60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*-
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* Copyright (c) 2006 Kip Macy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_WSTATE_H_
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#define _MACHINE_WSTATE_H_
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/*
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* Window State Register (WSTATE)
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*
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* |------------|
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* |OTHER|NORMAL|
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* |-----|------|
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* 5 3 2 0
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*/
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#define WSTATE_BAD 0 /* unused */
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#define WSTATE_U32 1 /* 32b stack */
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#define WSTATE_U64 2 /* 64b stack */
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#define WSTATE_CLEAN32 3 /* cleanwin workaround, 32b stack */
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#define WSTATE_CLEAN64 4 /* cleanwin workaround, 64b stack */
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#define WSTATE_K32 5 /* priv 32b stack */
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#define WSTATE_K64 6 /* priv 64b stack */
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#define WSTATE_KMIX 7 /* priv mixed stack */
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#define WSTATE_CLEAN_OFFSET 2
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#define WSTATE_SHIFT 3 /* normal-to-other shift */
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#define WSTATE_MASK 7 /* mask for each set */
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#define WSTATE(o, n) (((o) << WSTATE_SHIFT) | (n))
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#define WSTATE_USER32 WSTATE(WSTATE_BAD, WSTATE_U32)
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#define WSTATE_USER64 WSTATE(WSTATE_BAD, WSTATE_U64)
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#define WSTATE_KERN WSTATE(WSTATE_U32, WSTATE_K64)
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#endif /* !_MACHINE_WSTATE_H_ */
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