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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _ASM_MMU_H
#define _ASM_MMU_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__GNUC__) && !defined(__xpv)
#if defined(__amd64)
extern __inline__ ulong_t getcr3(void)
{
uint64_t value;
__asm__ __volatile__(
"movq %%cr3, %0"
: "=r" (value));
return (value);
}
extern __inline__ void setcr3(ulong_t value)
{
__asm__ __volatile__(
"movq %0, %%cr3"
: /* no output */
: "r" (value));
}
extern __inline__ void reload_cr3(void)
{
setcr3(getcr3());
}
#elif defined(__i386)
extern __inline__ ulong_t getcr3(void)
{
uint32_t value;
__asm__ __volatile__(
"movl %%cr3, %0"
: "=r" (value));
return (value);
}
extern __inline__ void setcr3(ulong_t value)
{
__asm__ __volatile__(
"movl %0, %%cr3"
: /* no output */
: "r" (value));
}
extern __inline__ void reload_cr3(void)
{
setcr3(getcr3());
}
#endif
#endif /* __GNUC__ && !__xpv */
#ifdef __cplusplus
}
#endif
#endif /* _ASM_MMU_H */
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