| 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 | |
| 5 | This file is part of GDB, GAS, and the GNU binutils. |
| 6 | |
| 7 | GDB, GAS, and the GNU binutils are free software; you can redistribute |
| 8 | them and/or modify them under the terms of the GNU General Public |
| 9 | License as published by the Free Software Foundation; either version |
| 10 | 1, or (at your option) any later version. |
| 11 | |
| 12 | GDB, GAS, and the GNU binutils are distributed in the hope that they |
| 13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 15 | the GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this file; see the file COPYING. If not, write to the Free |
| 19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, 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 | |
| 65 | const 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 | |
| 226 | const int bfd_mips16_num_opcodes = |
| 227 | ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0]))); |