/* * Copyright (c) 1982, 1986 Regents of the University of California. * All rights reserved. The Berkeley software License Agreement * specifies the terms and conditions for redistribution. * * @(#)psl.h 7.1 (Berkeley) 6/5/86 */ /* * 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_IV 0x00000020 /* integer overflow enable bit */ #define PSL_FU 0x00000040 /* floating point underflow enable */ #define PSL_DV 0x00000080 /* decimal overflow enable bit */ #define PSL_IPL 0x001f0000 /* interrupt priority level */ #define PSL_PRVMOD 0x00c00000 /* previous mode (all on is user) */ #define PSL_CURMOD 0x03000000 /* current mode (all on is user) */ #define PSL_IS 0x04000000 /* interrupt stack */ #define PSL_FPD 0x08000000 /* first part done */ #define PSL_TP 0x40000000 /* trace pending */ #define PSL_CM 0x80000000 /* compatibility mode */ #define PSL_MBZ 0x3020ff00 /* must be zero bits */ #define PSL_USERSET (PSL_PRVMOD|PSL_CURMOD) #define PSL_USERCLR (PSL_IS|PSL_IPL|PSL_MBZ)