1 /* $OpenBSD: psl.h,v 1.6 2008/07/28 17:50:09 miod Exp $ */ 2 /* 3 * Copyright (c) 1996 Nivas Madhur 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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 Nivas Madhur. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 /* 33 * Mach Operating System 34 * Copyright (c) 1991 Carnegie Mellon University 35 * Copyright (c) 1991 OMRON Corporation 36 * All Rights Reserved. 37 * 38 * Permission to use, copy, modify and distribute this software and its 39 * documentation is hereby granted, provided that both the copyright 40 * notice and this permission notice appear in all copies of the 41 * software, derivative works or modified versions, and any portions 42 * thereof, and that both notices appear in supporting documentation. 43 * 44 */ 45 46 #ifndef __M88K_PSL_H__ 47 #define __M88K_PSL_H__ 48 49 /* 50 * 881x0 control registers 51 */ 52 53 /* 54 * processor identification register (PID) 55 */ 56 #define PID_ARN 0x0000ff00 /* architectural revision number */ 57 #define ARN_SHIFT 8 58 #define ARN_88100 0x00 59 #define ARN_88110 0x01 60 #define PID_VN 0x000000fe /* version number */ 61 #define VN_SHIFT 1 62 #define PID_MC 0x00000001 /* 88100 master/checker mode */ 63 64 /* 65 * processor status register 66 */ 67 68 #define PSR_MODE 0x80000000 /* supervisor/user mode */ 69 #define PSR_BO 0x40000000 /* byte-ordering 0:big 1:little */ 70 #define PSR_SER 0x20000000 /* 88110 serial mode */ 71 #define PSR_C 0x10000000 /* carry */ 72 #define PSR_SGN 0x04000000 /* 88110 Signed Immediate mode */ 73 #define PSR_SRM 0x02000000 /* 88110 Serialize Memory */ 74 #define PSR_TRACE 0x00800000 /* 88110 hardware trace */ 75 #define PSR_SFD 0x000003e0 /* SFU disable */ 76 #define PSR_SFD2 0x00000010 /* 88110 SFU2 (Graphics) disable */ 77 #define PSR_SFD1 0x00000008 /* SFU1 (FPU) disable */ 78 #define PSR_MXM 0x00000004 /* misaligned access enable */ 79 #define PSR_IND 0x00000002 /* interrupt disable */ 80 #define PSR_SFRZ 0x00000001 /* shadow freeze */ 81 82 /* bits userland is not allowed to change */ 83 #define PSR_USERSTATIC (PSR_MODE | PSR_BO | PSR_SGN | PSR_SRM | PSR_SFD | \ 84 PSR_MXM | PSR_IND | PSR_SFRZ) 85 86 #define FIP_V 0x00000002 /* valid */ 87 #define FIP_E 0x00000001 /* exception */ 88 #define FIP_ADDR 0xfffffffc /* address mask */ 89 #define NIP_V 0x00000002 /* valid */ 90 #define NIP_E 0x00000001 /* exception */ 91 #define NIP_ADDR 0xfffffffc /* address mask */ 92 #define XIP_V 0x00000002 /* valid */ 93 #define XIP_E 0x00000001 /* exception */ 94 #define XIP_ADDR 0xfffffffc /* address mask */ 95 96 #endif /* __M88K_PSL_H__ */ 97