1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _ASM_CPU_H 28 #define _ASM_CPU_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #if !defined(__lint) && defined(__GNUC__) 37 38 #if defined(__i386) || defined(__amd64) 39 40 extern __inline__ void ht_pause(void) 41 { 42 __asm__ __volatile__( 43 "pause"); 44 } 45 46 extern __inline__ void cli(void) 47 { 48 __asm__ __volatile__( 49 "cli" : : : "memory"); 50 } 51 52 extern __inline__ void sti(void) 53 { 54 __asm__ __volatile__( 55 "sti"); 56 } 57 58 extern __inline__ void i86_halt(void) 59 { 60 __asm__ __volatile__( 61 "sti; hlt"); 62 } 63 64 #endif /* __i386 || defined(__amd64) */ 65 66 #endif /* !__lint && __GNUC__ */ 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* _ASM_CPU_H */ 73