1 | /* mips16-opc.c. Mips16 opcode table.
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2 | Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
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3 | Contributed by Ian Lance Taylor, Cygnus Support
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4 |
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5 | This file is part of GDB, GAS, and the GNU binutils.
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6 |
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7 | GDB, GAS, and the GNU binutils are free software; you can redistribute
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8 | them and/or modify them under the terms of the GNU General Public
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9 | License as published by the Free Software Foundation; either version
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10 | 1, or (at your option) any later version.
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11 |
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12 | GDB, GAS, and the GNU binutils are distributed in the hope that they
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13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied
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14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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15 | the GNU General Public License for more details.
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16 |
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17 | You should have received a copy of the GNU General Public License
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18 | along with this file; see the file COPYING. If not, write to the Free
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19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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20 | 02111-1307, USA. */
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21 |
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22 | #include <stdio.h>
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23 | #include "sysdep.h"
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24 | #include "opcode/mips.h"
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25 |
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26 | /* This is the opcodes table for the mips16 processor. The format of
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27 | this table is intentionally identical to the one in mips-opc.c.
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28 | However, the special letters that appear in the argument string are
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29 | different, and the table uses some different flags. */
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30 |
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31 | /* Use some short hand macros to keep down the length of the lines in
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32 | the opcodes table. */
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33 |
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34 | #define UBD INSN_UNCOND_BRANCH_DELAY
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35 | #define BR MIPS16_INSN_BRANCH
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36 |
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37 | #define WR_x MIPS16_INSN_WRITE_X
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38 | #define WR_y MIPS16_INSN_WRITE_Y
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39 | #define WR_z MIPS16_INSN_WRITE_Z
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40 | #define WR_T MIPS16_INSN_WRITE_T
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41 | #define WR_SP MIPS16_INSN_WRITE_SP
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42 | #define WR_31 MIPS16_INSN_WRITE_31
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43 | #define WR_Y MIPS16_INSN_WRITE_GPR_Y
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44 |
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45 | #define RD_x MIPS16_INSN_READ_X
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46 | #define RD_y MIPS16_INSN_READ_Y
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47 | #define RD_Z MIPS16_INSN_READ_Z
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48 | #define RD_T MIPS16_INSN_READ_T
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49 | #define RD_SP MIPS16_INSN_READ_SP
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50 | #define RD_31 MIPS16_INSN_READ_31
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51 | #define RD_PC MIPS16_INSN_READ_PC
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52 | #define RD_X MIPS16_INSN_READ_GPR_X
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53 |
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54 | #define WR_HI INSN_WRITE_HI
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55 | #define WR_LO INSN_WRITE_LO
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56 | #define RD_HI INSN_READ_HI
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57 | #define RD_LO INSN_READ_LO
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58 |
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59 | #define TRAP INSN_TRAP
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60 |
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61 | #define I3 INSN_ISA3
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62 |
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63 | #define T3 INSN_3900
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64 |
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65 | const struct mips_opcode mips16_opcodes[] =
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66 | {
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67 | {"nop", "", 0x6500, 0xffff, RD_Z, 0 }, /* move $0,$Z */
