uboot-vybrid_public/arch/openrisc/include/asm/system.h

/*
 * (C) Copyright 2011, Julius Baxter <julius@opencores.org>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __ASM_OPENRISC_SYSTEM_H
#define __ASM_OPENRISC_SYSTEM_H

#include <asm/spr-defs.h>

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 void mtspr(unsigned long add, unsigned long val)
{
	__asm__ __volatile__ ("l.mtspr r0,%1,%0" : : "K" (add), "r" (val));
}

#endif /* __ASM_OPENRISC_SYSTEM_H */