DEFS.h

Macros

ASENTRY           X
CHAR              X
CONST             X
DEC_GLOBAL        X
DEC_LOCAL         X
ENTRY             X
HIGH              X
HIPRI             X
INT               X
INTSTK            X
NET               X
NETPRI            X
PROFCODE          X
P_ASENTRY         X
P_ENTRY           X
SPACE             X
SPL7              X
SPLHIGH           X
SPLLOW            X
SPLNET            X
STRING            X
_DEFS_            X
mfpd              X
mtpd              X

   1: /*
   2:  * Copyright (c) 1987 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:  *	@(#)DEFS.h	1.2 (2.11BSD GTE) 12/24/92
   7:  */
   8: 
   9: #ifndef _DEFS_
  10: #define _DEFS_
  11: /*
  12:  * Machine language assist.  Uses the C preprocessor to produce suitable code
  13:  * for various 11's.
  14:  */
  15: #include "localopts.h"
  16: #include "assym.h"
  17: 
  18: #define INTSTK  500.                    /* bytes for interrupt stack */
  19: 
  20: #ifdef PROF
  21: #	define        HIGH    06              /* See also the :splfix files */
  22: #	define        HIPRI   0300            /* Many spl's are done in-line */
  23: #else
  24: #	define        HIGH    07
  25: #	define        HIPRI   0340
  26: #endif
  27: 
  28: #	define        NET     02
  29: #	define        NETPRI  0100
  30: 
  31: /*
  32:  * adapt to any 11 at boot
  33:  */
  34: #ifdef  GENERIC
  35: #	undef NONSEPARATE     /* Enable support for separate I&D if found */
  36: #endif
  37: 
  38: #ifdef NONSEPARATE              /* 11/40, 34, 23, 24 */
  39: #	define mfpd           mfpi
  40: #	define mtpd           mtpi
  41: #endif
  42: 
  43: #if defined(GENERIC) || defined(SUPERVISOR) || defined(NONSEPARATE)
  44:         /*
  45: 	 * GENERIC: movb instruction are available on all PDP-11s.
  46: 	 *
  47: 	 * SUPERVISOR: can't use spl instructions even if the machine
  48: 	 * supports them since spl is a privileged instruction.
  49: 	 */
  50: #	define        SPLHIGH         movb    $HIPRI,PS
  51: #	define        SPL7            movb    $0340,PS
  52: #	define        SPLLOW          clrb    PS
  53: #	define        SPLNET          movb    $NETPRI,PS
  54: #else
  55: #	define SPLHIGH                spl     HIGH
  56: #	define SPL7           spl     7
  57: #	define SPLLOW         spl     0
  58: #	define SPLNET         spl     NET
  59: #endif
  60: 
  61: 
  62: #define CONST(s, x, v)  DEC_/**/s(x); x=v;
  63: #define INT(s, x, v)    .data; .even; DEC_/**/s(x); x:; v; .text;
  64: #define CHAR(s, x, v)   .data; DEC_/**/s(x); x:; .byte v; .text;
  65: #define STRING(s, x, v) .data; DEC_/**/s(x); x:; v; .text;
  66: #define SPACE(s, x, n)  .bss;  .even; DEC_/**/s(x); x:; .=.+[n]; .text;
  67: 
  68: #define DEC_GLOBAL(x)   .globl x;
  69: #define DEC_LOCAL(x)
  70: 
  71: /*
  72:  * Macros for compatibility with standard library routines that we have
  73:  * copies of ...
  74:  */
  75: #define ENTRY(x)        .globl _/**/x; _/**/x:;
  76: #define ASENTRY(x)      .globl x; x:;
  77: 
  78: #define P_ENTRY(x)      .globl _/**/x; _/**/x:; PROFCODE;
  79: #define P_ASENTRY(x)    .globl x; x:; PROFCODE;
  80: 
  81: /*
  82:  * PROFCODE:
  83:  * - kernel profiling not currently implemented.
  84:  */
  85: #define PROFCODE        ;
  86: #endif _DEFS_