1 /* Altera Nios II opcode list.
2 Copyright (C) 2012, 2013 Free Software Foundation, Inc.
3 Contributed by Nigel Gray (ngray@altera.com).
4 Contributed by Mentor Graphics, Inc.
6 This file is part of the GNU opcodes library.
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)
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.
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. */
25 #include "opcode/nios2.h"
27 /* Register string table */
29 const struct nios2_reg nios2_builtin_regs
[] = {
30 /* Standard register names. */
32 {"at", 1}, /* assembler temporary */
57 {"gp", 26}, /* global pointer */
58 {"sp", 27}, /* stack pointer */
59 {"fp", 28}, /* frame pointer */
60 {"ea", 29}, /* exception return address */
61 {"sstatus", 30}, /* saved processor status */
62 {"ra", 31}, /* return address */
64 /* Alternative names for special registers. */
74 {"ba", 30}, /* breakpoint return address */
77 /* Control register names. */
111 /* Alternative names for special control registers. */
128 /* Coprocessor register names. */
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
;
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
173 /* This is the opcode table used by the Nios II GNU as, disassembler
175 const struct nios2_opcode nios2_builtin_opcodes
[] =
177 /* { name, args, args_test, num_args,
178 match, mask, pinfo, overflow_msg } */
179 {"add", "d,s,t", "d,s,t,E", 3,
180 OP_MATCH_ADD
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
181 {"addi", "t,s,i", "t,s,i,E", 3,
182 OP_MATCH_ADDI
, OP_MASK_IOP
, NIOS2_INSN_ADDI
, signed_immed16_overflow
},
183 {"subi", "t,s,i", "t,s,i,E", 3,
184 OP_MATCH_ADDI
, OP_MASK_IOP
, NIOS2_INSN_MACRO
, signed_immed16_overflow
},
185 {"and", "d,s,t", "d,s,t,E", 3,
186 OP_MATCH_AND
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
187 {"andhi", "t,s,u", "t,s,u,E", 3,
188 OP_MATCH_ANDHI
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
189 {"andi", "t,s,u", "t,s,u,E", 3,
190 OP_MATCH_ANDI
, OP_MASK_IOP
, NIOS2_INSN_ANDI
, unsigned_immed16_overflow
},
191 {"beq", "s,t,o", "s,t,o,E", 3,
192 OP_MATCH_BEQ
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
193 {"bge", "s,t,o", "s,t,o,E", 3,
194 OP_MATCH_BGE
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
195 {"bgeu", "s,t,o", "s,t,o,E", 3,
196 OP_MATCH_BGEU
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
197 {"bgt", "s,t,o", "s,t,o,E", 3,
198 OP_MATCH_BLT
, OP_MASK_IOP
, NIOS2_INSN_MACRO
|NIOS2_INSN_CBRANCH
,
199 branch_target_overflow
},
200 {"bgtu", "s,t,o", "s,t,o,E", 3,
201 OP_MATCH_BLTU
, OP_MASK_IOP
, NIOS2_INSN_MACRO
|NIOS2_INSN_CBRANCH
,
202 branch_target_overflow
},
203 {"ble", "s,t,o", "s,t,o,E", 3,
204 OP_MATCH_BGE
, OP_MASK_IOP
, NIOS2_INSN_MACRO
|NIOS2_INSN_CBRANCH
,
205 branch_target_overflow
},
206 {"bleu", "s,t,o", "s,t,o,E", 3,
207 OP_MATCH_BGEU
, OP_MASK_IOP
, NIOS2_INSN_MACRO
|NIOS2_INSN_CBRANCH
,
208 branch_target_overflow
},
209 {"blt", "s,t,o", "s,t,o,E", 3,
210 OP_MATCH_BLT
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
211 {"bltu", "s,t,o", "s,t,o,E", 3,
212 OP_MATCH_BLTU
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
213 {"bne", "s,t,o", "s,t,o,E", 3,
214 OP_MATCH_BNE
, OP_MASK_IOP
, NIOS2_INSN_CBRANCH
, branch_target_overflow
},
215 {"br", "o", "o,E", 1,
216 OP_MATCH_BR
, OP_MASK_IOP
, NIOS2_INSN_UBRANCH
