| 1 | /* Instruction opcode table for lm32. |
| 2 | |
| 3 | THIS FILE IS MACHINE GENERATED WITH CGEN. |
| 4 | |
| 5 | Copyright 1996-2007 Free Software Foundation, Inc. |
| 6 | |
| 7 | This file is part of the GNU Binutils and/or GDB, the GNU debugger. |
| 8 | |
| 9 | This file is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3, or (at your option) |
| 12 | any later version. |
| 13 | |
| 14 | It is distributed in the hope that it will be useful, but WITHOUT |
| 15 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 17 | License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License along |
| 20 | with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
| 22 | |
| 23 | */ |
| 24 | |
| 25 | #include "sysdep.h" |
| 26 | #include "ansidecl.h" |
| 27 | #include "bfd.h" |
| 28 | #include "symcat.h" |
| 29 | #include "lm32-desc.h" |
| 30 | #include "lm32-opc.h" |
| 31 | #include "libiberty.h" |
| 32 | |
| 33 | /* The hash functions are recorded here to help keep assembler code out of |
| 34 | the disassembler and vice versa. */ |
| 35 | |
| 36 | static int asm_hash_insn_p (const CGEN_INSN *); |
| 37 | static unsigned int asm_hash_insn (const char *); |
| 38 | static int dis_hash_insn_p (const CGEN_INSN *); |
| 39 | static unsigned int dis_hash_insn (const char *, CGEN_INSN_INT); |
| 40 | |
| 41 | /* Instruction formats. */ |
| 42 | |
| 43 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 44 | #define F(f) & lm32_cgen_ifld_table[LM32_##f] |
| 45 | #else |
| 46 | #define F(f) & lm32_cgen_ifld_table[LM32_/**/f] |
| 47 | #endif |
| 48 | static const CGEN_IFMT ifmt_empty ATTRIBUTE_UNUSED = { |
| 49 | 0, 0, 0x0, { { 0 } } |
| 50 | }; |
| 51 | |
| 52 | static const CGEN_IFMT ifmt_add ATTRIBUTE_UNUSED = { |
| 53 | 32, 32, 0xfc0007ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 54 | }; |
| 55 | |
| 56 | static const CGEN_IFMT ifmt_addi ATTRIBUTE_UNUSED = { |
| 57 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 58 | }; |
| 59 | |
| 60 | static const CGEN_IFMT ifmt_andi ATTRIBUTE_UNUSED = { |
| 61 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } } |
| 62 | }; |
| 63 | |
| 64 | static const CGEN_IFMT ifmt_andhii ATTRIBUTE_UNUSED = { |
| 65 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } } |
| 66 | }; |
| 67 | |
| 68 | static const CGEN_IFMT ifmt_b ATTRIBUTE_UNUSED = { |
| 69 | 32, 32, 0xfc1fffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 70 | }; |
| 71 | |
| 72 | static const CGEN_IFMT ifmt_bi ATTRIBUTE_UNUSED = { |
| 73 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_CALL) }, { 0 } } |
| 74 | }; |
| 75 | |
| 76 | static const CGEN_IFMT ifmt_be ATTRIBUTE_UNUSED = { |
| 77 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_BRANCH) }, { 0 } } |
| 78 | }; |
| 79 | |
| 80 | static const CGEN_IFMT ifmt_ori ATTRIBUTE_UNUSED = { |
| 81 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } } |
| 82 | }; |
| 83 | |
| 84 | static const CGEN_IFMT ifmt_rcsr ATTRIBUTE_UNUSED = { |
| 85 | 32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 86 | }; |
| 87 | |
| 88 | static const CGEN_IFMT ifmt_sextb ATTRIBUTE_UNUSED = { |
| 89 | 32, 32, 0xfc1f07ff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 90 | }; |
| 91 | |
| 92 | static const CGEN_IFMT ifmt_user ATTRIBUTE_UNUSED = { |
| 93 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_USER) }, { 0 } } |
| 94 | }; |
| 95 | |
| 96 | static const CGEN_IFMT ifmt_wcsr ATTRIBUTE_UNUSED = { |
| 97 | 32, 32, 0xfc00ffff, { { F (F_OPCODE) }, { F (F_CSR) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 98 | }; |
| 99 | |
