1/* Opcode table for the TI MSP430 microcontrollers
2
3   Copyright (C) 2002-2017 Free Software Foundation, Inc.
4   Contributed by Dmitry Diky <diwil@mail.ru>
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 3, or (at your option)
9   any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21#ifndef __MSP430_H_
22#define __MSP430_H_
23
24struct msp430_operand_s
25{
26  int ol;	/* Operand length words.  */
27  int am;	/* Addr mode.  */
28  int reg;	/* Register.  */
29  int mode;	/* Operand mode.  */
30  int vshift;   /* Number of bytes to shift operand down.  */
31#define OP_REG		0
32#define OP_EXP		1
33#ifndef DASM_SECTION
34  expressionS	exp;
35#endif
36};
37
38/* Byte operation flag for all instructions.  Also used as the
39   A/L bit in the extension word to indicate a 20-bit operation.  */
40#define BYTE_OPERATION    (1 << 6)
41/* Z/C bit in the extension word.  If set the carry bit is ignored
42   for the duration of the operation, although it may be changed as
43   a result of the operation.  */
44#define IGNORE_CARRY_BIT  (1 << 8)
45
46struct  msp430_opcode_s
47{
48  const char *name;
49  int fmt;
50  int insn_opnumb;
51  int bin_opcode;
52  int bin_mask;
53};
54
55#define MSP_INSN(name, fmt, numb, bin, mask) { #name, fmt, numb, bin, mask }
56
57static struct msp430_opcode_s msp430_opcodes[] =
58{
59  MSP_INSN (and,   1, 2, 0xf000, 0xf000),
60  MSP_INSN (inv,   0, 1, 0xe330, 0xfff0),
61  MSP_INSN (xor,   1, 2, 0xe000, 0xf000),
62  MSP_INSN (setz,  0, 0, 0xd322, 0xffff),
63  MSP_INSN (setc,  0, 0, 0xd312, 0xffff),
64  MSP_INSN (eint,  0, 0, 0xd232, 0xffff),
65  MSP_INSN (setn,  0, 0, 0xd222, 0xffff),
66  MSP_INSN (bis,   1, 2, 0xd000, 0xf000),
67  MSP_INSN (clrz,  0, 0, 0xc322, 0xffff),
68  MSP_INSN (clrc,  0, 0, 0xc312, 0xffff),
69  MSP_INSN (dint,  0, 0, 0xc232, 0xffff),
70  MSP_INSN (clrn,  0, 0, 0xc222, 0xffff),
71  MSP_INSN (bic,   1, 2, 0xc000, 0xf000),
72  MSP_INSN (bit,   1, 2, 0xb000, 0xf000),
73  MSP_INSN (dadc,  0, 1, 0xa300, 0xff30),
74  MSP_INSN (dadd,  1, 2, 0xa000, 0xf000),
75  MSP_INSN (tst,   0, 1, 0x9300, 0xff30),
76  MSP_INSN (cmp,   1, 2, 0x9000, 0xf000),
77  MSP_INSN (decd,  0, 1, 0x8320, 0xff30),
