Commit | Line | Data |
---|---|---|
5c84d377 | 1 | /* Disassembly routines for TMS320C54X architecture |
df7b86aa NC |
2 | Copyright 1999, 2000, 2001, 2005, 2007, 2009, 2012 |
3 | Free Software Foundation, Inc. | |
5c84d377 TW |
4 | Contributed by Timothy Wall (twall@cygnus.com) |
5 | ||
9b201bb5 NC |
6 | This file is part of the GNU opcodes library. |
7 | ||
8 | This library is free software; you can redistribute it and/or modify | |
5c84d377 | 9 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
10 | the Free Software Foundation; either version 3, or (at your option) |
11 | any later version. | |
5c84d377 | 12 | |
9b201bb5 NC |
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. | |
5c84d377 TW |
17 | |
18 | You should have received a copy of the GNU General Public License | |
9b201bb5 NC |
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. */ | |
5c84d377 | 22 | |
df7b86aa | 23 | #include "sysdep.h" |
5c84d377 TW |
24 | #include <errno.h> |
25 | #include <math.h> | |
26 | #include <stdlib.h> | |
5c84d377 TW |
27 | #include "dis-asm.h" |
28 | #include "opcode/tic54x.h" | |
29 | #include "coff/tic54x.h" | |
30 | ||
d3ce72d0 NC |
31 | static int has_lkaddr (unsigned short, const insn_template *); |
32 | static int get_insn_size (unsigned short, const insn_template *); | |
6e917903 TW |
33 | static int print_instruction (disassemble_info *, bfd_vma, |
34 | unsigned short, const char *, | |
35 | const enum optype [], int, int); | |
36 | static int print_parallel_instruction (disassemble_info *, bfd_vma, | |
d3ce72d0 NC |
37 | unsigned short, |
38 | const insn_template *, int); | |
d83c6548 | 39 | static int sprint_dual_address (disassemble_info *,char [], |
5c84d377 | 40 | unsigned short); |
d83c6548 | 41 | static int sprint_indirect_address (disassemble_info *,char [], |
5c84d377 | 42 | unsigned short); |
d83c6548 | 43 | static int sprint_direct_address (disassemble_info *,char [], |
5c84d377 TW |
44 | unsigned short); |
45 | static int sprint_mmr (disassemble_info *,char [],int); | |
46 | static int sprint_condition (disassemble_info *,char *,unsigned short); | |
47 | static int sprint_cc2 (disassemble_info *,char *,unsigned short); | |
48 | ||
49 | int | |
6e917903 | 50 | print_insn_tic54x (bfd_vma memaddr, disassemble_info *info) |
5c84d377 | 51 | { |
d83c6548 | 52 | bfd_byte opbuf[2]; |
5c84d377 TW |
53 | unsigned short opcode; |
54 | int status, size; | |
d3ce72d0 | 55 | const insn_template* tm; |
5c84d377 TW |
56 | |
57 | status = (*info->read_memory_func) (memaddr, opbuf, 2, info); | |
58 | if (status != 0) | |
59 | { | |
33822a8e | 60 | (*info->memory_error_func) (status, memaddr, info); |
5c84d377 TW |
61 | return -1; |
62 | } | |
63 | ||
33822a8e | 64 | opcode = bfd_getl16 (opbuf); |
6e917903 | 65 | tm = tic54x_get_insn (info, memaddr, opcode, &size); |
5c84d377 | 66 | |
5c84d377 TW |
67 | info->bytes_per_line = 2; |
68 | info->bytes_per_chunk = 2; | |
69 | info->octets_per_byte = 2; | |
70 | info->display_endian = BFD_ENDIAN_LITTLE; | |
71 | ||
6e917903 | 72 | if (tm->flags & FL_PAR) |
5c84d377 | 73 | { |
6e917903 | 74 | if (!print_parallel_instruction (info, memaddr, opcode, tm, size)) |
5c84d377 TW |
75 | return -1; |
76 | } | |
77 | else | |
78 | { | |
