1/* 2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_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. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23/* 24 * Copyright (c) 1992 NeXT Computer, Inc. 25 * 26 * Intel386 Family: Special processor registers. 27 * 28 * HISTORY 29 * 30 * 5 April 1992 ? at NeXT 31 * Created. 32 */ 33 34#ifndef _ARCH_I386_CPU_H_ 35#define _ARCH_I386_CPU_H_ 36 37/* 38 * Control register 0 39 */ 40 41typedef struct _cr0 { 42 unsigned int pe :1, 43 mp :1, 44 em :1, 45 ts :1, 46 :1, 47 ne :1, 48 :10, 49 wp :1, 50 :1, 51 am :1, 52 :10, 53 nw :1, 54 cd :1, 55 pg :1; 56} cr0_t; 57 58/* 59 * Debugging register 6 60 */ 61 62typedef struct _dr6 { 63 unsigned int b0 :1, 64 b1 :1, 65 b2 :1, 66 b3 :1, 67 :9, 68 bd :1, 69 bs :1, 70 bt :1, 71 :16; 72} dr6_t; 73 74#endif /* _ARCH_I386_CPU_H_ */ 75