/*	$Id: pte.h,v 1.1.1.1 2003/11/08 08:41:44 wlin Exp $ *//* * Copyright (c) 2000, 2001 Opsycon AB (www.opsycon.com) *  * 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 Opsycon AB and Rtmx, Inc. * 4. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _LOCORE/* * Structure defining an tlb entry data set. */struct tlb {	int	tlb_mask;	int	tlb_hi;	int	tlb_lo0;	int	tlb_lo1;};#endif /* _LOCORE */#define	PT_ENTRY_NULL	((pt_entry_t *) 0)#define PG_WIRED	0x80000000	/* SW */#define PG_RO		0x40000000	/* SW */#define	PG_SVPN		0xfffff000	/* Software page no mask */#define	PG_HVPN		0xffffe000	/* Hardware page no mask */#define	PG_ODDPG	0x00001000	/* Odd even pte entry */#define	PG_ASID		0x000000ff	/* Address space ID */#define	PG_G		0x00000001	/* HW */#define	PG_V		0x00000002#define	PG_NV		0x00000000#define	PG_M		0x00000004#define	PG_ATTR		0x0000003f#define	PG_UNCACHED	0x00000010#define	PG_CACHED	0x00000018#define	PG_CACHEMODE	0x00000038#define	PG_ROPAGE	(PG_V | PG_RO | PG_CACHED) /* Write protected */#define	PG_RWPAGE	(PG_V | PG_M | PG_CACHED)  /* Not wr-prot not clean */#define	PG_CWPAGE	(PG_V | PG_CACHED)	   /* Not wr-prot but clean */#define	PG_IOPAGE	(PG_G | PG_V | PG_M | PG_UNCACHED)#define	PG_FRAME	0x3fffffc0#define PG_SHIFT	6#define pfn_is_ext(x) ((x) & 0x3c000000)#define vad_to_pfn(x) (((unsigned)(x) >> PG_SHIFT) & PG_FRAME)#define vad_to_pfn64(x) (((quad_t)(x) >> PG_SHIFT) & PG_FRAME)#define pfn_to_pad(x) (((x) & PG_FRAME) << PG_SHIFT)#define vad_to_vpn(x) ((unsigned)(x) & PG_SVPN)#define vpn_to_vad(x) ((x) & PG_SVPN)/* User viritual to pte page entry */#define uvtopte(adr) (((adr) >> PGSHIFT) & (NPTEPG -1))#define	PG_SIZE_4K	0x00000000#define	PG_SIZE_16K	0x00006000#define	PG_SIZE_64K	0x0001e000#define	PG_SIZE_256K	0x0007e000#define	PG_SIZE_1M	0x001fe000#define	PG_SIZE_4M	0x007fe000#define	PG_SIZE_16M	0x01ffe000#if defined(RM9000)#define PG_SIZE_64M	0x07ffe000#define PG_SIZE_256M	0x1fffe000#endif