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/*
* plex86: run multiple x86 operating systems concurrently
* Copyright (C) 1999-2001 Kevin P. Lawton
*
* crx.h: Control Register CR0..CR4 definitions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __CRX_H__
#define __CRX_H__
typedef union {
Bit32u raw;
struct {
Bit32u pe:1;
Bit32u mp:1;
Bit32u em:1;
Bit32u ts:1;
Bit32u et:1;
Bit32u ne:1;
Bit32u R15_6:10;
Bit32u wp:1;
Bit32u R17:1;
Bit32u am:1;
Bit32u R28_19:10;
Bit32u nw:1;
Bit32u cd:1;
Bit32u pg:1;
} __attribute__ ((packed)) fields;
} __attribute__ ((packed)) cr0_t;
typedef union {
Bit32u raw;
struct {
Bit32u vme:1;
Bit32u pvi:1;
Bit32u tsd:1;
Bit32u de:1;
Bit32u pse:1;
Bit32u pae:1;
Bit32u mce:1;
Bit32u pge:1;
Bit32u pce:1;
Bit32u reserved:23;
} __attribute__ ((packed)) fields;
} __attribute__ ((packed)) cr4_t;
#endif /* #define __CRX_H__ */
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