1cd76c7513
. primary purpose is to synchronize with <ieeefp.h> which expects a fp_prec from sys/arch/x86/include/ieeefp.h
50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
/* $NetBSD: pte.h,v 1.1 2010/07/06 20:50:35 cegger Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2010 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Christoph Egger.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _X86_PTE_H
|
|
#define _X86_PTE_H
|
|
|
|
/* Cacheability bits when we are using PAT */
|
|
#define PGC_WB 0 /* The default */
|
|
#define PGC_WC PG_WT /* WT and CD is WC */
|
|
#define PGC_UCMINUS PG_N /* UC but mtrr can override */
|
|
#define PGC_UC (PG_WT | PG_N) /* hard UC */
|
|
|
|
/*
|
|
* page protection exception bits
|
|
*/
|
|
|
|
#define PGEX_P 0x01 /* protection violation (vs. no mapping) */
|
|
#define PGEX_W 0x02 /* exception during a write cycle */
|
|
#define PGEX_U 0x04 /* exception while in user mode (upl) */
|
|
#define PGEX_X 0x10 /* exception during instruction fetch */
|
|
|
|
#endif /* _X86_PTE_H */
|