, branch_target_overflow
},
217 {"break", "b", "b,E", 1,
218 OP_MATCH_BREAK
, OP_MASK_BREAK
, 0, no_overflow
},
220 OP_MATCH_BRET
, OP_MASK
, 0, no_overflow
},
221 {"flushd", "i(s)", "i(s)E", 2,
222 OP_MATCH_FLUSHD
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
223 {"flushda", "i(s)", "i(s)E", 2,
224 OP_MATCH_FLUSHDA
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
225 {"flushi", "s", "s,E", 1,
226 OP_MATCH_FLUSHI
, OP_MASK_FLUSHI
, 0, no_overflow
},
227 {"flushp", "", "E", 0,
228 OP_MATCH_FLUSHP
, OP_MASK
, 0, no_overflow
},
229 {"initd", "i(s)", "i(s)E", 2,
230 OP_MATCH_INITD
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
231 {"initda", "i(s)", "i(s)E", 2,
232 OP_MATCH_INITDA
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
233 {"initi", "s", "s,E", 1,
234 OP_MATCH_INITI
, OP_MASK_INITI
, 0, no_overflow
},
235 {"call", "m", "m,E", 1,
236 OP_MATCH_CALL
, OP_MASK_IOP
, NIOS2_INSN_CALL
, call_target_overflow
},
237 {"callr", "s", "s,E", 1,
238 OP_MATCH_CALLR
, OP_MASK_CALLR
, 0, no_overflow
},
239 {"cmpeq", "d,s,t", "d,s,t,E", 3,
240 OP_MATCH_CMPEQ
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
241 {"cmpeqi", "t,s,i", "t,s,i,E", 3,
242 OP_MATCH_CMPEQI
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
243 {"cmpge", "d,s,t", "d,s,t,E", 3,
244 OP_MATCH_CMPGE
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
245 {"cmpgei", "t,s,i", "t,s,i,E", 3,
246 OP_MATCH_CMPGEI
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
247 {"cmpgeu", "d,s,t", "d,s,t,E", 3,
248 OP_MATCH_CMPGEU
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
249 {"cmpgeui", "t,s,u", "t,s,u,E", 3,
250 OP_MATCH_CMPGEUI
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
251 {"cmpgt", "d,s,t", "d,s,t,E", 3,
252 OP_MATCH_CMPLT
, OP_MASK_ROPX
| OP_MASK_ROP
, NIOS2_INSN_MACRO
, no_overflow
},
253 {"cmpgti", "t,s,i", "t,s,i,E", 3,
254 OP_MATCH_CMPGEI
, OP_MASK_IOP
, NIOS2_INSN_MACRO
, signed_immed16_overflow
},
255 {"cmpgtu", "d,s,t", "d,s,t,E", 3,
256 OP_MATCH_CMPLTU
, OP_MASK_ROPX
| OP_MASK_ROP
, NIOS2_INSN_MACRO
, no_overflow
},
257 {"cmpgtui", "t,s,u", "t,s,u,E", 3,
258 OP_MATCH_CMPGEUI
, OP_MASK_IOP
, NIOS2_INSN_MACRO
, unsigned_immed16_overflow
},
259 {"cmple", "d,s,t", "d,s,t,E", 3,
260 OP_MATCH_CMPGE
, OP_MASK_ROPX
| OP_MASK_ROP
, NIOS2_INSN_MACRO
, no_overflow
},
261 {"cmplei", "t,s,i", "t,s,i,E", 3,
262 OP_MATCH_CMPLTI
, OP_MASK_IOP
, NIOS2_INSN_MACRO
, signed_immed16_overflow
},
263 {"cmpleu", "d,s,t", "d,s,t,E", 3,
264 OP_MATCH_CMPGEU
, OP_MASK_ROPX
| OP_MASK_ROP
, NIOS2_INSN_MACRO
, no_overflow
},
265 {"cmpleui", "t,s,u", "t,s,u,E", 3,
266 OP_MATCH_CMPLTUI
, OP_MASK_IOP
, NIOS2_INSN_MACRO
, unsigned_immed16_overflow
},
267 {"cmplt", "d,s,t", "d,s,t,E", 3,
268 OP_MATCH_CMPLT
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
269 {"cmplti", "t,s,i", "t,s,i,E", 3,
270 OP_MATCH_CMPLTI
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
271 {"cmpltu", "d,s,t", "d,s,t,E", 3,
272 OP_MATCH_CMPLTU
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
273 {"cmpltui", "t,s,u", "t,s,u,E", 3,
274 OP_MATCH_CMPLTUI
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
275 {"cmpne", "d,s,t", "d,s,t,E", 3,
276 OP_MATCH_CMPNE
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
277 {"cmpnei", "t,s,i", "t,s,i,E", 3,
278 OP_MATCH_CMPNEI
