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 _SYS_CPU_H 28 #define _SYS_CPU_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * WARNING: 34 * This header file is Obsolete and may be deleted in a 35 * future release of Solaris. 36 */ 37 38 /* 39 * Include generic bustype cookies. 40 */ 41 #include <sys/bustypes.h> 42 #if defined(__GNUC__) && defined(_ASM_INLINES) && defined(_KERNEL) 43 #include <asm/cpu.h> 44 #endif 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 #if defined(_KERNEL) 51 extern void ht_pause(void); 52 extern void cli(void); 53 extern void sti(void); 54 extern void i86_halt(void); 55 56 /* 57 * Used to insert cpu-dependent instructions into spin loops 58 */ 59 #define SMT_PAUSE() ht_pause() 60 61 #endif /* _KERNEL */ 62 63 #ifdef __cplusplus 64 } 65 #endif 66 67 #endif /* _SYS_CPU_H */ 68