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Fix os_printf_filtered; Flush stdout after calling printf_filtered
[deliverable/binutils-gdb.git] / sim / d10v / simops.c
1 #include "config.h"
2
3 #include <signal.h>
4 #include <errno.h>
5 #include <sys/types.h>
6 #include <sys/stat.h>
7 #ifdef HAVE_UNISTD_H
8 #include <unistd.h>
9 #endif
10
11 #include "d10v_sim.h"
12 #include "simops.h"
13 #include "sys/syscall.h"
14
15 extern char *strrchr ();
16
17 enum op_types {
18 OP_VOID,
19 OP_REG,
20 OP_REG_OUTPUT,
21 OP_DREG,
22 OP_DREG_OUTPUT,
23 OP_ACCUM,
24 OP_ACCUM_OUTPUT,
25 OP_ACCUM_REVERSE,
26 OP_CR,
27 OP_CR_OUTPUT,
28 OP_CR_REVERSE,
29 OP_FLAG,
30 OP_FLAG_OUTPUT,
31 OP_CONSTANT16,
32 OP_CONSTANT8,
33 OP_CONSTANT3,
34 OP_CONSTANT4,
35 OP_MEMREF,
36 OP_MEMREF2,
37 OP_POSTDEC,
38 OP_POSTINC,
39 OP_PREDEC,
40 OP_R2,
41 OP_R3,
42 OP_R4,
43 OP_R2R3
44 };
45
46 #ifdef DEBUG
47 static void trace_input_func PARAMS ((char *name,
48 enum op_types in1,
49 enum op_types in2,
50 enum op_types in3));
51
52 #define trace_input(name, in1, in2, in3) do { if (d10v_debug) trace_input_func (name, in1, in2, in3); } while (0)
53
54 static void trace_output_func PARAMS ((enum op_types result));
55
56 #define trace_output(result) do { if (d10v_debug) trace_output_func (result); } while (0)
57
58 #ifndef SIZE_INSTRUCTION
59 #define SIZE_INSTRUCTION 8
60 #endif
61
62 #ifndef SIZE_OPERANDS
63 #define SIZE_OPERANDS 18
64 #endif
65
66 #ifndef SIZE_VALUES
67 #define SIZE_VALUES 13
68 #endif
69
70 #ifndef SIZE_LOCATION
71 #define SIZE_LOCATION 20
72 #endif
73
74 #ifndef SIZE_PC
75 #define SIZE_PC 6
76 #endif
77
78 #ifndef SIZE_LINE_NUMBER
79 #define SIZE_LINE_NUMBER 4
80 #endif
81
82 static void
83 trace_input_func (name, in1, in2, in3)
84 char *name;
85 enum op_types in1;
86 enum op_types in2;
87 enum op_types in3;
88 {
89 char *comma;
90 enum op_types in[3];
91 int i;
92 char buf[1024];
93 char *p;
94 long tmp;
95 char *type;
96 const char *filename;
97 const char *functionname;
98 unsigned int linenumber;
99 bfd_vma byte_pc;
100
101 if ((d10v_debug & DEBUG_TRACE) == 0)
102 return;
103
104 switch (State.ins_type)
105 {
106 default:
107 case INS_UNKNOWN: type = " ?"; break;
108 case INS_LEFT: type = " L"; break;
109 case INS_RIGHT: type = " R"; break;
110 case INS_LEFT_PARALLEL: type = "*L"; break;
111 case INS_RIGHT_PARALLEL: type = "*R"; break;
112 case INS_LEFT_COND_TEST: type = "?L"; break;
113 case INS_RIGHT_COND_TEST: type = "?R"; break;
114 case INS_LEFT_COND_EXE: type = "&L"; break;
115 case INS_RIGHT_COND_EXE: type = "&R"; break;
116 case INS_LONG: type = " B"; break;
117 }
118
119 if ((d10v_debug & DEBUG_LINE_NUMBER) == 0)
120 (*d10v_callback->printf_filtered) (d10v_callback,
121 "0x%.*x %s: %-*s ",
122 SIZE_PC, (unsigned)PC,
123 type,
124 SIZE_INSTRUCTION, name);
125
126 else
127 {
128 buf[0] = '\0';
129 byte_pc = decode_pc ();
130 if (text && byte_pc >= text_start && byte_pc < text_end)
131 {
132 filename = (const char *)0;
133 functionname = (const char *)0;
134 linenumber = 0;
135 if (bfd_find_nearest_line (exec_bfd, text, (struct symbol_cache_entry **)0, byte_pc - text_start,
136 &filename, &functionname, &linenumber))
137 {
138 p = buf;
139 if (linenumber)
140 {
141 sprintf (p, "#%-*d ", SIZE_LINE_NUMBER, linenumber);
142 p += strlen (p);
143 }
144 else
145 {
146 sprintf (p, "%-*s ", SIZE_LINE_NUMBER+1, "---");
147 p += SIZE_LINE_NUMBER+2;
148 }
149
150 if (functionname)
151 {
152 sprintf (p, "%s ", functionname);
153 p += strlen (p);
154 }
155 else if (filename)
156 {
157 char *q = strrchr (filename, '/');
158 sprintf (p, "%s ", (q) ? q+1 : filename);
159 p += strlen (p);
160 }
161
162 if (*p == ' ')
163 *p = '\0';
164 }
165 }
166
167 (*d10v_callback->printf_filtered) (d10v_callback,
168 "0x%.*x %s: %-*.*s %-*s ",
169 SIZE_PC, (unsigned)PC,
170 type,
171 SIZE_LOCATION, SIZE_LOCATION, buf,
172 SIZE_INSTRUCTION, name);
173 }
174
175 in[0] = in1;
176 in[1] = in2;
177 in[2] = in3;
178 comma = "";
179 p = buf;
180 for (i = 0; i < 3; i++)
181 {
182 switch (in[i])
183 {
184 case OP_VOID:
185 case OP_R2:
186 case OP_R3:
187 case OP_R4:
188 case OP_R2R3:
189 break;
190
191 case OP_REG:
192 case OP_REG_OUTPUT:
193 case OP_DREG:
194 case OP_DREG_OUTPUT:
195 sprintf (p, "%sr%d", comma, OP[i]);
196 p += strlen (p);
197 comma = ",";
198 break;
199
200 case OP_CR:
201 case OP_CR_OUTPUT:
202 case OP_CR_REVERSE:
203 sprintf (p, "%scr%d", comma, OP[i]);
204 p += strlen (p);
205 comma = ",";
206 break;
207
208 case OP_ACCUM:
209 case OP_ACCUM_OUTPUT:
210 case OP_ACCUM_REVERSE:
211 sprintf (p, "%sa%d", comma, OP[i]);
212 p += strlen (p);
213 comma = ",";
214 break;
215
216 case OP_CONSTANT16:
217 sprintf (p, "%s%d", comma, OP[i]);
218 p += strlen (p);
219 comma = ",";
220 break;
221
222 case OP_CONSTANT8:
223 sprintf (p, "%s%d", comma, SEXT8(OP[i]));
224 p += strlen (p);
225 comma = ",";
226 break;
227
228 case OP_CONSTANT4:
229 sprintf (p, "%s%d", comma, SEXT4(OP[i]));
230 p += strlen (p);
231 comma = ",";
232 break;
233
234 case OP_CONSTANT3:
235 sprintf (p, "%s%d", comma, SEXT3(OP[i]));
236 p += strlen (p);
237 comma = ",";
238 break;
239
240 case OP_MEMREF:
241 sprintf (p, "%s@r%d", comma, OP[i]);
242 p += strlen (p);
243 comma = ",";
244 break;
245
246 case OP_MEMREF2:
247 sprintf (p, "%s@(%d,r%d)", comma, (int16)OP[i], OP[i+1]);
248 p += strlen (p);
249 comma = ",";
250 break;
251
252 case OP_POSTINC:
253 sprintf (p, "%s@r%d+", comma, OP[i]);
254 p += strlen (p);
255 comma = ",";
256 break;
257
258 case OP_POSTDEC:
259 sprintf (p, "%s@r%d-", comma, OP[i]);
260 p += strlen (p);
261 comma = ",";
262 break;
263
264 case OP_PREDEC:
265 sprintf (p, "%s@-r%d", comma, OP[i]);
266 p += strlen (p);
267 comma = ",";
268 break;
269
270 case OP_FLAG:
271 case OP_FLAG_OUTPUT:
272 if (OP[i] == 0)
273 sprintf (p, "%sf0", comma);
274
275 else if (OP[i] == 1)
276 sprintf (p, "%sf1", comma);
277
278 else
279 sprintf (p, "%sc", comma);
280
281 p += strlen (p);
282 comma = ",";
283 break;
284 }
285 }
286
287 if ((d10v_debug & DEBUG_VALUES) == 0)
288 {
289 *p++ = '\n';
290 *p = '\0';
291 (*d10v_callback->printf_filtered) (d10v_callback, "%s", buf);
292 }
293 else
294 {
295 *p = '\0';
296 (*d10v_callback->printf_filtered) (d10v_callback, "%-*s", SIZE_OPERANDS, buf);
297
298 p = buf;
299 for (i = 0; i < 3; i++)
300 {
301 buf[0] = '\0';
302 switch (in[i])
303 {
304 case OP_VOID:
305 (*d10v_callback->printf_filtered) (d10v_callback, "%*s", SIZE_VALUES, "");
306 break;
307
308 case OP_REG_OUTPUT:
309 case OP_DREG_OUTPUT:
310 case OP_CR_OUTPUT:
311 case OP_ACCUM_OUTPUT:
312 case OP_FLAG_OUTPUT:
313 (*d10v_callback->printf_filtered) (d10v_callback, "%*s", SIZE_VALUES, "---");
314 break;
315
316 case OP_REG:
317 case OP_MEMREF:
318 case OP_POSTDEC:
319 case OP_POSTINC:
320 case OP_PREDEC:
321 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
322 (uint16)State.regs[OP[i]]);
323 break;
324
325 case OP_DREG:
326 tmp = (long)((((uint32) State.regs[OP[i]]) << 16) | ((uint32) State.regs[OP[i]+1]));
327 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.8lx", SIZE_VALUES-10, "", tmp);
328 break;
329
330 case OP_CR:
331 case OP_CR_REVERSE:
332 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
333 (uint16)State.cregs[OP[i]]);
334 break;
335
336 case OP_ACCUM:
337 case OP_ACCUM_REVERSE:
338 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.2x%.8lx", SIZE_VALUES-12, "",
339 ((int)(State.a[OP[i]] >> 32) & 0xff),
340 ((unsigned long)State.a[OP[i]]) & 0xffffffff);
341 break;
342
343 case OP_CONSTANT16:
344 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
345 (uint16)OP[i]);
346 break;
347
348 case OP_CONSTANT4:
349 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
350 (uint16)SEXT4(OP[i]));
351 break;
352
353 case OP_CONSTANT8:
354 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
355 (uint16)SEXT8(OP[i]));
356 break;
357
358 case OP_CONSTANT3:
359 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
360 (uint16)SEXT3(OP[i]));
361 break;
362
363 case OP_FLAG:
364 if (OP[i] == 0)
365 (*d10v_callback->printf_filtered) (d10v_callback, "%*sF0 = %d", SIZE_VALUES-6, "",
