1 /* Altera Nios II opcode list. 2 Copyright (C) 2012-2016 Free Software Foundation, Inc. 3 Contributed by Nigel Gray (ngray (at) altera.com). 4 Contributed by Mentor Graphics, Inc. 5 6 This file is part of the GNU opcodes library. 7 8 This library is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3, or (at your option) 11 any later version. 12 13 It is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this file; see the file COPYING. If not, write to the 20 Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23 #include "sysdep.h" 24 #include <stdio.h> 25 #include "opcode/nios2.h" 26 27 /* Register string table */ 28 29 const struct nios2_reg nios2_builtin_regs[] = { 30 /* Standard register names. */ 31 {"zero", 0, REG_NORMAL}, 32 {"at", 1, REG_NORMAL}, /* assembler temporary */ 33 {"r2", 2, REG_NORMAL | REG_3BIT | REG_LDWM}, 34 {"r3", 3, REG_NORMAL | REG_3BIT | REG_LDWM}, 35 {"r4", 4, REG_NORMAL | REG_3BIT | REG_LDWM}, 36 {"r5", 5, REG_NORMAL | REG_3BIT | REG_LDWM}, 37 {"r6", 6, REG_NORMAL | REG_3BIT | REG_LDWM}, 38 {"r7", 7, REG_NORMAL | REG_3BIT | REG_LDWM}, 39 {"r8", 8, REG_NORMAL | REG_LDWM}, 40 {"r9", 9, REG_NORMAL | REG_LDWM}, 41 {"r10", 10, REG_NORMAL | REG_LDWM}, 42 {"r11", 11, REG_NORMAL | REG_LDWM}, 43 {"r12", 12, REG_NORMAL | REG_LDWM}, 44 {"r13", 13, REG_NORMAL | REG_LDWM}, 45 {"r14", 14, REG_NORMAL | REG_LDWM}, 46 {"r15", 15, REG_NORMAL | REG_LDWM}, 47 {"r16", 16, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP}, 48 {"r17", 17, REG_NORMAL | REG_3BIT | REG_LDWM | REG_POP}, 49 {"r18", 18, REG_NORMAL | REG_LDWM | REG_POP}, 50 {"r19", 19, REG_NORMAL | REG_LDWM | REG_POP}, 51 {"r20", 20, REG_NORMAL | REG_LDWM | REG_POP}, 52 {"r21", 21, REG_NORMAL | REG_LDWM | REG_POP}, 53 {"r22", 22, REG_NORMAL | REG_LDWM | REG_POP}, 54 {"r23", 23, REG_NORMAL | REG_LDWM | REG_POP}, 55 {"et", 24, REG_NORMAL}, 56 {"bt", 25, REG_NORMAL}, 57 {"gp", 26, REG_NORMAL}, /* global pointer */ 58 {"sp", 27, REG_NORMAL}, /* stack pointer */ 59 {"fp", 28, REG_NORMAL | REG_LDWM | REG_POP}, /* frame pointer */ 60 {"ea", 29, REG_NORMAL}, /* exception return address */ 61 {"sstatus", 30, REG_NORMAL}, /* saved processor status */ 62 {"ra", 31, REG_NORMAL | REG_LDWM | REG_POP}, /* return address */ 63 64 /* Alternative names for special registers. */ 65 {"r0", 0, REG_NORMAL}, 66 {"r1", 1, REG_NORMAL}, 67 {"r24", 24, REG_NORMAL}, 68 {"r25", 25, REG_NORMAL}, 69 {"r26", 26, REG_NORMAL}, 70 {"r27", 27, REG_NORMAL}, 71 {"r28", 28, REG_NORMAL | REG_LDWM | REG_POP}, 72 {"r29", 29, REG_NORMAL}, 73 {"r30", 30, REG_NORMAL}, 74 {"ba", 30, REG_NORMAL}, /* breakpoint return address */ 75 {"r31", 31, REG_NORMAL | REG_LDWM | REG_POP}, 76 77 /* Control register names. */ 78 {"status", 0, REG_CONTROL}, 79 {"estatus", 1, REG_CONTROL}, 80 {"bstatus", 2, REG_CONTROL}, 81 {"ienable", 3, REG_CONTROL}, 82 {"ipending", 4, REG_CONTROL}, 83 {"cpuid", 5, REG_CONTROL}, 84 {"ctl6", 6, REG_CONTROL}, 85 {"exception", 7, REG_CONTROL}, 86 {"pteaddr", 8, REG_CONTROL}, 87 {"tlbacc", 9, REG_CONTROL}, 88 {"tlbmisc", 10, REG_CONTROL}, 89 {"eccinj", 11, REG_CONTROL}, 90 {"badaddr", 12, REG_CONTROL}, 91 {"config", 13, REG_CONTROL}, 92 {"mpubase", 14, REG_CONTROL}, 93 {"mpuacc", 15, REG_CONTROL}, 94 {"ctl16", 16, REG_CONTROL}, 95 {"ctl17", 17, REG_CONTROL}, 96 {"ctl18", 18, REG_CONTROL}, 97 {"ctl19", 19, REG_CONTROL}, 98 {"ctl20", 20, REG_CONTROL}, 99 {"ctl21", 21, REG_CONTROL}, 100 {"ctl22", 22, REG_CONTROL}, 101 {"ctl23", 23, REG_CONTROL}, 102 {"ctl24", 24, REG_CONTROL}, 103 {"ctl25", 25, REG_CONTROL}, 104 {"ctl26", 26, REG_CONTROL}, 105 {"ctl27", 27, REG_CONTROL}, 106 {"ctl28", 28, REG_CONTROL}, 107 {"ctl29", 29, REG_CONTROL}, 108 {"ctl30", 30, REG_CONTROL}, 109 {"ctl31", 31, REG_CONTROL}, 110 111 /* Alternative names for special control registers. */ 112 {"ctl0", 0, REG_CONTROL}, 113 {"ctl1", 1, REG_CONTROL}, 114 {"ctl2", 2, REG_CONTROL}, 115 {"ctl3", 3, REG_CONTROL}, 116 {"ctl4", 4, REG_CONTROL}, 117 {"ctl5", 5, REG_CONTROL}, 118 {"ctl7", 7, REG_CONTROL}, 119 {"ctl8", 8, REG_CONTROL}, 120 {"ctl9", 9, REG_CONTROL}, 121 {"ctl10", 10, REG_CONTROL}, 122 {"ctl11", 11, REG_CONTROL}, 123 {"ctl12", 12, REG_CONTROL}, 124 {"ctl13", 13, REG_CONTROL}, 125 {"ctl14", 14, REG_CONTROL}, 126 {"ctl15", 15, REG_CONTROL}, 127 128 /* Coprocessor register names. */ 129 {"c0", 0, REG_COPROCESSOR}, 130 {"c1", 1, REG_COPROCESSOR}, 131 {"c2", 2, REG_COPROCESSOR}, 132 {"c3", 3, REG_COPROCESSOR}, 133 {"c4", 4, REG_COPROCESSOR}, 134 {"c5", 5, REG_COPROCESSOR}, 135 {"c6", 6, REG_COPROCESSOR}, 136 {"c7", 7, REG_COPROCESSOR}, 137 {"c8", 8, REG_COPROCESSOR}, 138 {"c9", 9, REG_COPROCESSOR}, 139 {"c10", 10, REG_COPROCESSOR}, 140 {"c11", 11, REG_COPROCESSOR}, 141 {"c12", 12, REG_COPROCESSOR}, 142 {"c13", 13, REG_COPROCESSOR}, 143 {"c14", 14, REG_COPROCESSOR}, 144 {"c15", 15, REG_COPROCESSOR}, 145 {"c16", 16, REG_COPROCESSOR}, 146 {"c17", 17, REG_COPROCESSOR}, 147 {"c18", 18, REG_COPROCESSOR}, 148 {"c19", 19, REG_COPROCESSOR}, 149 {"c20", 20, REG_COPROCESSOR}, 150 {"c21", 21, REG_COPROCESSOR}, 151 {"c22", 