228 lines
11 KiB
C
228 lines
11 KiB
C
/* mips16-opc.c. Mips16 opcode table.
|
|
Copyright 1996, 1997, 1998, 2000 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, 59 Temple Place - Suite 330, Boston, MA
|
|
02111-1307, 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 }, /* move $0,$Z */
|
|
{"la", "x,A", 0x0800, 0xf800, WR_x|RD_PC, 0 },
|
|
{"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0 },
|
|
{"addiu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
|
|
{"addiu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
|
|
{"addiu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
|
|
{"addiu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
|
|
{"addiu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
|
|
{"addiu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
|
|
{"addu", "z,v,y", 0xe001, 0xf803, WR_z|RD_x|RD_y, 0 },
|
|
{"addu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
|
|
{"addu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
|
|
{"addu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
|
|
{"addu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
|
|
{"addu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
|
|
{"addu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
|
|
{"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0 },
|
|
{"b", "q", 0x1000, 0xf800, BR, 0 },
|
|
{"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0 },
|
|
{"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0 },
|
|
{"beqz", "x,p", 0x2000, 0xf800, BR|RD_x, 0 },
|
|
{"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0 },
|
|
{"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0 },
|
|
{"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0 },
|
|
{"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0 },
|
|
{"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0 },
|
|
{"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0 },
|
|
{"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0 },
|
|
{"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0 },
|
|
{"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0 },
|
|
{"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0 },
|
|
{"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0 },
|
|
{"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0 },
|
|
{"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0 },
|
|
{"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0 },
|
|
{"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0 },
|
|
{"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0 },
|
|
{"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0 },
|
|
{"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0 },
|
|
{"bnez", "x,p", 0x2800, 0xf800, BR|RD_x, 0 },
|
|
{"break", "6", 0xe805, 0xf81f, TRAP, 0 },
|
|
{"bteqz", "p", 0x6000, 0xff00, BR|RD_T, 0 },
|
|
{"btnez", "p", 0x6100, 0xff00, BR|RD_T, 0 },
|
|
{"cmpi", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
|
|
{"cmp", "x,y", 0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0 },
|
|
{"cmp", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
|
|
{"dla", "y,E", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
|
|
{"daddiu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
|
|
{"daddiu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
|
|
{"daddiu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
|
|
{"daddiu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
|
|
{"daddiu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
|
|
{"daddiu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
|
|
{"daddu", "z,v,y", 0xe000, 0xf803, WR_z|RD_x|RD_y, I3 },
|
|
{"daddu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
|
|
{"daddu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
|
|
{"daddu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
|
|
{"daddu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
|
|
{"daddu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
|
|
{"daddu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
|
|
{"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0 },
|
|
{"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0 },
|
|
{"div", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0 },
|
|
{"divu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0 },
|
|
{"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, I3 },
|
|
{"dmult", "x,y", 0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"dmultu", "x,y", 0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"drem", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0 },
|
|
{"dremu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
|
|
{"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0 },
|
|