366 State.F0 != 0);
367
368 else if (OP[i] == 1)
369 (*d10v_callback->printf_filtered) (d10v_callback, "%*sF1 = %d", SIZE_VALUES-6, "",
370 State.F1 != 0);
371
372 else
373 (*d10v_callback->printf_filtered) (d10v_callback, "%*sC = %d", SIZE_VALUES-5, "",
374 State.C != 0);
375
376 break;
377
378 case OP_MEMREF2:
379 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
380 (uint16)OP[i]);
381 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
382 (uint16)State.regs[OP[++i]]);
383 break;
384
385 case OP_R2:
386 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
387 (uint16)State.regs[2]);
388 break;
389
390 case OP_R3:
391 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
392 (uint16)State.regs[3]);
393 break;
394
395 case OP_R4:
396 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
397 (uint16)State.regs[4]);
398 break;
399
400 case OP_R2R3:
401 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
402 (uint16)State.regs[2]);
403 (*d10v_callback->printf_filtered) (d10v_callback, "%*s0x%.4x", SIZE_VALUES-6, "",
404 (uint16)State.regs[3]);
405 i++;
406 break;
407 }
408 }
409 }
410
411 (*d10v_callback->flush_stdout) (d10v_callback);
412 }
413
414 static void
415 trace_output_func (result)
416 enum op_types result;
417 {
418 if ((d10v_debug & (DEBUG_TRACE | DEBUG_VALUES)) == (DEBUG_TRACE | DEBUG_VALUES))
419 {
420 long tmp;
421
422 switch (result)
423 {
424 default:
425 putchar ('\n');
426 break;
427
428 case OP_REG:
429 case OP_REG_OUTPUT:
430 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.4x F0=%d F1=%d C=%d\n", SIZE_VALUES-6, "",
431 (uint16)State.regs[OP[0]],
432 State.F0 != 0, State.F1 != 0, State.C != 0);
433 break;
434
435 case OP_DREG:
436 case OP_DREG_OUTPUT:
437 tmp = (long)((((uint32) State.regs[OP[0]]) << 16) | ((uint32) State.regs[OP[0]+1]));
438 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.8lx F0=%d F1=%d C=%d\n", SIZE_VALUES-10, "", tmp,
439 State.F0 != 0, State.F1 != 0, State.C != 0);
440 break;
441
442 case OP_CR:
443 case OP_CR_OUTPUT:
444 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.4x F0=%d F1=%d C=%d\n", SIZE_VALUES-6, "",
445 (uint16)State.cregs[OP[0]],
446 State.F0 != 0, State.F1 != 0, State.C != 0);
447 break;
448
449 case OP_CR_REVERSE:
450 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.4x F0=%d F1=%d C=%d\n", SIZE_VALUES-6, "",
451 (uint16)State.cregs[OP[1]],
452 State.F0 != 0, State.F1 != 0, State.C != 0);
453 break;
454
455 case OP_ACCUM:
456 case OP_ACCUM_OUTPUT:
457 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.2x%.8lx F0=%d F1=%d C=%d\n", SIZE_VALUES-12, "",
458 ((int)(State.a[OP[0]] >> 32) & 0xff),
459 ((unsigned long)State.a[OP[0]]) & 0xffffffff,
460 State.F0 != 0, State.F1 != 0, State.C != 0);
461 break;
462
463 case OP_ACCUM_REVERSE:
464 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.2x%.8lx F0=%d F1=%d C=%d\n", SIZE_VALUES-12, "",
465 ((int)(State.a[OP[1]] >> 32) & 0xff),
466 ((unsigned long)State.a[OP[1]]) & 0xffffffff,
467 State.F0 != 0, State.F1 != 0, State.C != 0);
468 break;
469
470 case OP_FLAG:
471 case OP_FLAG_OUTPUT:
472 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s F0=%d F1=%d C=%d\n", SIZE_VALUES, "",
473 State.F0 != 0, State.F1 != 0, State.C != 0);
474 break;
475
476 case OP_R2:
477 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.4x F0=%d F1=%d C=%d\n", SIZE_VALUES-6, "",
478 (uint16)State.regs[2],
479 State.F0 != 0, State.F1 != 0, State.C != 0);
480 break;
481
482 case OP_R2R3:
483 (*d10v_callback->printf_filtered) (d10v_callback, " :: %*s0x%.4x%.4x F0=%d F1=%d C=%d\n", SIZE_VALUES-10, "",
484 (uint16)State.regs[2], (uint16)State.regs[3],
485 State.F0 != 0, State.F1 != 0, State.C != 0);
486 break;
487 }
488 }
489
490 (*d10v_callback->flush_stdout) (d10v_callback);
491 }
492
493 #else
494 #define trace_input(NAME, IN1, IN2, IN3)
495 #define trace_output(RESULT)
496 #endif
497
498 /* abs */
499 void
500 OP_4607 ()
501 {
502 trace_input ("abs", OP_REG, OP_VOID, OP_VOID);
503 State.F1 = State.F0;
504 if ((int16)(State.regs[OP[0]]) < 0)
505 {
506 State.regs[OP[0]] = -(int16)(State.regs[OP[0]]);
507 State.F0 = 1;
508 }
509 else
510 State.F0 = 0;
511 trace_output (OP_REG);
512 }
513
514 /* abs */
515 void
516 OP_5607 ()
517 {
518 int64 tmp;
519
520 trace_input ("abs", OP_ACCUM, OP_VOID, OP_VOID);
521 State.F1 = State.F0;
522 State.a[OP[0]] = SEXT40(State.a[OP[0]]);
523
524 if (State.a[OP[0]] < 0 )
525 {
526 tmp = -State.a[OP[0]];
527 if (State.ST)
528 {
529 if (tmp > MAX32)
530 State.a[OP[0]] = MAX32;
531 else if (tmp < MIN32)
532 State.a[OP[0]] = MIN32;
533 else
534 State.a[OP[0]] = tmp & MASK40;
535 }
536 else
537 State.a[OP[0]] = tmp & MASK40;
538 State.F0 = 1;
539 }
540 else
541 State.F0 = 0;
542 trace_output (OP_ACCUM);
543 }
544
545 /* add */
546 void
547 OP_200 ()
548 {
549 uint16 tmp = State.regs[OP[0]];
550 trace_input ("add", OP_REG, OP_REG, OP_VOID);
551 State.regs[OP[0]] += State.regs[OP[1]];
552 if ( tmp > State.regs[OP[0]])
553 State.C = 1;
554 else
555 State.C = 0;
556 trace_output (OP_REG);
557 }
558
559 /* add */
560 void
561 OP_1201 ()
562 {
563 int64 tmp;
564 tmp = SEXT40(State.a[OP[0]]) + (SEXT16 (State.regs[OP[1]]) << 16 | State.regs[OP[1]+1]);
565
566 trace_input ("add", OP_ACCUM, OP_REG, OP_VOID);
567 if (State.ST)
568 {
569 if ( tmp > MAX32)
570 State.a[OP[0]] = MAX32;
571 else if ( tmp < MIN32)
572 State.a[OP[0]] = MIN32;
573 else
574 State.a[OP[0]] = tmp & MASK40;
575 }
576 else
577 State.a[OP[0]] = tmp & MASK40;
578 trace_output (OP_ACCUM);
579 }
580
581 /* add */
582 void
583 OP_1203 ()
584 {
585 int64 tmp;
586 tmp = SEXT40(State.a[OP[0]]) + SEXT40(State.a[OP[1]]);
587
588 trace_input ("add", OP_ACCUM, OP_ACCUM, OP_VOID);
589 if (State.ST)
590 {
591 if (tmp > MAX32)
592 State.a[OP[0]] = MAX32;
593 else if ( tmp < MIN32)
594 State.a[OP[0]] = MIN32;
595 else
596 State.a[OP[0]] = tmp & MASK40;
597 }
598 else
599 State.a[OP[0]] = tmp & MASK40;
600 trace_output (OP_ACCUM);
601 }
602
603 /* add2w */
604 void
605 OP_1200 ()
606 {
607 uint32 tmp;
608 uint32 tmp1 = (State.regs[OP[0]]) << 16 | State.regs[OP[0]+1];
609 uint32 tmp2 = (State.regs[OP[1]]) << 16 | State.regs[OP[1]+1];
610
611 trace_input ("add2w", OP_DREG, OP_DREG, OP_VOID);
612 tmp = tmp1 + tmp2;
613 if ( (tmp < tmp1) || (tmp < tmp2) )
614 State.C = 1;
615 else
616 State.C = 0;
617 State.regs[OP[0]] = tmp >> 16;
618 State.regs[OP[0]+1] = tmp & 0xFFFF;
619 trace_output (OP_DREG);
620 }
621
622 /* add3 */
623 void
624 OP_1000000 ()
625 {
626 uint16 tmp = State.regs[OP[0]];
627 State.regs[OP[0]] = State.regs[OP[1]] + OP[2];
628
629 trace_input ("add3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
630 if ( tmp > State.regs[OP[0]])
631 State.C = 1;
632 else
633 State.C = 0;
634 trace_output (OP_REG);
635 }
636
637 /* addac3 */
638 void
639 OP_17000200 ()
640 {
641 int64 tmp;
642 tmp = SEXT40(State.a[OP[2]]) + SEXT40 ((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]);
643
644 trace_input ("addac3", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
645 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
646 State.regs[OP[0]+1] = tmp & 0xffff;
647 trace_output (OP_DREG);
648 }
649
650 /* addac3 */
651 void
652 OP_17000202 ()
653 {
654 int64 tmp;
655 tmp = SEXT40(State.a[OP[1]]) + SEXT40(State.a[OP[2]]);
656
657 trace_input ("addac3", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
658 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
659 State.regs[OP[0]+1] = tmp & 0xffff;
660 trace_output (OP_DREG);
661 }
662
663 /* addac3s */
664 void
665 OP_17001200 ()
666 {
667 int64 tmp;
668 State.F1 = State.F0;
669
670 trace_input ("addac3s", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
671 tmp = SEXT40(State.a[OP[2]]) + SEXT40 ((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]);
672 if ( tmp > MAX32)
673 {
674 State.regs[OP[0]] = 0x7fff;
675 State.regs[OP[0]+1] = 0xffff;
676 State.F0 = 1;
677 }
678 else if (tmp < MIN32)
679 {
680 State.regs[OP[0]] = 0x8000;
681 State.regs[OP[0]+1] = 0;
682 State.F0 = 1;
683 }
684 else
685 {
686 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