22, REG_COPROCESSOR}, 152 {"c23", 23, REG_COPROCESSOR}, 153 {"c24", 24, REG_COPROCESSOR}, 154 {"c25", 25, REG_COPROCESSOR}, 155 {"c26", 26, REG_COPROCESSOR}, 156 {"c27", 27, REG_COPROCESSOR}, 157 {"c28", 28, REG_COPROCESSOR}, 158 {"c29", 29, REG_COPROCESSOR}, 159 {"c30", 30, REG_COPROCESSOR}, 160 {"c31", 31, REG_COPROCESSOR}, 161 }; 162 163 #define NIOS2_NUM_REGS \ 164 ((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0]))) 165 const int nios2_num_builtin_regs = NIOS2_NUM_REGS; 166 167 /* This is not const in order to allow for dynamic extensions to the 168 built-in instruction set. */ 169 struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs; 170 int nios2_num_regs = NIOS2_NUM_REGS; 171 #undef NIOS2_NUM_REGS 172 173 /* This is the opcode table used by the Nios II GNU as, disassembler 174 and GDB. */ 175 const struct nios2_opcode nios2_r1_opcodes[] = 176 { 177 /* { name, args, args_test, num_args, size, format, 178 match, mask, pinfo, overflow } */ 179 {"add", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 180 MATCH_R1_ADD, MASK_R1_ADD, 0, no_overflow}, 181 {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 182 MATCH_R1_ADDI, MASK_R1_ADDI, 0, signed_immed16_overflow}, 183 {"and", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 184 MATCH_R1_AND, MASK_R1_AND, 0, no_overflow}, 185 {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 186 MATCH_R1_ANDHI, MASK_R1_ANDHI, 0, unsigned_immed16_overflow}, 187 {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 188 MATCH_R1_ANDI, MASK_R1_ANDI, 0, unsigned_immed16_overflow}, 189 {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 190 MATCH_R1_BEQ, MASK_R1_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow}, 191 {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 192 MATCH_R1_BGE, MASK_R1_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow}, 193 {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 194 MATCH_R1_BGEU, MASK_R1_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow}, 195 {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 196 MATCH_R1_BGT, MASK_R1_BGT, 197 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 198 {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 199 MATCH_R1_BGTU, MASK_R1_BGTU, 200 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 201 {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 202 MATCH_R1_BLE, MASK_R1_BLE, 203 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 204 {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 205 MATCH_R1_BLEU, MASK_R1_BLEU, 206 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 207 {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 208 MATCH_R1_BLT, MASK_R1_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow}, 209 {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 210 MATCH_R1_BLTU, MASK_R1_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow}, 211 {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_i_type, 212 MATCH_R1_BNE, MASK_R1_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow}, 213 {"br", "o", "o,E", 1, 4, iw_i_type, 214 MATCH_R1_BR, MASK_R1_BR, NIOS2_INSN_UBRANCH, branch_target_overflow}, 215 {"break", "j", "j,E", 1, 4, iw_r_type, 216 MATCH_R1_BREAK, MASK_R1_BREAK, NIOS2_INSN_OPTARG, no_overflow}, 217 {"bret", "", "E", 0, 4, iw_r_type, 218 MATCH_R1_BRET, MASK_R1_BRET, 0, no_overflow}, 219 {"call", "m", "m,E", 1, 4, iw_j_type, 220 MATCH_R1_CALL, MASK_R1_CALL, NIOS2_INSN_CALL, call_target_overflow}, 221 {"callr", "s", "s,E", 1, 4, iw_r_type, 222 MATCH_R1_CALLR, MASK_R1_CALLR, 0, no_overflow}, 223 {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 224 MATCH_R1_CMPEQ, MASK_R1_CMPEQ, 0, no_overflow}, 225 {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 226 MATCH_R1_CMPEQI, MASK_R1_CMPEQI, 0, signed_immed16_overflow}, 227 {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 228 MATCH_R1_CMPGE, MASK_R1_CMPGE, 0, no_overflow}, 229 {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 230 MATCH_R1_CMPGEI, MASK_R1_CMPGEI, 0, signed_immed16_overflow}, 231 {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 232 MATCH_R1_CMPGEU, MASK_R1_CMPGEU, 0, no_overflow}, 233 {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 234 MATCH_R1_CMPGEUI, MASK_R1_CMPGEUI, 0, unsigned_immed16_overflow}, 235 {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 236 MATCH_R1_CMPGT, MASK_R1_CMPGT, NIOS2_INSN_MACRO, no_overflow}, 237 {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 238 MATCH_R1_CMPGTI, MASK_R1_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 239 {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 240 MATCH_R1_CMPGTU, MASK_R1_CMPGTU, NIOS2_INSN_MACRO, no_overflow}, 241 {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 242 MATCH_R1_CMPGTUI, MASK_R1_CMPGTUI, 243 NIOS2_INSN_MACRO, unsigned_immed16_overflow}, 244 {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 245 MATCH_R1_CMPLE, MASK_R1_CMPLE, NIOS2_INSN_MACRO, no_overflow}, 246 {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 247 