source: trunk/binutils/opcodes/mips16-opc.c@ 2840

Last change on this file since 2840 was 10, checked in by bird, 23 years ago

Initial revision
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1/* mips16-opc.c. Mips16 opcode table.
2 Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
3 Contributed by Ian Lance Taylor, Cygnus Support
4
5This file is part of GDB, GAS, and the GNU binutils.
6
7GDB, GAS, and the GNU binutils are free software; you can redistribute
8them and/or modify them under the terms of the GNU General Public
9License as published by the Free Software Foundation; either version
101, or (at your option) any later version.
11
12GDB, GAS, and the GNU binutils are distributed in the hope that they
13will be useful, but WITHOUT ANY WARRANTY; without even the implied
14warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15the GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this file; see the file COPYING. If not, write to the Free
19Software Foundation, 59 Temple Place - Suite 330, Boston, MA
2002111-1307, USA. */
21
22#include <stdio.h>
23#include "sysdep.h"
24#include "opcode/mips.h"
25
26/* This is the opcodes table for the mips16 processor. The format of
27 this table is intentionally identical to the one in mips-opc.c.
28 However, the special letters that appear in the argument string are
29 different, and the table uses some different flags. */
30
31/* Use some short hand macros to keep down the length of the lines in
32 the opcodes table. */
33
34#define UBD INSN_UNCOND_BRANCH_DELAY
35#define BR MIPS16_INSN_BRANCH
36
37#define WR_x MIPS16_INSN_WRITE_X
38#define WR_y MIPS16_INSN_WRITE_Y
39#define WR_z MIPS16_INSN_WRITE_Z
40#define WR_T MIPS16_INSN_WRITE_T
41#define WR_SP MIPS16_INSN_WRITE_SP
42#define WR_31 MIPS16_INSN_WRITE_31
43#define WR_Y MIPS16_INSN_WRITE_GPR_Y
44
45#define RD_x MIPS16_INSN_READ_X
46#define RD_y MIPS16_INSN_READ_Y
47#define RD_Z MIPS16_INSN_READ_Z
48#define RD_T MIPS16_INSN_READ_T
49#define RD_SP MIPS16_INSN_READ_SP
50#define RD_31 MIPS16_INSN_READ_31
51#define RD_PC MIPS16_INSN_READ_PC
52#define RD_X MIPS16_INSN_READ_GPR_X
53
54#define WR_HI INSN_WRITE_HI
55#define WR_LO INSN_WRITE_LO
56#define RD_HI INSN_READ_HI
57#define RD_LO INSN_READ_LO
58
59#define TRAP INSN_TRAP
60
61#define I3 INSN_ISA3
62
63#define T3 INSN_3900
64
65const struct mips_opcode mips16_opcodes[] =
66{
67{"nop", "", 0x6500, 0xffff, RD_Z, 0 }, /* move $0,$Z */
68{"la", "x,A", 0x0800, 0xf800, WR_x|RD_PC, 0 },
69{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0 },
70{"addiu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
71{"addiu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
72{"addiu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
73{"addiu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
74{"addiu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
75{"addiu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
76{"addu", "z,v,y", 0xe001, 0xf803, WR_z|RD_x|RD_y, 0 },
77{"addu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
78{"addu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
79{"addu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
80{"addu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
81{"addu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
82{"addu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
83{"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0 },
84{"b", "q", 0x1000, 0xf800, BR, 0 },
85{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0 },
86{"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0 },
87{"beqz", "x,p", 0x2000, 0xf800, BR|RD_x, 0 },
88{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0 },
89{"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0 },
90{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0 },
91{"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0 },
92{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0 },
93{"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0 },
94{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0 },
95{"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0 },
96{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0 },
97{"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0 },
98{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0 },
99{"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0 },
100{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0 },
101{"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0 },
102{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0 },
103{"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0 },
104{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0 },
105{"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0 },
106{"bnez", "x,p", 0x2800, 0xf800, BR|RD_x, 0 },
107{"break", "6", 0xe805, 0xf81f, TRAP, 0 },
108{"bteqz", "p", 0x6000, 0xff00, BR|RD_T, 0 },
109{"btnez", "p", 0x6100, 0xff00, BR|RD_T, 0 },
110{"cmpi", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
111{"cmp", "x,y", 0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0 },
112{"cmp", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
113{"dla", "y,E", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
114{"daddiu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
115{"daddiu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
116{"daddiu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
117{"daddiu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
118{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
119{"daddiu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
120{"daddu", "z,v,y", 0xe000, 0xf803, WR_z|RD_x|RD_y, I3 },
121{"daddu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
122{"daddu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
123{"daddu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
124{"daddu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