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68 | {"la", "x,A", 0x0800, 0xf800, WR_x|RD_PC, 0 },
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69 | {"abs", "x,w", 0, (int) M_ABS, INSN_MACRO, 0 },
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70 | {"addiu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
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71 | {"addiu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
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72 | {"addiu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
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73 | {"addiu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
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74 | {"addiu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
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75 | {"addiu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
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76 | {"addu", "z,v,y", 0xe001, 0xf803, WR_z|RD_x|RD_y, 0 },
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77 | {"addu", "y,x,4", 0x4000, 0xf810, WR_y|RD_x, 0 },
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78 | {"addu", "x,k", 0x4800, 0xf800, WR_x|RD_x, 0 },
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79 | {"addu", "S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
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80 | {"addu", "S,S,K", 0x6300, 0xff00, WR_SP|RD_SP, 0 },
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81 | {"addu", "x,P,V", 0x0800, 0xf800, WR_x|RD_PC, 0 },
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82 | {"addu", "x,S,V", 0x0000, 0xf800, WR_x|RD_SP, 0 },
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83 | {"and", "x,y", 0xe80c, 0xf81f, WR_x|RD_x|RD_y, 0 },
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84 | {"b", "q", 0x1000, 0xf800, BR, 0 },
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85 | {"beq", "x,y,p", 0, (int) M_BEQ, INSN_MACRO, 0 },
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86 | {"beq", "x,U,p", 0, (int) M_BEQ_I, INSN_MACRO, 0 },
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87 | {"beqz", "x,p", 0x2000, 0xf800, BR|RD_x, 0 },
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88 | {"bge", "x,y,p", 0, (int) M_BGE, INSN_MACRO, 0 },
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89 | {"bge", "x,8,p", 0, (int) M_BGE_I, INSN_MACRO, 0 },
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90 | {"bgeu", "x,y,p", 0, (int) M_BGEU, INSN_MACRO, 0 },
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91 | {"bgeu", "x,8,p", 0, (int) M_BGEU_I, INSN_MACRO, 0 },
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92 | {"bgt", "x,y,p", 0, (int) M_BGT, INSN_MACRO, 0 },
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93 | {"bgt", "x,8,p", 0, (int) M_BGT_I, INSN_MACRO, 0 },
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94 | {"bgtu", "x,y,p", 0, (int) M_BGTU, INSN_MACRO, 0 },
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95 | {"bgtu", "x,8,p", 0, (int) M_BGTU_I, INSN_MACRO, 0 },
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96 | {"ble", "x,y,p", 0, (int) M_BLE, INSN_MACRO, 0 },
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97 | {"ble", "x,8,p", 0, (int) M_BLE_I, INSN_MACRO, 0 },
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98 | {"bleu", "x,y,p", 0, (int) M_BLEU, INSN_MACRO, 0 },
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99 | {"bleu", "x,8,p", 0, (int) M_BLEU_I, INSN_MACRO, 0 },
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100 | {"blt", "x,y,p", 0, (int) M_BLT, INSN_MACRO, 0 },
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101 | {"blt", "x,8,p", 0, (int) M_BLT_I, INSN_MACRO, 0 },
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102 | {"bltu", "x,y,p", 0, (int) M_BLTU, INSN_MACRO, 0 },
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103 | {"bltu", "x,8,p", 0, (int) M_BLTU_I, INSN_MACRO, 0 },
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104 | {"bne", "x,y,p", 0, (int) M_BNE, INSN_MACRO, 0 },
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105 | {"bne", "x,U,p", 0, (int) M_BNE_I, INSN_MACRO, 0 },
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106 | {"bnez", "x,p", 0x2800, 0xf800, BR|RD_x, 0 },
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107 | {"break", "6", 0xe805, 0xf81f, TRAP, 0 },
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108 | {"bteqz", "p", 0x6000, 0xff00, BR|RD_T, 0 },
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109 | {"btnez", "p", 0x6100, 0xff00, BR|RD_T, 0 },
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110 | {"cmpi", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
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111 | {"cmp", "x,y", 0xe80a, 0xf81f, WR_T|RD_x|RD_y, 0 },
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112 | {"cmp", "x,U", 0x7000, 0xf800, WR_T|RD_x, 0 },
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113 | {"dla", "y,E", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
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114 | {"daddiu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
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115 | {"daddiu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
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116 | {"daddiu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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117 | {"daddiu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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118 | {"daddiu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
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119 | {"daddiu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
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120 | {"daddu", "z,v,y", 0xe000, 0xf803, WR_z|RD_x|RD_y, I3 },
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121 | {"daddu", "y,x,4", 0x4010, 0xf810, WR_y|RD_x, I3 },