MATCH_R1_CMPLEI, MASK_R1_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 248 {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 249 MATCH_R1_CMPLEU, MASK_R1_CMPLEU, NIOS2_INSN_MACRO, no_overflow}, 250 {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 251 MATCH_R1_CMPLEUI, MASK_R1_CMPLEUI, 252 NIOS2_INSN_MACRO, unsigned_immed16_overflow}, 253 {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 254 MATCH_R1_CMPLT, MASK_R1_CMPLT, 0, no_overflow}, 255 {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 256 MATCH_R1_CMPLTI, MASK_R1_CMPLTI, 0, signed_immed16_overflow}, 257 {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 258 MATCH_R1_CMPLTU, MASK_R1_CMPLTU, 0, no_overflow}, 259 {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 260 MATCH_R1_CMPLTUI, MASK_R1_CMPLTUI, 0, unsigned_immed16_overflow}, 261 {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 262 MATCH_R1_CMPNE, MASK_R1_CMPNE, 0, no_overflow}, 263 {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 264 MATCH_R1_CMPNEI, MASK_R1_CMPNEI, 0, signed_immed16_overflow}, 265 {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_custom_type, 266 MATCH_R1_CUSTOM, MASK_R1_CUSTOM, 0, custom_opcode_overflow}, 267 {"div", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 268 MATCH_R1_DIV, MASK_R1_DIV, 0, no_overflow}, 269 {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 270 MATCH_R1_DIVU, MASK_R1_DIVU, 0, no_overflow}, 271 {"eret", "", "E", 0, 4, iw_r_type, 272 MATCH_R1_ERET, MASK_R1_ERET, 0, no_overflow}, 273 {"flushd", "i(s)", "i(s),E", 2, 4, iw_i_type, 274 MATCH_R1_FLUSHD, MASK_R1_FLUSHD, 0, address_offset_overflow}, 275 {"flushda", "i(s)", "i(s),E", 2, 4, iw_i_type, 276 MATCH_R1_FLUSHDA, MASK_R1_FLUSHDA, 0, address_offset_overflow}, 277 {"flushi", "s", "s,E", 1, 4, iw_r_type, 278 MATCH_R1_FLUSHI, MASK_R1_FLUSHI, 0, no_overflow}, 279 {"flushp", "", "E", 0, 4, iw_r_type, 280 MATCH_R1_FLUSHP, MASK_R1_FLUSHP, 0, no_overflow}, 281 {"initd", "i(s)", "i(s),E", 2, 4, iw_i_type, 282 MATCH_R1_INITD, MASK_R1_INITD, 0, address_offset_overflow}, 283 {"initda", "i(s)", "i(s),E", 2, 4, iw_i_type, 284 MATCH_R1_INITDA, MASK_R1_INITDA, 0, address_offset_overflow}, 285 {"initi", "s", "s,E", 1, 4, iw_r_type, 286 MATCH_R1_INITI, MASK_R1_INITI, 0, no_overflow}, 287 {"jmp", "s", "s,E", 1, 4, iw_r_type, 288 MATCH_R1_JMP, MASK_R1_JMP, 0, no_overflow}, 289 {"jmpi", "m", "m,E", 1, 4, iw_j_type, 290 MATCH_R1_JMPI, MASK_R1_JMPI, 0, call_target_overflow}, 291 {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 292 MATCH_R1_LDB, MASK_R1_LDB, 0, address_offset_overflow}, 293 {"ldbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 294 MATCH_R1_LDBIO, MASK_R1_LDBIO, 0, address_offset_overflow}, 295 {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 296 MATCH_R1_LDBU, MASK_R1_LDBU, 0, address_offset_overflow}, 297 {"ldbuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 298 MATCH_R1_LDBUIO, MASK_R1_LDBUIO, 0, address_offset_overflow}, 299 {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 300 MATCH_R1_LDH, MASK_R1_LDH, 0, address_offset_overflow}, 301 {"ldhio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 302 MATCH_R1_LDHIO, MASK_R1_LDHIO, 0, address_offset_overflow}, 303 {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 304 MATCH_R1_LDHU, MASK_R1_LDHU, 0, address_offset_overflow}, 305 {"ldhuio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 306 MATCH_R1_LDHUIO, MASK_R1_LDHUIO, 0, address_offset_overflow}, 307 {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 308 MATCH_R1_LDW, MASK_R1_LDW, 0, address_offset_overflow}, 309 {"ldwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 310 MATCH_R1_LDWIO, MASK_R1_LDWIO, 0, address_offset_overflow}, 311 {"mov", "d,s", "d,s,E", 2, 4, iw_r_type, 312 MATCH_R1_MOV, MASK_R1_MOV, NIOS2_INSN_MACRO_MOV, no_overflow}, 313 {"movhi", "t,u", "t,u,E", 2, 4, iw_i_type, 314 MATCH_R1_MOVHI, MASK_R1_MOVHI, 315 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, 316 {"movi", "t,i", "t,i,E", 2, 4, iw_i_type, 317 MATCH_R1_MOVI, MASK_R1_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow}, 318 {"movia", "t,o", "t,o,E", 2, 4, iw_i_type, 319 MATCH_R1_ORHI, MASK_R1_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow}, 320 {"movui", "t,u", "t,u,E", 2, 4, iw_i_type, 321 MATCH_R1_MOVUI, MASK_R1_MOVUI, 322 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, 323 {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 324 MATCH_R1_MUL, MASK_R1_MUL, 0, no_overflow}, 325 {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 326 MATCH_R1_MULI, MASK_R1_MULI, 0, signed_immed16_overflow}, 327 {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 328 MATCH_R1_MULXSS, MASK_R1_MULXSS, 0, no_overflow}, 329 {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 330 MATCH_R1_MULXSU, MASK_R1_MULXSU, 0, no_overflow}, 331 {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 332 MATCH_R1_MULXUU, MASK_R1_MULXUU, 0, no_overflow}, 333 {"nextpc", "d", "d,E", 1, 4, iw_r_type, 334 MATCH_R1_NEXTPC, MASK_R1_NEXTPC, 0, no_overflow}, 335 {"nop", "", "E", 0, 