You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
3.4 KiB
93 lines
3.4 KiB
/* $Id: pte.h,v 1.1.1.1 2006/06/29 06:43:25 cpu 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
|
|
|