/* * OpenRISC Linux * * Linux architectural port borrowing liberally from similar works of * others. All original copyrights apply as per the original source * declaration. * * OpenRISC implementation: * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef __ASM_OPENRISC_SPR_H #define __ASM_OPENRISC_SPR_H #define mtspr(_spr, _val) __asm__ __volatile__ ( \ "l.mtspr r0,%1,%0" \ : : "K" (_spr), "r" (_val)) #define mtspr_off(_spr, _off, _val) __asm__ __volatile__ ( \ "l.mtspr %0,%1,%2" \ : : "r" (_off), "r" (_val), "K" (_spr)) static inline unsigned long mfspr(unsigned long add) { unsigned long ret; __asm__ __volatile__ ("l.mfspr %0,r0,%1" : "=r" (ret) : "K" (add)); return ret; } static inline unsigned long mfspr_off(unsigned long add, unsigned long offset) { unsigned long ret; __asm__ __volatile__ ("l.mfspr %0,%1,%2" : "=r" (ret) : "r" (offset), "K" (add)); return ret; } #endif