4, iw_r_type, 336 MATCH_R1_NOP, MASK_R1_NOP, NIOS2_INSN_MACRO_MOV, no_overflow}, 337 {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 338 MATCH_R1_NOR, MASK_R1_NOR, 0, no_overflow}, 339 {"or", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 340 MATCH_R1_OR, MASK_R1_OR, 0, no_overflow}, 341 {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 342 MATCH_R1_ORHI, MASK_R1_ORHI, 0, unsigned_immed16_overflow}, 343 {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 344 MATCH_R1_ORI, MASK_R1_ORI, 0, unsigned_immed16_overflow}, 345 {"rdctl", "d,c", "d,c,E", 2, 4, iw_r_type, 346 MATCH_R1_RDCTL, MASK_R1_RDCTL, 0, no_overflow}, 347 {"rdprs", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 348 MATCH_R1_RDPRS, MASK_R1_RDPRS, 0, signed_immed16_overflow}, 349 {"ret", "", "E", 0, 4, iw_r_type, 350 MATCH_R1_RET, MASK_R1_RET, 0, no_overflow}, 351 {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 352 MATCH_R1_ROL, MASK_R1_ROL, 0, no_overflow}, 353 {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, 354 MATCH_R1_ROLI, MASK_R1_ROLI, 0, unsigned_immed5_overflow}, 355 {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 356 MATCH_R1_ROR, MASK_R1_ROR, 0, no_overflow}, 357 {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 358 MATCH_R1_SLL, MASK_R1_SLL, 0, no_overflow}, 359 {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, 360 MATCH_R1_SLLI, MASK_R1_SLLI, 0, unsigned_immed5_overflow}, 361 {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 362 MATCH_R1_SRA, MASK_R1_SRA, 0, no_overflow}, 363 {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, 364 MATCH_R1_SRAI, MASK_R1_SRAI, 0, unsigned_immed5_overflow}, 365 {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 366 MATCH_R1_SRL, MASK_R1_SRL, 0, no_overflow}, 367 {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_r_type, 368 MATCH_R1_SRLI, MASK_R1_SRLI, 0, unsigned_immed5_overflow}, 369 {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 370 MATCH_R1_STB, MASK_R1_STB, 0, address_offset_overflow}, 371 {"stbio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 372 MATCH_R1_STBIO, MASK_R1_STBIO, 0, address_offset_overflow}, 373 {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 374 MATCH_R1_STH, MASK_R1_STH, 0, address_offset_overflow}, 375 {"sthio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 376 MATCH_R1_STHIO, MASK_R1_STHIO, 0, address_offset_overflow}, 377 {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 378 MATCH_R1_STW, MASK_R1_STW, 0, address_offset_overflow}, 379 {"stwio", "t,i(s)", "t,i(s),E", 3, 4, iw_i_type, 380 MATCH_R1_STWIO, MASK_R1_STWIO, 0, address_offset_overflow}, 381 {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 382 MATCH_R1_SUB, MASK_R1_SUB, 0, no_overflow}, 383 {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_i_type, 384 MATCH_R1_SUBI, MASK_R1_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 385 {"sync", "", "E", 0, 4, iw_r_type, 386 MATCH_R1_SYNC, MASK_R1_SYNC, 0, no_overflow}, 387 {"trap", "j", "j,E", 1, 4, iw_r_type, 388 MATCH_R1_TRAP, MASK_R1_TRAP, NIOS2_INSN_OPTARG, no_overflow}, 389 {"wrctl", "c,s", "c,s,E", 2, 4, iw_r_type, 390 MATCH_R1_WRCTL, MASK_R1_WRCTL, 0, no_overflow}, 391 {"wrprs", "d,s", "d,s,E", 2, 4, iw_r_type, 392 MATCH_R1_WRPRS, MASK_R1_WRPRS, 0, no_overflow}, 393 {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_r_type, 394 MATCH_R1_XOR, MASK_R1_XOR, 0, no_overflow}, 395 {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 396 MATCH_R1_XORHI, MASK_R1_XORHI, 0, unsigned_immed16_overflow}, 397 {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_i_type, 398 MATCH_R1_XORI, MASK_R1_XORI, 0, unsigned_immed16_overflow} 399 }; 400 401 #define NIOS2_NUM_R1_OPCODES \ 402 ((sizeof nios2_r1_opcodes) / (sizeof (nios2_r1_opcodes[0]))) 403 const int nios2_num_r1_opcodes = NIOS2_NUM_R1_OPCODES; 404 405 406 const struct nios2_opcode nios2_r2_opcodes[] = 407 { 408 /* { name, args, args_test, num_args, size, format, 409 match, mask, pinfo, overflow } */ 410 {"add", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 411 MATCH_R2_ADD, MASK_R2_ADD, 0, no_overflow}, 412 {"addi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 413 MATCH_R2_ADDI, MASK_R2_ADDI, 0, signed_immed16_overflow}, 414 {"add.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type, 415 MATCH_R2_ADD_N, MASK_R2_ADD_N, 0, no_overflow}, 416 {"addi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type, 417 MATCH_R2_ADDI_N, MASK_R2_ADDI_N, 0, enumeration_overflow}, 418 {"and", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 419 MATCH_R2_AND, MASK_R2_AND, 0, no_overflow}, 420 {"andchi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 421 MATCH_R2_ANDCHI, MASK_R2_ANDCHI, 0, unsigned_immed16_overflow}, 422 {"andci", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 423 MATCH_R2_ANDCI, MASK_R2_ANDCI, 0, unsigned_immed16_overflow}, 424 {"andhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 425 MATCH_R2_ANDHI, MASK_R2_ANDHI, 0, unsigned_immed16_overflow}, 426 {"andi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 427 MATCH_R2_ANDI, MASK_R2_ANDI, 0, unsigned_immed16_overflow}, 428 {"andi.n", "T,S,g", "T,S,g,E", 3, 2, iw_T2I4_type, 429 MATCH_R2_ANDI_N, MASK_R2_ANDI_N, 0, enumeration_overflow}, 430 {"and.