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/* $OpenBSD: cpuconf.h,v 1.16 2016/03/22 23:35:01 patrick Exp $ */
/* $NetBSD: cpuconf.h,v 1.7 2003/05/23 00:57:24 ichiro Exp $ */
/*
* Copyright (c) 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Jason R. Thorpe for Wasabi Systems, Inc.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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 _ARM_CPUCONF_H_
#define _ARM_CPUCONF_H_
/*
* IF YOU CHANGE THIS FILE, MAKE SURE TO UPDATE THE DEFINITION OF
* "PMAP_NEEDS_PTE_SYNC" IN <arm/arm/pmap.h> FOR THE CPU TYPE
* YOU ARE ADDING SUPPORT FOR.
*/
/*
* Determine which ARM architecture versions are configured.
*/
#if (defined(CPU_XSCALE_80321) || defined(CPU_XSCALE_PXA2X0))
#define ARM_ARCH_5 1
#else
#define ARM_ARCH_5 0
#endif
#if defined(CPU_ARMv7)
#define ARM_ARCH_7 1
#else
#define ARM_ARCH_7 0
#endif
/*
* Define which MMU classes are configured:
*
* ARM_MMU_GENERIC Generic ARM MMU, compatible with ARM6.
*
* ARM_MMU_XSCALE XScale MMU. Compatible with generic ARM
* MMU, but also has several extensions which
* require different PTE layout to use.
* ARM_MMU_V7 v6/v7 MMU with XP bit enabled subpage
* protection is not used, TEX/AP is used instead.
*/
#if defined(CPU_ARMv7)
#define ARM_MMU_GENERIC 1
#else
#define ARM_MMU_GENERIC 0
#endif
#if (defined(CPU_XSCALE_80321) || defined(CPU_XSCALE_PXA2X0))
#define ARM_MMU_XSCALE 1
#else
#define ARM_MMU_XSCALE 0
#endif
#if defined(CPU_ARMv7)
#define ARM_MMU_V7 1
#else
#define ARM_MMU_V7 0
#endif
#define ARM_NMMUS (ARM_MMU_GENERIC + \
ARM_MMU_XSCALE + ARM_MMU_V7)
/*
* Define features that may be present on a subset of CPUs
*
* ARM_XSCALE_PMU Performance Monitoring Unit on 80321
*/
#if defined(CPU_XSCALE_80321)
#define ARM_XSCALE_PMU 1
#else
#define ARM_XSCALE_PMU 0
#endif
#endif /* _ARM_CPUCONF_H_ */
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