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Annotation of XNU/EXTERNAL_HEADERS/architecture/i386/cpu.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * Copyright (c) 1992 NeXT Computer, Inc.
                     24:  *
                     25:  * Intel386 Family:    Special processor registers.
                     26:  *
                     27:  * HISTORY
                     28:  *
                     29:  * 5 April 1992 ? at NeXT
                     30:  *     Created.
                     31:  */
                     32: 
                     33: /*
                     34:  * Control register 0
                     35:  */
                     36:  
                     37: typedef struct _cr0 {
                     38:     unsigned int       pe      :1,
                     39:                        mp      :1,
                     40:                        em      :1,
                     41:                        ts      :1,
                     42:                                :1,
                     43:                        ne      :1,
                     44:                                :10,
                     45:                        wp      :1,
                     46:                                :1,
                     47:                        am      :1,
                     48:                                :10,
                     49:                        nw      :1,
                     50:                        cd      :1,
                     51:                        pg      :1;
                     52: } cr0_t;
                     53: 
                     54: /*
                     55:  * Debugging register 6
                     56:  */
                     57: 
                     58: typedef struct _dr6 {
                     59:     unsigned int       b0      :1,
                     60:                        b1      :1,
                     61:                        b2      :1,
                     62:                        b3      :1,
                     63:                                :9,
                     64:                        bd      :1,
                     65:                        bs      :1,
                     66:                        bt      :1,
                     67:                                :16;
                     68: } dr6_t;

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