687 State.regs[OP[0]+1] = tmp & 0xffff;
688 State.F0 = 0;
689 }
690 trace_output (OP_DREG);
691 }
692
693 /* addac3s */
694 void
695 OP_17001202 ()
696 {
697 int64 tmp;
698 State.F1 = State.F0;
699
700 trace_input ("addac3s", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
701 tmp = SEXT40(State.a[OP[1]]) + SEXT40(State.a[OP[2]]);
702 if ( tmp > MAX32)
703 {
704 State.regs[OP[0]] = 0x7fff;
705 State.regs[OP[0]+1] = 0xffff;
706 State.F0 = 1;
707 }
708 else if (tmp < MIN32)
709 {
710 State.regs[OP[0]] = 0x8000;
711 State.regs[OP[0]+1] = 0;
712 State.F0 = 1;
713 }
714 else
715 {
716 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
717 State.regs[OP[0]+1] = tmp & 0xffff;
718 State.F0 = 0;
719 }
720 trace_output (OP_DREG);
721 }
722
723 /* addi */
724 void
725 OP_201 ()
726 {
727 uint tmp = State.regs[OP[0]];
728 if (OP[1] == 0)
729 OP[1] = 16;
730 trace_input ("addi", OP_REG, OP_CONSTANT16, OP_VOID);
731 State.regs[OP[0]] += OP[1];
732 if (tmp > State.regs[OP[0]])
733 State.C = 1;
734 else
735 State.C = 0;
736 trace_output (OP_REG);
737 }
738
739 /* and */
740 void
741 OP_C00 ()
742 {
743 trace_input ("and", OP_REG, OP_REG, OP_VOID);
744 State.regs[OP[0]] &= State.regs[OP[1]];
745 trace_output (OP_REG);
746 }
747
748 /* and3 */
749 void
750 OP_6000000 ()
751 {
752 trace_input ("and3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
753 State.regs[OP[0]] = State.regs[OP[1]] & OP[2];
754 trace_output (OP_REG);
755 }
756
757 /* bclri */
758 void
759 OP_C01 ()
760 {
761 trace_input ("bclri", OP_REG, OP_CONSTANT16, OP_VOID);
762 State.regs[OP[0]] &= ~(0x8000 >> OP[1]);
763 trace_output (OP_REG);
764 }
765
766 /* bl.s */
767 void
768 OP_4900 ()
769 {
770 trace_input ("bl.s", OP_CONSTANT8, OP_R2, OP_R3);
771 State.regs[13] = PC+1;
772 JMP( PC + SEXT8 (OP[0]));
773 trace_output (OP_VOID);
774 }
775
776 /* bl.l */
777 void
778 OP_24800000 ()
779 {
780 trace_input ("bl.l", OP_CONSTANT16, OP_R2, OP_R3);
781 State.regs[13] = PC+1;
782 JMP (PC + OP[0]);
783 trace_output (OP_VOID);
784 }
785
786 /* bnoti */
787 void
788 OP_A01 ()
789 {
790 trace_input ("bnoti", OP_REG, OP_CONSTANT16, OP_VOID);
791 State.regs[OP[0]] ^= 0x8000 >> OP[1];
792 trace_output (OP_REG);
793 }
794
795 /* bra.s */
796 void
797 OP_4800 ()
798 {
799 trace_input ("bra.s", OP_CONSTANT8, OP_VOID, OP_VOID);
800 JMP (PC + SEXT8 (OP[0]));
801 trace_output (OP_VOID);
802 }
803
804 /* bra.l */
805 void
806 OP_24000000 ()
807 {
808 trace_input ("bra.l", OP_CONSTANT16, OP_VOID, OP_VOID);
809 JMP (PC + OP[0]);
810 trace_output (OP_VOID);
811 }
812
813 /* brf0f.s */
814 void
815 OP_4A00 ()
816 {
817 trace_input ("brf0f.s", OP_CONSTANT8, OP_VOID, OP_VOID);
818 if (State.F0 == 0)
819 JMP (PC + SEXT8 (OP[0]));
820 trace_output (OP_FLAG);
821 }
822
823 /* brf0f.l */
824 void
825 OP_25000000 ()
826 {
827 trace_input ("brf0f.l", OP_CONSTANT16, OP_VOID, OP_VOID);
828 if (State.F0 == 0)
829 JMP (PC + OP[0]);
830 trace_output (OP_FLAG);
831 }
832
833 /* brf0t.s */
834 void
835 OP_4B00 ()
836 {
837 trace_input ("brf0t.s", OP_CONSTANT8, OP_VOID, OP_VOID);
838 if (State.F0)
839 JMP (PC + SEXT8 (OP[0]));
840 trace_output (OP_FLAG);
841 }
842
843 /* brf0t.l */
844 void
845 OP_25800000 ()
846 {
847 trace_input ("brf0t.l", OP_CONSTANT16, OP_VOID, OP_VOID);
848 if (State.F0)
849 JMP (PC + OP[0]);
850 trace_output (OP_FLAG);
851 }
852
853 /* bseti */
854 void
855 OP_801 ()
856 {
857 trace_input ("bseti", OP_REG, OP_CONSTANT16, OP_VOID);
858 State.regs[OP[0]] |= 0x8000 >> OP[1];
859 trace_output (OP_REG);
860 }
861
862 /* btsti */
863 void
864 OP_E01 ()
865 {
866 trace_input ("btsti", OP_REG, OP_CONSTANT16, OP_VOID);
867 State.F1 = State.F0;
868 State.F0 = (State.regs[OP[0]] & (0x8000 >> OP[1])) ? 1 : 0;
869 trace_output (OP_FLAG);
870 }
871
872 /* clrac */
873 void
874 OP_5601 ()
875 {
876 trace_input ("clrac", OP_ACCUM_OUTPUT, OP_VOID, OP_VOID);
877 State.a[OP[0]] = 0;
878 trace_output (OP_ACCUM);
879 }
880
881 /* cmp */
882 void
883 OP_600 ()
884 {
885 trace_input ("cmp", OP_REG, OP_REG, OP_VOID);
886 State.F1 = State.F0;
887 State.F0 = ((int16)(State.regs[OP[0]]) < (int16)(State.regs[OP[1]])) ? 1 : 0;
888 trace_output (OP_FLAG);
889 }
890
891 /* cmp */
892 void
893 OP_1603 ()
894 {
895 trace_input ("cmp", OP_ACCUM, OP_ACCUM, OP_VOID);
896 State.F1 = State.F0;
897 State.F0 = (SEXT40(State.a[OP[0]]) < SEXT40(State.a[OP[1]])) ? 1 : 0;
898 trace_output (OP_FLAG);
899 }
900
901 /* cmpeq */
902 void
903 OP_400 ()
904 {
905 trace_input ("cmpeq", OP_REG, OP_REG, OP_VOID);
906 State.F1 = State.F0;
907 State.F0 = (State.regs[OP[0]] == State.regs[OP[1]]) ? 1 : 0;
908 trace_output (OP_FLAG);
909 }
910
911 /* cmpeq */
912 void
913 OP_1403 ()
914 {
915 trace_input ("cmpeq", OP_ACCUM, OP_ACCUM, OP_VOID);
916 State.F1 = State.F0;
917 State.F0 = ((State.a[OP[0]] & MASK40) == (State.a[OP[1]] & MASK40)) ? 1 : 0;
918 trace_output (OP_FLAG);
919 }
920
921 /* cmpeqi.s */
922 void
923 OP_401 ()
924 {
925 trace_input ("cmpeqi.s", OP_REG, OP_CONSTANT4, OP_VOID);
926 State.F1 = State.F0;
927 State.F0 = (State.regs[OP[0]] == (reg_t)SEXT4(OP[1])) ? 1 : 0;
928 trace_output (OP_FLAG);
929 }
930
931 /* cmpeqi.l */
932 void
933 OP_2000000 ()
934 {
935 trace_input ("cmpeqi.l", OP_REG, OP_CONSTANT16, OP_VOID);
936 State.F1 = State.F0;
937 State.F0 = (State.regs[OP[0]] == (reg_t)OP[1]) ? 1 : 0;
938 trace_output (OP_FLAG);
939 }
940
941 /* cmpi.s */
942 void
943 OP_601 ()
944 {
945 trace_input ("cmpi.s", OP_REG, OP_CONSTANT4, OP_VOID);
946 State.F1 = State.F0;
947 State.F0 = ((int16)(State.regs[OP[0]]) < (int16)SEXT4(OP[1])) ? 1 : 0;
948 trace_output (OP_FLAG);
949 }
950
951 /* cmpi.l */
952 void
953 OP_3000000 ()
954 {
955 trace_input ("cmpi.l", OP_REG, OP_CONSTANT16, OP_VOID);
956 State.F1 = State.F0;
957 State.F0 = ((int16)(State.regs[OP[0]]) < (int16)(OP[1])) ? 1 : 0;
958 trace_output (OP_FLAG);
959 }
960
961 /* cmpu */
962 void
963 OP_4600 ()
964 {
965 trace_input ("cmpu", OP_REG, OP_REG, OP_VOID);
966 State.F1 = State.F0;
967 State.F0 = (State.regs[OP[0]] < State.regs[OP[1]]) ? 1 : 0;
968 trace_output (OP_FLAG);
969 }
970
971 /* cmpui */
972 void
973 OP_23000000 ()
974 {
975 trace_input ("cmpui", OP_REG, OP_CONSTANT16, OP_VOID);
976 State.F1 = State.F0;
977 State.F0 = (State.regs[OP[0]] < (reg_t)OP[1]) ? 1 : 0;
978 trace_output (OP_FLAG);
979 }
980
981 /* cpfg */
982 void
983 OP_4E09 ()
984 {
985 uint8 *src, *dst;
986
987 trace_input ("cpfg", OP_FLAG_OUTPUT, OP_FLAG, OP_VOID);
988 if (OP[0] == 0)
989 dst = &State.F0;
990 else
991 dst = &State.F1;
992
993 if (OP[1] == 0)
994 src = &State.F0;
995 else if (OP[1] == 1)
996 src = &State.F1;
997 else
998 src = &State.C;
999
1000 *dst = *src;
1001 trace_output (OP_FLAG);
1002 }
1003
1004 /* dbt */
1005 void
1006 OP_5F20 ()
1007 {
1008 /* d10v_callback->printf_filtered(d10v_callback, "***** DBT ***** PC=%x\n",PC); */
1009 State.exception = SIGTRAP;
1010 }
1011
1012 /* divs */
1013 void
1014 OP_14002800 ()
1015 {
1016 uint16 foo, tmp, tmpf;
1017
1018 trace_input ("divs", OP_DREG, OP_REG, OP_VOID);
1019 foo = (State.regs[OP[0]] << 1) | (State.regs[OP[0]+1] >> 15);
1020 tmp = (int16)foo - (int16)(State.regs[OP[1]]);
1021 tmpf = (foo >= State.regs[OP[1]]) ? 1 : 0;
1022 State.regs[OP[0]] = (tmpf == 1) ? tmp : foo;
1023 State.regs[OP[0]+1] = (State.regs[OP[0]+1] << 1) | tmpf;
1024 trace_output (OP_DREG);
1025 }
1026
1027 /* exef0f */
1028 void
1029 OP_4E04 ()
1030 {
1031 trace_input ("exef0f", OP_VOID, OP_VOID, OP_VOID);
1032 State.exe = (State.F0 == 0);
1033 trace_output (OP_FLAG);
1034 }
1035
1036 /* exef0t */
1037 void
1038 OP_4E24 ()
1039 {
1040 trace_input ("exef0t", OP_VOID, OP_VOID, OP_VOID);
1041 State.exe = (State.F0 != 0);
1042 trace_output (OP_FLAG);
1043 }
1044
1045 /* exef1f */
1046 void
1047 OP_4E40 ()
1048 {
1049 trace_input ("exef1f", OP_VOID, OP_VOID, OP_VOID);
1050 State.exe = (State.F1 == 0);
1051 trace_output (OP_FLAG);
1052 }
1053
1054 /* exef1t */
1055 void
1056 OP_4E42 ()
1057 {
1058 trace_input ("exef1t", OP_VOID, OP_VOID, OP_VOID);
1059 State.exe = (State.F1 != 0);
1060 trace_output (OP_FLAG);
1061 }
1062
1063 /* exefaf */
1064 void
1065 OP_4E00 ()