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122 | {"daddu", "y,j", 0xfd00, 0xff00, WR_y|RD_y, I3 },
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123 | {"daddu", "S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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124 | {"daddu", "S,S,K", 0xfb00, 0xff00, WR_SP|RD_SP, I3 },
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125 | {"daddu", "y,P,W", 0xfe00, 0xff00, WR_y|RD_PC, I3 },
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126 | {"daddu", "y,S,W", 0xff00, 0xff00, WR_y|RD_SP, I3 },
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127 | {"ddiv", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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128 | {"ddiv", "z,v,y", 0, (int) M_DDIV_3, INSN_MACRO, 0 },
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129 | {"ddivu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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130 | {"ddivu", "z,v,y", 0, (int) M_DDIVU_3, INSN_MACRO, 0 },
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131 | {"div", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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132 | {"div", "z,v,y", 0, (int) M_DIV_3, INSN_MACRO, 0 },
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133 | {"divu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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134 | {"divu", "z,v,y", 0, (int) M_DIVU_3, INSN_MACRO, 0 },
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135 | {"dmul", "z,v,y", 0, (int) M_DMUL, INSN_MACRO, I3 },
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136 | {"dmult", "x,y", 0xe81c, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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137 | {"dmultu", "x,y", 0xe81d, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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138 | {"drem", "0,x,y", 0xe81e, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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139 | {"drem", "z,v,y", 0, (int) M_DREM_3, INSN_MACRO, 0 },
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140 | {"dremu", "0,x,y", 0xe81f, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, I3 },
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141 | {"dremu", "z,v,y", 0, (int) M_DREMU_3, INSN_MACRO, 0 },
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142 | {"dsllv", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
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143 | {"dsll", "x,w,[", 0x3001, 0xf803, WR_x|RD_y, I3 },
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144 | {"dsll", "y,x", 0xe814, 0xf81f, WR_y|RD_y|RD_x, I3 },
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145 | {"dsrav", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
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146 | {"dsra", "y,]", 0xe813, 0xf81f, WR_y|RD_y, I3 },
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147 | {"dsra", "y,x", 0xe817, 0xf81f, WR_y|RD_y|RD_x, I3 },
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148 | {"dsrlv", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
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149 | {"dsrl", "y,]", 0xe808, 0xf81f, WR_y|RD_y, I3 },
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150 | {"dsrl", "y,x", 0xe816, 0xf81f, WR_y|RD_y|RD_x, I3 },
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151 | {"dsubu", "z,v,y", 0xe002, 0xf803, WR_z|RD_x|RD_y, I3 },
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152 | {"dsubu", "y,x,4", 0, (int) M_DSUBU_I, INSN_MACRO, 0 },
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153 | {"dsubu", "y,j", 0, (int) M_DSUBU_I_2, INSN_MACRO, 0 },
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154 | {"exit", "L", 0xed09, 0xff1f, TRAP, 0 },
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155 | {"exit", "L", 0xee09, 0xff1f, TRAP, 0 },
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156 | {"exit", "L", 0xef09, 0xff1f, TRAP, 0 },
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157 | {"entry", "l", 0xe809, 0xf81f, TRAP, 0 },
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158 | {"extend", "e", 0xf000, 0xf800, 0, 0 },
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159 | {"jalr", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
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160 | {"jalr", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
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161 | {"jal", "x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
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162 | {"jal", "R,x", 0xe840, 0xf8ff, UBD|WR_31|RD_x, 0 },
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163 | {"jal", "a", 0x1800, 0xfc00, UBD|WR_31, 0 },
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164 | {"jalx", "a", 0x1c00, 0xfc00, UBD|WR_31, 0 },
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165 | {"jr", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
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166 | {"jr", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
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167 | {"j", "x", 0xe800, 0xf8ff, UBD|RD_x, 0 },
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168 | {"j", "R", 0xe820, 0xffff, UBD|RD_31, 0 },
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169 | {"lb", "y,5(x)", 0x8000, 0xf800, WR_y|RD_x, 0 },
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170 | {"lbu", "y,5(x)", 0xa000, 0xf800, WR_y|RD_x, 0 },
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171 | {"ld", "y,D(x)", 0x3800, 0xf800, WR_y|RD_x, I3 },
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172 | {"ld", "y,B", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
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173 | {"ld", "y,D(P)", 0xfc00, 0xff00, WR_y|RD_PC, I3 },
