Annotation of sys/arch/vax/include/psl.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: psl.h,v 1.7 2003/06/02 23:27:57 millert Exp $ */
! 2: /* $NetBSD: psl.h,v 1.6 1997/06/07 12:15:28 ragge Exp $ */
! 3:
! 4: /*
! 5: * Rewritten for the VAX port. Based on Berkeley code. /IC
! 6: *
! 7: * Copyright (c) 1982, 1986 Regents of the University of California.
! 8: * All rights reserved.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. Neither the name of the University nor the names of its contributors
! 19: * may be used to endorse or promote products derived from this software
! 20: * without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 32: * SUCH DAMAGE.
! 33: *
! 34: * @(#)psl.h 7.2 (Berkeley) 5/4/91
! 35: */
! 36:
! 37: #ifndef PSL_C
! 38:
! 39: /*
! 40: * VAX program status longword
! 41: */
! 42:
! 43: #define PSL_C 0x00000001 /* carry bit */
! 44: #define PSL_V 0x00000002 /* overflow bit */
! 45: #define PSL_Z 0x00000004 /* zero bit */
! 46: #define PSL_N 0x00000008 /* negative bit */
! 47: #define PSL_T 0x00000010 /* trace enable bit */
! 48: #define PSL_IPL00 0x00000000 /* interrupt priority level 0 */
! 49: #define PSL_IPL01 0x00010000 /* interrupt priority level 1 */
! 50: #define PSL_IPL02 0x00020000 /* interrupt priority level 2 */
! 51: #define PSL_IPL03 0x00030000 /* interrupt priority level 3 */
! 52: #define PSL_IPL04 0x00040000 /* interrupt priority level 4 */
! 53: #define PSL_IPL05 0x00050000 /* interrupt priority level 5 */
! 54: #define PSL_IPL06 0x00060000 /* interrupt priority level 6 */
! 55: #define PSL_IPL07 0x00070000 /* interrupt priority level 7 */
! 56: #define PSL_IPL08 0x00080000 /* interrupt priority level 8 */
! 57: #define PSL_IPL09 0x00090000 /* interrupt priority level 9 */
! 58: #define PSL_IPL0A 0x000a0000 /* interrupt priority level 10 */
! 59: #define PSL_IPL0B 0x000b0000 /* interrupt priority level 11 */
! 60: #define PSL_IPL0C 0x000c0000 /* interrupt priority level 12 */
! 61: #define PSL_IPL0D 0x000d0000 /* interrupt priority level 13 */
! 62: #define PSL_IPL0E 0x000e0000 /* interrupt priority level 14 */
! 63: #define PSL_IPL0F 0x000f0000 /* interrupt priority level 15 */
! 64: #define PSL_IPL10 0x00100000 /* interrupt priority level 16 */
! 65: #define PSL_IPL11 0x00110000 /* interrupt priority level 17 */
! 66: #define PSL_IPL12 0x00120000 /* interrupt priority level 18 */
! 67: #define PSL_IPL13 0x00130000 /* interrupt priority level 19 */
! 68: #define PSL_IPL14 0x00140000 /* interrupt priority level 20 */
! 69: #define PSL_IPL15 0x00150000 /* interrupt priority level 21 */
! 70: #define PSL_IPL16 0x00160000 /* interrupt priority level 22 */
! 71: #define PSL_IPL17 0x00170000 /* interrupt priority level 23 */
! 72: #define PSL_IPL18 0x00180000 /* interrupt priority level 24 */
! 73: #define PSL_IPL19 0x00190000 /* interrupt priority level 25 */
! 74: #define PSL_IPL1A 0x001a0000 /* interrupt priority level 26 */
! 75: #define PSL_IPL1B 0x001b0000 /* interrupt priority level 27 */
! 76: #define PSL_IPL1C 0x001c0000 /* interrupt priority level 28 */
! 77: #define PSL_IPL1D 0x001d0000 /* interrupt priority level 29 */
! 78: #define PSL_IPL1E 0x001e0000 /* interrupt priority level 30 */
! 79: #define PSL_IPL1F 0x001f0000 /* interrupt priority level 31 */
! 80: #define PSL_PREVU 0x00c00000 /* Previous user mode */
! 81: #define PSL_K 0x00000000 /* kernel mode */
! 82: #define PSL_E 0x01000000 /* executive mode */
! 83: #define PSL_S 0x02000000 /* supervisor mode */
! 84: #define PSL_U 0x03000000 /* user mode */
! 85: #define PSL_IS 0x04000000 /* interrupt stack select */
! 86: #define PSL_FPD 0x08000000 /* first part done flag */
! 87: #define PSL_TP 0x40000000 /* trace pending */
! 88: #define PSL_CM 0x80000000 /* compatibility mode */
! 89:
! 90: #define PSL_LOWIPL (PSL_K)
! 91: #define PSL_HIGHIPL (PSL_K | PSL_IPL1F)
! 92: #define PSL_IPL (PSL_IPL1F)
! 93: #define PSL_USER (0)
! 94:
! 95: #define PSL_MBZ 0x3020ff00 /* must be zero bits */
! 96:
! 97: #define PSL_USERSET (0)
! 98: #define PSL_USERCLR (PSL_S | PSL_IPL1F | PSL_MBZ)
! 99:
! 100: /*
! 101: * Macros to decode processor status word.
! 102: */
! 103: #define CLKF_USERMODE(framep) ((((framep)->ps) & (PSL_U)) == PSL_U)
! 104: #define CLKF_PC(framep) ((framep)->pc)
! 105: #define CLKF_INTR(framep) ((((framep)->ps) & (PSL_IS)) == PSL_IS)
! 106: #define PSL2IPL(ps) ((ps) >> 16)
! 107:
! 108: #endif
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