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234 lines
10 KiB
C
Executable File
234 lines
10 KiB
C
Executable File
/* Opcode table for the H8-300
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Copyright (C) 1989, 1991 Free Software Foundation.
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Written by Steve Chamberlain, steve@cygnus.com.
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This file is part of GDB, the GNU Debugger and GAS, the GNU Assembler.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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typedef enum op_type
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{
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Hex0=0,
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Hex1,Hex2,Hex3,Hex4,Hex5,Hex6,Hex7,Hex8,Hex9,HexA,HexB,HexC,HexD,HexE,HexF,
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START = 0x20,
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KBIT, /* K is #1, or #2, yielding 0x0 or 0x8 */
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IMM3, /* bit number */
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RD8, /* 8 bit reg as 2nd op */
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RD16, /* 16 bit reg as 2nd op */
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RS8, /* 8 bit reg as 1st op */
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RS16, /* 16 bit reg 1st op */
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IMM8, /* constant which fits into 8 bits */
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IMM16, /* constant which fits into 16 bits */
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CCR, /* CCR reg */
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ABS8SRC, /* abs 8 address mode */
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ABS8DST, /* abs 8 address mode */
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DISP8, /* pc rel displacement */
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ABS16SRC, /* abs 16 address mode */
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ABS16DST, /* abs 16 address mode */
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DISPSRC, /* @(r:16) address mode src */
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DISPDST, /* @(r:16) address mode dst*/
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DISPREG, /* register from DISP address mode */
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RDDEC, /* @-rn mode */
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RSINC, /* @rn+ mode */
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RDIND, /* @R mode dst */
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RSIND, /* @R mode src */
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MEMIND, /* @@r8 mode */
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IGNORE,
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B30 = 0x40, /* bit 3 must be low */
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B31 = 0x80, /* bit 3 must be high */
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E /* End of list */
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} op_type;
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struct code {
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op_type nib[9];
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} ;
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struct h8_opcode {
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int length;
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int noperands; /* Number of operands this opcode takes */
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int nopcodes; /* Number of opcodes with same mnemonic */
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char *name;
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struct code args;
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struct code data;
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int value;
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};
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struct h8_opcode h8_opcodes[]
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#ifdef DEFINE_TABLE
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#define BITOP(n,imm, name, op00, op01,op10,op11, op20,op21)\
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{ 2, 2,n, name, {imm,RD8,E}, {op00, op01, imm, RD8,E}},\
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{ 4, 2,n, name, {imm,RDIND,E}, {op10, op11, RDIND, 0, op00,op01, imm, 0,E}},\
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{ 4, 2,n, name, {imm,ABS8DST,E}, {op20, op21, ABS8DST, IGNORE, op00,op01, imm, 0,E}}
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#define EBITOP(n,imm, name, op00, op01,op10,op11, op20,op21)\
