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pmap.h revision 1.1 
      1 /* $NetBSD: pmap.h,v 1.1 2014/08/10 05:47:38 matt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas of 3am Software Foundry.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _AARCH64_PMAP_H_
     33 #define _AARCH64_PMAP_H_
     34 
     35 #ifdef __aarch64__
     36 
     37 #include <sys/types.h>
     38 #include <sys/pool.h>
     39 
     40 #include <uvm/pmap/pmap_pv.h>
     41 #include <uvm/uvm_pglist.h>
     42 
     43 #define PMAP_GROWKERNEL
     44 #define PMAP_STEAL_MEMORY
     45 
     46 struct pmap {
     47 	struct pool *pm_pvpool;
     48 	struct pglist pm_pglist;
     49 	uint16_t pm_asid;
     50 	uint64_t pm_ttbr;
     51 	pmap_pv_info_t pm_pvinfo;
     52 	struct pmap_statistics pm_stats;
     53 };
     54 
     55 #define __HAVE_VM_PAGE_MD
     56 
     57 struct vm_page_md {
     58 	uint32_t mdpg_attrs;
     59 #define VM_PAGE_MD_MODIFIED	0x01
     60 #define VM_PAGE_MD_REFERENCED	0x02
     61 #define VM_PAGE_MD_EXECUTABLE	0x04
     62 	vm_page_pv_info_t mdpg_pv;
     63 };
     64 
     65 #define	VM_MDPAGE_INIT(pg)			\
     66 	do {					\
     67 		(pg)->mdpage.mdpg_attrs = 0;	\
     68 		VM_MDPAGE_PV_INIT(pg);		\
     69 	} while (/*CONSTCOND*/ 0)
     70 
     71 #elif defined(__arm__)
     72 
     73 #include <arm/pmap.h>
     74 
     75 #endif
     76 
     77 #endif /* !_AARCH64_PMAP_H_ */
     78