125{"daddu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
126{"daddu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
127{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
128{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0 },
129{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
130{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0 },
131{"div", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
132{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0 },
133{"divu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
134{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0 },
135{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, I3 },
136{"dmult", "x,y", 0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
137{"dmultu", "x,y", 0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
138{"drem", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
139{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0 },
140{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
141{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0 },
142{"dsllv", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
143{"dsll", "x,w,[", 0x3001, 0xf803, WR_x|RD_y, I3 },
144{"dsll", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
145{"dsrav", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
146{"dsra", "y,]", 0xe813, 0xf81f, WR_y|RD_y, I3 },
147{"dsra", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
148{"dsrlv", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
149{"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, I3 },
150{"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
151{"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, I3 },
152{"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0 },
153{"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0 },
154{"exit", "L", 0xed09, 0xff1f, TRAP, 0 },
155{"exit", "L", 0xee09, 0xff1f, TRAP, 0 },
156{"exit", "L", 0xef09, 0xff1f, TRAP, 0 },
157{"entry", "l", 0xe809, 0xf81f, TRAP, 0 },
158{"extend", "e", 0xf000, 0xf800, 0, 0 },
159{"jalr", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
160{"jalr", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
161{"jal", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
162{"jal", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
163{"jal", "a", 0x1800, 0xfc00, UBD|WR_31, 0 },
164{"jalx", "a", 0x1c00, 0xfc00, UBD|WR_31, 0 },
165{"jr", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
166{"jr", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
167{"j", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
168{"j", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
169{"lb", "y,5(x)", 0x8000, 0xf800, WR_y|RD_x, 0 },
170{"lbu", "y,5(x)", 0xa000, 0xf800, WR_y|RD_x, 0 },
171{"ld", "y,D(x)", 0x3800, 0xf800, WR_y|RD_x, I3 },
172{"ld", "y,B", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
173{"ld", "y,D(P)", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
174{"ld", "y,D(S)", 0xf800, 0xff00, WR_y|RD_SP, I3 },
175{"lh", "y,H(x)", 0x8800, 0xf800, WR_y|RD_x, 0 },
176{"lhu", "y,H(x)", 0xa800, 0xf800, WR_y|RD_x, 0 },
177{"li", "x,U", 0x6800, 0xf800, WR_x, 0 },
178{"lw", "y,W(x)", 0x9800, 0xf800, WR_y|RD_x, 0 },
179{"lw", "x,A", 0xb000, 0xf800, WR_x|RD_PC, 0 },
180{"lw", "x,V(P)", 0xb000, 0xf800, WR_x|RD_PC, 0 },
181{"lw", "x,V(S)", 0x9000, 0xf800, WR_x|RD_SP, 0 },
182{"lwu", "y,W(x)", 0xb800, 0xf800, WR_y|RD_x, I3 },
183{"mfhi", "x", 0xe810, 0xf8ff, WR_x|RD_HI, 0 },
184{"mflo", "x", 0xe812, 0xf8ff, WR_x|RD_LO, 0 },
185{"move", "y,X", 0x6700, 0xff00, WR_y|RD_X, 0 },
186{"move", "Y,Z", 0x6500, 0xff00, WR_Y|RD_Z, 0 },
187{"mul", "z,v,y", 0, (int) M_MUL, INSN_MACRO, 0 },
188{"mult", "x,y", 0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
189{"multu", "x,y", 0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
190{"neg", "x,w", 0xe80b, 0xf81f, WR_x|RD_y, 0 },
191{"not", "x,w", 0xe80f, 0xf81f, WR_x|RD_y, 0 },
192{"or", "x,y", 0xe80d, 0xf81f, WR_x|RD_x|RD_y, 0 },
193{"rem", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
194{"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0 },
195{"remu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
196{"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0 },
197{"sb", "y,5(x)", 0xc000, 0xf800, RD_y|RD_x, 0 },
198{"sd", "y,D(x)", 0x7800, 0xf800, RD_y|RD_x, I3 },
199{"sd", "y,D(S)", 0xf900, 0xff00, RD_y|RD_PC, I3 },
200{"sd", "R,C(S)", 0xfa00, 0xff00, RD_31|RD_PC, 0 },
201{"sh", "y,H(x)", 0xc800, 0xf800, RD_y|RD_x, 0 },
202{"sllv", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
203{"sll", "x,w,<", 0x3000, 0xf803, WR_x|RD_y, 0 },
204{"sll", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
205{"slti", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
206{"slt", "x,y", 0xe802, 0xf81f, WR_T|RD_x|RD_y, 0 },
207{"slt", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
208{"sltiu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
209{"sltu", "x,y", 0xe803, 0xf81f, WR_T|RD_x|RD_y, 0 },
210{"sltu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
211{"srav", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
212{"sra", "x,w,<", 0x3003, 0xf803, WR_x|RD_y, 0 },
213{"sra", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
214{"srlv", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
215{"srl", "x,w,<", 0x3002, 0xf803, WR_x|RD_y, 0 },
216{"srl", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
217{"subu", "z,v,y", 0xe003, 0xf803, WR_z|RD_x|RD_y, 0 },
218{"subu", "y,x,4", 0, (int) M_SUBU_I, INSN_MACRO, 0 },
219{"subu", "x,k", 0, (int) M_SUBU_I_2, INSN_MACRO,0 },
220{"sw", "y,W(x)", 0xd800, 0xf800, RD_y|RD_x, 0 },
221{"sw", "x,V(S)", 0xd000, 0xf800, RD_x|RD_SP, 0 },
222{"sw", "R,V(S)", 0x6200, 0xff00, RD_31|RD_SP, 0 },
223{"xor", "x,y", 0xe80e, 0xf81f, WR_x|RD_x|RD_y, 0 },
224};
225
226const int bfd_mips16_num_opcodes =
227 ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
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