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
279 {"div", "d,s,t", "d,s,t,E", 3,
280 OP_MATCH_DIV
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
281 {"divu", "d,s,t", "d,s,t,E", 3,
282 OP_MATCH_DIVU
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
283 {"jmp", "s", "s,E", 1,
284 OP_MATCH_JMP
, OP_MASK_JMP
, 0, no_overflow
},
285 {"jmpi", "m", "m,E", 1,
286 OP_MATCH_JMPI
, OP_MASK_IOP
, 0, no_overflow
},
287 {"ldb", "t,i(s)", "t,i(s)E", 3,
288 OP_MATCH_LDB
, OP_MASK_IOP
, 0, address_offset_overflow
},
289 {"ldbio", "t,i(s)", "t,i(s)E", 3,
290 OP_MATCH_LDBIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
291 {"ldbu", "t,i(s)", "t,i(s)E", 3,
292 OP_MATCH_LDBU
, OP_MASK_IOP
, 0, address_offset_overflow
},
293 {"ldbuio", "t,i(s)", "t,i(s)E", 3,
294 OP_MATCH_LDBUIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
295 {"ldh", "t,i(s)", "t,i(s)E", 3,
296 OP_MATCH_LDH
, OP_MASK_IOP
, 0, address_offset_overflow
},
297 {"ldhio", "t,i(s)", "t,i(s)E", 3,
298 OP_MATCH_LDHIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
299 {"ldhu", "t,i(s)", "t,i(s)E", 3,
300 OP_MATCH_LDHU
, OP_MASK_IOP
, 0, address_offset_overflow
},
301 {"ldhuio", "t,i(s)", "t,i(s)E", 3,
302 OP_MATCH_LDHUIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
303 {"ldl", "t,i(s)", "t,i(s)E", 3,
304 OP_MATCH_LDL
, OP_MASK_IOP
, 0, address_offset_overflow
},
305 {"ldw", "t,i(s)", "t,i(s)E", 3,
306 OP_MATCH_LDW
, OP_MASK_IOP
, 0, address_offset_overflow
},
307 {"ldwio", "t,i(s)", "t,i(s)E", 3,
308 OP_MATCH_LDWIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
309 {"mov", "d,s", "d,s,E", 2,
310 OP_MATCH_ADD
, OP_MASK_RRT
|OP_MASK_ROPX
|OP_MASK_ROP
, NIOS2_INSN_MACRO_MOV
,
312 {"movhi", "t,u", "t,u,E", 2,
313 OP_MATCH_ORHI
, OP_MASK_IRS
|OP_MASK_IOP
, NIOS2_INSN_MACRO_MOVI
,
314 unsigned_immed16_overflow
},
315 {"movui", "t,u", "t,u,E", 2,
316 OP_MATCH_ORI
, OP_MASK_IRS
|OP_MASK_IOP
, NIOS2_INSN_MACRO_MOVI
,
317 unsigned_immed16_overflow
},
318 {"movi", "t,i", "t,i,E", 2,
319 OP_MATCH_ADDI
, OP_MASK_IRS
|OP_MASK_IOP
, NIOS2_INSN_MACRO_MOVI
,
320 signed_immed16_overflow
},
321 /* movia expands to two instructions so there is no mask or match */
322 {"movia", "t,o", "t,o,E", 2,
323 OP_MATCH_ORHI
, OP_MASK_IOP
, NIOS2_INSN_MACRO_MOVIA
, no_overflow
},
324 {"mul", "d,s,t", "d,s,t,E", 3,
325 OP_MATCH_MUL
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
326 {"muli", "t,s,i", "t,s,i,E", 3,
327 OP_MATCH_MULI
, OP_MASK_IOP
, 0, signed_immed16_overflow
},
328 {"mulxss", "d,s,t", "d,s,t,E", 3,
329 OP_MATCH_MULXSS
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
330 {"mulxsu", "d,s,t", "d,s,t,E", 3,
331 OP_MATCH_MULXSU
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
332 {"mulxuu", "d,s,t", "d,s,t,E", 3,
333 OP_MATCH_MULXUU
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
334 {"nextpc", "d", "d,E", 1,
335 OP_MATCH_NEXTPC
, OP_MASK_NEXTPC
, 0, no_overflow
},
337 OP_MATCH_ADD
, OP_MASK
, NIOS2_INSN_MACRO_MOV
, no_overflow
},
338 {"nor", "d,s,t", "d,s,t,E", 3,
339 OP_MATCH_NOR
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
340 {"or", "d,s,t", "d,s,t,E", 3,
341 OP_MATCH_OR
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
342 {"orhi", "t,s,u", "t,s,u,E", 3,
343 OP_MATCH_ORHI
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
344 {"ori", "t,s,u", "t,s,u,E", 3,
345 OP_MATCH_ORI
