xref: /netbsd-src/sys/arch/x86/include/pat.h (revision 7992cd8dd6b95f70ebee92db4498d07431362631)
1*7992cd8dSriastradh /*	$NetBSD: pat.h,v 1.1 2022/08/20 23:13:51 riastradh Exp $	*/
2*7992cd8dSriastradh 
3*7992cd8dSriastradh /*-
4*7992cd8dSriastradh  * Copyright (c) 2022 The NetBSD Foundation, Inc.
5*7992cd8dSriastradh  * All rights reserved.
6*7992cd8dSriastradh  *
7*7992cd8dSriastradh  * Redistribution and use in source and binary forms, with or without
8*7992cd8dSriastradh  * modification, are permitted provided that the following conditions
9*7992cd8dSriastradh  * are met:
10*7992cd8dSriastradh  * 1. Redistributions of source code must retain the above copyright
11*7992cd8dSriastradh  *    notice, this list of conditions and the following disclaimer.
12*7992cd8dSriastradh  * 2. Redistributions in binary form must reproduce the above copyright
13*7992cd8dSriastradh  *    notice, this list of conditions and the following disclaimer in the
14*7992cd8dSriastradh  *    documentation and/or other materials provided with the distribution.
15*7992cd8dSriastradh  *
16*7992cd8dSriastradh  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17*7992cd8dSriastradh  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18*7992cd8dSriastradh  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19*7992cd8dSriastradh  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20*7992cd8dSriastradh  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21*7992cd8dSriastradh  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22*7992cd8dSriastradh  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23*7992cd8dSriastradh  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24*7992cd8dSriastradh  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25*7992cd8dSriastradh  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26*7992cd8dSriastradh  * POSSIBILITY OF SUCH DAMAGE.
27*7992cd8dSriastradh  */
28*7992cd8dSriastradh 
29*7992cd8dSriastradh #ifndef	_X86_PAT_H_
30*7992cd8dSriastradh #define	_X86_PAT_H_
31*7992cd8dSriastradh 
32*7992cd8dSriastradh #define	PATENTRY(n, type)	((type) << ((n) * 8))
33*7992cd8dSriastradh #define	PAT_UC			0x0ULL
34*7992cd8dSriastradh #define	PAT_WC			0x1ULL
35*7992cd8dSriastradh #define	PAT_WT			0x4ULL
36*7992cd8dSriastradh #define	PAT_WP			0x5ULL
37*7992cd8dSriastradh #define	PAT_WB			0x6ULL
38*7992cd8dSriastradh #define	PAT_UCMINUS		0x7ULL
39*7992cd8dSriastradh 
40*7992cd8dSriastradh #endif	/* _X86_PAT_H_ */
41