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/* $NetBSD: psl.h,v 1.4 1994/11/25 19:08:58 ragge Exp $ */
/*
* Rewritten for the VAX port. Based on Berkeley code. /IC
*
* Copyright (c) 1982, 1986 Regents of the University of California.
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)psl.h 7.2 (Berkeley) 5/4/91
*/
#ifndef PSL_C
/*
* VAX program status longword
*/
#define PSL_C 0x00000001 /* carry bit */
#define PSL_V 0x00000002 /* overflow bit */
#define PSL_Z 0x00000004 /* zero bit */
#define PSL_N 0x00000008 /* negative bit */
/* #define PSL_ALLCC 0x0000000F /* all cc bits - unlikely */
#define PSL_T 0x00000010 /* trace enable bit */
#define PSL_IPL00 0x00000000 /* interrupt priority level 0 */
#define PSL_IPL01 0x00010000 /* interrupt priority level 1 */
#define PSL_IPL02 0x00020000 /* interrupt priority level 2 */
#define PSL_IPL03 0x00030000 /* interrupt priority level 3 */
#define PSL_IPL04 0x00040000 /* interrupt priority level 4 */
#define PSL_IPL05 0x00050000 /* interrupt priority level 5 */
#define PSL_IPL06 0x00060000 /* interrupt priority level 6 */
#define PSL_IPL07 0x00070000 /* interrupt priority level 7 */
#define PSL_IPL08 0x00080000 /* interrupt priority level 8 */
#define PSL_IPL09 0x00090000 /* interrupt priority level 9 */
#define PSL_IPL0A 0x000a0000 /* interrupt priority level 10 */
#define PSL_IPL0B 0x000b0000 /* interrupt priority level 11 */
#define PSL_IPL0C 0x000c0000 /* interrupt priority level 12 */
#define PSL_IPL0D 0x000d0000 /* interrupt priority level 13 */
#define PSL_IPL0E 0x000e0000 /* interrupt priority level 14 */
#define PSL_IPL0F 0x000f0000 /* interrupt priority level 15 */
#define PSL_IPL10 0x00100000 /* interrupt priority level 16 */
#define PSL_IPL11 0x00110000 /* interrupt priority level 17 */
#define PSL_IPL12 0x00120000 /* interrupt priority level 18 */
#define PSL_IPL13 0x00130000 /* interrupt priority level 19 */
#define PSL_IPL14 0x00140000 /* interrupt priority level 20 */
#define PSL_IPL15 0x00150000 /* interrupt priority level 21 */
#define PSL_IPL16 0x00160000 /* interrupt priority level 22 */
#define PSL_IPL17 0x00170000 /* interrupt priority level 23 */
#define PSL_IPL18 0x00180000 /* interrupt priority level 24 */
#define PSL_IPL19 0x00190000 /* interrupt priority level 25 */
#define PSL_IPL1A 0x001a0000 /* interrupt priority level 26 */
#define PSL_IPL1B 0x001b0000 /* interrupt priority level 27 */
#define PSL_IPL1C 0x001c0000 /* interrupt priority level 28 */
#define PSL_IPL1D 0x001d0000 /* interrupt priority level 29 */
#define PSL_IPL1E 0x001e0000 /* interrupt priority level 30 */
#define PSL_IPL1F 0x001f0000 /* interrupt priority level 31 */
#define PSL_PREVU 0x00c00000 /* Previous user mode */
#define PSL_K 0x00000000 /* kernel mode */
#define PSL_E 0x01000000 /* executive mode */
#define PSL_S 0x02000000 /* executive mode */
#define PSL_U 0x03000000 /* user mode */
#define PSL_IS 0x04000000 /* interrupt stack select */
#define PSL_FPD 0x04000000 /* first part done flag */
#define PSL_TP 0x40000000 /* trace pending */
#define PSL_CM 0x80000000 /* compatibility mode */
#define PSL_LOWIPL (PSL_K)
#define PSL_HIGHIPL (PSL_K | PSL_IPL1F)
#define PSL_IPL (PSL_IPL1F)
#define PSL_USER (0)
#define PSL_MBZ 0x3020ff00 /* must be zero bits */
#define PSL_USERSET (0)
#define PSL_USERCLR (PSL_S | PSL_IPL1F | PSL_MBZ)
/*
* Macros to decode processor status word.
*/
#define CLKF_USERMODE(framep) ((((framep)->ps) & (PSL_U)) == PSL_U)
#define CLKF_BASEPRI(framep) ((((framep)->ps) & (PSL_IPL1F)) == 0)
#define CLKF_PC(framep) ((framep)->pc)
#define CLKF_INTR(framep) 0
#define PSL2IPL(ps) ((ps) >> 16)
#endif
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