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BITOP(n,imm, name, op00+1, op01, op10,op11, op20,op21),\
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BITOP(n, RS8, name, op00, op01, op10,op11, op20,op21)
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#define BRANCH(name, op) \
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{ 2, 1, 1,name,{DISP8,E}, { Hex4, op, DISP8,IGNORE,E }}
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#define TWOOP(name, op1, op2,op3) \
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{ 2, 2, 2, name, {IMM8, RD8,E}, { op1, RD8, IMM8,IGNORE,E}},\
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{ 2, 2, 2, name, {RS8, RD8, E}, { op2, op3, RS8, RD8 ,E}}
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#define UNOP(name, op1, op2) \
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{ 2, 1, 1, name, {RS8, E}, { op1, op2, 0, RS8, E}}
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#define UNOP3(name, op1, op2, op3) \
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{2, 1, 1, name , {RS8, E}, {op1, op2, op3, RS8, E}}
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#define WTWOP(name, op1, op2) \
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{2, 2, 1, name, {RS16, RD16, E}, { op1, op2, RS16, RD16, E}}
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=
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{
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TWOOP("add.b", Hex8, Hex0,Hex8),
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WTWOP("add.w", Hex0, Hex9),
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{ 2, 2, 1, "adds", {KBIT,RD16|B30, E},{Hex0, HexB, KBIT, RD16|B30, E}},
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TWOOP("addx", Hex9,Hex0,HexE),
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TWOOP("and", HexE,Hex1,Hex6),
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{ 2, 2, 1, "andc", {IMM8, CCR, E}, { Hex0, Hex6, IMM8,IGNORE, E}},
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BITOP(3,IMM3|B30, "band", Hex7, Hex6, Hex7, HexC, Hex7, HexE),
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BRANCH("bra", Hex0),
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BRANCH("bt", Hex0),
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BRANCH("brn", Hex1),
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BRANCH("bf", Hex1),
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BRANCH("bhi", Hex2),
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BRANCH("bls", Hex3),
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BRANCH("bcc", Hex4),
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BRANCH("bhs", Hex4),
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BRANCH("bcs", Hex5),
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BRANCH("blo", Hex5),
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BRANCH("bne", Hex6),
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BRANCH("beq", Hex7),
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BRANCH("bvc", Hex8),
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BRANCH("bvs", Hex9),
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BRANCH("bpl", HexA),
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BRANCH("bmi", HexB),
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BRANCH("bge", HexC),
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BRANCH("blt", HexD),
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BRANCH("bgt", HexE),
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BRANCH("ble", HexF),
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EBITOP(6,IMM3|B30,"bclr", Hex6, Hex2, Hex7, HexD, Hex7, HexF),
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BITOP(3,IMM3|B31,"biand", Hex7, Hex6, Hex7, HexC, Hex7, HexE),
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BITOP(3,IMM3|B31, "bild", Hex7, Hex7,Hex7, HexC, Hex7, HexE),
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BITOP(3,IMM3|B31, "bior", Hex7, Hex4,Hex7, HexC, Hex7, HexE),
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BITOP(3,IMM3|B31, "bist", Hex6, Hex7,Hex7, HexD, Hex7, HexE),
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BITOP(3,IMM3|B31, "bixor", Hex7, Hex5,Hex7, HexC, Hex7, HexE),
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BITOP(3,IMM3|B30, "bld", Hex7, Hex7,Hex7, HexC, Hex7, HexE),
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EBITOP(6,IMM3|B30,"bnot", Hex6, Hex1, Hex7, HexD, Hex7, HexF),
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BITOP(3,IMM3|B30,"bor", Hex7, Hex4,Hex7, HexC, Hex7, HexE),
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EBITOP(6,IMM3|B30,"bset", Hex6, Hex0,Hex7, HexD, Hex7, HexF),
