1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * OpenRISC Linux
4 *
5 * Linux architectural port borrowing liberally from similar works of
6 * others.  All original copyrights apply as per the original source
7 * declaration.
8 *
9 * OpenRISC implementation:
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 */
12
13#ifndef __ASM_OPENRISC_SPR_H
14#define __ASM_OPENRISC_SPR_H
15
16#define mtspr(_spr, _val) __asm__ __volatile__ (		\
17	"l.mtspr r0,%1,%0"					\
18	: : "K" (_spr), "r" (_val))
19#define mtspr_off(_spr, _off, _val) __asm__ __volatile__ (	\
20	"l.mtspr %0,%1,%2"					\
21	: : "r" (_off), "r" (_val), "K" (_spr))
22
23static inline unsigned long mfspr(unsigned long add)
24{
25	unsigned long ret;
26	__asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add));
27	return ret;
28}
29
30static inline unsigned long mfspr_off(unsigned long add, unsigned long offset)
31{
32	unsigned long ret;
33	__asm__ __volatile__ ("l.mfspr %0,%1,%2" : "=r" (ret)
34						 : "r" (offset), "K" (add));
35	return ret;
36}
37
38#endif
39