d83c6548 | 79 | if (!print_instruction (info, memaddr, opcode, |
6e917903 TW |
80 | (char *) tm->name, |
81 | tm->operand_types, | |
82 | size, (tm->flags & FL_EXT))) | |
5c84d377 TW |
83 | return -1; |
84 | } | |
85 | ||
33822a8e | 86 | return size * 2; |
5c84d377 TW |
87 | } |
88 | ||
89 | static int | |
d3ce72d0 | 90 | has_lkaddr (unsigned short memdata, const insn_template *tm) |
5c84d377 | 91 | { |
6e917903 | 92 | return (IS_LKADDR (memdata) |
33822a8e KH |
93 | && (OPTYPE (tm->operand_types[0]) == OP_Smem |
94 | || OPTYPE (tm->operand_types[1]) == OP_Smem | |
95 | || OPTYPE (tm->operand_types[2]) == OP_Smem | |
6e917903 TW |
96 | || OPTYPE (tm->operand_types[1]) == OP_Sind |
97 | || OPTYPE (tm->operand_types[0]) == OP_Lmem | |
98 | || OPTYPE (tm->operand_types[1]) == OP_Lmem)); | |
5c84d377 TW |
99 | } |
100 | ||
101 | /* always returns 1 (whether an insn template was found) since we provide an | |
102 | "unknown instruction" template */ | |
d3ce72d0 NC |
103 | const insn_template* |
104 | tic54x_get_insn (disassemble_info *info, bfd_vma addr, | |
6e917903 | 105 | unsigned short memdata, int *size) |
5c84d377 | 106 | { |
d3ce72d0 | 107 | const insn_template *tm = NULL; |
5c84d377 | 108 | |
6e917903 | 109 | for (tm = tic54x_optab; tm->name; tm++) |
5c84d377 | 110 | { |
6e917903 | 111 | if (tm->opcode == (memdata & tm->mask)) |
5c84d377 TW |
112 | { |
113 | /* a few opcodes span two words */ | |
114 | if (tm->flags & FL_EXT) | |
115 | { | |
116 | /* if lk addressing is used, the second half of the opcode gets | |
117 | pushed one word later */ | |
118 | bfd_byte opbuf[2]; | |
6e917903 | 119 | bfd_vma addr2 = addr + 1 + has_lkaddr (memdata, tm); |
33822a8e | 120 | int status = (*info->read_memory_func) (addr2, opbuf, 2, info); |
6e917903 | 121 | // FIXME handle errors |
5c84d377 TW |
122 | if (status == 0) |
123 | { | |
6e917903 TW |
124 | unsigned short data2 = bfd_getl16 (opbuf); |
125 | if (tm->opcode2 == (data2 & tm->mask2)) | |
5c84d377 | 126 | { |
6e917903 TW |
127 | if (size) *size = get_insn_size (memdata, tm); |
128 | return tm; | |
5c84d377 TW |
129 | } |
130 | } | |
131 | } | |
132 | else | |
133 | { | |
6e917903 TW |
134 | if (size) *size = get_insn_size (memdata, tm); |
135 | return tm; | |
5c84d377 TW |
136 | } |
137 | } | |
138 | } | |
d3ce72d0 | 139 | for (tm = (insn_template *) tic54x_paroptab; tm->name; tm++) |
5c84d377 | 140 | { |
6e917903 | 141 | if (tm->opcode == (memdata & tm->mask)) |
5c84d377 | 142 | { |
6e917903 TW |
143 | if (size) *size = get_insn_size (memdata, tm); |
144 | return tm; | |
5c84d377 TW |
145 | } |
146 | } | |
147 | ||
6e917903 TW |
148 | if (size) *size = 1; |
149 | return &tic54x_unknown_opcode; | |
5c84d377 TW |
150 | } |
151 | ||
d83c6548 | 152 | static int |
d3ce72d0 | 153 | get_insn_size (unsigned short memdata, const insn_template *insn) |
5c84d377 TW |
154 | { |
155 | int size; | |
156 | ||
6e917903 | 157 | if (insn->flags & FL_PAR) |
5c84d377 TW |
158 | { |
159 | /* only non-parallel instructions support lk addressing */ | |
6e917903 | 160 | size = insn->words; |
5c84d377 TW |
161 | } |
162 | else | |
163 | { | |
6e917903 | 164 | size = insn->words + has_lkaddr (memdata, insn); |
5c84d377 TW |
165 | } |
166 | ||
167 | return size; | |
168 | } | |
169 | ||