| 100 | static const CGEN_IFMT ifmt_break ATTRIBUTE_UNUSED = { |
| 101 | 32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_EXCEPTION) }, { 0 } } |
| 102 | }; |
| 103 | |
| 104 | static const CGEN_IFMT ifmt_bret ATTRIBUTE_UNUSED = { |
| 105 | 32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_R2) }, { F (F_RESV0) }, { 0 } } |
| 106 | }; |
| 107 | |
| 108 | static const CGEN_IFMT ifmt_mvi ATTRIBUTE_UNUSED = { |
| 109 | 32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 110 | }; |
| 111 | |
| 112 | static const CGEN_IFMT ifmt_mvui ATTRIBUTE_UNUSED = { |
| 113 | 32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } } |
| 114 | }; |
| 115 | |
| 116 | static const CGEN_IFMT ifmt_mvhi ATTRIBUTE_UNUSED = { |
| 117 | 32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_UIMM) }, { 0 } } |
| 118 | }; |
| 119 | |
| 120 | static const CGEN_IFMT ifmt_mva ATTRIBUTE_UNUSED = { |
| 121 | 32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 122 | }; |
| 123 | |
| 124 | static const CGEN_IFMT ifmt_nop ATTRIBUTE_UNUSED = { |
| 125 | 32, 32, 0xffffffff, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 126 | }; |
| 127 | |
| 128 | static const CGEN_IFMT ifmt_lwgotrel ATTRIBUTE_UNUSED = { |
| 129 | 32, 32, 0xffe00000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 130 | }; |
| 131 | |
| 132 | static const CGEN_IFMT ifmt_orhigotoffi ATTRIBUTE_UNUSED = { |
| 133 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 134 | }; |
| 135 | |
| 136 | static const CGEN_IFMT ifmt_addgotoff ATTRIBUTE_UNUSED = { |
| 137 | 32, 32, 0xfc000000, { { F (F_OPCODE) }, { F (F_R0) }, { F (F_R1) }, { F (F_IMM) }, { 0 } } |
| 138 | }; |
| 139 | |
| 140 | #undef F |
| 141 | |
| 142 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 143 | #define A(a) (1 << CGEN_INSN_##a) |
| 144 | #else |
| 145 | #define A(a) (1 << CGEN_INSN_/**/a) |
| 146 | #endif |
| 147 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 148 | #define OPERAND(op) LM32_OPERAND_##op |
| 149 | #else |
| 150 | #define OPERAND(op) LM32_OPERAND_/**/op |
| 151 | #endif |
| 152 | #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */ |
| 153 | #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field)) |
| 154 | |
| 155 | /* The instruction table. */ |
| 156 | |
| 157 | static const CGEN_OPCODE lm32_cgen_insn_opcode_table[MAX_INSNS] = |
| 158 | { |
| 159 | /* Special null first entry. |
| 160 | A `num' value of zero is thus invalid. |
| 161 | Also, the special `invalid' insn resides here. */ |
| 162 | { { 0, 0, 0, 0 }, {{0}}, 0, {0}}, |
| 163 | /* add $r2,$r0,$r1 */ |
| 164 | { |
| 165 | { 0, 0, 0, 0 }, |
| 166 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 167 | & ifmt_add, { 0xb4000000 } |
| 168 | }, |
| 169 | /* addi $r1,$r0,$imm */ |
| 170 | { |
| 171 | { 0, 0, 0, 0 }, |
| 172 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 173 | & ifmt_addi, { 0x34000000 } |
| 174 | }, |
| 175 | /* and $r2,$r0,$r1 */ |
| 176 | { |
| 177 | { 0, 0, 0, 0 }, |
| 178 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 179 | & ifmt_add, { 0xa0000000 } |
| 180 | }, |
| 181 | /* andi $r1,$r0,$uimm */ |
| 182 | { |
| 183 | { 0, 0, 0, 0 }, |
| 184 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 185 | & ifmt_andi, { 0x20000000 } |
| 186 | }, |
| 187 | /* andhi $r1,$r0,$hi16 */ |
| 188 | { |
| 189 | { 0, 0, 0, 0 }, |
| 190 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } }, |
| 191 | & ifmt_andhii, { 0x60000000 } |
| 192 | }, |
| 193 | /* b $r0 */ |
| 194 | { |
| 195 | { 0, 0, 0, 0 }, |
| 196 | { { MNEM, ' ', OP (R0), 0 } }, |
| 197 | & ifmt_b, { 0xc0000000 } |
| 198 | }, |
