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

 
 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