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/* $OpenBSD: psl.h,v 1.10 2001/12/13 08:55:51 smurph Exp $ */
/*
* Copyright (c) 1996 Nivas Madhur
* All rights reserved.
*
* 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 Nivas Madhur.
* 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.
*
*/
/*
* Mach Operating System
* Copyright (c) 1991 Carnegie Mellon University
* Copyright (c) 1991 OMRON Corporation
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
*/
#ifndef __M88K_M88100_PSL_H__
#define __M88K_M88100_PSL_H__
/*
* 88100 control registers
*/
/*
* processor identification register (PID)
*/
#define PID_ARN 0x0000FF00U /* architectural revision number */
#define PID_VN 0x000000FEU /* version number */
#define PID_MC 0x00000001U /* master/checker */
/*
* processor status register
*/
#define PSR_MODE 0x80000000U /* supervisor/user mode */
#define PSR_BO 0x40000000U /* byte-ordering 0:big 1:little */
#define PSR_SER 0x20000000U /* 88110 serial mode */
#define PSR_C 0x10000000U /* carry */
#define PSR_SGN 0x04000000U /* 88110 Signed Immediate mode */
#define PSR_SRM 0x02000000U /* 88110 Serialize Memory */
#define PSR_TRACE 0x00800000U /* 88110 hardware trace */
#define PSR_SFD 0x000003E0U /* SFU disable */
#define PSR_SFD2 0x00000010U /* 88110 SFU2 (Graphics) disable */
#define PSR_SFD1 0x00000008U /* SFU1 (FPU) disable */
#define PSR_MXM 0x00000004U /* misaligned access enable */
#define PSR_IND 0x00000002U /* interrupt disable */
#define PSR_SFRZ 0x00000001U /* shadow freeze */
/*
* This is used in ext_int() and hard_clock().
*/
#define PSR_IPL 0x00001000 /* for basepri */
#define PSR_SUPERVISOR (PSR_MODE | PSR_SFD)
#define PSR_USER (PSR_SFD)
#define PSR_SET_BY_USER (PSR_BO | PSR_SER | PSR_C | PSR_MXM)
#ifndef _LOCORE
struct psr {
unsigned
psr_mode: 1,
psr_bo : 1,
psr_ser : 1, /* mc88110 */
psr_c : 1,
: 1,
psr_sgn : 1, /* mc88110 */
psr_srm : 1, /* mc88110 */
: 1,
psr_trc : 1, /* mc88110 */
:13,
psr_sfd : 5,
psr_sfd2: 1, /* mc88110 */
psr_sfd1: 1,
psr_mxm : 1,
psr_ind : 1,
psr_sfrz: 1;
};
#endif
#define FIP_V 0x00000002U /* valid */
#define FIP_E 0x00000001U /* exception */
#define FIP_ADDR 0xFFFFFFFCU /* address mask */
#define NIP_V 0x00000002U /* valid */
#define NIP_E 0x00000001U /* exception */
#define NIP_ADDR 0xFFFFFFFCU /* address mask */
#define XIP_V 0x00000002U /* valid */
#define XIP_E 0x00000001U /* exception */
#define XIP_ADDR 0xFFFFFFFCU /* address mask */
#endif /* __M88K_M88100_PSL_H__ */
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