1/* 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28#ifndef _I386_MACHINE_CPU_H_ 29#define _I386_MACHINE_CPU_H_ 30 31#include <mach/mach_types.h> 32#include <mach/boolean.h> 33#include <kern/kern_types.h> 34#include <pexpert/pexpert.h> 35#include <sys/cdefs.h> 36 37__BEGIN_DECLS 38void cpu_machine_init( 39 void); 40 41void handle_pending_TLB_flushes( 42 void); 43 44int cpu_signal_handler(x86_saved_state_t *regs); 45 46kern_return_t cpu_register( 47 int *slot_nump); 48__END_DECLS 49 50static inline void cpu_halt(void) 51{ 52 asm volatile( "wbinvd; cli; hlt" ); 53} 54 55static inline void cpu_pause(void) 56{ 57 asm volatile( "rep; nop" ); 58} 59 60#endif /* _I386_MACHINE_CPU_H_ */ 61