| 199 | /* bi $call */ |
| 200 | { |
| 201 | { 0, 0, 0, 0 }, |
| 202 | { { MNEM, ' ', OP (CALL), 0 } }, |
| 203 | & ifmt_bi, { 0xe0000000 } |
| 204 | }, |
| 205 | /* be $r0,$r1,$branch */ |
| 206 | { |
| 207 | { 0, 0, 0, 0 }, |
| 208 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 209 | & ifmt_be, { 0x44000000 } |
| 210 | }, |
| 211 | /* bg $r0,$r1,$branch */ |
| 212 | { |
| 213 | { 0, 0, 0, 0 }, |
| 214 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 215 | & ifmt_be, { 0x48000000 } |
| 216 | }, |
| 217 | /* bge $r0,$r1,$branch */ |
| 218 | { |
| 219 | { 0, 0, 0, 0 }, |
| 220 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 221 | & ifmt_be, { 0x4c000000 } |
| 222 | }, |
| 223 | /* bgeu $r0,$r1,$branch */ |
| 224 | { |
| 225 | { 0, 0, 0, 0 }, |
| 226 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 227 | & ifmt_be, { 0x50000000 } |
| 228 | }, |
| 229 | /* bgu $r0,$r1,$branch */ |
| 230 | { |
| 231 | { 0, 0, 0, 0 }, |
| 232 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 233 | & ifmt_be, { 0x54000000 } |
| 234 | }, |
| 235 | /* bne $r0,$r1,$branch */ |
| 236 | { |
| 237 | { 0, 0, 0, 0 }, |
| 238 | { { MNEM, ' ', OP (R0), ',', OP (R1), ',', OP (BRANCH), 0 } }, |
| 239 | & ifmt_be, { 0x5c000000 } |
| 240 | }, |
| 241 | /* call $r0 */ |
| 242 | { |
| 243 | { 0, 0, 0, 0 }, |
| 244 | { { MNEM, ' ', OP (R0), 0 } }, |
| 245 | & ifmt_b, { 0xd8000000 } |
| 246 | }, |
| 247 | /* calli $call */ |
| 248 | { |
| 249 | { 0, 0, 0, 0 }, |
| 250 | { { MNEM, ' ', OP (CALL), 0 } }, |
| 251 | & ifmt_bi, { 0xf8000000 } |
| 252 | }, |
| 253 | /* cmpe $r2,$r0,$r1 */ |
| 254 | { |
| 255 | { 0, 0, 0, 0 }, |
| 256 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 257 | & ifmt_add, { 0xe4000000 } |
| 258 | }, |
| 259 | /* cmpei $r1,$r0,$imm */ |
| 260 | { |
| 261 | { 0, 0, 0, 0 }, |
| 262 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 263 | & ifmt_addi, { 0x64000000 } |
| 264 | }, |
| 265 | /* cmpg $r2,$r0,$r1 */ |
| 266 | { |
| 267 | { 0, 0, 0, 0 }, |
| 268 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 269 | & ifmt_add, { 0xe8000000 } |
| 270 | }, |
| 271 | /* cmpgi $r1,$r0,$imm */ |
| 272 | { |
| 273 | { 0, 0, 0, 0 }, |
| 274 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 275 | & ifmt_addi, { 0x68000000 } |
| 276 | }, |
| 277 | /* cmpge $r2,$r0,$r1 */ |
| 278 | { |
| 279 | { 0, 0, 0, 0 }, |
| 280 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 281 | & ifmt_add, { 0xec000000 } |
| 282 | }, |
| 283 | /* cmpgei $r1,$r0,$imm */ |
| 284 | { |
| 285 | { 0, 0, 0, 0 }, |
| 286 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 287 | & ifmt_addi, { 0x6c000000 } |
| 288 | }, |
| 289 | /* cmpgeu $r2,$r0,$r1 */ |
| 290 | { |
| 291 | { 0, 0, 0, 0 }, |
| 292 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 293 | & ifmt_add, { 0xf0000000 } |
| 294 | }, |
| 295 | /* cmpgeui $r1,$r0,$uimm */ |
| 296 | { |
| 297 | { 0, 0, 0, 0 }, |
| 298 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 299 | & ifmt_andi, { 0x70000000 } |
| 300 | }, |
| 301 | /* cmpgu $r2,$r0,$r1 */ |
| 302 | { |
| 303 | { 0, 0, 0, 0 }, |
| 304 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 305 | & ifmt_add, { 0xf4000000 } |
| 306 | }, |
| 307 | /* cmpgui $r1,$r0,$uimm */ |
| 308 | { |
| 309 | { 0, 0, 0, 0 }, |
| 310 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 311 | & ifmt_andi, { 0x74000000 } |
| 312 | }, |
| 313 | /* cmpne $r2,$r0,$r1 */ |
| 314 | { |
| 315 | { 0, 0, 0, 0 }, |
| 316 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 317 | & ifmt_add, { 0xfc000000 } |
| 318 | }, |
| 319 | /* cmpnei $r1,$r0,$imm */ |
