psl.h

Macros

PSL_ALLCC         X
PSL_C             X
PSL_CM            X
PSL_CURMOD        X
PSL_DV            X
PSL_FPD           X
PSL_FU            X
PSL_IPL           X
PSL_IS            X
PSL_IV            X
PSL_MBZ           X
PSL_N             X
PSL_PRVMOD        X
PSL_T             X
PSL_TP            X
PSL_USERCLR       X
PSL_USERSET       X
PSL_V             X
PSL_Z             X

   1: /*
   2:  * Copyright (c) 1982, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)psl.h	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: /*
  10:  * VAX program status longword
  11:  */
  12: 
  13: #define PSL_C       0x00000001  /* carry bit */
  14: #define PSL_V       0x00000002  /* overflow bit */
  15: #define PSL_Z       0x00000004  /* zero bit */
  16: #define PSL_N       0x00000008  /* negative bit */
  17: #define PSL_ALLCC   0x0000000f  /* all cc bits - unlikely */
  18: #define PSL_T       0x00000010  /* trace enable bit */
  19: #define PSL_IV      0x00000020  /* integer overflow enable bit */
  20: #define PSL_FU      0x00000040  /* floating point underflow enable */
  21: #define PSL_DV      0x00000080  /* decimal overflow enable bit */
  22: #define PSL_IPL     0x001f0000  /* interrupt priority level */
  23: #define PSL_PRVMOD  0x00c00000  /* previous mode (all on is user) */
  24: #define PSL_CURMOD  0x03000000  /* current mode (all on is user) */
  25: #define PSL_IS      0x04000000  /* interrupt stack */
  26: #define PSL_FPD     0x08000000  /* first part done */
  27: #define PSL_TP      0x40000000  /* trace pending */
  28: #define PSL_CM      0x80000000  /* compatibility mode */
  29: 
  30: #define PSL_MBZ     0x3020ff00  /* must be zero bits */
  31: 
  32: #define PSL_USERSET (PSL_PRVMOD|PSL_CURMOD)
  33: #define PSL_USERCLR (PSL_IS|PSL_IPL|PSL_MBZ)