1066 {
1067 trace_input ("exefaf", OP_VOID, OP_VOID, OP_VOID);
1068 State.exe = (State.F0 == 0) & (State.F1 == 0);
1069 trace_output (OP_FLAG);
1070 }
1071
1072 /* exefat */
1073 void
1074 OP_4E02 ()
1075 {
1076 trace_input ("exefat", OP_VOID, OP_VOID, OP_VOID);
1077 State.exe = (State.F0 == 0) & (State.F1 != 0);
1078 trace_output (OP_FLAG);
1079 }
1080
1081 /* exetaf */
1082 void
1083 OP_4E20 ()
1084 {
1085 trace_input ("exetaf", OP_VOID, OP_VOID, OP_VOID);
1086 State.exe = (State.F0 != 0) & (State.F1 == 0);
1087 trace_output (OP_FLAG);
1088 }
1089
1090 /* exetat */
1091 void
1092 OP_4E22 ()
1093 {
1094 trace_input ("exetat", OP_VOID, OP_VOID, OP_VOID);
1095 State.exe = (State.F0 != 0) & (State.F1 != 0);
1096 trace_output (OP_FLAG);
1097 }
1098
1099 /* exp */
1100 void
1101 OP_15002A00 ()
1102 {
1103 uint32 tmp, foo;
1104 int i;
1105
1106 trace_input ("exp", OP_REG_OUTPUT, OP_DREG, OP_VOID);
1107 if (((int16)State.regs[OP[1]]) >= 0)
1108 tmp = (State.regs[OP[1]] << 16) | State.regs[OP[1]+1];
1109 else
1110 tmp = ~((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]);
1111
1112 foo = 0x40000000;
1113 for (i=1;i<17;i++)
1114 {
1115 if (tmp & foo)
1116 {
1117 State.regs[OP[0]] = i-1;
1118 trace_output (OP_REG);
1119 return;
1120 }
1121 foo >>= 1;
1122 }
1123 State.regs[OP[0]] = 16;
1124 trace_output (OP_REG);
1125 }
1126
1127 /* exp */
1128 void
1129 OP_15002A02 ()
1130 {
1131 int64 tmp, foo;
1132 int i;
1133
1134 trace_input ("exp", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
1135 tmp = SEXT40(State.a[OP[1]]);
1136 if (tmp < 0)
1137 tmp = ~tmp & MASK40;
1138
1139 foo = 0x4000000000LL;
1140 for (i=1;i<25;i++)
1141 {
1142 if (tmp & foo)
1143 {
1144 State.regs[OP[0]] = i-9;
1145 trace_output (OP_REG);
1146 return;
1147 }
1148 foo >>= 1;
1149 }
1150 State.regs[OP[0]] = 16;
1151 trace_output (OP_REG);
1152 }
1153
1154 /* jl */
1155 void
1156 OP_4D00 ()
1157 {
1158 trace_input ("jl", OP_REG, OP_R2, OP_R3);
1159 State.regs[13] = PC+1;
1160 JMP (State.regs[OP[0]]);
1161 trace_output (OP_VOID);
1162 }
1163
1164 /* jmp */
1165 void
1166 OP_4C00 ()
1167 {
1168 trace_input ("jmp", OP_REG,
1169 (OP[0] == 13) ? OP_R2 : OP_VOID,
1170 (OP[0] == 13) ? OP_R3 : OP_VOID);
1171
1172 JMP (State.regs[OP[0]]);
1173 trace_output (OP_VOID);
1174 }
1175
1176 /* ld */
1177 void
1178 OP_30000000 ()
1179 {
1180 trace_input ("ld", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
1181 State.regs[OP[0]] = RW (OP[1] + State.regs[OP[2]]);
1182 trace_output (OP_REG);
1183 }
1184
1185 /* ld */
1186 void
1187 OP_6401 ()
1188 {
1189 trace_input ("ld", OP_REG_OUTPUT, OP_POSTDEC, OP_VOID);
1190 if ( OP[1] == 15 )
1191 {
1192 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
1193 State.exception = SIGILL;
1194 return;
1195 }
1196 State.regs[OP[0]] = RW (State.regs[OP[1]]);
1197 INC_ADDR(State.regs[OP[1]],-2);
1198 trace_output (OP_REG);
1199 }
1200
1201 /* ld */
1202 void
1203 OP_6001 ()
1204 {
1205 trace_input ("ld", OP_REG_OUTPUT, OP_POSTINC, OP_VOID);
1206 State.regs[OP[0]] = RW (State.regs[OP[1]]);
1207 INC_ADDR(State.regs[OP[1]],2);
1208 trace_output (OP_REG);
1209 }
1210
1211 /* ld */
1212 void
1213 OP_6000 ()
1214 {
1215 trace_input ("ld", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
1216 State.regs[OP[0]] = RW (State.regs[OP[1]]);
1217 trace_output (OP_REG);
1218 }
1219
1220 /* ld2w */
1221 void
1222 OP_31000000 ()
1223 {
1224 uint16 addr = State.regs[OP[2]];
1225 trace_input ("ld2w", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
1226 State.regs[OP[0]] = RW (OP[1] + addr);
1227 State.regs[OP[0]+1] = RW (OP[1] + addr + 2);
1228 trace_output (OP_DREG);
1229 }
1230
1231 /* ld2w */
1232 void
1233 OP_6601 ()
1234 {
1235 uint16 addr = State.regs[OP[1]];
1236 trace_input ("ld2w", OP_REG_OUTPUT, OP_POSTDEC, OP_VOID);
1237 if ( OP[1] == 15 )
1238 {
1239 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
1240 State.exception = SIGILL;
1241 return;
1242 }
1243 State.regs[OP[0]] = RW (addr);
1244 State.regs[OP[0]+1] = RW (addr+2);
1245 INC_ADDR(State.regs[OP[1]],-4);
1246 trace_output (OP_DREG);
1247 }
1248
1249 /* ld2w */
1250 void
1251 OP_6201 ()
1252 {
1253 uint16 addr = State.regs[OP[1]];
1254 trace_input ("ld2w", OP_REG_OUTPUT, OP_POSTINC, OP_VOID);
1255 State.regs[OP[0]] = RW (addr);
1256 State.regs[OP[0]+1] = RW (addr+2);
1257 INC_ADDR(State.regs[OP[1]],4);
1258 trace_output (OP_DREG);
1259 }
1260
1261 /* ld2w */
1262 void
1263 OP_6200 ()
1264 {
1265 uint16 addr = State.regs[OP[1]];
1266 trace_input ("ld2w", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
1267 State.regs[OP[0]] = RW (addr);
1268 State.regs[OP[0]+1] = RW (addr+2);
1269 trace_output (OP_DREG);
1270 }
1271
1272 /* ldb */
1273 void
1274 OP_38000000 ()
1275 {
1276 trace_input ("ldb", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
1277 State.regs[OP[0]] = SEXT8 (RB (OP[1] + State.regs[OP[2]]));
1278 trace_output (OP_REG);
1279 }
1280
1281 /* ldb */
1282 void
1283 OP_7000 ()
1284 {
1285 trace_input ("ldb", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
1286 State.regs[OP[0]] = SEXT8 (RB (State.regs[OP[1]]));
1287 trace_output (OP_REG);
1288 }
1289
1290 /* ldi.s */
1291 void
1292 OP_4001 ()
1293 {
1294 trace_input ("ldi.s", OP_REG_OUTPUT, OP_CONSTANT4, OP_VOID);
1295 State.regs[OP[0]] = SEXT4(OP[1]);
1296 trace_output (OP_REG);
1297 }
1298
1299 /* ldi.l */
1300 void
1301 OP_20000000 ()
1302 {
1303 trace_input ("ldi.l", OP_REG_OUTPUT, OP_CONSTANT16, OP_VOID);
1304 State.regs[OP[0]] = OP[1];
1305 trace_output (OP_REG);
1306 }
1307
1308 /* ldub */
1309 void
1310 OP_39000000 ()
1311 {
1312 trace_input ("ldub", OP_REG_OUTPUT, OP_MEMREF2, OP_VOID);
1313 State.regs[OP[0]] = RB (OP[1] + State.regs[OP[2]]);
1314 trace_output (OP_REG);
1315 }
1316
1317 /* ldub */
1318 void
1319 OP_7200 ()
1320 {
1321 trace_input ("ldub", OP_REG_OUTPUT, OP_MEMREF, OP_VOID);
1322 State.regs[OP[0]] = RB (State.regs[OP[1]]);
1323 trace_output (OP_REG);
1324 }
1325
1326 /* mac */
1327 void
1328 OP_2A00 ()
1329 {
1330 int64 tmp;
1331
1332 trace_input ("mac", OP_ACCUM, OP_REG, OP_REG);
1333 tmp = SEXT40 ((int16)(State.regs[OP[1]]) * (int16)(State.regs[OP[2]]));
1334
1335 if (State.FX)
1336 tmp = SEXT40( (tmp << 1) & MASK40);
1337
1338 if (State.ST && tmp > MAX32)
1339 tmp = MAX32;
1340
1341 tmp += SEXT40(State.a[OP[0]]);
1342 if (State.ST)
1343 {
1344 if (tmp > MAX32)
1345 State.a[OP[0]] = MAX32;
1346 else if (tmp < MIN32)
1347 State.a[OP[0]] = MIN32;
1348 else
1349 State.a[OP[0]] = tmp & MASK40;
1350 }
1351 else
1352 State.a[OP[0]] = tmp & MASK40;
1353 trace_output (OP_ACCUM);
1354 }
1355
1356 /* macsu */
1357 void
1358 OP_1A00 ()
1359 {
1360 int64 tmp;
1361
1362 trace_input ("macsu", OP_ACCUM, OP_REG, OP_REG);
1363 tmp = SEXT40 ((int16)State.regs[OP[1]] * State.regs[OP[2]]);
1364 if (State.FX)
1365 tmp = SEXT40( (tmp << 1) & MASK40);
1366
1367 State.a[OP[0]] = (SEXT40 (State.a[OP[0]]) + tmp) & MASK40;
1368 trace_output (OP_ACCUM);
1369 }
1370
1371 /* macu */
1372 void
1373 OP_3A00 ()
1374 {
1375 int64 tmp;
1376
1377 trace_input ("macu", OP_ACCUM, OP_REG, OP_REG);
1378 tmp = SEXT40 (State.regs[OP[1]] * State.regs[OP[2]]);
1379 if (State.FX)
1380 tmp = SEXT40( (tmp << 1) & MASK40);
1381 State.a[OP[0]] = (SEXT40 (State.a[OP[0]]) + tmp) & MASK40;
1382 trace_output (OP_ACCUM);
1383 }
1384
1385 /* max */
1386 void
1387 OP_2600 ()
1388 {
1389 trace_input ("max", OP_REG, OP_REG, OP_VOID);
1390 State.F1 = State.F0;
1391 if ((int16)State.regs[OP[1]] > (int16)State.regs[OP[0]])
1392 {
1393 State.regs[OP[0]] = State.regs[OP[1]];
1394 State.F0 = 1;
1395 }
1396 else
1397 State.F0 = 0;
1398 trace_output (OP_REG);
1399 }
1400
1401 /* max */
1402 void
1403 OP_3600 ()
1404 {
1405 int64 tmp;
1406
1407 trace_input ("max", OP_ACCUM, OP_DREG, OP_VOID);
1408 State.F1 = State.F0;
1409 tmp = SEXT16 (State.regs[OP[1]]) << 16 | State.regs[OP[1]+1];
1410 if (tmp > SEXT40(State.a[OP[0]]))
1411 {
1412 State.a[OP[0]] = tmp & MASK40;
1413 State.F0 = 1;
1414 }
1415 else
1416 State.F0 = 0;
1417 trace_output (OP_ACCUM);
1418 }
1419
1420 /* max */
1421 void
1422 OP_3602 ()
1423 {
