115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/* $NetBSD: vmparam.h,v 1.13 2002/05/09 12:28:08 uch Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by UCHIYAMA Yasushi.
|
|
*
|
|
* 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 by the NetBSD
|
|
* Foundation, Inc. and its contributors.
|
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 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 _SH3_VMPARAM_H_
|
|
#define _SH3_VMPARAM_H_
|
|
#include <sys/queue.h>
|
|
|
|
/* Virtual address map. */
|
|
#define VM_MIN_ADDRESS ((vaddr_t)0)
|
|
#define VM_MAXUSER_ADDRESS ((vaddr_t)0x7ffff000)
|
|
#define VM_MAX_ADDRESS ((vaddr_t)0x7ffff000)
|
|
#define VM_MIN_KERNEL_ADDRESS ((vaddr_t)0xc0000000)
|
|
#define VM_MAX_KERNEL_ADDRESS ((vaddr_t)0xe0000000)
|
|
|
|
/* User program text start address and top of stack */
|
|
#define USRTEXT 0x00001000
|
|
#define USRSTACK VM_MAXUSER_ADDRESS
|
|
|
|
/* Virtual memory resoruce limit. */
|
|
#define MAXTSIZ (64 * 1024 * 1024) /* max text size */
|
|
#ifndef MAXDSIZ
|
|
#define MAXDSIZ (512 * 1024 * 1024) /* max data size */
|
|
#endif
|
|
#ifndef MAXSSIZ
|
|
#define MAXSSIZ (32 * 1024 * 1024) /* max stack size */
|
|
#endif
|
|
|
|
/* initial data size limit */
|
|
#ifndef DFLDSIZ
|
|
#define DFLDSIZ (128 * 1024 * 1024)
|
|
#endif
|
|
/* initial stack size limit */
|
|
#ifndef DFLSSIZ
|
|
#define DFLSSIZ (2 * 1024 * 1024)
|
|
#endif
|
|
|
|
/*
|
|
* Size of shared memory map
|
|
*/
|
|
#ifndef SHMMAXPGS
|
|
#define SHMMAXPGS 1024
|
|
#endif
|
|
|
|
/* Size of user raw I/O map */
|
|
#ifndef USRIOSIZE
|
|
#define USRIOSIZE (MAXBSIZE / NBPG * 8)
|
|
#endif
|
|
|
|
#define VM_PHYS_SIZE (USRIOSIZE * NBPG)
|
|
|
|
/* Physical memory segments */
|
|
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
|
|
#define VM_PHYSSEG_NOADD
|
|
|
|
#define sh3_round_page(x) ((((u_int32_t)(x)) + PGOFSET) & ~PGOFSET)
|
|
#define sh3_trunc_page(x) ((u_int32_t)(x) & ~PGOFSET)
|
|
#define sh3_btop(x) ((u_int32_t)(x) >> PGSHIFT)
|
|
#define sh3_ptob(x) ((u_int32_t)(x) << PGSHIFT)
|
|
|
|
/* pmap-specific data store in the vm_page structure. */
|
|
#define __HAVE_VM_PAGE_MD
|
|
#define PVH_REFERENCED 1
|
|
#define PVH_MODIFIED 2
|
|
|
|
#ifndef _LOCORE
|
|
struct pv_entry;
|
|
struct vm_page_md {
|
|
SLIST_HEAD(, pv_entry) pvh_head;
|
|
int pvh_flags;
|
|
};
|
|
|
|
#define VM_MDPAGE_INIT(pg) \
|
|
do { \
|
|
struct vm_page_md *pvh = &(pg)->mdpage; \
|
|
SLIST_INIT(&pvh->pvh_head); \
|
|
pvh->pvh_flags = 0; \
|
|
} while (/*CONSTCOND*/0)
|
|
#endif /* _LOCORE */
|
|
#endif /* !_SH3_VMPARAM_H_ */
|