170 | int | |
171 | print_instruction (info, memaddr, opcode, tm_name, tm_operands, size, ext) | |
172 | disassemble_info *info; | |
173 | bfd_vma memaddr; | |
174 | unsigned short opcode; | |
6e917903 TW |
175 | const char *tm_name; |
176 | const enum optype tm_operands[]; | |
5c84d377 TW |
177 | int size; |
178 | int ext; | |
179 | { | |
180 | static int n; | |
181 | /* string storage for multiple operands */ | |
182 | char operand[4][64] = { {0},{0},{0},{0}, }; | |
183 | bfd_byte buf[2]; | |
fc05c67f NC |
184 | unsigned long opcode2 = 0; |
185 | unsigned long lkaddr = 0; | |
5c84d377 TW |
186 | enum optype src = OP_None; |
187 | enum optype dst = OP_None; | |
188 | int i, shift; | |
189 | char *comma = ""; | |
190 | ||
191 | info->fprintf_func (info->stream, "%-7s", tm_name); | |
192 | ||
193 | if (size > 1) | |
194 | { | |
33822a8e | 195 | int status = (*info->read_memory_func) (memaddr + 1, buf, 2, info); |
5c84d377 TW |
196 | if (status != 0) |
197 | return 0; | |
33822a8e | 198 | lkaddr = opcode2 = bfd_getl16 (buf); |
5c84d377 TW |
199 | if (size > 2) |
200 | { | |
33822a8e | 201 | status = (*info->read_memory_func) (memaddr + 2, buf, 2, info); |
5c84d377 TW |
202 | if (status != 0) |
203 | return 0; | |
33822a8e | 204 | opcode2 = bfd_getl16 (buf); |
5c84d377 TW |
205 | } |
206 | } | |
207 | ||
33822a8e | 208 | for (i = 0; i < MAX_OPERANDS && OPTYPE (tm_operands[i]) != OP_None; i++) |
5c84d377 TW |
209 | { |
210 | char *next_comma = ","; | |
211 | int optional = (tm_operands[i] & OPT) != 0; | |
212 | ||
33822a8e | 213 | switch (OPTYPE (tm_operands[i])) |
5c84d377 TW |
214 | { |
215 | case OP_Xmem: | |
33822a8e | 216 | sprint_dual_address (info, operand[i], XMEM (opcode)); |
5c84d377 TW |
217 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
218 | break; | |
219 | case OP_Ymem: | |
33822a8e | 220 | sprint_dual_address (info, operand[i], YMEM (opcode)); |
5c84d377 TW |
221 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
222 | break; | |
223 | case OP_Smem: | |
224 | case OP_Sind: | |
225 | case OP_Lmem: | |
226 | info->fprintf_func (info->stream, "%s", comma); | |
33822a8e | 227 | if (INDIRECT (opcode)) |
5c84d377 | 228 | { |
33822a8e | 229 | if (MOD (opcode) >= 12) |
5c84d377 TW |
230 | { |
231 | bfd_vma addr = lkaddr; | |
33822a8e KH |
232 | int arf = ARF (opcode); |
233 | int mod = MOD (opcode); | |
5c84d377 TW |
234 | if (mod == 15) |
235 | info->fprintf_func (info->stream, "*("); | |
236 | else | |
d83c6548 | 237 | info->fprintf_func (info->stream, "*%sar%d(", |
5c84d377 TW |
238 | (mod == 13 || mod == 14 ? "+" : ""), |
239 | arf); | |
33822a8e | 240 | (*(info->print_address_func)) ((bfd_vma) addr, info); |
d83c6548 | 241 | info->fprintf_func (info->stream, ")%s", |
5c84d377 TW |
242 | mod == 14 ? "%" : ""); |
243 | } | |
244 | else | |
245 | { | |
246 | sprint_indirect_address (info, operand[i], opcode); | |
247 | info->fprintf_func (info->stream, "%s", operand[i]); | |
248 | } | |
249 | } | |
250 | else | |
251 | { | |
252 | /* FIXME -- use labels (print_address_func) */ | |
253 | /* in order to do this, we need to guess what DP is */ | |
254 | sprint_direct_address (info, operand[i], opcode); | |
255 | info->fprintf_func (info->stream, "%s", operand[i]); | |
256 | } | |