1424 trace_input ("max", OP_ACCUM, OP_ACCUM, OP_VOID);
1425 State.F1 = State.F0;
1426 if (SEXT40(State.a[OP[1]]) > SEXT40(State.a[OP[0]]))
1427 {
1428 State.a[OP[0]] = State.a[OP[1]];
1429 State.F0 = 1;
1430 }
1431 else
1432 State.F0 = 0;
1433 trace_output (OP_ACCUM);
1434 }
1435
1436
1437 /* min */
1438 void
1439 OP_2601 ()
1440 {
1441 trace_input ("min", OP_REG, OP_REG, OP_VOID);
1442 State.F1 = State.F0;
1443 if ((int16)State.regs[OP[1]] < (int16)State.regs[OP[0]])
1444 {
1445 State.regs[OP[0]] = State.regs[OP[1]];
1446 State.F0 = 1;
1447 }
1448 else
1449 State.F0 = 0;
1450 trace_output (OP_REG);
1451 }
1452
1453 /* min */
1454 void
1455 OP_3601 ()
1456 {
1457 int64 tmp;
1458
1459 trace_input ("min", OP_ACCUM, OP_DREG, OP_VOID);
1460 State.F1 = State.F0;
1461 tmp = SEXT16 (State.regs[OP[1]]) << 16 | State.regs[OP[1]+1];
1462 if (tmp < SEXT40(State.a[OP[0]]))
1463 {
1464 State.a[OP[0]] = tmp & MASK40;
1465 State.F0 = 1;
1466 }
1467 else
1468 State.F0 = 0;
1469 trace_output (OP_ACCUM);
1470 }
1471
1472 /* min */
1473 void
1474 OP_3603 ()
1475 {
1476 trace_input ("min", OP_ACCUM, OP_ACCUM, OP_VOID);
1477 State.F1 = State.F0;
1478 if (SEXT40(State.a[OP[1]]) < SEXT40(State.a[OP[0]]))
1479 {
1480 State.a[OP[0]] = State.a[OP[1]];
1481 State.F0 = 1;
1482 }
1483 else
1484 State.F0 = 0;
1485 trace_output (OP_ACCUM);
1486 }
1487
1488 /* msb */
1489 void
1490 OP_2800 ()
1491 {
1492 int64 tmp;
1493
1494 trace_input ("msb", OP_ACCUM, OP_REG, OP_REG);
1495 tmp = SEXT40 ((int16)(State.regs[OP[1]]) * (int16)(State.regs[OP[2]]));
1496
1497 if (State.FX)
1498 tmp = SEXT40 ((tmp << 1) & MASK40);
1499
1500 if (State.ST && tmp > MAX32)
1501 tmp = MAX32;
1502
1503 tmp = SEXT40(State.a[OP[0]]) - tmp;
1504 if (State.ST)
1505 {
1506 if (tmp > MAX32)
1507 State.a[OP[0]] = MAX32;
1508 else if (tmp < MIN32)
1509 State.a[OP[0]] = MIN32;
1510 else
1511 State.a[OP[0]] = tmp & MASK40;
1512 }
1513 else
1514 State.a[OP[0]] = tmp & MASK40;
1515 trace_output (OP_ACCUM);
1516 }
1517
1518 /* msbsu */
1519 void
1520 OP_1800 ()
1521 {
1522 int64 tmp;
1523
1524 trace_input ("msbsu", OP_ACCUM, OP_REG, OP_REG);
1525 tmp = SEXT40 ((int16)State.regs[OP[1]] * State.regs[OP[2]]);
1526 if (State.FX)
1527 tmp = SEXT40( (tmp << 1) & MASK40);
1528
1529 State.a[OP[0]] = (SEXT40 (State.a[OP[0]]) - tmp) & MASK40;
1530 trace_output (OP_ACCUM);
1531 }
1532
1533 /* msbu */
1534 void
1535 OP_3800 ()
1536 {
1537 int64 tmp;
1538
1539 trace_input ("msbu", OP_ACCUM, OP_REG, OP_REG);
1540 tmp = SEXT40 (State.regs[OP[1]] * State.regs[OP[2]]);
1541 if (State.FX)
1542 tmp = SEXT40( (tmp << 1) & MASK40);
1543
1544 State.a[OP[0]] = (SEXT40 (State.a[OP[0]]) - tmp) & MASK40;
1545 trace_output (OP_ACCUM);
1546 }
1547
1548 /* mul */
1549 void
1550 OP_2E00 ()
1551 {
1552 trace_input ("mul", OP_REG, OP_REG, OP_VOID);
1553 State.regs[OP[0]] *= State.regs[OP[1]];
1554 trace_output (OP_REG);
1555 }
1556
1557 /* mulx */
1558 void
1559 OP_2C00 ()
1560 {
1561 int64 tmp;
1562
1563 trace_input ("mulx", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
1564 tmp = SEXT40 ((int16)(State.regs[OP[1]]) * (int16)(State.regs[OP[2]]));
1565
1566 if (State.FX)
1567 tmp = SEXT40 ((tmp << 1) & MASK40);
1568
1569 if (State.ST && tmp > MAX32)
1570 State.a[OP[0]] = MAX32;
1571 else
1572 State.a[OP[0]] = tmp & MASK40;
1573 trace_output (OP_ACCUM);
1574 }
1575
1576 /* mulxsu */
1577 void
1578 OP_1C00 ()
1579 {
1580 int64 tmp;
1581
1582 trace_input ("mulxsu", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
1583 tmp = SEXT40 ((int16)(State.regs[OP[1]]) * State.regs[OP[2]]);
1584
1585 if (State.FX)
1586 tmp <<= 1;
1587
1588 State.a[OP[0]] = tmp & MASK40;
1589 trace_output (OP_ACCUM);
1590 }
1591
1592 /* mulxu */
1593 void
1594 OP_3C00 ()
1595 {
1596 int64 tmp;
1597
1598 trace_input ("mulxu", OP_ACCUM_OUTPUT, OP_REG, OP_REG);
1599 tmp = SEXT40 (State.regs[OP[1]] * State.regs[OP[2]]);
1600
1601 if (State.FX)
1602 tmp <<= 1;
1603
1604 State.a[OP[0]] = tmp & MASK40;
1605 trace_output (OP_ACCUM);
1606 }
1607
1608 /* mv */
1609 void
1610 OP_4000 ()
1611 {
1612 trace_input ("mv", OP_REG_OUTPUT, OP_REG, OP_VOID);
1613 State.regs[OP[0]] = State.regs[OP[1]];
1614 trace_output (OP_REG);
1615 }
1616
1617 /* mv2w */
1618 void
1619 OP_5000 ()
1620 {
1621 trace_input ("mv2w", OP_DREG_OUTPUT, OP_DREG, OP_VOID);
1622 State.regs[OP[0]] = State.regs[OP[1]];
1623 State.regs[OP[0]+1] = State.regs[OP[1]+1];
1624 trace_output (OP_DREG);
1625 }
1626
1627 /* mv2wfac */
1628 void
1629 OP_3E00 ()
1630 {
1631 trace_input ("mv2wfac", OP_DREG_OUTPUT, OP_ACCUM, OP_VOID);
1632 State.regs[OP[0]] = (State.a[OP[1]] >> 16) & 0xffff;
1633 State.regs[OP[0]+1] = State.a[OP[1]] & 0xffff;
1634 trace_output (OP_DREG);
1635 }
1636
1637 /* mv2wtac */
1638 void
1639 OP_3E01 ()
1640 {
1641 trace_input ("mv2wtac", OP_DREG, OP_ACCUM_OUTPUT, OP_VOID);
1642 State.a[OP[1]] = (SEXT16 (State.regs[OP[0]]) << 16 | State.regs[OP[0]+1]) & MASK40;
1643 trace_output (OP_ACCUM_REVERSE);
1644 }
1645
1646 /* mvac */
1647 void
1648 OP_3E03 ()
1649 {
1650 trace_input ("mvac", OP_ACCUM_OUTPUT, OP_ACCUM, OP_VOID);
1651 State.a[OP[0]] = State.a[OP[1]];
1652 trace_output (OP_ACCUM);
1653 }
1654
1655 /* mvb */
1656 void
1657 OP_5400 ()
1658 {
1659 trace_input ("mvb", OP_REG_OUTPUT, OP_REG, OP_VOID);
1660 State.regs[OP[0]] = SEXT8 (State.regs[OP[1]] & 0xff);
1661 trace_output (OP_REG);
1662 }
1663
1664 /* mvf0f */
1665 void
1666 OP_4400 ()
1667 {
1668 trace_input ("mf0f", OP_REG_OUTPUT, OP_REG, OP_VOID);
1669 if (State.F0 == 0)
1670 State.regs[OP[0]] = State.regs[OP[1]];
1671 trace_output (OP_REG);
1672 }
1673
1674 /* mvf0t */
1675 void
1676 OP_4401 ()
1677 {
1678 trace_input ("mf0t", OP_REG_OUTPUT, OP_REG, OP_VOID);
1679 if (State.F0)
1680 State.regs[OP[0]] = State.regs[OP[1]];
1681 trace_output (OP_REG);
1682 }
1683
1684 /* mvfacg */
1685 void
1686 OP_1E04 ()
1687 {
1688 trace_input ("mvfacg", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
1689 State.regs[OP[0]] = (State.a[OP[1]] >> 32) & 0xff;
1690 trace_output (OP_ACCUM);
1691 }
1692
1693 /* mvfachi */
1694 void
1695 OP_1E00 ()
1696 {
1697 trace_input ("mvfachi", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
1698 State.regs[OP[0]] = (State.a[OP[1]] >> 16) & 0xffff;
1699 trace_output (OP_REG);
1700 }
1701
1702 /* mvfaclo */
1703 void
1704 OP_1E02 ()
1705 {
1706 trace_input ("mvfaclo", OP_REG_OUTPUT, OP_ACCUM, OP_VOID);
1707 State.regs[OP[0]] = State.a[OP[1]] & 0xffff;
1708 trace_output (OP_REG);
1709 }
1710
1711 /* mvfc */
1712 void
1713 OP_5200 ()
1714 {
1715 trace_input ("mvfc", OP_REG_OUTPUT, OP_CR, OP_VOID);
1716 if (OP[1] == 0)
1717 {
1718 /* PSW is treated specially */
1719 PSW = 0;
1720 if (State.SM) PSW |= 0x8000;
1721 if (State.EA) PSW |= 0x2000;
1722 if (State.DB) PSW |= 0x1000;
1723 if (State.IE) PSW |= 0x400;
1724 if (State.RP) PSW |= 0x200;
1725 if (State.MD) PSW |= 0x100;
1726 if (State.FX) PSW |= 0x80;
1727 if (State.ST) PSW |= 0x40;
1728 if (State.F0) PSW |= 8;
1729 if (State.F1) PSW |= 4;
1730 if (State.C) PSW |= 1;
1731 }
1732 State.regs[OP[0]] = State.cregs[OP[1]];
1733 trace_output (OP_REG);
1734 }
1735
1736 /* mvtacg */
1737 void
1738 OP_1E41 ()
1739 {
1740 trace_input ("mvtacg", OP_REG, OP_ACCUM, OP_VOID);
1741 State.a[OP[1]] &= MASK32;
1742 State.a[OP[1]] |= (int64)(State.regs[OP[0]] & 0xff) << 32;
1743 trace_output (OP_ACCUM_REVERSE);
1744 }
1745
1746 /* mvtachi */
1747 void
1748 OP_1E01 ()
1749 {
1750 uint16 tmp;
1751
1752 trace_input ("mvtachi", OP_REG, OP_ACCUM, OP_VOID);
1753 tmp = State.a[OP[1]] & 0xffff;
1754 State.a[OP[1]] = (SEXT16 (State.regs[OP[0]]) << 16 | tmp) & MASK40;
1755 trace_output (OP_ACCUM_REVERSE);
1756 }
1757
1758 /* mvtaclo */
1759 void
1760 OP_1E21 ()
1761 {
1762 trace_input ("mvtaclo", OP_REG, OP_ACCUM, OP_VOID);
1763 State.a[OP[1]] = (SEXT16 (State.regs[OP[0]])) & MASK40;
1764 trace_output (OP_ACCUM_REVERSE);
1765 }
1766
1767 /* mvtc */
1768 void
1769 OP_5600 ()
1770 {
1771 trace_input ("mvtc", OP_REG, OP_CR_OUTPUT, OP_VOID);
1772 State.cregs[OP[1]] = State.regs[OP[0]];
1773 if (OP[1] == 0)
1774 {
1775 /* PSW is treated specially */
1776 State.SM = (PSW & 0x8000) ? 1 : 0;