78  MSP_INSN (dec,   0, 1, 0x8310, 0xff30),
79  MSP_INSN (sub,   1, 2, 0x8000, 0xf000),
80  MSP_INSN (sbc,   0, 1, 0x7300, 0xff30),
81  MSP_INSN (subc,  1, 2, 0x7000, 0xf000),
82  MSP_INSN (adc,   0, 1, 0x6300, 0xff30),
83  MSP_INSN (rlc,   0, 2, 0x6000, 0xf000),
84  MSP_INSN (addc,  1, 2, 0x6000, 0xf000),
85  MSP_INSN (incd,  0, 1, 0x5320, 0xff30),
86  MSP_INSN (inc,   0, 1, 0x5310, 0xff30),
87  MSP_INSN (rla,   0, 2, 0x5000, 0xf000),
88  MSP_INSN (add,   1, 2, 0x5000, 0xf000),
89  MSP_INSN (nop,   0, 0, 0x4303, 0xffff),
90  MSP_INSN (clr,   0, 1, 0x4300, 0xff30),
91  MSP_INSN (ret,   0, 0, 0x4130, 0xff30),
92  MSP_INSN (pop,   0, 1, 0x4130, 0xff30),
93  MSP_INSN (br,    0, 3, 0x4000, 0xf000),
94  MSP_INSN (mov,   1, 2, 0x4000, 0xf000),
95  MSP_INSN (jmp,   3, 1, 0x3c00, 0xfc00),
96  MSP_INSN (jl,    3, 1, 0x3800, 0xfc00),
97  MSP_INSN (jge,   3, 1, 0x3400, 0xfc00),
98  MSP_INSN (jn,    3, 1, 0x3000, 0xfc00),
99  MSP_INSN (jc,    3, 1, 0x2c00, 0xfc00),
100  MSP_INSN (jhs,   3, 1, 0x2c00, 0xfc00),
101  MSP_INSN (jnc,   3, 1, 0x2800, 0xfc00),
102  MSP_INSN (jlo,   3, 1, 0x2800, 0xfc00),
103  MSP_INSN (jz,    3, 1, 0x2400, 0xfc00),
104  MSP_INSN (jeq,   3, 1, 0x2400, 0xfc00),
105  MSP_INSN (jnz,   3, 1, 0x2000, 0xfc00),
106  MSP_INSN (jne,   3, 1, 0x2000, 0xfc00),
107  MSP_INSN (reti,  2, 0, 0x1300, 0xffc0),
108  MSP_INSN (call,  2, 1, 0x1280, 0xffc0),
109  MSP_INSN (push,  2, 1, 0x1200, 0xff80),
110  MSP_INSN (sxt,   2, 1, 0x1180, 0xffc0),
111  MSP_INSN (rra,   2, 1, 0x1100, 0xff80),
112  MSP_INSN (swpb,  2, 1, 0x1080, 0xffc0),
113  MSP_INSN (rrc,   2, 1, 0x1000, 0xff80),
114  /* Simple polymorphs.  */
115  MSP_INSN (beq,   4, 0, 0, 0xffff),
116  MSP_INSN (bne,   4, 1, 0, 0xffff),
117  MSP_INSN (blt,   4, 2, 0, 0xffff),
118  MSP_INSN (bltu,  4, 3, 0, 0xffff),
119  MSP_INSN (bge,   4, 4, 0, 0xffff),
120  MSP_INSN (bgeu,  4, 5, 0, 0xffff),
121  MSP_INSN (bltn,  4, 6, 0, 0xffff),
122  MSP_INSN (jump,  4, 7, 0, 0xffff),
123  /* Long polymorphs.  */
124  MSP_INSN (bgt,   5, 0, 0, 0xffff),
125  MSP_INSN (bgtu,  5, 1, 0, 0xffff),
126  MSP_INSN (bleu,  5, 2, 0, 0xffff),
127  MSP_INSN (ble,   5, 3, 0, 0xffff),
128
129  /* MSP430X instructions - these ones use an extension word.