257 | break; | |
258 | case OP_dmad: | |
259 | info->fprintf_func (info->stream, "%s", comma); | |
33822a8e | 260 | (*(info->print_address_func)) ((bfd_vma) opcode2, info); |
5c84d377 TW |
261 | break; |
262 | case OP_xpmad: | |
263 | /* upper 7 bits of address are in the opcode */ | |
33822a8e | 264 | opcode2 += ((unsigned long) opcode & 0x7F) << 16; |
5c84d377 TW |
265 | /* fall through */ |
266 | case OP_pmad: | |
267 | info->fprintf_func (info->stream, "%s", comma); | |
33822a8e | 268 | (*(info->print_address_func)) ((bfd_vma) opcode2, info); |
5c84d377 TW |
269 | break; |
270 | case OP_MMRX: | |
33822a8e | 271 | sprint_mmr (info, operand[i], MMRX (opcode)); |
5c84d377 TW |
272 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
273 | break; | |
274 | case OP_MMRY: | |
33822a8e | 275 | sprint_mmr (info, operand[i], MMRY (opcode)); |
5c84d377 TW |
276 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
277 | break; | |
278 | case OP_MMR: | |
33822a8e | 279 | sprint_mmr (info, operand[i], MMR (opcode)); |
5c84d377 TW |
280 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
281 | break; | |
282 | case OP_PA: | |
33822a8e | 283 | sprintf (operand[i], "pa%d", (unsigned) opcode2); |
5c84d377 TW |
284 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
285 | break; | |
286 | case OP_SRC: | |
33822a8e | 287 | src = SRC (ext ? opcode2 : opcode) ? OP_B : OP_A; |
5c84d377 TW |
288 | sprintf (operand[i], (src == OP_B) ? "b" : "a"); |
289 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
290 | break; | |
291 | case OP_SRC1: | |
33822a8e | 292 | src = SRC1 (ext ? opcode2 : opcode) ? OP_B : OP_A; |
5c84d377 TW |
293 | sprintf (operand[i], (src == OP_B) ? "b" : "a"); |
294 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
295 | break; | |
296 | case OP_RND: | |
33822a8e | 297 | dst = DST (opcode) ? OP_B : OP_A; |
5c84d377 TW |
298 | sprintf (operand[i], (dst == OP_B) ? "a" : "b"); |
299 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
300 | break; | |
301 | case OP_DST: | |
33822a8e | 302 | dst = DST (ext ? opcode2 : opcode) ? OP_B : OP_A; |
5c84d377 TW |
303 | if (!optional || dst != src) |
304 | { | |
305 | sprintf (operand[i], (dst == OP_B) ? "b" : "a"); | |
306 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
307 | } | |
308 | else | |
309 | next_comma = comma; | |
310 | break; | |
311 | case OP_B: | |
312 | sprintf (operand[i], "b"); | |
313 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
314 | break; | |
315 | case OP_A: | |
316 | sprintf (operand[i], "a"); | |
317 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
318 | break; | |
319 | case OP_ARX: | |
33822a8e | 320 | sprintf (operand[i], "ar%d", (int) ARX (opcode)); |
5c84d377 TW |
321 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
322 | break; | |
323 | case OP_SHIFT: | |
33822a8e | 324 | shift = SHIFT (ext ? opcode2 : opcode); |
5c84d377 TW |
325 | if (!optional || shift != 0) |
326 | { | |
33822a8e | 327 | sprintf (operand[i], "%d", shift); |
5c84d377 TW |
328 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
329 | } | |
330 | else | |
331 | next_comma = comma; | |
332 | break; | |
333 | case OP_SHFT: | |
33822a8e | 334 | shift = SHFT (opcode); |
5c84d377 TW |
335 | if (!optional || shift != 0) |
