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/* mips16-opc.c. Mips16 opcode table.
Copyright 1996, 1997, 1998, 2000, 2005 Free Software Foundation, Inc.
Contributed by Ian Lance Taylor, Cygnus Support
This file is part of GDB, GAS, and the GNU binutils.
GDB, GAS, and the GNU binutils are free software; you can redistribute
them and/or modify them 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, GAS, and the GNU binutils are distributed in the hope that they
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 this file; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
#include <stdio.h>
#include "sysdep.h"
#include "opcode/mips.h"
/* This is the opcodes table for the mips16 processor. The format of
this table is intentionally identical to the one in mips-opc.c.
However, the special letters that appear in the argument string are
different, and the table uses some different flags. */
/* Use some short hand macros to keep down the length of the lines in
the opcodes table. */
#define UBD INSN_UNCOND_BRANCH_DELAY
#define BR MIPS16_INSN_BRANCH
#define WR_x MIPS16_INSN_WRITE_X
#define WR_y MIPS16_INSN_WRITE_Y
#define WR_z MIPS16_INSN_WRITE_Z
#define WR_T MIPS16_INSN_WRITE_T
#define WR_SP MIPS16_INSN_WRITE_SP
#define WR_31 MIPS16_INSN_WRITE_31
#define WR_Y MIPS16_INSN_WRITE_GPR_Y
#define RD_x MIPS16_INSN_READ_X
#define RD_y MIPS16_INSN_READ_Y
#define RD_Z MIPS16_INSN_READ_Z
#define RD_T MIPS16_INSN_READ_T
#define RD_SP MIPS16_INSN_READ_SP
#define RD_31 MIPS16_INSN_READ_31
#define RD_PC MIPS16_INSN_READ_PC
#define RD_X MIPS16_INSN_READ_GPR_X
#define WR_HI INSN_WRITE_HI
#define WR_LO INSN_WRITE_LO
#define RD_HI INSN_READ_HI
#define RD_LO INSN_READ_LO
#define TRAP INSN_TRAP
#define I3 INSN_ISA3
#define T3 INSN_3900
const struct mips_opcode mips16_opcodes[] =
{
{"nop", "", 0x6500, 0xffff, RD_Z, 0, 0 }, /* move $0,$Z */
{"la", "x,A", 0x0800, 0xf800, WR_x|RD_PC, 0, 0 },
{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0, 0 },
{"addiu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0, 0 },
{"addiu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0, 0 },
{"addiu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, 0 },
{"addiu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, 0 },
{"addiu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0, 0 },
{"addiu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0, 0 },
{"addu", "z,v,y", 0xe001, 0xf803, WR_z|RD_x|RD_y, 0, 0 },
{"addu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0, 0 },
{"addu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0, 0 },
{"addu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, 0 },
{"addu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0, 0 },
{"addu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0, 0 },
{"addu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0, 0 },
{"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0, 0 },
{"b", "q", 0x1000, 0xf800, BR, 0, 0 },
{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0, 0 },
{"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0, 0 },
{"beqz", "x,p", 0x2000, 0xf800, BR|RD_x, 0, 0 },
{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0, 0 },
{"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0, 0 },
{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0, 0 },
{"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0, 0 },
{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0, 0 },
{"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0, 0 },
{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0, 0 },
{"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0, 0 },
{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0, 0 },
{"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0, 0 },
{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0, 0 },
{"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0, 0 },
{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0, 0 },
{"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0, 0 },
{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0, 0 },
{"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0, 0 },
{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0, 0 },
{"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0, 0 },
{"bnez", "x,p", 0x2800, 0xf800, BR|RD_x, 0, 0 },
{"break", "6", 0xe805, 0xf81f, TRAP, 0, 0 },
{"bteqz", "p", 0x6000, 0xff00, BR|RD_T, 0, 0 },
{"btnez", "p", 0x6100, 0xff00, BR|RD_T, 0, 0 },
{"cmpi", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0, 0 },
{"cmp", "x,y", 0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0, 0 },
{"cmp", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0, 0 },
{"dla", "y,E", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
{"daddiu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, 0, I3 },
{"daddiu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, 0, I3 },
{"daddiu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
{"daddiu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
{"daddiu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, 0, I3 },
{"daddu", "z,v,y", 0xe000, 0xf803, WR_z|RD_x|RD_y, 0, I3 },
{"daddu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, 0, I3 },
{"daddu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, 0, I3 },
{"daddu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
{"daddu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, 0, I3 },