| 320 | { |
| 321 | { 0, 0, 0, 0 }, |
| 322 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 323 | & ifmt_addi, { 0x7c000000 } |
| 324 | }, |
| 325 | /* divu $r2,$r0,$r1 */ |
| 326 | { |
| 327 | { 0, 0, 0, 0 }, |
| 328 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 329 | & ifmt_add, { 0x8c000000 } |
| 330 | }, |
| 331 | /* lb $r1,($r0+$imm) */ |
| 332 | { |
| 333 | { 0, 0, 0, 0 }, |
| 334 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } }, |
| 335 | & ifmt_addi, { 0x10000000 } |
| 336 | }, |
| 337 | /* lbu $r1,($r0+$imm) */ |
| 338 | { |
| 339 | { 0, 0, 0, 0 }, |
| 340 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } }, |
| 341 | & ifmt_addi, { 0x40000000 } |
| 342 | }, |
| 343 | /* lh $r1,($r0+$imm) */ |
| 344 | { |
| 345 | { 0, 0, 0, 0 }, |
| 346 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } }, |
| 347 | & ifmt_addi, { 0x1c000000 } |
| 348 | }, |
| 349 | /* lhu $r1,($r0+$imm) */ |
| 350 | { |
| 351 | { 0, 0, 0, 0 }, |
| 352 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } }, |
| 353 | & ifmt_addi, { 0x2c000000 } |
| 354 | }, |
| 355 | /* lw $r1,($r0+$imm) */ |
| 356 | { |
| 357 | { 0, 0, 0, 0 }, |
| 358 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (IMM), ')', 0 } }, |
| 359 | & ifmt_addi, { 0x28000000 } |
| 360 | }, |
| 361 | /* modu $r2,$r0,$r1 */ |
| 362 | { |
| 363 | { 0, 0, 0, 0 }, |
| 364 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 365 | & ifmt_add, { 0xc4000000 } |
| 366 | }, |
| 367 | /* mul $r2,$r0,$r1 */ |
| 368 | { |
| 369 | { 0, 0, 0, 0 }, |
| 370 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 371 | & ifmt_add, { 0x88000000 } |
| 372 | }, |
| 373 | /* muli $r1,$r0,$imm */ |
| 374 | { |
| 375 | { 0, 0, 0, 0 }, |
| 376 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 377 | & ifmt_addi, { 0x8000000 } |
| 378 | }, |
| 379 | /* nor $r2,$r0,$r1 */ |
| 380 | { |
| 381 | { 0, 0, 0, 0 }, |
| 382 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 383 | & ifmt_add, { 0x84000000 } |
| 384 | }, |
| 385 | /* nori $r1,$r0,$uimm */ |
| 386 | { |
| 387 | { 0, 0, 0, 0 }, |
| 388 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 389 | & ifmt_andi, { 0x4000000 } |
| 390 | }, |
| 391 | /* or $r2,$r0,$r1 */ |
| 392 | { |
| 393 | { 0, 0, 0, 0 }, |
| 394 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 395 | & ifmt_add, { 0xb8000000 } |
| 396 | }, |
| 397 | /* ori $r1,$r0,$lo16 */ |
| 398 | { |
| 399 | { 0, 0, 0, 0 }, |
| 400 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (LO16), 0 } }, |
| 401 | & ifmt_ori, { 0x38000000 } |
| 402 | }, |
| 403 | /* orhi $r1,$r0,$hi16 */ |
| 404 | { |
| 405 | { 0, 0, 0, 0 }, |
| 406 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (HI16), 0 } }, |
| 407 | & ifmt_andhii, { 0x78000000 } |
| 408 | }, |
| 409 | /* rcsr $r2,$csr */ |
| 410 | { |
| 411 | { 0, 0, 0, 0 }, |
| 412 | { { MNEM, ' ', OP (R2), ',', OP (CSR), 0 } }, |
| 413 | & ifmt_rcsr, { 0x90000000 } |
| 414 | }, |
| 415 | /* sb ($r0+$imm),$r1 */ |
| 416 | { |
| 417 | { 0, 0, 0, 0 }, |
| 418 | { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } }, |
| 419 | & ifmt_addi, { 0x30000000 } |
| 420 | }, |
| 421 | /* sextb $r2,$r0 */ |
| 422 | { |
| 423 | { 0, 0, 0, 0 }, |
| 424 | { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } }, |
| 425 | & ifmt_sextb, { 0xb0000000 } |
| 426 | }, |
| 427 | /* sexth $r2,$r0 */ |
| 428 | { |
| 429 | { 0, 0, 0, 0 }, |
| 430 | { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } }, |
| 431 | & ifmt_sextb, { 0xdc000000 } |
| 432 | }, |
| 433 | /* sh ($r0+$imm),$r1 */ |
| 434 | { |
| 435 | { 0, 0, 0, 0 }, |