1777 State.EA = (PSW & 0x2000) ? 1 : 0;
1778 State.DB = (PSW & 0x1000) ? 1 : 0;
1779 State.IE = (PSW & 0x400) ? 1 : 0;
1780 State.RP = (PSW & 0x200) ? 1 : 0;
1781 State.MD = (PSW & 0x100) ? 1 : 0;
1782 State.FX = (PSW & 0x80) ? 1 : 0;
1783 State.ST = (PSW & 0x40) ? 1 : 0;
1784 State.F0 = (PSW & 8) ? 1 : 0;
1785 State.F1 = (PSW & 4) ? 1 : 0;
1786 State.C = PSW & 1;
1787 if (State.ST && !State.FX)
1788 {
1789 (*d10v_callback->printf_filtered) (d10v_callback,
1790 "ERROR at PC 0x%x: ST can only be set when FX is set.\n",
1791 PC<<2);
1792 State.exception = SIGILL;
1793 }
1794 }
1795 trace_output (OP_CR_REVERSE);
1796 }
1797
1798 /* mvub */
1799 void
1800 OP_5401 ()
1801 {
1802 trace_input ("mvub", OP_REG_OUTPUT, OP_REG, OP_VOID);
1803 State.regs[OP[0]] = State.regs[OP[1]] & 0xff;
1804 trace_output (OP_REG);
1805 }
1806
1807 /* neg */
1808 void
1809 OP_4605 ()
1810 {
1811 trace_input ("neg", OP_REG, OP_VOID, OP_VOID);
1812 State.regs[OP[0]] = 0 - State.regs[OP[0]];
1813 trace_output (OP_REG);
1814 }
1815
1816 /* neg */
1817 void
1818 OP_5605 ()
1819 {
1820 int64 tmp;
1821
1822 trace_input ("neg", OP_ACCUM, OP_VOID, OP_VOID);
1823 tmp = -SEXT40(State.a[OP[0]]);
1824 if (State.ST)
1825 {
1826 if ( tmp > MAX32)
1827 State.a[OP[0]] = MAX32;
1828 else if (tmp < MIN32)
1829 State.a[OP[0]] = MIN32;
1830 else
1831 State.a[OP[0]] = tmp & MASK40;
1832 }
1833 else
1834 State.a[OP[0]] = tmp & MASK40;
1835 trace_output (OP_ACCUM);
1836 }
1837
1838
1839 /* nop */
1840 void
1841 OP_5E00 ()
1842 {
1843 trace_input ("nop", OP_VOID, OP_VOID, OP_VOID);
1844
1845 ins_type_counters[ (int)State.ins_type ]--; /* don't count nops as normal instructions */
1846 switch (State.ins_type)
1847 {
1848 default:
1849 ins_type_counters[ (int)INS_UNKNOWN ]++;
1850 break;
1851
1852 case INS_LEFT_PARALLEL:
1853 /* Don't count a parallel op that includes a NOP as a true parallel op */
1854 ins_type_counters[ (int)INS_RIGHT_PARALLEL ]--;
1855 ins_type_counters[ (int)INS_RIGHT ]++;
1856 ins_type_counters[ (int)INS_LEFT_NOPS ]++;
1857 break;
1858
1859 case INS_LEFT:
1860 case INS_LEFT_COND_EXE:
1861 ins_type_counters[ (int)INS_LEFT_NOPS ]++;
1862 break;
1863
1864 case INS_RIGHT_PARALLEL:
1865 /* Don't count a parallel op that includes a NOP as a true parallel op */
1866 ins_type_counters[ (int)INS_LEFT_PARALLEL ]--;
1867 ins_type_counters[ (int)INS_LEFT ]++;
1868 ins_type_counters[ (int)INS_RIGHT_NOPS ]++;
1869 break;
1870
1871 case INS_RIGHT:
1872 case INS_RIGHT_COND_EXE:
1873 ins_type_counters[ (int)INS_RIGHT_NOPS ]++;
1874 break;
1875 }
1876
1877 trace_output (OP_VOID);
1878 }
1879
1880 /* not */
1881 void
1882 OP_4603 ()
1883 {
1884 trace_input ("not", OP_REG, OP_VOID, OP_VOID);
1885 State.regs[OP[0]] = ~(State.regs[OP[0]]);
1886 trace_output (OP_REG);
1887 }
1888
1889 /* or */
1890 void
1891 OP_800 ()
1892 {
1893 trace_input ("or", OP_REG, OP_REG, OP_VOID);
1894 State.regs[OP[0]] |= State.regs[OP[1]];
1895 trace_output (OP_REG);
1896 }
1897
1898 /* or3 */
1899 void
1900 OP_4000000 ()
1901 {
1902 trace_input ("or3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
1903 State.regs[OP[0]] = State.regs[OP[1]] | OP[2];
1904 trace_output (OP_REG);
1905 }
1906
1907 /* rac */
1908 void
1909 OP_5201 ()
1910 {
1911 int64 tmp;
1912 int shift = SEXT3 (OP[2]);
1913
1914 trace_input ("rac", OP_DREG_OUTPUT, OP_ACCUM, OP_CONSTANT3);
1915 if (OP[1] != 0)
1916 {
1917 (*d10v_callback->printf_filtered) (d10v_callback,
1918 "ERROR at PC 0x%x: instruction only valid for A0\n",
1919 PC<<2);
1920 State.exception = SIGILL;
1921 }
1922
1923 State.F1 = State.F0;
1924 if (shift >=0)
1925 tmp = ((State.a[0] << 16) | (State.a[1] & 0xffff)) << shift;
1926 else
1927 tmp = ((State.a[0] << 16) | (State.a[1] & 0xffff)) >> -shift;
1928 tmp = ( SEXT60(tmp) + 0x8000 ) >> 16;
1929 if (tmp > MAX32)
1930 {
1931 State.regs[OP[0]] = 0x7fff;
1932 State.regs[OP[0]+1] = 0xffff;
1933 State.F0 = 1;
1934 }
1935 else if (tmp < MIN32)
1936 {
1937 State.regs[OP[0]] = 0x8000;
1938 State.regs[OP[0]+1] = 0;
1939 State.F0 = 1;
1940 }
1941 else
1942 {
1943 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
1944 State.regs[OP[0]+1] = tmp & 0xffff;
1945 State.F0 = 0;
1946 }
1947 trace_output (OP_DREG);
1948 }
1949
1950 /* rachi */
1951 void
1952 OP_4201 ()
1953 {
1954 int64 tmp;
1955 int shift = SEXT3 (OP[2]);
1956
1957 trace_input ("rachi", OP_REG_OUTPUT, OP_ACCUM, OP_CONSTANT3);
1958 State.F1 = State.F0;
1959 if (shift >=0)
1960 tmp = SEXT44 (State.a[1]) << shift;
1961 else
1962 tmp = SEXT44 (State.a[1]) >> -shift;
1963 tmp += 0x8000;
1964
1965 if (tmp > MAX32)
1966 {
1967 State.regs[OP[0]] = 0x7fff;
1968 State.F0 = 1;
1969 }
1970 else if (tmp < 0xfff80000000LL)
1971 {
1972 State.regs[OP[0]] = 0x8000;
1973 State.F0 = 1;
1974 }
1975 else
1976 {
1977 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
1978 State.F0 = 0;
1979 }
1980 trace_output (OP_REG);
1981 }
1982
1983 /* rep */
1984 void
1985 OP_27000000 ()
1986 {
1987 trace_input ("rep", OP_REG, OP_CONSTANT16, OP_VOID);
1988 RPT_S = PC + 1;
1989 RPT_E = PC + OP[1];
1990 RPT_C = State.regs[OP[0]];
1991 State.RP = 1;
1992 if (RPT_C == 0)
1993 {
1994 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: rep with count=0 is illegal.\n");
1995 State.exception = SIGILL;
1996 }
1997 if (OP[1] < 4)
1998 {
1999 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: rep must include at least 4 instructions.\n");
2000 State.exception = SIGILL;
2001 }
2002 trace_output (OP_VOID);
2003 }
2004
2005 /* repi */
2006 void
2007 OP_2F000000 ()
2008 {
2009 trace_input ("repi", OP_CONSTANT16, OP_CONSTANT16, OP_VOID);
2010 RPT_S = PC + 1;
2011 RPT_E = PC + OP[1];
2012 RPT_C = OP[0];
2013 State.RP = 1;
2014 if (RPT_C == 0)
2015 {
2016 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: repi with count=0 is illegal.\n");
2017 State.exception = SIGILL;
2018 }
2019 if (OP[1] < 4)
2020 {
2021 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: repi must include at least 4 instructions.\n");
2022 State.exception = SIGILL;
2023 }
2024 trace_output (OP_VOID);
2025 }
2026
2027 /* rtd */
2028 void
2029 OP_5F60 ()
2030 {
2031 d10v_callback->printf_filtered(d10v_callback, "ERROR: rtd - NOT IMPLEMENTED\n");
2032 State.exception = SIGILL;
2033 }
2034
2035 /* rte */
2036 void
2037 OP_5F40 ()
2038 {
2039 trace_input ("rte", OP_VOID, OP_VOID, OP_VOID);
2040 PC = BPC;
2041 PSW = BPSW;
2042 trace_output (OP_VOID);
2043 }
2044
2045 /* sadd */
2046 void
2047 OP_1223 ()
2048 {
2049 int64 tmp;
2050
2051 trace_input ("sadd", OP_ACCUM, OP_ACCUM, OP_VOID);
2052 tmp = SEXT40(State.a[OP[0]]) + (SEXT40(State.a[OP[1]]) >> 16);
2053 if (State.ST)
2054 {
2055 if (tmp > MAX32)
2056 State.a[OP[0]] = MAX32;
2057 else if (tmp < MIN32)
2058 State.a[OP[0]] = MIN32;
2059 else
2060 State.a[OP[0]] = tmp & MASK40;
2061 }
2062 else
2063 State.a[OP[0]] = tmp & MASK40;
2064 trace_output (OP_ACCUM);
2065 }
2066
2067 /* setf0f */
2068 void
2069 OP_4611 ()
2070 {
2071 trace_input ("setf0f", OP_REG_OUTPUT, OP_VOID, OP_VOID);
2072 State.regs[OP[0]] = (State.F0 == 0) ? 1 : 0;
2073 trace_output (OP_REG);
2074 }
2075
2076 /* setf0t */
2077 void
2078 OP_4613 ()
2079 {
2080 trace_input ("setf0t", OP_REG_OUTPUT, OP_VOID, OP_VOID);
2081 State.regs[OP[0]] = (State.F0 == 1) ? 1 : 0;
2082 trace_output (OP_REG);
2083 }
2084
2085 /* sleep */
2086 void
2087 OP_5FC0 ()
2088 {
2089 trace_input ("sleep", OP_VOID, OP_VOID, OP_VOID);
2090 State.IE = 1;
2091 trace_output (OP_VOID);
2092 }
2093
2094 /* sll */
2095 void
2096 OP_2200 ()
2097 {
2098 trace_input ("sll", OP_REG, OP_REG, OP_VOID);
2099 State.regs[OP[0]] <<= (State.regs[OP[1]] & 0xf);
2100 trace_output (OP_REG);
2101 }
2102
2103 /* sll */
2104 void
2105 OP_3200 ()
2106 {
2107 int64 tmp;
2108 trace_input ("sll", OP_ACCUM, OP_REG, OP_VOID);
2109 if ((State.regs[OP[1]] & 31) <= 16)
2110 tmp = SEXT40 (State.a[OP[0]]) << (State.regs[OP[1]] & 31);
2111 else
2112 {
2113 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: shift value %d too large.\n", State.regs[OP[1]] & 31);
2114 State.exception = SIGILL;
2115 return;
2116 }
2117
2118 if (State.ST)
2119 {
2120 if (tmp > MAX32)
