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      1 /* $NetBSD: pmap.h,v 1.1 2014/09/03 19:34:26 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 _OR1K_PMAP_H_
     33 #define _OR1K_PMAP_H_
     34 
     35 #include <sys/types.h>
     36 #include <sys/pool.h>
     37 
     38 #include <uvm/pmap/pmap_pv.h>
     39 #include <uvm/uvm_pglist.h>
     40 
     41 #define PMAP_GROWKERNEL
     42 #define PMAP_STEAL_MEMORY
     43 
     44 struct pmap {
     45 	struct pool *pm_pvpool;
     46 	struct pglist pm_pglist;
     47 	uint16_t pm_asid;
     48 	pmap_pv_info_t pm_pvinfo;
     49 	struct pmap_statistics pm_stats;
     50 };
     51 
     52 #define __HAVE_VM_PAGE_MD
     53 
     54 struct vm_page_md {
     55 	uint32_t mdpg_attrs;
     56 #define VM_PAGE_MD_MODIFIED	0x01
     57 #define VM_PAGE_MD_REFERENCED	0x02
     58 #define VM_PAGE_MD_EXECUTABLE	0x04
     59 	vm_page_pv_info_t mdpg_pv;
     60 };
     61 
     62 #define	VM_MDPAGE_INIT(pg)			\
     63 	do {					\
     64 		(pg)->mdpage.mdpg_attrs = 0;	\
     65 		VM_MDPAGE_PV_INIT(pg);		\
     66 	} while (/*CONSTCOND*/ 0)
     67 
     68 #endif /* !_OR1K_PMAP_H_ */
     69