| 436 | { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } }, |
| 437 | & ifmt_addi, { 0xc000000 } |
| 438 | }, |
| 439 | /* sl $r2,$r0,$r1 */ |
| 440 | { |
| 441 | { 0, 0, 0, 0 }, |
| 442 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 443 | & ifmt_add, { 0xbc000000 } |
| 444 | }, |
| 445 | /* sli $r1,$r0,$imm */ |
| 446 | { |
| 447 | { 0, 0, 0, 0 }, |
| 448 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 449 | & ifmt_addi, { 0x3c000000 } |
| 450 | }, |
| 451 | /* sr $r2,$r0,$r1 */ |
| 452 | { |
| 453 | { 0, 0, 0, 0 }, |
| 454 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 455 | & ifmt_add, { 0x94000000 } |
| 456 | }, |
| 457 | /* sri $r1,$r0,$imm */ |
| 458 | { |
| 459 | { 0, 0, 0, 0 }, |
| 460 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 461 | & ifmt_addi, { 0x14000000 } |
| 462 | }, |
| 463 | /* sru $r2,$r0,$r1 */ |
| 464 | { |
| 465 | { 0, 0, 0, 0 }, |
| 466 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 467 | & ifmt_add, { 0x80000000 } |
| 468 | }, |
| 469 | /* srui $r1,$r0,$imm */ |
| 470 | { |
| 471 | { 0, 0, 0, 0 }, |
| 472 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (IMM), 0 } }, |
| 473 | & ifmt_addi, { 0x0 } |
| 474 | }, |
| 475 | /* sub $r2,$r0,$r1 */ |
| 476 | { |
| 477 | { 0, 0, 0, 0 }, |
| 478 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 479 | & ifmt_add, { 0xc8000000 } |
| 480 | }, |
| 481 | /* sw ($r0+$imm),$r1 */ |
| 482 | { |
| 483 | { 0, 0, 0, 0 }, |
| 484 | { { MNEM, ' ', '(', OP (R0), '+', OP (IMM), ')', ',', OP (R1), 0 } }, |
| 485 | & ifmt_addi, { 0x58000000 } |
| 486 | }, |
| 487 | /* user $r2,$r0,$r1,$user */ |
| 488 | { |
| 489 | { 0, 0, 0, 0 }, |
| 490 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), ',', OP (USER), 0 } }, |
| 491 | & ifmt_user, { 0xcc000000 } |
| 492 | }, |
| 493 | /* wcsr $csr,$r1 */ |
| 494 | { |
| 495 | { 0, 0, 0, 0 }, |
| 496 | { { MNEM, ' ', OP (CSR), ',', OP (R1), 0 } }, |
| 497 | & ifmt_wcsr, { 0xd0000000 } |
| 498 | }, |
| 499 | /* xor $r2,$r0,$r1 */ |
| 500 | { |
| 501 | { 0, 0, 0, 0 }, |
| 502 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 503 | & ifmt_add, { 0x98000000 } |
| 504 | }, |
| 505 | /* xori $r1,$r0,$uimm */ |
| 506 | { |
| 507 | { 0, 0, 0, 0 }, |
| 508 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 509 | & ifmt_andi, { 0x18000000 } |
| 510 | }, |
| 511 | /* xnor $r2,$r0,$r1 */ |
| 512 | { |
| 513 | { 0, 0, 0, 0 }, |
| 514 | { { MNEM, ' ', OP (R2), ',', OP (R0), ',', OP (R1), 0 } }, |
| 515 | & ifmt_add, { 0xa4000000 } |
| 516 | }, |
| 517 | /* xnori $r1,$r0,$uimm */ |
| 518 | { |
| 519 | { 0, 0, 0, 0 }, |
| 520 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (UIMM), 0 } }, |
| 521 | & ifmt_andi, { 0x24000000 } |
| 522 | }, |
| 523 | /* break */ |
| 524 | { |
| 525 | { 0, 0, 0, 0 }, |
| 526 | { { MNEM, 0 } }, |
| 527 | & ifmt_break, { 0xac000002 } |
| 528 | }, |
| 529 | /* scall */ |
| 530 | { |
| 531 | { 0, 0, 0, 0 }, |
| 532 | { { MNEM, 0 } }, |
| 533 | & ifmt_break, { 0xac000007 } |
| 534 | }, |
| 535 | /* bret */ |
| 536 | { |
| 537 | { 0, 0, 0, 0 }, |
| 538 | { { MNEM, 0 } }, |
| 539 | & ifmt_bret, { 0xc3e00000 } |
| 540 | }, |
| 541 | /* eret */ |
| 542 | { |
| 543 | { 0, 0, 0, 0 }, |
| 544 | { { MNEM, 0 } }, |
| 545 | & ifmt_bret, { 0xc3c00000 } |
| 546 | }, |
| 547 | /* ret */ |
| 548 | { |
| 549 | { 0, 0, 0, 0 }, |
| 550 | { { MNEM, 0 } }, |
| 551 | & ifmt_bret, { 0xc3a00000 } |
| 552 | }, |
| 553 | /* mv $r2,$r0 */ |
| 554 | { |
| 555 | { 0, 0, 0, 0 }, |
| 556 | { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } }, |
| 557 | & ifmt_sextb, { 0xb8000000 } |