, OP_MASK_IOP
, NIOS2_INSN_ORI
, unsigned_immed16_overflow
},
346 {"rdctl", "d,c", "d,c,E", 2,
347 OP_MATCH_RDCTL
, OP_MASK_RDCTL
, 0, no_overflow
},
348 {"rdprs", "t,s,i", "t,s,i,E", 3,
349 OP_MATCH_RDPRS
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
351 OP_MATCH_RET
, OP_MASK
, 0, no_overflow
},
352 {"rol", "d,s,t", "d,s,t,E", 3,
353 OP_MATCH_ROL
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
354 {"roli", "d,s,j", "d,s,j,E", 3,
355 OP_MATCH_ROLI
, OP_MASK_ROLI
, 0, unsigned_immed5_overflow
},
356 {"ror", "d,s,t", "d,s,t,E", 3,
357 OP_MATCH_ROR
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
358 {"sll", "d,s,t", "d,s,t,E", 3,
359 OP_MATCH_SLL
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
360 {"slli", "d,s,j", "d,s,j,E", 3,
361 OP_MATCH_SLLI
, OP_MASK_SLLI
, 0, unsigned_immed5_overflow
},
362 {"sra", "d,s,t", "d,s,t,E", 3,
363 OP_MATCH_SRA
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
364 {"srai", "d,s,j", "d,s,j,E", 3,
365 OP_MATCH_SRAI
, OP_MASK_SRAI
, 0, unsigned_immed5_overflow
},
366 {"srl", "d,s,t", "d,s,t,E", 3,
367 OP_MATCH_SRL
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
368 {"srli", "d,s,j", "d,s,j,E", 3,
369 OP_MATCH_SRLI
, OP_MASK_SRLI
, 0, unsigned_immed5_overflow
},
370 {"stb", "t,i(s)", "t,i(s)E", 3,
371 OP_MATCH_STB
, OP_MASK_IOP
, 0, address_offset_overflow
},
372 {"stbio", "t,i(s)", "t,i(s)E", 3,
373 OP_MATCH_STBIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
374 {"stc", "t,i(s)", "t,i(s)E", 3,
375 OP_MATCH_STC
, OP_MASK_IOP
, 0, address_offset_overflow
},
376 {"sth", "t,i(s)", "t,i(s)E", 3,
377 OP_MATCH_STH
, OP_MASK_IOP
, 0, address_offset_overflow
},
378 {"sthio", "t,i(s)", "t,i(s)E", 3,
379 OP_MATCH_STHIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
380 {"stw", "t,i(s)", "t,i(s)E", 3,
381 OP_MATCH_STW
, OP_MASK_IOP
, 0, address_offset_overflow
},
382 {"stwio", "t,i(s)", "t,i(s)E", 3,
383 OP_MATCH_STWIO
, OP_MASK_IOP
, 0, address_offset_overflow
},
384 {"sub", "d,s,t", "d,s,t,E", 3,
385 OP_MATCH_SUB
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
387 OP_MATCH_SYNC
, OP_MASK_SYNC
, 0, no_overflow
},
388 {"trap", "b", "b,E", 1,
389 OP_MATCH_TRAP
, OP_MASK_TRAP
, 0, no_overflow
},
391 OP_MATCH_ERET
, OP_MASK
, 0, no_overflow
},
392 {"custom", "l,d,s,t", "l,d,s,t,E", 4,
393 OP_MATCH_CUSTOM
, OP_MASK_ROP
, 0, custom_opcode_overflow
},
394 {"wrctl", "c,s", "c,s,E", 2,
395 OP_MATCH_WRCTL
, OP_MASK_WRCTL
, 0, no_overflow
},
396 {"wrprs", "d,s", "d,s,E", 2,
397 OP_MATCH_WRPRS
, OP_MASK_RRT
|OP_MASK_ROPX
|OP_MASK_ROP
, 0, no_overflow
},
398 {"xor", "d,s,t", "d,s,t,E", 3,
399 OP_MATCH_XOR
, OP_MASK_ROPX
| OP_MASK_ROP
, 0, no_overflow
},
400 {"xorhi", "t,s,u", "t,s,u,E", 3,
401 OP_MATCH_XORHI
, OP_MASK_IOP
, 0, unsigned_immed16_overflow
},
402 {"xori", "t,s,u", "t,s,u,E", 3,
403 OP_MATCH_XORI
, OP_MASK_IOP
, NIOS2_INSN_XORI
, unsigned_immed16_overflow
}
406 #define NIOS2_NUM_OPCODES \
407 ((sizeof nios2_builtin_opcodes) / (sizeof (nios2_builtin_opcodes[0])))
408 const int bfd_nios2_num_builtin_opcodes
= NIOS2_NUM_OPCODES
;
410 /* This is not const to allow for dynamic extensions to the
411 built-in instruction set. */
412 struct nios2_opcode
*nios2_opcodes
=
413 (struct nios2_opcode
*) nios2_builtin_opcodes
;
414 int bfd_nios2_num_opcodes
= NIOS2_NUM_OPCODES
;
415 #undef NIOS2_NUM_OPCODES