xref: /src/sys/arch/or1k/include/pmap.h

/* $NetBSD: pmap.h,v 1.1 2014/09/03 19:34:26 matt Exp $ */

/*-
 * Copyright (c) 2014 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Matt Thomas of 3am Software Foundry.
 *
 * 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 _OR1K_PMAP_H_
#define _OR1K_PMAP_H_

#include <sys/types.h>
#include <sys/pool.h>

#include <uvm/pmap/pmap_pv.h>
#include <uvm/uvm_pglist.h>

#define PMAP_GROWKERNEL
#define PMAP_STEAL_MEMORY

struct pmap {
	struct pool *pm_pvpool;
	struct pglist pm_pglist;
	uint16_t pm_asid;
	pmap_pv_info_t pm_pvinfo;
	struct pmap_statistics pm_stats;
};

#define __HAVE_VM_PAGE_MD

struct vm_page_md {
	uint32_t mdpg_attrs;
#define VM_PAGE_MD_MODIFIED	0x01
#define VM_PAGE_MD_REFERENCED	0x02
#define VM_PAGE_MD_EXECUTABLE	0x04
	vm_page_pv_info_t mdpg_pv;
};

#define	VM_MDPAGE_INIT(pg)			\
	do {					\
		(pg)->mdpage.mdpg_attrs = 0;	\
		VM_MDPAGE_PV_INIT(pg);		\
	} while (/*CONSTCOND*/ 0)

#endif /* !_OR1K_PMAP_H_ */