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