| 558 | }, |
| 559 | /* mvi $r1,$imm */ |
| 560 | { |
| 561 | { 0, 0, 0, 0 }, |
| 562 | { { MNEM, ' ', OP (R1), ',', OP (IMM), 0 } }, |
| 563 | & ifmt_mvi, { 0x34000000 } |
| 564 | }, |
| 565 | /* mvu $r1,$lo16 */ |
| 566 | { |
| 567 | { 0, 0, 0, 0 }, |
| 568 | { { MNEM, ' ', OP (R1), ',', OP (LO16), 0 } }, |
| 569 | & ifmt_mvui, { 0x38000000 } |
| 570 | }, |
| 571 | /* mvhi $r1,$hi16 */ |
| 572 | { |
| 573 | { 0, 0, 0, 0 }, |
| 574 | { { MNEM, ' ', OP (R1), ',', OP (HI16), 0 } }, |
| 575 | & ifmt_mvhi, { 0x78000000 } |
| 576 | }, |
| 577 | /* mva $r1,$gp16 */ |
| 578 | { |
| 579 | { 0, 0, 0, 0 }, |
| 580 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 581 | & ifmt_mva, { 0x37400000 } |
| 582 | }, |
| 583 | /* not $r2,$r0 */ |
| 584 | { |
| 585 | { 0, 0, 0, 0 }, |
| 586 | { { MNEM, ' ', OP (R2), ',', OP (R0), 0 } }, |
| 587 | & ifmt_sextb, { 0xa4000000 } |
| 588 | }, |
| 589 | /* nop */ |
| 590 | { |
| 591 | { 0, 0, 0, 0 }, |
| 592 | { { MNEM, 0 } }, |
| 593 | & ifmt_nop, { 0x34000000 } |
| 594 | }, |
| 595 | /* lb $r1,$gp16 */ |
| 596 | { |
| 597 | { 0, 0, 0, 0 }, |
| 598 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 599 | & ifmt_mva, { 0x13400000 } |
| 600 | }, |
| 601 | /* lbu $r1,$gp16 */ |
| 602 | { |
| 603 | { 0, 0, 0, 0 }, |
| 604 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 605 | & ifmt_mva, { 0x43400000 } |
| 606 | }, |
| 607 | /* lh $r1,$gp16 */ |
| 608 | { |
| 609 | { 0, 0, 0, 0 }, |
| 610 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 611 | & ifmt_mva, { 0x1f400000 } |
| 612 | }, |
| 613 | /* lhu $r1,$gp16 */ |
| 614 | { |
| 615 | { 0, 0, 0, 0 }, |
| 616 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 617 | & ifmt_mva, { 0x2f400000 } |
| 618 | }, |
| 619 | /* lw $r1,$gp16 */ |
| 620 | { |
| 621 | { 0, 0, 0, 0 }, |
| 622 | { { MNEM, ' ', OP (R1), ',', OP (GP16), 0 } }, |
| 623 | & ifmt_mva, { 0x2b400000 } |
| 624 | }, |
| 625 | /* sb $gp16,$r1 */ |
| 626 | { |
| 627 | { 0, 0, 0, 0 }, |
| 628 | { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } }, |
| 629 | & ifmt_mva, { 0x33400000 } |
| 630 | }, |
| 631 | /* sh $gp16,$r1 */ |
| 632 | { |
| 633 | { 0, 0, 0, 0 }, |
| 634 | { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } }, |
| 635 | & ifmt_mva, { 0xf400000 } |
| 636 | }, |
| 637 | /* sw $gp16,$r1 */ |
| 638 | { |
| 639 | { 0, 0, 0, 0 }, |
| 640 | { { MNEM, ' ', OP (GP16), ',', OP (R1), 0 } }, |
| 641 | & ifmt_mva, { 0x5b400000 } |
| 642 | }, |
| 643 | /* lw $r1,(gp+$got16) */ |
| 644 | { |
| 645 | { 0, 0, 0, 0 }, |
| 646 | { { MNEM, ' ', OP (R1), ',', '(', 'g', 'p', '+', OP (GOT16), ')', 0 } }, |
| 647 | & ifmt_lwgotrel, { 0x2b400000 } |
| 648 | }, |
| 649 | /* orhi $r1,$r0,$gotoffhi16 */ |
| 650 | { |
| 651 | { 0, 0, 0, 0 }, |
| 652 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFHI16), 0 } }, |
| 653 | & ifmt_orhigotoffi, { 0x78000000 } |
| 654 | }, |
| 655 | /* addi $r1,$r0,$gotofflo16 */ |
| 656 | { |
| 657 | { 0, 0, 0, 0 }, |
| 658 | { { MNEM, ' ', OP (R1), ',', OP (R0), ',', OP (GOTOFFLO16), 0 } }, |
| 659 | & ifmt_addgotoff, { 0x34000000 } |
| 660 | }, |
| 661 | /* sw ($r0+$gotofflo16),$r1 */ |
| 662 | { |
| 663 | { 0, 0, 0, 0 }, |
| 664 | { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } }, |
| 665 | & ifmt_addgotoff, { 0x58000000 } |
| 666 | }, |
| 667 | /* lw $r1,($r0+$gotofflo16) */ |
| 668 | { |
| 669 | { 0, 0, 0, 0 }, |
| 670 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } }, |
| 671 | & ifmt_addgotoff, { 0x28000000 } |
| 672 | }, |
| 673 | /* sh ($r0+$gotofflo16),$r1 */ |
| 674 | { |
| 675 | { 0, 0, 0, 0 }, |
