99 lines
4.0 KiB
C
99 lines
4.0 KiB
C
/*
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* Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* @OSF_COPYRIGHT@
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990,1989 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*/
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/*
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*/
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#ifndef _I386_EFLAGS_H_
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#define _I386_EFLAGS_H_
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#if defined (__i386__) || defined (__x86_64__)
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/*
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* i386 flags register
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*/
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#ifndef EFL_CF
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#define EFL_CF 0x00000001 /* carry */
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#define EFL_PF 0x00000004 /* parity of low 8 bits */
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#define EFL_AF 0x00000010 /* carry out of bit 3 */
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#define EFL_ZF 0x00000040 /* zero */
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#define EFL_SF 0x00000080 /* sign */
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#define EFL_TF 0x00000100 /* trace trap */
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#define EFL_IF 0x00000200 /* interrupt enable */
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#define EFL_DF 0x00000400 /* direction */
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#define EFL_OF 0x00000800 /* overflow */
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#define EFL_IOPL 0x00003000 /* IO privilege level: */
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#define EFL_IOPL_KERNEL 0x00000000 /* kernel */
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#define EFL_IOPL_USER 0x00003000 /* user */
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#define EFL_NT 0x00004000 /* nested task */
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#define EFL_RF 0x00010000 /* resume without tracing */
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#define EFL_VM 0x00020000 /* virtual 8086 mode */
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#define EFL_AC 0x00040000 /* alignment check */
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#define EFL_VIF 0x00080000 /* virtual interrupt flag */
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#define EFL_VIP 0x00100000 /* virtual interrupt pending */
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#define EFL_ID 0x00200000 /* cpuID instruction */
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#endif
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#define EFL_CLR 0xfff88028
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#define EFL_SET 0x00000002
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#define EFL_USER_SET (EFL_IF)
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#define EFL_USER_CLEAR (EFL_IOPL|EFL_NT|EFL_RF)
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#endif /* defined (__i386__) || defined (__x86_64__) */
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#endif /* _I386_EFLAGS_H_ */
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