2 * Copyright (C) 1995, 1996 Wolfgang Solfrank.
3 * Copyright (C) 1995, 1996 TooLs GmbH.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by TooLs GmbH.
17 * 4. The name of TooLs GmbH may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * $NetBSD: pte.h,v 1.2 1998/08/31 14:43:40 tsubai Exp $
35 #ifndef _MACHINE_PTE_H_
36 #define _MACHINE_PTE_H_
42 #include <sys/queue.h>
54 #define PTE_VALID 0x80000000
55 #define PTE_VSID_SHFT 7
56 #define PTE_HID 0x00000040
57 #define PTE_API 0x0000003f
59 #define PTE_RPGN 0xfffff000
60 #define PTE_REF 0x00000100
61 #define PTE_CHG 0x00000080
62 #define PTE_WIMG 0x00000078
63 #define PTE_W 0x00000040
64 #define PTE_I 0x00000020
65 #define PTE_M 0x00000010
66 #define PTE_G 0x00000008
67 #define PTE_PP 0x00000003
68 #define PTE_SO 0x00000000 /* Super. Only (U: XX, S: RW) */
69 #define PTE_SW 0x00000001 /* Super. Write-Only (U: RO, S: RW) */
70 #define PTE_BW 0x00000002 /* Supervisor (U: RW, S: RW) */
71 #define PTE_BR 0x00000003 /* Both Read Only (U: RO, S: RO) */
75 #define PTE_EXEC 0x00000200 /* pseudo bit in attrs; page is exec */
78 typedef struct pte pte_t;
82 * Extract bits from address
84 #define ADDR_SR_SHFT 28
85 #define ADDR_PIDX 0x0ffff000
86 #define ADDR_PIDX_SHFT 12
87 #define ADDR_API_SHFT 22
88 #define ADDR_POFF 0x00000fff
100 #define DSISR_DIRECT 0x80000000
101 #define DSISR_NOTFOUND 0x40000000
102 #define DSISR_PROTECT 0x08000000
103 #define DSISR_INVRX 0x04000000
104 #define DSISR_STORE 0x02000000
105 #define DSISR_DABR 0x00400000
106 #define DSISR_SEGMENT 0x00200000
107 #define DSISR_EAR 0x00100000
110 * Bits in SRR1 on ISI:
112 #define ISSRR1_NOTFOUND 0x40000000
113 #define ISSRR1_DIRECT 0x10000000
114 #define ISSRR1_PROTECT 0x08000000
115 #define ISSRR1_SEGMENT 0x00200000
119 extern u_int dsisr(void);
122 #endif /* _MACHINE_PTE_H_ */