336 | { | |
33822a8e | 337 | sprintf (operand[i], "%d", (unsigned) shift); |
5c84d377 TW |
338 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
339 | } | |
340 | else | |
341 | next_comma = comma; | |
342 | break; | |
343 | case OP_lk: | |
33822a8e | 344 | sprintf (operand[i], "#%d", (int) (short) opcode2); |
5c84d377 TW |
345 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
346 | break; | |
347 | case OP_T: | |
348 | sprintf (operand[i], "t"); | |
349 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
350 | break; | |
351 | case OP_TS: | |
352 | sprintf (operand[i], "ts"); | |
353 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
354 | break; | |
355 | case OP_k8: | |
33822a8e | 356 | sprintf (operand[i], "%d", (int) ((signed char) (opcode & 0xFF))); |
5c84d377 TW |
357 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
358 | break; | |
359 | case OP_16: | |
360 | sprintf (operand[i], "16"); | |
361 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
362 | break; | |
363 | case OP_ASM: | |
364 | sprintf (operand[i], "asm"); | |
365 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
366 | break; | |
367 | case OP_BITC: | |
33822a8e | 368 | sprintf (operand[i], "%d", (int) (opcode & 0xF)); |
5c84d377 TW |
369 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
370 | break; | |
371 | case OP_CC: | |
372 | /* put all CC operands in the same operand */ | |
373 | sprint_condition (info, operand[i], opcode); | |
374 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
375 | i = MAX_OPERANDS; | |
376 | break; | |
377 | case OP_CC2: | |
378 | sprint_cc2 (info, operand[i], opcode); | |
379 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
380 | break; | |
381 | case OP_CC3: | |
382 | { | |
383 | const char *code[] = { "eq", "lt", "gt", "neq" }; | |
137f2437 NC |
384 | |
385 | /* Do not use sprintf with only two parameters as a | |
386 | compiler warning could be generated in such conditions. */ | |
387 | sprintf (operand[i], "%s", code[CC3 (opcode)]); | |
5c84d377 TW |
388 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
389 | break; | |
390 | } | |
391 | case OP_123: | |
392 | { | |
33822a8e | 393 | int code = (opcode >> 8) & 0x3; |
5c84d377 TW |
394 | sprintf (operand[i], "%d", (code == 0) ? 1 : (code == 2) ? 2 : 3); |
395 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
396 | break; | |
397 | } | |
398 | case OP_k5: | |
d83c6548 | 399 | sprintf (operand[i], "#%d", |
33822a8e | 400 | (int) (((signed char) opcode & 0x1F) << 3) >> 3); |
5c84d377 TW |
401 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
402 | break; | |
403 | case OP_k8u: | |
33822a8e | 404 | sprintf (operand[i], "#%d", (unsigned) (opcode & 0xFF)); |
5c84d377 TW |
405 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
406 | break; | |
407 | case OP_k3: | |
33822a8e | 408 | sprintf (operand[i], "#%d", (int) (opcode & 0x7)); |
5c84d377 TW |
409 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
410 | break; | |
411 | case OP_lku: | |
33822a8e | 412 | sprintf (operand[i], "#%d", (unsigned) opcode2); |
5c84d377 TW |
413 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
414 | break; | |
415 | case OP_N: | |
416 | n = (opcode >> 9) & 0x1; | |
417 | sprintf (operand[i], "st%d", n); | |
