17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5f98fbcecSbholler * Common Development and Distribution License (the "License"). 6f98fbcecSbholler * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22f98fbcecSbholler * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_CPU_H 277c478bd9Sstevel@tonic-gate #define _SYS_CPU_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate /* 327c478bd9Sstevel@tonic-gate * WARNING: 337c478bd9Sstevel@tonic-gate * This header file is Obsolete and may be deleted in a 347c478bd9Sstevel@tonic-gate * future release of Solaris. 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate /* 387c478bd9Sstevel@tonic-gate * Include generic bustype cookies. 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate #include <sys/bustypes.h> 41f98fbcecSbholler #include <sys/inttypes.h> 42*843e1988Sjohnlev 43*843e1988Sjohnlev #if defined(_KERNEL) 44*843e1988Sjohnlev #if defined(__xpv) 45*843e1988Sjohnlev #include <sys/hypervisor.h> 46*843e1988Sjohnlev #endif 47*843e1988Sjohnlev #if defined(__GNUC__) && defined(_ASM_INLINES) 487c478bd9Sstevel@tonic-gate #include <asm/cpu.h> 497c478bd9Sstevel@tonic-gate #endif 50*843e1988Sjohnlev #endif /* _KERNEL */ 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #ifdef __cplusplus 537c478bd9Sstevel@tonic-gate extern "C" { 547c478bd9Sstevel@tonic-gate #endif 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate #if defined(_KERNEL) 577c478bd9Sstevel@tonic-gate extern void ht_pause(void); 587c478bd9Sstevel@tonic-gate extern void cli(void); 597c478bd9Sstevel@tonic-gate extern void sti(void); 607c478bd9Sstevel@tonic-gate extern void i86_halt(void); 61f98fbcecSbholler extern void i86_monitor(volatile uint32_t *addr, uint32_t extensions, 62f98fbcecSbholler uint32_t hints); 63f98fbcecSbholler extern void i86_mwait(uint32_t data, uint32_t extensions); 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate /* 667c478bd9Sstevel@tonic-gate * Used to insert cpu-dependent instructions into spin loops 677c478bd9Sstevel@tonic-gate */ 68*843e1988Sjohnlev #if defined(__xpv) 69*843e1988Sjohnlev extern int xpv_panicking; 70*843e1988Sjohnlev #define SMT_PAUSE() \ 71*843e1988Sjohnlev { \ 72*843e1988Sjohnlev if (IN_XPV_PANIC()) \ 73*843e1988Sjohnlev ht_pause(); \ 74*843e1988Sjohnlev else \ 75*843e1988Sjohnlev (void) HYPERVISOR_yield(); \ 76*843e1988Sjohnlev } 77*843e1988Sjohnlev 78*843e1988Sjohnlev #else 797c478bd9Sstevel@tonic-gate #define SMT_PAUSE() ht_pause() 80*843e1988Sjohnlev #endif 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate #ifdef __cplusplus 857c478bd9Sstevel@tonic-gate } 867c478bd9Sstevel@tonic-gate #endif 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #endif /* _SYS_CPU_H */ 89