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1.1 ! root 1: /* ! 2: * Copyright (c) 1982 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: * @(#)instrs.h 5.1 (Berkeley) 4/30/85 ! 7: */ ! 8: ! 9: /* ! 10: * Argument data types ! 11: * ! 12: * If you change these definitions, you must also change the tables ! 13: * in assizetab.c ! 14: */ ! 15: #define TYPB 000 /* byte integer */ ! 16: #define TYPW 001 /* word integer */ ! 17: #define TYPL 002 /* long integer */ ! 18: #define TYPQ 003 /* quad integer */ ! 19: #define TYPO 004 /* octa integer */ ! 20: #define TYPF 005 /* F float */ ! 21: #define TYPD 006 /* D float */ ! 22: #define TYPG 007 /* G float */ ! 23: #define TYPH 010 /* H float */ ! 24: #define TYPUNPACKED 011 /* when unpacked into mantissa & exponent */ ! 25: #define TYPNONE 012 /* when nothing */ ! 26: #define TYPLG 4 /* number of bits the above take up */ ! 27: ! 28: #define TYPMASK ((1<<TYPLG)-1) /* the mask (assumes 2's comp arith) */ ! 29: /* ! 30: * Constructors and extractors for argument access kinds and types ! 31: */ ! 32: #define A_CONS(access, type) ((access) | (type)) ! 33: #define A_ACCEXT(consed) ((consed) & (TYPMASK << TYPLG)) ! 34: #define A_TYPEXT(consed) ((consed) & TYPMASK) ! 35: ! 36: /* ! 37: * Argument access types used to test validity of operands to operators ! 38: */ ! 39: #define ACCR (1<<TYPLG) /* read */ ! 40: #define ACCW (2<<TYPLG) /* write */ ! 41: #define ACCB (4<<TYPLG) /* branch displacement */ ! 42: #define ACCA (8<<TYPLG) /* address only */ ! 43: #define ACCV (8<<TYPLG) /* address only */ ! 44: #define ACCM (ACCR | ACCW) /* modify */ ! 45: #define ACCI (ACCB | ACCR) /* XFC code */ ! 46: ! 47: #define ACCESSMASK (ACCA | ACCR | ACCW | ACCB) /* the mask */ ! 48: ! 49: /* ! 50: * Construction of TYPX and ACCX, to make the instrs table ! 51: * easy to use and read. ! 52: */ ! 53: /* ! 54: * For real memory address ! 55: */ ! 56: #define A_AB A_CONS(ACCA, TYPB) ! 57: #define A_AW A_CONS(ACCA, TYPW) ! 58: #define A_AL A_CONS(ACCA, TYPL) ! 59: #define A_AQ A_CONS(ACCA, TYPQ) ! 60: #define A_AO A_CONS(ACCA, TYPO) ! 61: #define A_AF A_CONS(ACCA, TYPF) ! 62: #define A_AD A_CONS(ACCA, TYPD) ! 63: #define A_AG A_CONS(ACCA, TYPG) ! 64: #define A_AH A_CONS(ACCA, TYPH) ! 65: /* ! 66: * For real memory addresses, or register addresses [sic] ! 67: * ! 68: * CHEAT! we just call these read access, since ! 69: * registers are allowed. All field instruction, except insv, ! 70: * are are read access fields. ! 71: */ ! 72: #define A_VB A_CONS(ACCR, TYPB) ! 73: #define A_VW A_CONS(ACCR, TYPW) ! 74: #define A_VL A_CONS(ACCR, TYPL) ! 75: #define A_VQ A_CONS(ACCR, TYPQ) ! 76: #define A_VO A_CONS(ACCR, TYPO) ! 77: #define A_VF A_CONS(ACCR, TYPF) ! 78: #define A_VD A_CONS(ACCR, TYPD) ! 79: #define A_VG A_CONS(ACCR, TYPG) ! 80: #define A_VH A_CONS(ACCR, TYPH) ! 81: /* ! 82: * For branch displacement ! 83: */ ! 84: #define A_BB A_CONS(ACCB, TYPB) ! 85: #define A_BW A_CONS(ACCB, TYPW) ! 86: /* ! 87: * For modification ! 88: */ ! 89: #define A_MB A_CONS(ACCM, TYPB) ! 90: #define A_MW A_CONS(ACCM, TYPW) ! 91: #define A_ML A_CONS(ACCM, TYPL) ! 92: #define A_MF A_CONS(ACCM, TYPF) ! 93: #define A_MD A_CONS(ACCM, TYPD) ! 94: #define A_MG A_CONS(ACCM, TYPG) ! 95: #define A_MH A_CONS(ACCM, TYPH) ! 96: /* ! 97: * For reading ! 98: */ ! 99: #define A_RB A_CONS(ACCR, TYPB) ! 100: #define A_RW A_CONS(ACCR, TYPW) ! 101: #define A_RL A_CONS(ACCR, TYPL) ! 102: #define A_RQ A_CONS(ACCR, TYPQ) ! 103: #define A_RO A_CONS(ACCR, TYPO) ! 104: #define A_RF A_CONS(ACCR, TYPF) ! 105: #define A_RD A_CONS(ACCR, TYPD) ! 106: #define A_RG A_CONS(ACCR, TYPG) ! 107: #define A_RH A_CONS(ACCR, TYPH) ! 108: /* ! 109: * For writing ! 110: */ ! 111: #define A_WB A_CONS(ACCW, TYPB) ! 112: #define A_WW A_CONS(ACCW, TYPW) ! 113: #define A_WL A_CONS(ACCW, TYPL) ! 114: #define A_WQ A_CONS(ACCW, TYPQ) ! 115: #define A_WO A_CONS(ACCW, TYPO) ! 116: #define A_WF A_CONS(ACCW, TYPF) ! 117: #define A_WD A_CONS(ACCW, TYPD) ! 118: #define A_WG A_CONS(ACCW, TYPG) ! 119: #define A_WH A_CONS(ACCW, TYPH) ! 120: ! 121: #ifndef INSTTAB ! 122: /* ! 123: * Define what the entries in the table look like. ! 124: * This is only used for adb and sdb; not for as. ! 125: */ ! 126: #define INSTTAB ! 127: struct insttab{ ! 128: char *iname; ! 129: u_char eopcode; ! 130: u_char popcode; ! 131: char nargs; ! 132: u_char argtype[6]; ! 133: } insttab[]; ! 134: ! 135: #define OP(name,eopcode,popdcode,nargs,a1,a2,a3,a4,a5,a6) {name,eopcode,popdcode,nargs,a1,a2,a3,a4,a5,a6} ! 136: ! 137: #endif INSTTAB ! 138: ! 139: /* ! 140: * Definitions for the escape bytes ! 141: */ ! 142: #define CORE 0 ! 143: #define NEW 1 ! 144: #define ESCD 0xfd ! 145: #define ESCF 0xff
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