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, 431 MATCH_R2_AND_N, MASK_R2_AND_N, 0, no_overflow}, 432 {"beq", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 433 MATCH_R2_BEQ, MASK_R2_BEQ, NIOS2_INSN_CBRANCH, branch_target_overflow}, 434 {"beqz.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type, 435 MATCH_R2_BEQZ_N, MASK_R2_BEQZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow}, 436 {"bge", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 437 MATCH_R2_BGE, MASK_R2_BGE, NIOS2_INSN_CBRANCH, branch_target_overflow}, 438 {"bgeu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 439 MATCH_R2_BGEU, MASK_R2_BGEU, NIOS2_INSN_CBRANCH, branch_target_overflow}, 440 {"bgt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 441 MATCH_R2_BGT, MASK_R2_BGT, 442 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 443 {"bgtu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 444 MATCH_R2_BGTU, MASK_R2_BGTU, 445 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 446 {"ble", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 447 MATCH_R2_BLE, MASK_R2_BLE, 448 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 449 {"bleu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 450 MATCH_R2_BLEU, MASK_R2_BLEU, 451 NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH, branch_target_overflow}, 452 {"blt", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 453 MATCH_R2_BLT, MASK_R2_BLT, NIOS2_INSN_CBRANCH, branch_target_overflow}, 454 {"bltu", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 455 MATCH_R2_BLTU, MASK_R2_BLTU, NIOS2_INSN_CBRANCH, branch_target_overflow}, 456 {"bne", "s,t,o", "s,t,o,E", 3, 4, iw_F2I16_type, 457 MATCH_R2_BNE, MASK_R2_BNE, NIOS2_INSN_CBRANCH, branch_target_overflow}, 458 {"bnez.n", "S,P", "S,P,E", 2, 2, iw_T1I7_type, 459 MATCH_R2_BNEZ_N, MASK_R2_BNEZ_N, NIOS2_INSN_CBRANCH, branch_target_overflow}, 460 {"br", "o", "o,E", 1, 4, iw_F2I16_type, 461 MATCH_R2_BR, MASK_R2_BR, NIOS2_INSN_UBRANCH, branch_target_overflow}, 462 {"break", "j", "j,E", 1, 4, iw_F3X6L5_type, 463 MATCH_R2_BREAK, MASK_R2_BREAK, NIOS2_INSN_OPTARG, no_overflow}, 464 {"break.n", "j", "j,E", 1, 2, iw_X2L5_type, 465 MATCH_R2_BREAK_N, MASK_R2_BREAK_N, NIOS2_INSN_OPTARG, no_overflow}, 466 {"bret", "", "E", 0, 4, iw_F3X6_type, 467 MATCH_R2_BRET, MASK_R2_BRET, 0, no_overflow}, 468 {"br.n", "O", "O,E", 1, 2, iw_I10_type, 469 MATCH_R2_BR_N, MASK_R2_BR_N, NIOS2_INSN_UBRANCH, branch_target_overflow}, 470 {"call", "m", "m,E", 1, 4, iw_L26_type, 471 MATCH_R2_CALL, MASK_R2_CALL, NIOS2_INSN_CALL, call_target_overflow}, 472 {"callr", "s", "s,E", 1, 4, iw_F3X6_type, 473 MATCH_R2_CALLR, MASK_R2_CALLR, 0, no_overflow}, 474 {"callr.n", "s", "s,E", 1, 2, iw_F1X1_type, 475 MATCH_R2_CALLR_N, MASK_R2_CALLR_N, 0, no_overflow}, 476 {"cmpeq", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 477 MATCH_R2_CMPEQ, MASK_R2_CMPEQ, 0, no_overflow}, 478 {"cmpeqi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 479 MATCH_R2_CMPEQI, MASK_R2_CMPEQI, 0, signed_immed16_overflow}, 480 {"cmpge", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 481 MATCH_R2_CMPGE, MASK_R2_CMPGE, 0, no_overflow}, 482 {"cmpgei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 483 MATCH_R2_CMPGEI, MASK_R2_CMPGEI, 0, signed_immed16_overflow}, 484 {"cmpgeu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 485 MATCH_R2_CMPGEU, MASK_R2_CMPGEU, 0, no_overflow}, 486 {"cmpgeui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 487 MATCH_R2_CMPGEUI, MASK_R2_CMPGEUI, 0, unsigned_immed16_overflow}, 488 {"cmpgt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 489 MATCH_R2_CMPGT, MASK_R2_CMPGT, NIOS2_INSN_MACRO, no_overflow}, 490 {"cmpgti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 491 MATCH_R2_CMPGTI, MASK_R2_CMPGTI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 492 {"cmpgtu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 493 MATCH_R2_CMPGTU, MASK_R2_CMPGTU, NIOS2_INSN_MACRO, no_overflow}, 494 {"cmpgtui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 495 MATCH_R2_CMPGTUI, MASK_R2_CMPGTUI, 496 NIOS2_INSN_MACRO, unsigned_immed16_overflow}, 497 {"cmple", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 498 MATCH_R2_CMPLE, MASK_R2_CMPLE, NIOS2_INSN_MACRO, no_overflow}, 499 {"cmplei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 500 MATCH_R2_CMPLEI, MASK_R2_CMPLEI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 501 {"cmpleu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 502 MATCH_R2_CMPLEU, MASK_R2_CMPLEU, NIOS2_INSN_MACRO, no_overflow}, 503 {"cmpleui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 504 MATCH_R2_CMPLEUI, MASK_R2_CMPLEUI, 505 NIOS2_INSN_MACRO, unsigned_immed16_overflow}, 506 {"cmplt", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 507 MATCH_R2_CMPLT, MASK_R2_CMPLT, 0, no_overflow}, 508 {"cmplti", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 509 MATCH_R2_CMPLTI, MASK_R2_CMPLTI, 0, signed_immed16_overflow}, 510 {"cmpltu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 511 MATCH_R2_CMPLTU, MASK_R2_CMPLTU, 0, no_overflow}, 512 {"cmpltui", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 513 MATCH_R2_CMPLTUI, MASK_R2_CMPLTUI, 0, unsigned_immed16_overflow}, 514 {"cmpne", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 515 MATCH_R2_CMPNE, MASK_R2_CMPNE, 0, no_overflow}, 516 {"cmpnei", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 517 MATCH_R2_CMPNEI, MASK_R2_CMPNEI, 0, signed_immed16_overflow}, 518 {"custom", "l,d,s,t", "l,d,s,t,E", 4, 4, iw_F3X8_type, 519 MATCH_R2_CUSTOM, MASK_R2_CUSTOM, 0, custom_opcode_overflow}, 520 {"div", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 521 MATCH_R2_DIV, MASK_R2_DIV, 0, no_overflow}, 522 {"divu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 523 MATCH_R2_DIVU, MASK_R2_DIVU, 0, no_overflow}, 524 {"eni", "j", "j,E", 1, 4, iw_F3X6L5_type, 525 MATCH_R2_ENI, MASK_R2_ENI, NIOS2_INSN_OPTARG, no_overflow}, 526 {"eret", "", "E", 0, 4, iw_F3X6_type, 527 MATCH_R2_ERET, MASK_R2_ERET, 0, no_overflow}, 528 {"extract", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, 529 MATCH_R2_EXTRACT, MASK_R2_EXTRACT, 0, no_overflow}, 530 {"flushd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, 531 MATCH_R2_FLUSHD, MASK_R2_FLUSHD, 0, address_offset_overflow}, 532 {"flushda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, 533 MATCH_R2_FLUSHDA, MASK_R2_FLUSHDA, 0, address_offset_overflow}, 534 {"flushi", "s", "s,E", 1, 4, iw_F3X6_type, 535 MATCH_R2_FLUSHI, MASK_R2_FLUSHI, 0, no_overflow}, 536 {"flushp", "", "E", 0, 4, iw_F3X6_type, 537 MATCH_R2_FLUSHP, MASK_R2_FLUSHP, 0, no_overflow}, 538 {"initd", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, 539 MATCH_R2_INITD, MASK_R2_INITD, 0, address_offset_overflow}, 540 {"initda", "I(s)", "I(s),E", 2, 4, iw_F1X4I12_type, 541 MATCH_R2_INITDA, MASK_R2_INITDA, 0, address_offset_overflow}, 542 {"initi", "s", "s,E", 1, 4, iw_F3X6_type, 543 MATCH_R2_INITI, MASK_R2_INITI, 0, no_overflow}, 544 {"insert", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, 545 MATCH_R2_INSERT, MASK_R2_INSERT, 0, no_overflow}, 546 {"jmp", "s", "s,E", 1, 4, iw_F3X6_type, 547 MATCH_R2_JMP, MASK_R2_JMP, 0, no_overflow}, 548 {"jmpi", "m", "m,E", 1, 4, iw_L26_type, 549 MATCH_R2_JMPI, MASK_R2_JMPI, 0, call_target_overflow}, 550 {"jmpr.n", "s", "s,E", 1, 2, iw_F1X1_type, 551 MATCH_R2_JMPR_N, MASK_R2_JMPR_N, 0, no_overflow}, 552 {"ldb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 553 MATCH_R2_LDB, MASK_R2_LDB, 0, address_offset_overflow}, 554 {"ldbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 555 MATCH_R2_LDBIO, MASK_R2_LDBIO, 0, signed_immed12_overflow}, 556 {"ldbu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 557 MATCH_R2_LDBU, MASK_R2_LDBU, 0, address_offset_overflow}, 558 {"ldbuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 559 MATCH_R2_LDBUIO, MASK_R2_LDBUIO, 0, signed_immed12_overflow}, 560 {"ldbu.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type, 561 MATCH_R2_LDBU_N, MASK_R2_LDBU_N, 0, address_offset_overflow}, 562 {"ldex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type, 563 MATCH_R2_LDEX, MASK_R2_LDEX, 0, no_overflow}, 564 {"ldh", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 565 MATCH_R2_LDH, MASK_R2_LDH, 0, address_offset_overflow}, 566 {"ldhio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 567 MATCH_R2_LDHIO, MASK_R2_LDHIO, 0, signed_immed12_overflow}, 568 {"ldhu", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 569 MATCH_R2_LDHU, MASK_R2_LDHU, 0, address_offset_overflow}, 570 {"ldhuio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 571 MATCH_R2_LDHUIO, MASK_R2_LDHUIO, 0, signed_immed12_overflow}, 572 {"ldhu.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type, 573 MATCH_R2_LDHU_N, MASK_R2_LDHU_N, 0, address_offset_overflow}, 574 {"ldsex", "d,(s)", "d,(s),E", 2, 4, iw_F3X6_type, 575 MATCH_R2_LDSEX, MASK_R2_LDSEX, 0, no_overflow}, 576 {"ldw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 577 MATCH_R2_LDW, MASK_R2_LDW, 0, address_offset_overflow}, 578 {"ldwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 579 MATCH_R2_LDWIO, MASK_R2_LDWIO, 0, signed_immed12_overflow}, 580 {"ldwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type, 581 MATCH_R2_LDWM, MASK_R2_LDWM, 0, no_overflow}, 582 {"ldw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type, 583 MATCH_R2_LDW_N, MASK_R2_LDW_N, 0, address_offset_overflow}, 584 {"ldwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type, 585 MATCH_R2_LDWSP_N, MASK_R2_LDWSP_N, 0, address_offset_overflow}, 586 {"merge", "t,s,j,k", "t,s,j,k,E", 4, 4, iw_F2X6L10_type, 587 MATCH_R2_MERGE, MASK_R2_MERGE, 0, no_overflow}, 588 {"mov", "d,s", "d,s,E", 2, 4, iw_F3X6_type, 589 MATCH_R2_MOV, MASK_R2_MOV, NIOS2_INSN_MACRO_MOV, no_overflow}, 590 {"mov.n", "d,s", "d,s,E", 2, 2, iw_F2_type, 591 MATCH_R2_MOV_N, MASK_R2_MOV_N, 