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174 | {"ld", "y,D(S)", 0xf800, 0xff00, WR_y|RD_SP, I3 },
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175 | {"lh", "y,H(x)", 0x8800, 0xf800, WR_y|RD_x, 0 },
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176 | {"lhu", "y,H(x)", 0xa800, 0xf800, WR_y|RD_x, 0 },
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177 | {"li", "x,U", 0x6800, 0xf800, WR_x, 0 },
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178 | {"lw", "y,W(x)", 0x9800, 0xf800, WR_y|RD_x, 0 },
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179 | {"lw", "x,A", 0xb000, 0xf800, WR_x|RD_PC, 0 },
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180 | {"lw", "x,V(P)", 0xb000, 0xf800, WR_x|RD_PC, 0 },
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181 | {"lw", "x,V(S)", 0x9000, 0xf800, WR_x|RD_SP, 0 },
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182 | {"lwu", "y,W(x)", 0xb800, 0xf800, WR_y|RD_x, I3 },
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183 | {"mfhi", "x", 0xe810, 0xf8ff, WR_x|RD_HI, 0 },
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184 | {"mflo", "x", 0xe812, 0xf8ff, WR_x|RD_LO, 0 },
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185 | {"move", "y,X", 0x6700, 0xff00, WR_y|RD_X, 0 },
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186 | {"move", "Y,Z", 0x6500, 0xff00, WR_Y|RD_Z, 0 },
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187 | {"mul", "z,v,y", 0, (int) M_MUL, INSN_MACRO, 0 },
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188 | {"mult", "x,y", 0xe818, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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189 | {"multu", "x,y", 0xe819, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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190 | {"neg", "x,w", 0xe80b, 0xf81f, WR_x|RD_y, 0 },
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191 | {"not", "x,w", 0xe80f, 0xf81f, WR_x|RD_y, 0 },
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192 | {"or", "x,y", 0xe80d, 0xf81f, WR_x|RD_x|RD_y, 0 },
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193 | {"rem", "0,x,y", 0xe81a, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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194 | {"rem", "z,v,y", 0, (int) M_REM_3, INSN_MACRO, 0 },
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195 | {"remu", "0,x,y", 0xe81b, 0xf81f, RD_x|RD_y|WR_HI|WR_LO, 0 },
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196 | {"remu", "z,v,y", 0, (int) M_REMU_3, INSN_MACRO, 0 },
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197 | {"sb", "y,5(x)", 0xc000, 0xf800, RD_y|RD_x, 0 },
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198 | {"sd", "y,D(x)", 0x7800, 0xf800, RD_y|RD_x, I3 },
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199 | {"sd", "y,D(S)", 0xf900, 0xff00, RD_y|RD_PC, I3 },
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200 | {"sd", "R,C(S)", 0xfa00, 0xff00, RD_31|RD_PC, 0 },
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201 | {"sh", "y,H(x)", 0xc800, 0xf800, RD_y|RD_x, 0 },
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202 | {"sllv", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
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203 | {"sll", "x,w,<", 0x3000, 0xf803, WR_x|RD_y, 0 },
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204 | {"sll", "y,x", 0xe804, 0xf81f, WR_y|RD_y|RD_x, 0 },
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205 | {"slti", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
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206 | {"slt", "x,y", 0xe802, 0xf81f, WR_T|RD_x|RD_y, 0 },
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207 | {"slt", "x,8", 0x5000, 0xf800, WR_T|RD_x, 0 },
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208 | {"sltiu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
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209 | {"sltu", "x,y", 0xe803, 0xf81f, WR_T|RD_x|RD_y, 0 },
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210 | {"sltu", "x,8", 0x5800, 0xf800, WR_T|RD_x, 0 },
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211 | {"srav", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
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212 | {"sra", "x,w,<", 0x3003, 0xf803, WR_x|RD_y, 0 },
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213 | {"sra", "y,x", 0xe807, 0xf81f, WR_y|RD_y|RD_x, 0 },
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214 | {"srlv", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
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215 | {"srl", "x,w,<", 0x3002, 0xf803, WR_x|RD_y, 0 },
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216 | {"srl", "y,x", 0xe806, 0xf81f, WR_y|RD_y|RD_x, 0 },
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217 | {"subu", "z,v,y", 0xe003, 0xf803, WR_z|RD_x|RD_y, 0 },
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218 | {"subu", "y,x,4", 0, (int) M_SUBU_I, INSN_MACRO, 0 },
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219 | {"subu", "x,k", 0, (int) M_SUBU_I_2, INSN_MACRO,0 },
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220 | {"sw", "y,W(x)", 0xd800, 0xf800, RD_y|RD_x, 0 },
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221 | {"sw", "x,V(S)", 0xd000, 0xf800, RD_x|RD_SP, 0 },
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222 | {"sw", "R,V(S)", 0x6200, 0xff00, RD_31|RD_SP, 0 },
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223 | {"xor", "x,y", 0xe80e, 0xf81f, WR_x|RD_x|RD_y, 0 },
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224 | };
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225 |
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226 | const int bfd_mips16_num_opcodes =
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227 | ((sizeof mips16_opcodes) / (sizeof (mips16_opcodes[0])));
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