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{ 2, 1, 1, "bsr",{DISP8, E},{ Hex5, Hex5, DISP8,IGNORE, E}},
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BITOP(3,IMM3|B30, "bst", Hex6, Hex7,Hex7, HexD, Hex7, HexF),
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EBITOP(6,IMM3|B30, "btst", Hex6, Hex3,Hex7, HexC, Hex7, HexE),
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BITOP(3,IMM3|B30, "bxor", Hex7,Hex5,Hex7, HexC, Hex7, HexE),
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TWOOP( "cmp.b",HexA, Hex1, HexC),
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WTWOP( "cmp.w",Hex1,HexD),
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UNOP( "daa",Hex0, HexF),
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UNOP( "das",Hex1, HexF),
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UNOP( "dec",Hex1, HexA),
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{ 2, 2, 1, "divxu",{RS8, RD16|B30, E}, { Hex5, Hex1, RS8, RD16|B30, E}},
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{ 4, 0, 1, "eepmov",{ E}, {Hex7, HexB, Hex5, HexC, Hex5, Hex9, Hex8, HexF,E}},
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UNOP( "inc", Hex0, HexA),
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{ 2, 1, 3, "jmp",{RSIND|B30, E}, {Hex5, Hex9, RSIND|B30, Hex0, E}},
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{ 4, 1, 3, "jmp",{ABS16SRC, E}, {Hex5, HexA, Hex0, Hex0, ABS16SRC, IGNORE,IGNORE,IGNORE,E}},
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{ 2, 1, 3, "jmp",{MEMIND, E}, {Hex5, HexB, MEMIND,IGNORE, E}},
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{ 2, 1, 3, "jsr",{RSIND|B30, E}, {Hex5, HexD, RSIND|B30, Hex0, E}},
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{ 4, 1, 3, "jsr",{ABS16SRC, E}, {Hex5, HexE, Hex0, Hex0, ABS16SRC,IGNORE,IGNORE,IGNORE, E}},
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{ 2, 1, 3, "jsr",{MEMIND, E}, {Hex5, HexF, MEMIND, IGNORE,E}},
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{ 2, 2, 2, "ldc", {IMM8, CCR, E}, { Hex0, Hex7, IMM8,IGNORE, E}},
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{ 2, 2, 2, "ldc", {RS8, CCR, E}, { Hex0, Hex3, Hex0, RS8, E}},
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{ 2, 2,13, "mov.b", {RS8, RD8, E}, { Hex0, HexC, RS8, RD8, E}},
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{ 2, 2,13, "mov.b", {IMM8, RD8, E}, { HexF, RD8, IMM8,IGNORE, E}},
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{ 2, 2,13, "mov.b", {RSIND|B30,RD8, E}, { Hex6, Hex8, RSIND|B30, RD8, E}},
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{ 4, 2,13, "mov.b", {DISPSRC,RD8, E}, { Hex6, HexE, DISPREG|B30, RD8, DISPSRC, IGNORE, IGNORE, IGNORE, E}} ,
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{ 2, 2,13, "mov.b", {RSINC|B30, RD8, E}, { Hex6, HexC, RSINC|B30, RD8, E}},
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{ 4, 2,13, "mov.b", {ABS16SRC, RD8, E}, { Hex6, HexA, Hex0, RD8,ABS16SRC, IGNORE,IGNORE,IGNORE,E}},
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{ 2, 2,13, "mov.b", {ABS8SRC, RD8, E}, { Hex2, RD8, ABS8SRC,IGNORE, E}},
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{ 2, 2,13, "mov.b", {RS8, RDIND|B30, E}, { Hex6, Hex8, RDIND|B31, RS8, E}},
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{ 4, 2,13, "mov.b", {RS8, DISPDST, E}, { Hex6, HexE, DISPREG|B31, RS8,DISPDST, IGNORE, IGNORE, IGNORE, E}},
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{ 2, 2,13, "mov.b", {RS8, RDDEC|B31, E}, { Hex6, HexC, RDDEC|B31, RS8, E}},
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/* Put the 16 bit one in first so it matches first */
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{ 4, 2,13, "mov.b", {RS8, ABS16DST, E}, { Hex6, HexA, Hex8, RS8, ABS16DST,IGNORE,IGNORE,IGNORE, E}},
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{ 2, 2,13, "mov.b", {RS8, ABS8DST, E}, { Hex3, RS8, ABS8DST,IGNORE, E}},
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{ 2, 2,11, "mov.w", {RS16|B30, RD16|B30, E},{ Hex0, HexD, RS16|B30, RD16|B30, E}},
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{ 4, 2,11, "mov.w", {IMM16, RD16|B30, E}, { Hex7, Hex9, Hex0, RD16|B30, IMM16,IGNORE,IGNORE,IGNORE, E}},
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{ 2, 2,11, "mov.w", {RSIND|B30,RD16|B30, E},{ Hex6, Hex9, RSIND|B30, RD16|B30, E}},
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{ 4, 2,11, "mov.w", {DISPSRC,RD16|B30, E}, { Hex6, HexF, DISPREG|B30, RD16|B30, DISPSRC, IGNORE, IGNORE, IGNORE,E}} ,
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{ 2, 2,11, "mov.w", {RSINC|B30, RD16|B30, E}, { Hex6, HexD, RSINC|B30, RD16|B30, E}},
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{ 4, 2,11, "mov.w", {ABS16SRC, RD16|B30, E}, { Hex6, HexB, Hex0, RD16|B30,ABS16SRC,IGNORE,IGNORE,IGNORE, E}},