0, no_overflow}, 592 {"movi.n", "D,h", "D,h,E", 2, 2, iw_T1I7_type, 593 MATCH_R2_MOVI_N, MASK_R2_MOVI_N, 0, enumeration_overflow}, 594 {"movhi", "t,u", "t,u,E", 2, 4, iw_F2I16_type, 595 MATCH_R2_MOVHI, MASK_R2_MOVHI, 596 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, 597 {"movi", "t,i", "t,i,E", 2, 4, iw_F2I16_type, 598 MATCH_R2_MOVI, MASK_R2_MOVI, NIOS2_INSN_MACRO_MOVI, signed_immed16_overflow}, 599 {"movia", "t,o", "t,o,E", 2, 4, iw_F2I16_type, 600 MATCH_R2_ORHI, MASK_R2_ORHI, NIOS2_INSN_MACRO_MOVIA, no_overflow}, 601 {"movui", "t,u", "t,u,E", 2, 4, iw_F2I16_type, 602 MATCH_R2_MOVUI, MASK_R2_MOVUI, 603 NIOS2_INSN_MACRO_MOVI, unsigned_immed16_overflow}, 604 {"mul", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 605 MATCH_R2_MUL, MASK_R2_MUL, 0, no_overflow}, 606 {"muli", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 607 MATCH_R2_MULI, MASK_R2_MULI, 0, signed_immed16_overflow}, 608 {"mulxss", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 609 MATCH_R2_MULXSS, MASK_R2_MULXSS, 0, no_overflow}, 610 {"mulxsu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 611 MATCH_R2_MULXSU, MASK_R2_MULXSU, 0, no_overflow}, 612 {"mulxuu", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 613 MATCH_R2_MULXUU, MASK_R2_MULXUU, 0, no_overflow}, 614 /* The encoding of the neg.n operands is backwards, not 615 the interpretation -- the first operand is still the 616 destination and the second the source. */ 617 {"neg.n", "S,D", "S,D,E", 2, 2, iw_T2X3_type, 618 MATCH_R2_NEG_N, MASK_R2_NEG_N, 0, no_overflow}, 619 {"nextpc", "d", "d,E", 1, 4, iw_F3X6_type, 620 MATCH_R2_NEXTPC, MASK_R2_NEXTPC, 0, no_overflow}, 621 {"nop", "", "E", 0, 4, iw_F3X6_type, 622 MATCH_R2_NOP, MASK_R2_NOP, NIOS2_INSN_MACRO_MOV, no_overflow}, 623 {"nop.n", "", "E", 0, 2, iw_F2_type, 624 MATCH_R2_NOP_N, MASK_R2_NOP_N, NIOS2_INSN_MACRO_MOV, no_overflow}, 625 {"nor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 626 MATCH_R2_NOR, MASK_R2_NOR, 0, no_overflow}, 627 {"not.n", "D,S", "D,S,E", 2, 2, iw_T2X3_type, 628 MATCH_R2_NOT_N, MASK_R2_NOT_N, 0, no_overflow}, 629 {"or", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 630 MATCH_R2_OR, MASK_R2_OR, 0, no_overflow}, 631 {"orhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 632 MATCH_R2_ORHI, MASK_R2_ORHI, 0, unsigned_immed16_overflow}, 633 {"ori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 634 MATCH_R2_ORI, MASK_R2_ORI, 0, unsigned_immed16_overflow}, 635 {"or.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, 636 MATCH_R2_OR_N, MASK_R2_OR_N, 0, no_overflow}, 637 {"pop.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type, 638 MATCH_R2_POP_N, MASK_R2_POP_N, NIOS2_INSN_OPTARG, no_overflow}, 639 {"push.n", "R,W", "R,W,E", 2, 2, iw_L5I4X1_type, 640 MATCH_R2_PUSH_N, MASK_R2_PUSH_N, NIOS2_INSN_OPTARG, no_overflow}, 641 {"rdctl", "d,c", "d,c,E", 2, 4, iw_F3X6L5_type, 642 MATCH_R2_RDCTL, MASK_R2_RDCTL, 0, no_overflow}, 643 {"rdprs", "t,s,I", "t,s,I,E", 3, 4, iw_F2X4I12_type, 644 MATCH_R2_RDPRS, MASK_R2_RDPRS, 0, signed_immed12_overflow}, 645 {"ret", "", "E", 0, 4, iw_F3X6_type, 646 MATCH_R2_RET, MASK_R2_RET, 0, no_overflow}, 647 {"ret.n", "", "E", 0, 2, iw_X2L5_type, 648 MATCH_R2_RET_N, MASK_R2_RET_N, 0, no_overflow}, 649 {"rol", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 650 MATCH_R2_ROL, MASK_R2_ROL, 0, no_overflow}, 651 {"roli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, 652 MATCH_R2_ROLI, MASK_R2_ROLI, 0, unsigned_immed5_overflow}, 653 {"ror", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 654 MATCH_R2_ROR, MASK_R2_ROR, 0, no_overflow}, 655 {"sll", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 656 MATCH_R2_SLL, MASK_R2_SLL, 0, no_overflow}, 657 {"slli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, 658 MATCH_R2_SLLI, MASK_R2_SLLI, 0, unsigned_immed5_overflow}, 659 {"sll.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, 660 MATCH_R2_SLL_N, MASK_R2_SLL_N, 0, no_overflow}, 661 {"slli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type, 662 MATCH_R2_SLLI_N, MASK_R2_SLLI_N, 0, enumeration_overflow}, 663 {"spaddi.n", "D,U", "D,U,E", 2, 2, iw_T1I7_type, 664 MATCH_R2_SPADDI_N, MASK_R2_SPADDI_N, 0, address_offset_overflow}, 665 {"spdeci.n", "U", "U,E", 1, 2, iw_X1I7_type, 666 MATCH_R2_SPDECI_N, MASK_R2_SPDECI_N, 0, address_offset_overflow}, 667 {"spinci.n", "U", "U,E", 1, 2, iw_X1I7_type, 668 MATCH_R2_SPINCI_N, MASK_R2_SPINCI_N, 0, address_offset_overflow}, 669 {"sra", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 670 MATCH_R2_SRA, MASK_R2_SRA, 0, no_overflow}, 671 {"srai", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, 672 MATCH_R2_SRAI, MASK_R2_SRAI, 0, unsigned_immed5_overflow}, 673 {"srl", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 674 MATCH_R2_SRL, MASK_R2_SRL, 0, no_overflow}, 675 {"srli", "d,s,j", "d,s,j,E", 3, 4, iw_F3X6L5_type, 676 MATCH_R2_SRLI, MASK_R2_SRLI, 0, unsigned_immed5_overflow}, 677 {"srl.