| 676 | { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } }, |
| 677 | & ifmt_addgotoff, { 0xc000000 } |
| 678 | }, |
| 679 | /* lh $r1,($r0+$gotofflo16) */ |
| 680 | { |
| 681 | { 0, 0, 0, 0 }, |
| 682 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } }, |
| 683 | & ifmt_addgotoff, { 0x1c000000 } |
| 684 | }, |
| 685 | /* lhu $r1,($r0+$gotofflo16) */ |
| 686 | { |
| 687 | { 0, 0, 0, 0 }, |
| 688 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } }, |
| 689 | & ifmt_addgotoff, { 0x2c000000 } |
| 690 | }, |
| 691 | /* sb ($r0+$gotofflo16),$r1 */ |
| 692 | { |
| 693 | { 0, 0, 0, 0 }, |
| 694 | { { MNEM, ' ', '(', OP (R0), '+', OP (GOTOFFLO16), ')', ',', OP (R1), 0 } }, |
| 695 | & ifmt_addgotoff, { 0x30000000 } |
| 696 | }, |
| 697 | /* lb $r1,($r0+$gotofflo16) */ |
| 698 | { |
| 699 | { 0, 0, 0, 0 }, |
| 700 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } }, |
| 701 | & ifmt_addgotoff, { 0x10000000 } |
| 702 | }, |
| 703 | /* lbu $r1,($r0+$gotofflo16) */ |
| 704 | { |
| 705 | { 0, 0, 0, 0 }, |
| 706 | { { MNEM, ' ', OP (R1), ',', '(', OP (R0), '+', OP (GOTOFFLO16), ')', 0 } }, |
| 707 | & ifmt_addgotoff, { 0x40000000 } |
| 708 | }, |
| 709 | }; |
| 710 | |
| 711 | #undef A |
| 712 | #undef OPERAND |
| 713 | #undef MNEM |
| 714 | #undef OP |
| 715 | |
| 716 | /* Formats for ALIAS macro-insns. */ |
| 717 | |
| 718 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 719 | #define F(f) & lm32_cgen_ifld_table[LM32_##f] |
| 720 | #else |
| 721 | #define F(f) & lm32_cgen_ifld_table[LM32_/**/f] |
| 722 | #endif |
| 723 | #undef F |
| 724 | |
| 725 | /* Each non-simple macro entry points to an array of expansion possibilities. */ |
| 726 | |
| 727 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 728 | #define A(a) (1 << CGEN_INSN_##a) |
| 729 | #else |
| 730 | #define A(a) (1 << CGEN_INSN_/**/a) |
| 731 | #endif |
| 732 | #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) |
| 733 | #define OPERAND(op) LM32_OPERAND_##op |
| 734 | #else |
| 735 | #define OPERAND(op) LM32_OPERAND_/**/op |
| 736 | #endif |
| 737 | #define MNEM CGEN_SYNTAX_MNEMONIC /* syntax value for mnemonic */ |
| 738 | #define OP(field) CGEN_SYNTAX_MAKE_FIELD (OPERAND (field)) |
| 739 | |
| 740 | /* The macro instruction table. */ |
| 741 | |
| 742 | static const CGEN_IBASE lm32_cgen_macro_insn_table[] = |
| 743 | { |
| 744 | }; |
| 745 | |
| 746 | /* The macro instruction opcode table. */ |
| 747 | |
| 748 | static const CGEN_OPCODE lm32_cgen_macro_insn_opcode_table[] = |
| 749 | { |
| 750 | }; |
| 751 | |
| 752 | #undef A |
| 753 | #undef OPERAND |
| 754 | #undef MNEM |
| 755 | #undef OP |
| 756 | |
| 757 | #ifndef CGEN_ASM_HASH_P |
| 758 | #define CGEN_ASM_HASH_P(insn) 1 |
| 759 | #endif |
| 760 | |
| 761 | #ifndef CGEN_DIS_HASH_P |
| 762 | #define CGEN_DIS_HASH_P(insn) 1 |
| 763 | #endif |
| 764 | |
| 765 | /* Return non-zero if INSN is to be added to the hash table. |
| 766 | Targets are free to override CGEN_{ASM,DIS}_HASH_P in the .opc file. */ |
| 767 | |
| 768 | static int |
| 769 | asm_hash_insn_p (insn) |
| 770 | const CGEN_INSN *insn ATTRIBUTE_UNUSED; |
| 771 | { |
| 772 | return CGEN_ASM_HASH_P (insn); |
| 773 | } |
| 774 | |
| 775 | static int |
| 776 | dis_hash_insn_p (insn) |
| 777 | const CGEN_INSN *insn; |
| 778 | { |
| 779 | /* If building the hash table and the NO-DIS attribute is present, |
| 780 | ignore. */ |
| 781 | if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_NO_DIS)) |
| 782 | return 0; |
| 783 | return CGEN_DIS_HASH_P (insn); |
| 784 | } |
| 785 | |
| 786 | #ifndef CGEN_ASM_HASH |
| 787 | #define CGEN_ASM_HASH_SIZE 127 |