{"daddu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, 0, I3 },
{"daddu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, 0, I3 },
{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0, 0 },
{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0, 0 },
{"div", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0, 0 },
{"divu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0, 0 },
{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, 0, I3 },
{"dmult", "x,y", 0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"dmultu", "x,y", 0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"drem", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0, 0 },
{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, I3 },
{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0, 0 },
{"dsllv", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsll", "x,w,[", 0x3001, 0xf803, WR_x|RD_y, 0, I3 },
{"dsll", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsrav", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsra", "y,]", 0xe813, 0xf81f, WR_y|RD_y, 0, I3 },
{"dsra", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsrlv", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, 0, I3 },
{"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, 0, I3 },
{"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, 0, I3 },
{"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0, 0 },
{"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0, 0 },
{"exit", "L", 0xed09, 0xff1f, TRAP, 0, 0 },
{"exit", "L", 0xee09, 0xff1f, TRAP, 0, 0 },
{"exit", "L", 0xef09, 0xff1f, TRAP, 0, 0 },
{"entry", "l", 0xe809, 0xf81f, TRAP, 0, 0 },
{"extend", "e", 0xf000, 0xf800, 0, 0, 0 },
{"jalr", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, 0 },
{"jalr", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, 0 },
{"jal", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, 0 },
{"jal", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0, 0 },
{"jal", "a", 0x1800, 0xfc00, UBD|WR_31, 0, 0 },
{"jalx", "a", 0x1c00, 0xfc00, UBD|WR_31, 0, 0 },
{"jr", "x", 0xe800, 0xf8ff, UBD|RD_x, 0, 0 },
{"jr", "R", 0xe820, 0xffff, UBD|RD_31, 0, 0 },
{"j", "x", 0xe800, 0xf8ff, UBD|RD_x, 0, 0 },
{"j", "R", 0xe820, 0xffff, UBD|RD_31, 0, 0 },
{"lb", "y,5(x)", 0x8000, 0xf800, WR_y|RD_x, 0, 0 },
{"lbu", "y,5(x)", 0xa000, 0xf800, WR_y|RD_x, 0, 0 },
{"ld", "y,D(x)", 0x3800, 0xf800, WR_y|RD_x, 0, I3 },
{"ld", "y,B", 0xfc00, 0xff00, WR_y|RD_PC, 0, I3 },
{"ld", "y,D(P)", 0xfc00, 0xff00, WR_y|RD_PC, 0, I3 },
{"ld", "y,D(S)", 0xf800, 0xff00, WR_y|RD_SP, 0, I3 },
{"lh", "y,H(x)", 0x8800, 0xf800, WR_y|RD_x, 0, 0 },
{"lhu", "y,H(x)", 0xa800, 0xf800, WR_y|RD_x, 0, 0 },
{"li", "x,U", 0x6800, 0xf800, WR_x, 0, 0 },
{"lw", "y,W(x)", 0x9800, 0xf800, WR_y|RD_x, 0, 0 },
{"lw", "x,A", 0xb000, 0xf800, WR_x|RD_PC, 0, 0 },
{"lw", "x,V(P)", 0xb000, 0xf800, WR_x|RD_PC, 0, 0 },
{"lw", "x,V(S)", 0x9000, 0xf800, WR_x|RD_SP, 0, 0 },
{"lwu", "y,W(x)", 0xb800, 0xf800, WR_y|RD_x, 0, I3 },
{"mfhi", "x", 0xe810, 0xf8ff, WR_x|RD_HI, 0, 0 },
{"mflo", "x", 0xe812, 0xf8ff, WR_x|RD_LO, 0, 0 },
{"move", "y,X", 0x6700, 0xff00, WR_y|RD_X, 0, 0 },
{"move", "Y,Z", 0x6500, 0xff00, WR_Y|RD_Z, 0, 0 },
{"mul", "z,v,y", 0, (int) M_MUL, INSN_MACRO, 0, 0 },
{"mult", "x,y", 0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"multu", "x,y", 0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"neg", "x,w", 0xe80b, 0xf81f, WR_x|RD_y, 0, 0 },
{"not", "x,w", 0xe80f, 0xf81f, WR_x|RD_y, 0, 0 },
{"or", "x,y", 0xe80d, 0xf81f, WR_x|RD_x|RD_y, 0, 0 },
{"rem", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0, 0 },
{"remu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0, 0 },
{"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0, 0 },
{"sb", "y,5(x)", 0xc000, 0xf800, RD_y|RD_x, 0, 0 },
{"sd", "y,D(x)", 0x7800, 0xf800, RD_y|RD_x, 0, I3 },
{"sd", "y,D(S)", 0xf900, 0xff00, RD_y|RD_PC, 0, I3 },
{"sd", "R,C(S)", 0xfa00, 0xff00, RD_31|RD_PC, 0, 0 },
{"sh", "y,H(x)", 0xc800, 0xf800, RD_y|RD_x, 0, 0 },
{"sllv", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"sll", "x,w,<", 0x3000, 0xf803, WR_x|RD_y, 0, 0 },
{"sll", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"slti", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0, 0 },
{"slt", "x,y", 0xe802, 0xf81f, WR_T|RD_x|RD_y, 0, 0 },
{"slt", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0, 0 },
{"sltiu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0, 0 },
{"sltu", "x,y", 0xe803, 0xf81f, WR_T|RD_x|RD_y, 0, 0 },
{"sltu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0, 0 },
{"srav", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"sra", "x,w,<", 0x3003, 0xf803, WR_x|RD_y, 0, 0 },
{"sra", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"srlv", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"srl", "x,w,<", 0x3002, 0xf803, WR_x|RD_y, 0, 0 },
{"srl", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0, 0 },
{"subu", "z,v,y", 0xe003, 0xf803, WR_z|RD_x|RD_y, 0, 0 },
{"subu", "y,x,4", 0, (int) M_SUBU_I, INSN_MACRO, 0, 0 },
{"subu", "x,k", 0, (int) M_SUBU_I_2, INSN_MACRO,0, 0 },
{"sw", "y,W(x)", 0xd800, 0xf800, RD_y|RD_x, 0, 0 },
{"sw", "x,V(S)", 0xd000, 0xf800, RD_x|RD_SP, 0, 0 },
{"sw", "R,V(S)", 0x6200, 0xff00, RD_31|RD_SP, 0, 0 },
{"xor", "x,y", 0xe80e, 0xf81f, WR_x|RD_x|RD_y, 0, 0 },
};
const int bfd_mips16_num_opcodes =
((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
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