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{ 2, 2,11, "mov.w", {RS16|B30, RDIND|B30, E},{ Hex6, Hex9, RDIND|B31, RS16|B30, E}},
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{ 4, 2,11, "mov.w", {RS16|B30, DISPDST, E}, { Hex6, HexF, DISPREG|B31, RS16|B30,DISPDST, IGNORE,IGNORE,IGNORE,E}},
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{ 2, 2,11, "mov.w", {RS16|B30, RDDEC|B30, E},{ Hex6, HexD, RDDEC|B31, RS16|B30, E}},
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{ 4, 2,11, "mov.w", {RS16|B30, ABS16DST, E}, { Hex6, HexB, Hex8, RS16|B30, ABS16DST, IGNORE, IGNORE, IGNORE, E}},
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{ 4, 2,1, "movfpe", {ABS16SRC, RD8, E}, { Hex6, HexA, Hex4, RD8, ABS16SRC,IGNORE,IGNORE,IGNORE, E}},
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{ 4, 2,1, "movtpe", {RS8, ABS16DST, E}, { Hex6, HexA, HexC, RS8, ABS16DST,IGNORE,IGNORE,IGNORE, E}},
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{ 2, 2,1, "mulxu", {RS8, RD16|B30, E}, { Hex5, Hex0, RS8, RD16|B30, E}},
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{ 2, 1,1, "neg", {RS8, E}, { Hex1, Hex7, Hex8, RS8, E}},
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{ 2, 0,1, "nop", {E}, { Hex0, Hex0, Hex0, Hex0,E}},
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{ 2, 1,1, "not", {RS8,E}, { Hex1, Hex7, Hex0, RS8,E}},
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TWOOP("or", HexC, Hex1, Hex4),
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{ 2, 2,1, "orc", {IMM8, CCR,E}, { Hex0, Hex4, IMM8,IGNORE,E}},
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{ 2, 1,1, "pop", {RS16|B30,E}, { Hex6, HexD, Hex7, RS16|B30,E}},
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{ 2, 1,1, "push", {RS16|B30,E}, { Hex6, HexD, HexF, RS16|B30,E}},
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UNOP3( "rotl",Hex1, Hex2,Hex8),
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UNOP3( "rotr",Hex1, Hex3, Hex8),
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UNOP3( "rotxl",Hex1, Hex2, Hex0),
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UNOP3( "rotxr",Hex1, Hex3, Hex0),
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{ 2, 0, 1, "rte", {E}, { Hex5, Hex6, Hex7, Hex0,E}},
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{ 2, 0, 1, "rts", {E}, { Hex5, Hex4, Hex7, Hex0,E}},
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UNOP3( "shal", Hex1, Hex0, Hex8),
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UNOP3( "shar", Hex1, Hex1, Hex8),
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UNOP3( "shll", Hex1, Hex0, Hex0),
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UNOP3( "shlr", Hex1, Hex1, Hex0),
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{ 2, 0, 1, "sleep", {E}, { Hex0, Hex1, Hex8, Hex0,E}},
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{ 2, 2, 1, "stc", {CCR, RD8,E}, { Hex0, Hex2, Hex0, RD8,E}},
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{ 2, 2, 1, "sub.b", {RS8,RD8,E}, { Hex1, Hex8, RS8, RD8,E}},
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{ 2, 2, 1, "sub.w", {RS16|B30, RD16|B30,E}, {Hex1, Hex9, RS16|B30, RD16|B30,E}},
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{ 2, 2, 1, "subs", {KBIT,RD16|B30,E}, { Hex1, HexB, KBIT, RD16|B30,E}},
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TWOOP("subx",HexB, Hex1, HexE),
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TWOOP("xor", HexD, Hex1, Hex5),
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{ 2, 2, 1,"xorc", {IMM8, CCR,E}, { Hex0, Hex5, IMM8,IGNORE,E}},
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{ 2, 0,1, "bad 52", {E, IMM8}, { Hex5, Hex2, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 53", {E, IMM8}, { Hex5, Hex3, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 57", {E, IMM8}, { Hex5, Hex7, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 58", {E, IMM8}, { Hex5, Hex8, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 64", {E, IMM8}, { Hex6, Hex4, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 65", {E, IMM8}, { Hex6, Hex5, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 66", {E, IMM8}, { Hex6, Hex6, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 78", {E, IMM8}, { Hex7, Hex8, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 7a", {E, IMM8}, { Hex7, HexA, IMM8, IGNORE,E}},
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{ 2, 0,1, "bad 5c", {E, IMM8}, { Hex5, HexC, IMM8, IGNORE,E}},
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0
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}
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#endif
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;
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