Mercurial > illumos > illumos-gate
view usr/src/uts/intel/asm/mmu.h @ 13634:44267816c977
2251 kernel inlines should support gcc 4
Reviewed by: Andrew Stormont <Andrew.Stormont@nexenta.com>
Reviewed by: Milan Jurik <milan.jurik@xylab.cz>
Reviewed by: Dan McDonald <danmcd@nexenta.com>
Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Reviewed by: Gordon Ross <gwr@nexenta.com>
Approved by: Garrett D'Amore <garrett@damore.org>
author | Richard Lowe <richlowe@richlowe.net> |
---|---|
date | Sun, 15 May 2011 21:34:10 +0100 |
parents | 7d838c5c0eed |
children |
line wrap: on
line source
/* * 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 #include <sys/ccompile.h> #include <sys/types.h> #ifdef __cplusplus extern "C" { #endif #if defined(__GNUC__) && !defined(__xpv) #if defined(__amd64) extern __GNU_INLINE ulong_t getcr3(void) { uint64_t value; __asm__ __volatile__( "movq %%cr3, %0" : "=r" (value)); return (value); } extern __GNU_INLINE void setcr3(ulong_t value) { __asm__ __volatile__( "movq %0, %%cr3" : /* no output */ : "r" (value)); } extern __GNU_INLINE void reload_cr3(void) { setcr3(getcr3()); } #elif defined(__i386) extern __GNU_INLINE ulong_t getcr3(void) { uint32_t value; __asm__ __volatile__( "movl %%cr3, %0" : "=r" (value)); return (value); } extern __GNU_INLINE void setcr3(ulong_t value) { __asm__ __volatile__( "movl %0, %%cr3" : /* no output */ : "r" (value)); } extern __GNU_INLINE void reload_cr3(void) { setcr3(getcr3()); } #endif #endif /* __GNUC__ && !__xpv */ #ifdef __cplusplus } #endif #endif /* _ASM_MMU_H */