| Stefan Kristiansson | 6e560bb | 2011-11-26 19:04:49 +0000 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2011, Julius Baxter <julius@opencores.org> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation; either version 2 of |
| 7 | * the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 17 | * MA 02111-1307 USA |
| 18 | */ |
| 19 | |
| 20 | #ifndef __ASM_OPENRISC_SYSTEM_H |
| 21 | #define __ASM_OPENRISC_SYSTEM_H |
| 22 | |
| 23 | #include <asm/spr-defs.h> |
| 24 | |
| 25 | static inline unsigned long mfspr(unsigned long add) |
| 26 | { |
| 27 | unsigned long ret; |
| 28 | |
| 29 | __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add)); |
| 30 | |
| 31 | return ret; |
| 32 | } |
| 33 | |
| 34 | static inline void mtspr(unsigned long add, unsigned long val) |
| 35 | { |
| 36 | __asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val)); |
| 37 | } |
| 38 | |
| 39 | #endif /* __ASM_OPENRISC_SYSTEM_H */ |