{"dsllv", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsll", "x,w,[", 0x3001, 0xf803, WR_x|RD_y, I3 },
|
|
{"dsll", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsrav", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsra", "y,]", 0xe813, 0xf81f, WR_y|RD_y, I3 },
|
|
{"dsra", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsrlv", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, I3 },
|
|
{"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
|
|
{"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, I3 },
|
|
{"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0 },
|
|
{"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0 },
|
|
{"exit", "L", 0xed09, 0xff1f, TRAP, 0 },
|
|
{"exit", "L", 0xee09, 0xff1f, TRAP, 0 },
|
|
{"exit", "L", 0xef09, 0xff1f, TRAP, 0 },
|
|
{"entry", "l", 0xe809, 0xf81f, TRAP, 0 },
|
|
{"extend", "e", 0xf000, 0xf800, 0, 0 },
|
|
{"jalr", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
|
|
{"jalr", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
|
|
{"jal", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
|
|
{"jal", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
|
|
{"jal", "a", 0x1800, 0xfc00, UBD|WR_31, 0 },
|
|
{"jalx", "a", 0x1c00, 0xfc00, UBD|WR_31, 0 },
|
|
{"jr", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
|
|
{"jr", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
|
|
{"j", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
|
|
{"j", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
|
|
{"lb", "y,5(x)", 0x8000, 0xf800, WR_y|RD_x, 0 },
|
|
{"lbu", "y,5(x)", 0xa000, 0xf800, WR_y|RD_x, 0 },
|
|
{"ld", "y,D(x)", 0x3800, 0xf800, WR_y|RD_x, I3 },
|
|
{"ld", "y,B", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
|
|
{"ld", "y,D(P)", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
|
|
{"ld", "y,D(S)", 0xf800, 0xff00, WR_y|RD_SP, I3 },
|
|
{"lh", "y,H(x)", 0x8800, 0xf800, WR_y|RD_x, 0 },
|
|
{"lhu", "y,H(x)", 0xa800, 0xf800, WR_y|RD_x, 0 },
|
|
{"li", "x,U", 0x6800, 0xf800, WR_x, 0 },
|
|
{"lw", "y,W(x)", 0x9800, 0xf800, WR_y|RD_x, 0 },
|
|
{"lw", "x,A", 0xb000, 0xf800, WR_x|RD_PC, 0 },
|
|
{"lw", "x,V(P)", 0xb000, 0xf800, WR_x|RD_PC, 0 },
|
|
{"lw", "x,V(S)", 0x9000, 0xf800, WR_x|RD_SP, 0 },
|
|
{"lwu", "y,W(x)", 0xb800, 0xf800, WR_y|RD_x, I3 },
|
|
{"mfhi", "x", 0xe810, 0xf8ff, WR_x|RD_HI, 0 },
|
|
{"mflo", "x", 0xe812, 0xf8ff, WR_x|RD_LO, 0 },
|
|
{"move", "y,X", 0x6700, 0xff00, WR_y|RD_X, 0 },
|
|
{"move", "Y,Z", 0x6500, 0xff00, WR_Y|RD_Z, 0 },
|
|
{"mul", "z,v,y", 0, (int) M_MUL, INSN_MACRO, 0 },
|
|
{"mult", "x,y", 0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"multu", "x,y", 0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"neg", "x,w", 0xe80b, 0xf81f, WR_x|RD_y, 0 },
|
|
{"not", "x,w", 0xe80f, 0xf81f, WR_x|RD_y, 0 },
|
|
{"or", "x,y", 0xe80d, 0xf81f, WR_x|RD_x|RD_y, 0 },
|
|
{"rem", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0 },
|
|
{"remu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
|
|
{"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0 },
|
|
{"sb", "y,5(x)", 0xc000, 0xf800, RD_y|RD_x, 0 },
|
|
{"sd", "y,D(x)", 0x7800, 0xf800, RD_y|RD_x, I3 },
|
|
{"sd", "y,D(S)", 0xf900, 0xff00, RD_y|RD_PC, I3 },
|
|
{"sd", "R,C(S)", 0xfa00, 0xff00, RD_31|RD_PC, 0 },
|
|
{"sh", "y,H(x)", 0xc800, 0xf800, RD_y|RD_x, 0 },
|
|
{"sllv", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"sll", "x,w,<", 0x3000, 0xf803, WR_x|RD_y, 0 },
|
|
{"sll", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"slti", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
|
|
{"slt", "x,y", 0xe802, 0xf81f, WR_T|RD_x|RD_y, 0 },
|
|
{"slt", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
|
|
{"sltiu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
|
|
{"sltu", "x,y", 0xe803, 0xf81f, WR_T|RD_x|RD_y, 0 },
|
|
{"sltu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
|
|
{"srav", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"sra", "x,w,<", 0x3003, 0xf803, WR_x|RD_y, 0 },
|
|
{"sra", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"srlv", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"srl", "x,w,<", 0x3002, 0xf803, WR_x|RD_y, 0 },
|
|
{"srl", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
|
|
{"subu", "z,v,y", 0xe003, 0xf803, WR_z|RD_x|RD_y, 0 },
|
|
{"subu", "y,x,4", 0, (int) M_SUBU_I, INSN_MACRO, 0 },
|
|
{"subu", "x,k", 0, (int) M_SUBU_I_2, INSN_MACRO,0 },
|
|
{"sw", "y,W(x)", 0xd800, 0xf800, RD_y|RD_x, 0 },
|
|
{"sw", "x,V(S)", 0xd000, 0xf800, RD_x|RD_SP, 0 },
|
|
{"sw", "R,V(S)", 0x6200, 0xff00, RD_31|RD_SP, 0 },
|
|
{"xor", "x,y", 0xe80e, 0xf81f, WR_x|RD_x|RD_y, 0 },
|
|
};
|
|
|
|
const int bfd_mips16_num_opcodes =
|
|
((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
|