418 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
419 | break; | |
420 | case OP_SBIT: | |
421 | { | |
422 | const char *status0[] = { | |
d83c6548 | 423 | "0", "1", "2", "3", "4", "5", "6", "7", "8", |
5c84d377 TW |
424 | "ovb", "ova", "c", "tc", "13", "14", "15" |
425 | }; | |
426 | const char *status1[] = { | |
d83c6548 | 427 | "0", "1", "2", "3", "4", |
5c84d377 TW |
428 | "cmpt", "frct", "c16", "sxm", "ovm", "10", |
429 | "intm", "hm", "xf", "cpl", "braf" | |
430 | }; | |
d83c6548 | 431 | sprintf (operand[i], "%s", |
33822a8e | 432 | n ? status1[SBIT (opcode)] : status0[SBIT (opcode)]); |
5c84d377 TW |
433 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
434 | break; | |
435 | } | |
436 | case OP_12: | |
33822a8e | 437 | sprintf (operand[i], "%d", (int) ((opcode >> 9) & 1) + 1); |
5c84d377 TW |
438 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
439 | break; | |
440 | case OP_TRN: | |
441 | sprintf (operand[i], "trn"); | |
442 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
443 | break; | |
444 | case OP_DP: | |
445 | sprintf (operand[i], "dp"); | |
446 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
447 | break; | |
448 | case OP_k9: | |
449 | /* FIXME-- this is DP, print the original address? */ | |
33822a8e | 450 | sprintf (operand[i], "#%d", (int) (opcode & 0x1FF)); |
5c84d377 TW |
451 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
452 | break; | |
453 | case OP_ARP: | |
454 | sprintf (operand[i], "arp"); | |
455 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
456 | break; | |
457 | case OP_031: | |
33822a8e | 458 | sprintf (operand[i], "%d", (int) (opcode & 0x1F)); |
5c84d377 TW |
459 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); |
460 | break; | |
461 | default: | |
462 | sprintf (operand[i], "??? (0x%x)", tm_operands[i]); | |
463 | info->fprintf_func (info->stream, "%s%s", comma, operand[i]); | |
464 | break; | |
465 | } | |
466 | comma = next_comma; | |
467 | } | |
468 | return 1; | |
469 | } | |
470 | ||
471 | static int | |
472 | print_parallel_instruction (info, memaddr, opcode, ptm, size) | |
473 | disassemble_info *info; | |
474 | bfd_vma memaddr; | |
475 | unsigned short opcode; | |
d3ce72d0 | 476 | const insn_template *ptm; |
5c84d377 TW |
477 | int size; |
478 | { | |
d83c6548 | 479 | print_instruction (info, memaddr, opcode, |
5c84d377 TW |
480 | ptm->name, ptm->operand_types, size, 0); |
481 | info->fprintf_func (info->stream, " || "); | |
d83c6548 | 482 | return print_instruction (info, memaddr, opcode, |
5c84d377 TW |
483 | ptm->parname, ptm->paroperand_types, size, 0); |
484 | } | |
485 | ||
486 | static int | |
487 | sprint_dual_address (info, buf, code) | |
d83c6548 | 488 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
489 | char buf[]; |
490 | unsigned short code; | |
491 | { | |
492 | const char *formats[] = { | |
493 | "*ar%d", | |
494 | "*ar%d-", | |
495 | "*ar%d+", | |
496 | "*ar%d+0%%", | |
497 | }; | |
33822a8e | 498 | return sprintf (buf, formats[XMOD (code)], XARX (code)); |
5c84d377 TW |
499 | } |
500 | ||
501 | static int | |
502 | sprint_indirect_address (info, buf, opcode) | |
d83c6548 | 503 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
504 | char buf[]; |
505 | unsigned short opcode; | |