2121 State.a[OP[0]] = MAX32;
2122 else if (tmp < 0xffffff80000000LL)
2123 State.a[OP[0]] = MIN32;
2124 else
2125 State.a[OP[0]] = tmp & MASK40;
2126 }
2127 else
2128 State.a[OP[0]] = tmp & MASK40;
2129 trace_output (OP_ACCUM);
2130 }
2131
2132 /* slli */
2133 void
2134 OP_2201 ()
2135 {
2136 trace_input ("slli", OP_REG, OP_CONSTANT16, OP_VOID);
2137 State.regs[OP[0]] <<= OP[1];
2138 trace_output (OP_REG);
2139 }
2140
2141 /* slli */
2142 void
2143 OP_3201 ()
2144 {
2145 int64 tmp;
2146
2147 if (OP[1] == 0)
2148 OP[1] = 16;
2149
2150 trace_input ("slli", OP_ACCUM, OP_CONSTANT16, OP_VOID);
2151 tmp = SEXT40(State.a[OP[0]]) << OP[1];
2152
2153 if (State.ST)
2154 {
2155 if (tmp > MAX32)
2156 State.a[OP[0]] = MAX32;
2157 else if (tmp < 0xffffff80000000LL)
2158 State.a[OP[0]] = MIN32;
2159 else
2160 State.a[OP[0]] = tmp & MASK40;
2161 }
2162 else
2163 State.a[OP[0]] = tmp & MASK40;
2164 trace_output (OP_ACCUM);
2165 }
2166
2167 /* slx */
2168 void
2169 OP_460B ()
2170 {
2171 trace_input ("slx", OP_REG, OP_FLAG, OP_VOID);
2172 State.regs[OP[0]] = (State.regs[OP[0]] << 1) | State.F0;
2173 trace_output (OP_REG);
2174 }
2175
2176 /* sra */
2177 void
2178 OP_2400 ()
2179 {
2180 trace_input ("sra", OP_REG, OP_REG, OP_VOID);
2181 State.regs[OP[0]] = ((int16)(State.regs[OP[0]])) >> (State.regs[OP[1]] & 0xf);
2182 trace_output (OP_REG);
2183 }
2184
2185 /* sra */
2186 void
2187 OP_3400 ()
2188 {
2189 trace_input ("sra", OP_ACCUM, OP_REG, OP_VOID);
2190 if ((State.regs[OP[1]] & 31) <= 16)
2191 State.a[OP[0]] = (SEXT40(State.a[OP[0]]) >> (State.regs[OP[1]] & 31)) & MASK40;
2192 else
2193 {
2194 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: shift value %d too large.\n", State.regs[OP[1]] & 31);
2195 State.exception = SIGILL;
2196 return;
2197 }
2198
2199 trace_output (OP_ACCUM);
2200 }
2201
2202 /* srai */
2203 void
2204 OP_2401 ()
2205 {
2206 trace_input ("srai", OP_REG, OP_CONSTANT16, OP_VOID);
2207 State.regs[OP[0]] = ((int16)(State.regs[OP[0]])) >> OP[1];
2208 trace_output (OP_REG);
2209 }
2210
2211 /* srai */
2212 void
2213 OP_3401 ()
2214 {
2215 if (OP[1] == 0)
2216 OP[1] = 16;
2217
2218 trace_input ("srai", OP_ACCUM, OP_CONSTANT16, OP_VOID);
2219 State.a[OP[0]] = (SEXT40(State.a[OP[0]]) >> OP[1]) & MASK40;
2220 trace_output (OP_ACCUM);
2221 }
2222
2223 /* srl */
2224 void
2225 OP_2000 ()
2226 {
2227 trace_input ("srl", OP_REG, OP_REG, OP_VOID);
2228 State.regs[OP[0]] >>= (State.regs[OP[1]] & 0xf);
2229 trace_output (OP_REG);
2230 }
2231
2232 /* srl */
2233 void
2234 OP_3000 ()
2235 {
2236 trace_input ("srl", OP_ACCUM, OP_REG, OP_VOID);
2237 if ((State.regs[OP[1]] & 31) <= 16)
2238 State.a[OP[0]] = (uint64)((State.a[OP[0]] & MASK40) >> (State.regs[OP[1]] & 31));
2239 else
2240 {
2241 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: shift value %d too large.\n", State.regs[OP[1]] & 31);
2242 State.exception = SIGILL;
2243 return;
2244 }
2245
2246 trace_output (OP_ACCUM);
2247 }
2248
2249 /* srli */
2250 void
2251 OP_2001 ()
2252 {
2253 trace_input ("srli", OP_REG, OP_CONSTANT16, OP_VOID);
2254 State.regs[OP[0]] >>= OP[1];
2255 trace_output (OP_REG);
2256 }
2257
2258 /* srli */
2259 void
2260 OP_3001 ()
2261 {
2262 if (OP[1] == 0)
2263 OP[1] = 16;
2264
2265 trace_input ("srli", OP_ACCUM, OP_CONSTANT16, OP_VOID);
2266 State.a[OP[0]] = (uint64)(State.a[OP[0]] & MASK40) >> OP[1];
2267 trace_output (OP_ACCUM);
2268 }
2269
2270 /* srx */
2271 void
2272 OP_4609 ()
2273 {
2274 uint16 tmp;
2275
2276 trace_input ("srx", OP_REG, OP_FLAG, OP_VOID);
2277 tmp = State.F0 << 15;
2278 State.regs[OP[0]] = (State.regs[OP[0]] >> 1) | tmp;
2279 trace_output (OP_REG);
2280 }
2281
2282 /* st */
2283 void
2284 OP_34000000 ()
2285 {
2286 trace_input ("st", OP_REG, OP_MEMREF2, OP_VOID);
2287 SW (OP[1] + State.regs[OP[2]], State.regs[OP[0]]);
2288 trace_output (OP_VOID);
2289 }
2290
2291 /* st */
2292 void
2293 OP_6800 ()
2294 {
2295 trace_input ("st", OP_REG, OP_MEMREF, OP_VOID);
2296 SW (State.regs[OP[1]], State.regs[OP[0]]);
2297 trace_output (OP_VOID);
2298 }
2299
2300 /* st */
2301 void
2302 OP_6C1F ()
2303 {
2304 trace_input ("st", OP_REG, OP_PREDEC, OP_VOID);
2305 if ( OP[1] != 15 )
2306 {
2307 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot pre-decrement any registers but r15 (SP).\n");
2308 State.exception = SIGILL;
2309 return;
2310 }
2311 State.regs[OP[1]] -= 2;
2312 SW (State.regs[OP[1]], State.regs[OP[0]]);
2313 trace_output (OP_VOID);
2314 }
2315
2316 /* st */
2317 void
2318 OP_6801 ()
2319 {
2320 trace_input ("st", OP_REG, OP_POSTINC, OP_VOID);
2321 SW (State.regs[OP[1]], State.regs[OP[0]]);
2322 INC_ADDR (State.regs[OP[1]],2);
2323 trace_output (OP_VOID);
2324 }
2325
2326 /* st */
2327 void
2328 OP_6C01 ()
2329 {
2330 trace_input ("st", OP_REG, OP_POSTDEC, OP_VOID);
2331 if ( OP[1] == 15 )
2332 {
2333 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
2334 State.exception = SIGILL;
2335 return;
2336 }
2337 SW (State.regs[OP[1]], State.regs[OP[0]]);
2338 INC_ADDR (State.regs[OP[1]],-2);
2339 trace_output (OP_VOID);
2340 }
2341
2342 /* st2w */
2343 void
2344 OP_35000000 ()
2345 {
2346 trace_input ("st2w", OP_DREG, OP_MEMREF2, OP_VOID);
2347 SW (State.regs[OP[2]]+OP[1], State.regs[OP[0]]);
2348 SW (State.regs[OP[2]]+OP[1]+2, State.regs[OP[0]+1]);
2349 trace_output (OP_VOID);
2350 }
2351
2352 /* st2w */
2353 void
2354 OP_6A00 ()
2355 {
2356 trace_input ("st2w", OP_DREG, OP_MEMREF, OP_VOID);
2357 SW (State.regs[OP[1]], State.regs[OP[0]]);
2358 SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
2359 trace_output (OP_VOID);
2360 }
2361
2362 /* st2w */
2363 void
2364 OP_6E1F ()
2365 {
2366 trace_input ("st2w", OP_DREG, OP_PREDEC, OP_VOID);
2367 if ( OP[1] != 15 )
2368 {
2369 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot pre-decrement any registers but r15 (SP).\n");
2370 State.exception = SIGILL;
2371 return;
2372 }
2373 State.regs[OP[1]] -= 4;
2374 SW (State.regs[OP[1]], State.regs[OP[0]]);
2375 SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
2376 trace_output (OP_VOID);
2377 }
2378
2379 /* st2w */
2380 void
2381 OP_6A01 ()
2382 {
2383 trace_input ("st2w", OP_DREG, OP_POSTDEC, OP_VOID);
2384 if ( OP[1] == 15 )
2385 {
2386 (*d10v_callback->printf_filtered) (d10v_callback, "ERROR: cannot post-decrement register r15 (SP).\n");
2387 State.exception = SIGILL;
2388 return;
2389 }
2390 SW (State.regs[OP[1]], State.regs[OP[0]]);
2391 SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
2392 INC_ADDR (State.regs[OP[1]],4);
2393 trace_output (OP_VOID);
2394 }
2395
2396 /* st2w */
2397 void
2398 OP_6E01 ()
2399 {
2400 trace_input ("st2w", OP_DREG, OP_POSTINC, OP_VOID);
2401 SW (State.regs[OP[1]], State.regs[OP[0]]);
2402 SW (State.regs[OP[1]]+2, State.regs[OP[0]+1]);
2403 INC_ADDR (State.regs[OP[1]],-4);
2404 trace_output (OP_VOID);
2405 }
2406
2407 /* stb */
2408 void
2409 OP_3C000000 ()
2410 {
2411 trace_input ("stb", OP_REG, OP_MEMREF2, OP_VOID);
2412 SB (State.regs[OP[2]]+OP[1], State.regs[OP[0]]);
2413 trace_output (OP_VOID);
2414 }
2415
2416 /* stb */
2417 void
2418 OP_7800 ()
2419 {
2420 trace_input ("stb", OP_REG, OP_MEMREF, OP_VOID);
2421 SB (State.regs[OP[1]], State.regs[OP[0]]);
2422 trace_output (OP_VOID);
2423 }
2424
2425 /* stop */
2426 void
2427 OP_5FE0 ()
2428 {
2429 trace_input ("stop", OP_VOID, OP_VOID, OP_VOID);
2430 State.exception = SIG_D10V_STOP;
2431 trace_output (OP_VOID);
2432 }
2433
2434 /* sub */
2435 void
2436 OP_0 ()
2437 {
2438 int32 tmp;
2439
2440 trace_input ("sub", OP_REG, OP_REG, OP_VOID);
2441 tmp = (int16)State.regs[OP[0]]- (int16)State.regs[OP[1]];
2442 State.C = (tmp & 0xffff0000) ? 1 : 0;
2443 State.regs[OP[0]] = tmp & 0xffff;
2444 trace_output (OP_REG);
2445 }
2446
2447 /* sub */
2448 void
2449 OP_1001 ()
2450 {
2451 int64 tmp;
2452
2453 trace_input ("sub", OP_ACCUM, OP_DREG, OP_VOID);
2454 tmp = SEXT40(State.a[OP[0]]) - (SEXT16 (State.regs[OP[1]]) << 16 | State.regs[OP[1]+1]);
2455 if (State.ST)
2456 {
2457 if ( tmp > MAX32)
2458 State.a[OP[0]] = MAX32;
2459 else if ( tmp < MIN32)
2460 State.a[OP[0]] = MIN32;
2461 else
2462 State.a[OP[0]] = tmp & MASK40;
2463 }
2464 else