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, 678 MATCH_R2_SRL_N, MASK_R2_SRL_N, 0, no_overflow}, 679 {"srli.n", "D,S,f", "D,S,f,E", 3, 2, iw_T2X1L3_type, 680 MATCH_R2_SRLI_N, MASK_R2_SRLI_N, 0, enumeration_overflow}, 681 {"stb", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 682 MATCH_R2_STB, MASK_R2_STB, 0, address_offset_overflow}, 683 {"stbio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 684 MATCH_R2_STBIO, MASK_R2_STBIO, 0, signed_immed12_overflow}, 685 {"stb.n", "T,Y(S)", "T,Y(S),E", 3, 2, iw_T2I4_type, 686 MATCH_R2_STB_N, MASK_R2_STB_N, 0, address_offset_overflow}, 687 {"stbz.n", "t,M(S)", "t,M(S),E", 3, 2, iw_T1X1I6_type, 688 MATCH_R2_STBZ_N, MASK_R2_STBZ_N, 0, address_offset_overflow}, 689 {"stex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type, 690 MATCH_R2_STEX, MASK_R2_STEX, 0, no_overflow}, 691 {"sth", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 692 MATCH_R2_STH, MASK_R2_STH, 0, address_offset_overflow}, 693 {"sthio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 694 MATCH_R2_STHIO, MASK_R2_STHIO, 0, signed_immed12_overflow}, 695 {"sth.n", "T,X(S)", "T,X(S),E", 3, 2, iw_T2I4_type, 696 MATCH_R2_STH_N, MASK_R2_STH_N, 0, address_offset_overflow}, 697 {"stsex", "d,t,(s)", "d,t,(s),E", 3, 4, iw_F3X6_type, 698 MATCH_R2_STSEX, MASK_R2_STSEX, 0, no_overflow}, 699 {"stw", "t,i(s)", "t,i(s),E", 3, 4, iw_F2I16_type, 700 MATCH_R2_STW, MASK_R2_STW, 0, address_offset_overflow}, 701 {"stwio", "t,I(s)", "t,I(s),E", 3, 4, iw_F2X4I12_type, 702 MATCH_R2_STWIO, MASK_R2_STWIO, 0, signed_immed12_overflow}, 703 {"stwm", "R,B", "R,B,E", 2, 4, iw_F1X4L17_type, 704 MATCH_R2_STWM, MASK_R2_STWM, 0, no_overflow}, 705 {"stwsp.n", "t,V(s)", "t,V(s),E", 3, 2, iw_F1I5_type, 706 MATCH_R2_STWSP_N, MASK_R2_STWSP_N, 0, address_offset_overflow}, 707 {"stw.n", "T,W(S)", "T,W(S),E", 3, 2, iw_T2I4_type, 708 MATCH_R2_STW_N, MASK_R2_STW_N, 0, address_offset_overflow}, 709 {"stwz.n", "t,N(S)", "t,N(S),E", 3, 2, iw_T1X1I6_type, 710 MATCH_R2_STWZ_N, MASK_R2_STWZ_N, 0, address_offset_overflow}, 711 {"sub", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 712 MATCH_R2_SUB, MASK_R2_SUB, 0, no_overflow}, 713 {"subi", "t,s,i", "t,s,i,E", 3, 4, iw_F2I16_type, 714 MATCH_R2_SUBI, MASK_R2_SUBI, NIOS2_INSN_MACRO, signed_immed16_overflow}, 715 {"sub.n", "D,S,T", "D,S,T,E", 3, 2, iw_T3X1_type, 716 MATCH_R2_SUB_N, MASK_R2_SUB_N, 0, no_overflow}, 717 {"subi.n", "D,S,e", "D,S,e,E", 3, 2, iw_T2X1I3_type, 718 MATCH_R2_SUBI_N, MASK_R2_SUBI_N, 0, enumeration_overflow}, 719 {"sync", "", "E", 0, 4, iw_F3X6_type, 720 MATCH_R2_SYNC, MASK_R2_SYNC, 0, no_overflow}, 721 {"trap", "j", "j,E", 1, 4, iw_F3X6L5_type, 722 MATCH_R2_TRAP, MASK_R2_TRAP, NIOS2_INSN_OPTARG, no_overflow}, 723 {"trap.n", "j", "j,E", 1, 2, iw_X2L5_type, 724 MATCH_R2_TRAP_N, MASK_R2_TRAP_N, NIOS2_INSN_OPTARG, no_overflow}, 725 {"wrctl", "c,s", "c,s,E", 2, 4, iw_F3X6L5_type, 726 MATCH_R2_WRCTL, MASK_R2_WRCTL, 0, no_overflow}, 727 {"wrpie", "d,s", "d,s,E", 2, 4, iw_F3X6L5_type, 728 MATCH_R2_WRPIE, MASK_R2_WRPIE, 0, no_overflow}, 729 {"wrprs", "d,s", "d,s,E", 2, 4, iw_F3X6_type, 730 MATCH_R2_WRPRS, MASK_R2_WRPRS, 0, no_overflow}, 731 {"xor", "d,s,t", "d,s,t,E", 3, 4, iw_F3X6_type, 732 MATCH_R2_XOR, MASK_R2_XOR, 0, no_overflow}, 733 {"xorhi", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 734 MATCH_R2_XORHI, MASK_R2_XORHI, 0, unsigned_immed16_overflow}, 735 {"xori", "t,s,u", "t,s,u,E", 3, 4, iw_F2I16_type, 736 MATCH_R2_XORI, MASK_R2_XORI, 0, unsigned_immed16_overflow}, 737 {"xor.n", "D,S,T", "D,S,T,E", 3, 2, iw_T2X3_type, 738 MATCH_R2_XOR_N, MASK_R2_XOR_N, 0, no_overflow}, 739 }; 740 741 #define NIOS2_NUM_R2_OPCODES \ 742 ((sizeof nios2_r2_opcodes) / (sizeof (nios2_r2_opcodes[0]))) 743 const int nios2_num_r2_opcodes = NIOS2_NUM_R2_OPCODES; 744 745 /* Default to using the R1 instruction tables. */ 746 struct nios2_opcode *nios2_opcodes = (struct nios2_opcode *) nios2_r1_opcodes; 747 int nios2_num_opcodes = NIOS2_NUM_R1_OPCODES; 748 #undef NIOS2_NUM_R1_OPCODES 749 #undef NIOS2_NUM_R2_OPCODES 750 751 /* Decodings for R2 asi.n (addi.n/subi.n) immediate values. */ 752 unsigned int nios2_r2_asi_n_mappings[] = 753 {1, 2, 4, 8, 16, 32, 64, 128}; 754 const int nios2_num_r2_asi_n_mappings = 8; 755 756 /* Decodings for R2 shi.n (slli.n/srli.n) immediate values. */ 757 unsigned int nios2_r2_shi_n_mappings[] = 758 {1, 2, 3, 8, 12, 16, 24, 31}; 759 const int nios2_num_r2_shi_n_mappings = 8; 760 761 /* Decodings for R2 andi.n immediate values. */ 762 unsigned int nios2_r2_andi_n_mappings[] = 763 {1, 2, 3, 4, 8, 0xf, 0x10, 0x1f, 764 0x20, 0x3f, 0x7f, 0x80, 0xff, 0x7ff, 0xff00, 0xffff}; 765 const int nios2_num_r2_andi_n_mappings = 16; 766 767 /* Decodings for R2 3-bit register fields. */ 768 int nios2_r2_reg3_mappings[] = 769 {16, 17, 2, 3, 4, 5, 6, 7}; 770 const int nios2_num_r2_reg3_mappings = 8; 771 772 /* Decodings for R2 push.n/pop.n REG_RANGE value list. */ 773 unsigned long nios2_r2_reg_range_mappings[] = { 774 0x00010000, 775 0x00030000, 776 0x00070000, 777 0x000f0000, 778 0x001f0000, 779 0x003f0000, 780 0x007f0000, 781 0x00ff0000 782 }; 783 const int nios2_num_r2_reg_range_mappings = 8; 784
