1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1
2 /*
3 * OpenRISC Linux
4 *
5 * Linux architectural port borrowing liberall
6 * others. All original copyrights apply as p
7 * declaration.
8 *
9 * OpenRISC implementation:
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@s
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__ __
20 "l.mtspr %0,%1,%2"
21 : : "r" (_off), "r" (_val), "K" (_spr)
22
23 static inline unsigned long mfspr(unsigned lon
24 {
25 unsigned long ret;
26 __asm__ __volatile__ ("l.mfspr %0,r0,%
27 return ret;
28 }
29
30 static inline unsigned long mfspr_off(unsigned
31 {
32 unsigned long ret;
33 __asm__ __volatile__ ("l.mfspr %0,%1,%
34
35 return ret;
36 }
37
38 #endif
39
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