ ("l.mfspr %0,%1,%2" : "=r" (ret)
38						 : "r" (offset), "K" (add));
39	return ret;
40}
41
42#endif
43