| 788 | #ifdef CGEN_MNEMONIC_OPERANDS |
| 789 | #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) |
| 790 | #else |
| 791 | #define CGEN_ASM_HASH(mnem) (*(unsigned char *) (mnem) % CGEN_ASM_HASH_SIZE) /*FIXME*/ |
| 792 | #endif |
| 793 | #endif |
| 794 | |
| 795 | /* It doesn't make much sense to provide a default here, |
| 796 | but while this is under development we do. |
| 797 | BUFFER is a pointer to the bytes of the insn, target order. |
| 798 | VALUE is the first base_insn_bitsize bits as an int in host order. */ |
| 799 | |
| 800 | #ifndef CGEN_DIS_HASH |
| 801 | #define CGEN_DIS_HASH_SIZE 256 |
| 802 | #define CGEN_DIS_HASH(buf, value) (*(unsigned char *) (buf)) |
| 803 | #endif |
| 804 | |
| 805 | /* The result is the hash value of the insn. |
| 806 | Targets are free to override CGEN_{ASM,DIS}_HASH in the .opc file. */ |
| 807 | |
| 808 | static unsigned int |
| 809 | asm_hash_insn (mnem) |
| 810 | const char * mnem; |
| 811 | { |
| 812 | return CGEN_ASM_HASH (mnem); |
| 813 | } |
| 814 | |
| 815 | /* BUF is a pointer to the bytes of the insn, target order. |
| 816 | VALUE is the first base_insn_bitsize bits as an int in host order. */ |
| 817 | |
| 818 | static unsigned int |
| 819 | dis_hash_insn (buf, value) |
| 820 | const char * buf ATTRIBUTE_UNUSED; |
| 821 | CGEN_INSN_INT value ATTRIBUTE_UNUSED; |
| 822 | { |
| 823 | return CGEN_DIS_HASH (buf, value); |
| 824 | } |
| 825 | |
| 826 | /* Set the recorded length of the insn in the CGEN_FIELDS struct. */ |
| 827 | |
| 828 | static void |
| 829 | set_fields_bitsize (CGEN_FIELDS *fields, int size) |
| 830 | { |
| 831 | CGEN_FIELDS_BITSIZE (fields) = size; |
| 832 | } |
| 833 | |
| 834 | /* Function to call before using the operand instance table. |
| 835 | This plugs the opcode entries and macro instructions into the cpu table. */ |
| 836 | |
| 837 | void |
| 838 | lm32_cgen_init_opcode_table (CGEN_CPU_DESC cd) |
| 839 | { |
| 840 | int i; |
| 841 | int num_macros = (sizeof (lm32_cgen_macro_insn_table) / |
| 842 | sizeof (lm32_cgen_macro_insn_table[0])); |
| 843 | const CGEN_IBASE *ib = & lm32_cgen_macro_insn_table[0]; |
| 844 | const CGEN_OPCODE *oc = & lm32_cgen_macro_insn_opcode_table[0]; |
| 845 | CGEN_INSN *insns = xmalloc (num_macros * sizeof (CGEN_INSN)); |
| 846 | |
| 847 | /* This test has been added to avoid a warning generated |
| 848 | if memset is called with a third argument of value zero. */ |
| 849 | if (num_macros >= 1) |
| 850 | memset (insns, 0, num_macros * sizeof (CGEN_INSN)); |
| 851 | for (i = 0; i < num_macros; ++i) |
| 852 | { |
| 853 | insns[i].base = &ib[i]; |
| 854 | insns[i].opcode = &oc[i]; |
| 855 | lm32_cgen_build_insn_regex (& insns[i]); |
| 856 | } |
| 857 | cd->macro_insn_table.init_entries = insns; |
| 858 | cd->macro_insn_table.entry_size = sizeof (CGEN_IBASE); |
| 859 | cd->macro_insn_table.num_init_entries = num_macros; |
| 860 | |
| 861 | oc = & lm32_cgen_insn_opcode_table[0]; |
| 862 | insns = (CGEN_INSN *) cd->insn_table.init_entries; |
| 863 | for (i = 0; i < MAX_INSNS; ++i) |
| 864 | { |
| 865 | insns[i].opcode = &oc[i]; |
| 866 | lm32_cgen_build_insn_regex (& insns[i]); |
| 867 | } |
| 868 | |
| 869 | cd->sizeof_fields = sizeof (CGEN_FIELDS); |
| 870 | cd->set_fields_bitsize = set_fields_bitsize; |
| 871 | |
| 872 | cd->asm_hash_p = asm_hash_insn_p; |
| 873 | cd->asm_hash = asm_hash_insn; |
| 874 | cd->asm_hash_size = CGEN_ASM_HASH_SIZE; |
| 875 | |
| 876 | cd->dis_hash_p = dis_hash_insn_p; |
| 877 | cd->dis_hash = dis_hash_insn; |
| 878 | cd->dis_hash_size = CGEN_DIS_HASH_SIZE; |
| 879 | } |