130     A negative format indicates an MSP430X instruction.  */
131  MSP_INSN (addcx, -2, 2, 0x6000, 0xf000),
132  MSP_INSN (addx,  -2, 2, 0x5000, 0xf000),
133  MSP_INSN (andx,  -2, 2, 0xf000, 0xf000),
134  MSP_INSN (bicx,  -2, 2, 0xc000, 0xf000),
135  MSP_INSN (bisx,  -2, 2, 0xd000, 0xf000),
136  MSP_INSN (bitx,  -2, 2, 0xb000, 0xf000),
137  MSP_INSN (cmpx,  -2, 2, 0x9000, 0xf000),
138  MSP_INSN (daddx, -2, 2, 0xa000, 0xf000),
139  MSP_INSN (movx,  -2, 2, 0x4000, 0xf000),
140  MSP_INSN (subcx, -2, 2, 0x7000, 0xf000),
141  MSP_INSN (subx,  -2, 2, 0x8000, 0xf000),
142  MSP_INSN (xorx,  -2, 2, 0xe000, 0xf000),
143
144  /* MSP430X Synthetic instructions.  */
145  MSP_INSN (adcx,  -1, 1, 0x6300, 0xff30),
146  MSP_INSN (clra,  -1, 1, 0x4300, 0xff30),
147  MSP_INSN (clrx,  -1, 1, 0x4300, 0xff30),
148  MSP_INSN (dadcx, -1, 1, 0xa300, 0xff30),
149  MSP_INSN (decx,  -1, 1, 0x8310, 0xff30),
150  MSP_INSN (decda, -1, 1, 0x8320, 0xff30),
151  MSP_INSN (decdx, -1, 1, 0x8320, 0xff30),
152  MSP_INSN (incx,  -1, 1, 0x5310, 0xff30),
153  MSP_INSN (incda, -1, 1, 0x5320, 0xff30),
154  MSP_INSN (incdx, -1, 1, 0x5320, 0xff30),
155  MSP_INSN (invx,  -1, 1, 0xe330, 0xfff0),
156  MSP_INSN (popx,  -1, 1, 0x4130, 0xff30),
157  MSP_INSN (rlax,  -1, 2, 0x5000, 0xf000),
158  MSP_INSN (rlcx,  -1, 2, 0x6000, 0xf000),
159  MSP_INSN (sbcx,  -1, 1, 0x7300, 0xff30),
160  MSP_INSN (tsta,  -1, 1, 0x9300, 0xff30),
161  MSP_INSN (tstx,  -1, 1, 0x9300, 0xff30),
162
163  MSP_INSN (pushx, -3, 1, 0x1200, 0xff80),
164  MSP_INSN (rrax,  -3, 1, 0x1100, 0xff80),
165  MSP_INSN (rrcx,  -3, 1, 0x1000, 0xff80), /* Synthesised as RRC but with the Z/C bit clear.  */
166  MSP_INSN (rrux,  -3, 1, 0x1000, 0xff80), /* Synthesised as RRC but with the Z/C bit set.  */
167  MSP_INSN (swpbx, -3, 1, 0x1080, 0xffc0),
168  MSP_INSN (sxtx,  -3, 1, 0x1180, 0xffc0),
169
170  /* MSP430X Address instructions - no extension word needed.
171     The insn_opnumb field is used to encode the nature of the
172     instruction for assembly and disassembly purposes.  */
173  MSP_INSN (calla, -1, 4, 0x1300, 0xff00),
174
175  MSP_INSN (popm,  -1, 5, 0x1600, 0xfe00),
176  MSP_INSN (pushm, -1, 5, 0x1400, 0xfe00),
177
178  MSP_INSN (rrcm,  -1, 6, 0x0040, 0xf3e0),
179  MSP_INSN (rram,  -1, 6, 0x0140, 0xf3e0),
180  MSP_INSN (rlam,  -1, 6, 0x0240, 0xf3e0),
181  MSP_INSN (rrum,  -1, 6, 0x0340, 0xf3e0),
182
183  MSP_INSN (adda,  -1, 8, 0x00a0, 0xf0b0),
184  MSP_INSN (cmpa,  -1, 8, 0x0090, 0xf0b0),
185  MSP_INSN (suba,  -1, 8, 0x00b0, 0xf0b0),
186
187  MSP_INSN (reta,  -1, 9, 0x0110, 0xffff),
188  MSP_INSN (bra,   -1, 9, 0x0000, 0xf0cf),
189  MSP_INSN (mova,  -1, 9, 0x0000, 0xf080),
190  MSP_INSN (mova,  -1, 9, 0x0080, 0xf0b0),
191  MSP_INSN (mova,  -1, 9, 0x00c0, 0xf0f0),
192
193  /* Pseudo instruction to set the repeat field in the extension word.  */
194  MSP_INSN (rpt,   -1, 10, 0x0000, 0x0000),
195
196  /* End of instruction set.  */
197  { NULL, 0, 0, 0, 0 }
198};
199
200#endif
201