506 | { | |
507 | const char *formats[] = { | |
508 | "*ar%d", | |
509 | "*ar%d-", | |
510 | "*ar%d+", | |
511 | "*+ar%d", | |
512 | "*ar%d-0B", | |
513 | "*ar%d-0", | |
514 | "*ar%d+0", | |
515 | "*ar%d+0B", | |
516 | "*ar%d-%%", | |
517 | "*ar%d-0%%", | |
518 | "*ar%d+%%", | |
519 | "*ar%d+0%%", | |
520 | }; | |
33822a8e | 521 | return sprintf (buf, formats[MOD (opcode)], ARF (opcode)); |
5c84d377 TW |
522 | } |
523 | ||
524 | static int | |
525 | sprint_direct_address (info, buf, opcode) | |
d83c6548 | 526 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
527 | char buf[]; |
528 | unsigned short opcode; | |
529 | { | |
530 | /* FIXME -- look up relocation if available */ | |
6e917903 | 531 | return sprintf (buf, "DP+0x%02x", (int) (opcode & 0x7F)); |
5c84d377 TW |
532 | } |
533 | ||
534 | static int | |
535 | sprint_mmr (info, buf, mmr) | |
d83c6548 | 536 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
537 | char buf[]; |
538 | int mmr; | |
539 | { | |
33822a8e | 540 | symbol *reg = (symbol *) mmregs; |
5c84d377 TW |
541 | while (reg->name != NULL) |
542 | { | |
543 | if (mmr == reg->value) | |
544 | { | |
33822a8e | 545 | sprintf (buf, "%s", (reg + 1)->name); |
5c84d377 TW |
546 | return 1; |
547 | } | |
548 | ++reg; | |
549 | } | |
d1e28e24 | 550 | sprintf (buf, "MMR(%d)", mmr); /* FIXME -- different targets. */ |
5c84d377 TW |
551 | return 0; |
552 | } | |
553 | ||
554 | static int | |
555 | sprint_cc2 (info, buf, opcode) | |
d83c6548 | 556 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
557 | char *buf; |
558 | unsigned short opcode; | |
559 | { | |
560 | const char *cc2[] = { | |
561 | "??", "??", "ageq", "alt", "aneq", "aeq", "agt", "aleq", | |
562 | "??", "??", "bgeq", "blt", "bneq", "beq", "bgt", "bleq", | |
563 | }; | |
564 | return sprintf (buf, "%s", cc2[opcode & 0xF]); | |
565 | } | |
566 | ||
567 | static int | |
568 | sprint_condition (info, buf, opcode) | |
d83c6548 | 569 | disassemble_info *info ATTRIBUTE_UNUSED; |
5c84d377 TW |
570 | char *buf; |
571 | unsigned short opcode; | |
572 | { | |
573 | char *start = buf; | |
574 | const char *cmp[] = { | |
575 | "??", "??", "geq", "lt", "neq", "eq", "gt", "leq" | |
576 | }; | |
577 | if (opcode & 0x40) | |
578 | { | |
579 | char acc = (opcode & 0x8) ? 'b' : 'a'; | |
580 | if (opcode & 0x7) | |
33822a8e KH |
581 | buf += sprintf (buf, "%c%s%s", acc, cmp[(opcode & 0x7)], |
582 | (opcode & 0x20) ? ", " : ""); | |
5c84d377 | 583 | if (opcode & 0x20) |
33822a8e | 584 | buf += sprintf (buf, "%c%s", acc, (opcode & 0x10) ? "ov" : "nov"); |
5c84d377 TW |
585 | } |
586 | else if (opcode & 0x3F) | |
587 | { | |
588 | if (opcode & 0x30) | |
d83c6548 | 589 | buf += sprintf (buf, "%s%s", |
5c84d377 TW |
590 | ((opcode & 0x30) == 0x30) ? "tc" : "ntc", |
591 | (opcode & 0x0F) ? ", " : ""); | |
592 | if (opcode & 0x0C) | |
d83c6548 | 593 | buf += sprintf (buf, "%s%s", |
5c84d377 TW |
594 | ((opcode & 0x0C) == 0x0C) ? "c" : "nc", |
595 | (opcode & 0x03) ? ", " : ""); | |
596 | if (opcode & 0x03) | |
d83c6548 | 597 | buf += sprintf (buf, "%s", |
5c84d377 TW |
598 | ((opcode & 0x03) == 0x03) ? "bio" : "nbio"); |
599 | } | |
600 | else | |
601 | buf += sprintf (buf, "unc"); | |
602 | ||
603 | return buf - start; | |
604 | } |