2465 State.a[OP[0]] = tmp & MASK40;
2466
2467 trace_output (OP_ACCUM);
2468 }
2469
2470 /* sub */
2471
2472 void
2473 OP_1003 ()
2474 {
2475 int64 tmp;
2476
2477 trace_input ("sub", OP_ACCUM, OP_ACCUM, OP_VOID);
2478 tmp = SEXT40(State.a[OP[0]]) - SEXT40(State.a[OP[1]]);
2479 if (State.ST)
2480 {
2481 if (tmp > MAX32)
2482 State.a[OP[0]] = MAX32;
2483 else if ( tmp < MIN32)
2484 State.a[OP[0]] = MIN32;
2485 else
2486 State.a[OP[0]] = tmp & MASK40;
2487 }
2488 else
2489 State.a[OP[0]] = tmp & MASK40;
2490
2491 trace_output (OP_ACCUM);
2492 }
2493
2494 /* sub2w */
2495 void
2496 OP_1000 ()
2497 {
2498 int64 tmp;
2499 uint32 a,b;
2500
2501 trace_input ("sub2w", OP_DREG, OP_DREG, OP_VOID);
2502 a = (int32)((State.regs[OP[0]] << 16) | State.regs[OP[0]+1]);
2503 b = (int32)((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]);
2504 tmp = (int64)a-b;
2505 State.C = (tmp & 0xffffffff00000000LL) ? 1 : 0;
2506 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
2507 State.regs[OP[0]+1] = tmp & 0xffff;
2508 trace_output (OP_DREG);
2509 }
2510
2511 /* subac3 */
2512 void
2513 OP_17000000 ()
2514 {
2515 int64 tmp;
2516
2517 trace_input ("subac3", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
2518 tmp = SEXT40 ((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]) - SEXT40 (State.a[OP[2]]);
2519 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
2520 State.regs[OP[0]+1] = tmp & 0xffff;
2521 trace_output (OP_DREG);
2522 }
2523
2524 /* subac3 */
2525 void
2526 OP_17000002 ()
2527 {
2528 int64 tmp;
2529
2530 trace_input ("subac3", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
2531 tmp = SEXT40(State.a[OP[1]]) - SEXT40(State.a[OP[2]]);
2532 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
2533 State.regs[OP[0]+1] = tmp & 0xffff;
2534 trace_output (OP_DREG);
2535 }
2536
2537 /* subac3s */
2538 void
2539 OP_17001000 ()
2540 {
2541 int64 tmp;
2542
2543 trace_input ("subac3s", OP_DREG_OUTPUT, OP_DREG, OP_ACCUM);
2544 State.F1 = State.F0;
2545 tmp = SEXT40 ((State.regs[OP[1]] << 16) | State.regs[OP[1]+1]) - SEXT40(State.a[OP[2]]);
2546 if ( tmp > MAX32)
2547 {
2548 State.regs[OP[0]] = 0x7fff;
2549 State.regs[OP[0]+1] = 0xffff;
2550 State.F0 = 1;
2551 }
2552 else if (tmp < MIN32)
2553 {
2554 State.regs[OP[0]] = 0x8000;
2555 State.regs[OP[0]+1] = 0;
2556 State.F0 = 1;
2557 }
2558 else
2559 {
2560 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
2561 State.regs[OP[0]+1] = tmp & 0xffff;
2562 State.F0 = 0;
2563 }
2564 trace_output (OP_DREG);
2565 }
2566
2567 /* subac3s */
2568 void
2569 OP_17001002 ()
2570 {
2571 int64 tmp;
2572
2573 trace_input ("subac3s", OP_DREG_OUTPUT, OP_ACCUM, OP_ACCUM);
2574 State.F1 = State.F0;
2575 tmp = SEXT40(State.a[OP[1]]) - SEXT40(State.a[OP[2]]);
2576 if ( tmp > MAX32)
2577 {
2578 State.regs[OP[0]] = 0x7fff;
2579 State.regs[OP[0]+1] = 0xffff;
2580 State.F0 = 1;
2581 }
2582 else if (tmp < MIN32)
2583 {
2584 State.regs[OP[0]] = 0x8000;
2585 State.regs[OP[0]+1] = 0;
2586 State.F0 = 1;
2587 }
2588 else
2589 {
2590 State.regs[OP[0]] = (tmp >> 16) & 0xffff;
2591 State.regs[OP[0]+1] = tmp & 0xffff;
2592 State.F0 = 0;
2593 }
2594 trace_output (OP_DREG);
2595 }
2596
2597 /* subi */
2598 void
2599 OP_1 ()
2600 {
2601 int32 tmp;
2602 if (OP[1] == 0)
2603 OP[1] = 16;
2604
2605 trace_input ("subi", OP_REG, OP_CONSTANT16, OP_VOID);
2606 tmp = (int16)State.regs[OP[0]] - OP[1];
2607 State.C = (tmp & 0xffff0000) ? 1 : 0;
2608 State.regs[OP[0]] = tmp & 0xffff;
2609 trace_output (OP_REG);
2610 }
2611
2612 /* trap */
2613 void
2614 OP_5F00 ()
2615 {
2616 trace_input ("trap", OP_CONSTANT4, OP_VOID, OP_VOID);
2617 trace_output (OP_VOID);
2618
2619 switch (OP[0])
2620 {
2621 default:
2622 #if 0
2623 (*d10v_callback->printf_filtered) (d10v_callback, "Unknown trap code %d\n", OP[0]);
2624 State.exception = SIGILL;
2625 #else
2626 /* Use any other traps for batch debugging. */
2627 {
2628 int i;
2629 static int first_time = 1;
2630
2631 if (first_time)
2632 {
2633 first_time = 0;
2634 (*d10v_callback->printf_filtered) (d10v_callback, "Trap # PC ");
2635 for (i = 0; i < 16; i++)
2636 (*d10v_callback->printf_filtered) (d10v_callback, " %sr%d", (i > 9) ? "" : " ", i);
2637 (*d10v_callback->printf_filtered) (d10v_callback, " a0 a1 f0 f1 c\n");
2638 }
2639
2640 (*d10v_callback->printf_filtered) (d10v_callback, "Trap %2d 0x%.4x:", (int)OP[0], (int)PC);
2641
2642 for (i = 0; i < 16; i++)
2643 (*d10v_callback->printf_filtered) (d10v_callback, " %.4x", (int) State.regs[i]);
2644
2645 for (i = 0; i < 2; i++)
2646 (*d10v_callback->printf_filtered) (d10v_callback, " %.2x%.8lx",
2647 ((int)(State.a[i] >> 32) & 0xff),
2648 ((unsigned long)State.a[i]) & 0xffffffff);
2649
2650 (*d10v_callback->printf_filtered) (d10v_callback, " %d %d %d\n",
2651 State.F0 != 0, State.F1 != 0, State.C != 0);
2652 (*d10v_callback->flush_stdout) (d10v_callback);
2653 break;
2654 #endif
2655
2656 case 0:
2657 /* Trap 0 is used for simulating low-level I/O */
2658 {
2659 errno = 0;
2660
2661 /* Registers passed to trap 0 */
2662
2663 #define FUNC State.regs[6] /* function number */
2664 #define PARM1 State.regs[2] /* optional parm 1 */
2665 #define PARM2 State.regs[3] /* optional parm 2 */
2666 #define PARM3 State.regs[4] /* optional parm 3 */
2667 #define PARM4 State.regs[5] /* optional parm 3 */
2668
2669 /* Registers set by trap 0 */
2670
2671 #define RETVAL State.regs[2] /* return value */
2672 #define RETVAL_HIGH State.regs[2] /* return value */
2673 #define RETVAL_LOW State.regs[3] /* return value */
2674 #define RETERR State.regs[4] /* return error code */
2675
2676 /* Turn a pointer in a register into a pointer into real memory. */
2677
2678 #define MEMPTR(x) ((char *)(dmem_addr(x)))
2679
2680 switch (FUNC)
2681 {
2682 #if !defined(__GO32__) && !defined(_WIN32)
2683 case SYS_fork:
2684 RETVAL = fork ();
2685 trace_input ("<fork>", OP_VOID, OP_VOID, OP_VOID);
2686 trace_output (OP_R2);
2687 break;
2688
2689 case SYS_getpid:
2690 trace_input ("<getpid>", OP_VOID, OP_VOID, OP_VOID);
2691 RETVAL = getpid ();
2692 trace_output (OP_R2);
2693 break;
2694
2695 case SYS_kill:
2696 trace_input ("<kill>", OP_REG, OP_REG, OP_VOID);
2697 if (PARM1 == getpid ())
2698 {
2699 trace_output (OP_VOID);
2700 State.exception = PARM2;
2701 }
2702 else
2703 {
2704 int os_sig = -1;
2705 switch (PARM2)
2706 {
2707 #ifdef SIGHUP
2708 case 1: os_sig = SIGHUP; break;
2709 #endif
2710 #ifdef SIGINT
2711 case 2: os_sig = SIGINT; break;
2712 #endif
2713 #ifdef SIGQUIT
2714 case 3: os_sig = SIGQUIT; break;
2715 #endif
2716 #ifdef SIGILL
2717 case 4: os_sig = SIGILL; break;
2718 #endif
2719 #ifdef SIGTRAP
2720 case 5: os_sig = SIGTRAP; break;
2721 #endif
2722 #ifdef SIGABRT
2723 case 6: os_sig = SIGABRT; break;
2724 #elif defined(SIGIOT)
2725 case 6: os_sig = SIGIOT; break;
2726 #endif
2727 #ifdef SIGEMT
2728 case 7: os_sig = SIGEMT; break;
2729 #endif
2730 #ifdef SIGFPE
2731 case 8: os_sig = SIGFPE; break;
2732 #endif
2733 #ifdef SIGKILL
2734 case 9: os_sig = SIGKILL; break;
2735 #endif
2736 #ifdef SIGBUS
2737 case 10: os_sig = SIGBUS; break;
2738 #endif
2739 #ifdef SIGSEGV
2740 case 11: os_sig = SIGSEGV; break;
2741 #endif
2742 #ifdef SIGSYS
2743 case 12: os_sig = SIGSYS; break;
2744 #endif
2745 #ifdef SIGPIPE
2746 case 13: os_sig = SIGPIPE; break;
2747 #endif
2748 #ifdef SIGALRM
2749 case 14: os_sig = SIGALRM; break;
2750 #endif
2751 #ifdef SIGTERM
2752 case 15: os_sig = SIGTERM; break;
2753 #endif
2754 #ifdef SIGURG
2755 case 16: os_sig = SIGURG; break;
2756 #endif
2757 #ifdef SIGSTOP
2758 case 17: os_sig = SIGSTOP; break;
2759 #endif
2760 #ifdef SIGTSTP
2761 case 18: os_sig = SIGTSTP; break;
2762 #endif
2763 #ifdef SIGCONT
2764 case 19: os_sig = SIGCONT; break;
2765 #endif
2766 #ifdef SIGCHLD
2767 case 20: os_sig = SIGCHLD; break;
2768 #elif defined(SIGCLD)
2769 case 20: os_sig = SIGCLD; break;
2770 #endif
2771 #ifdef SIGTTIN
2772 case 21: os_sig = SIGTTIN; break;
2773 #endif
2774 #ifdef SIGTTOU
2775 case 22: os_sig = SIGTTOU; break;
2776 #endif
2777 #ifdef SIGIO
2778 case 23: os_sig = SIGIO; break;
2779 #elif defined (SIGPOLL)
2780 case 23: os_sig = SIGPOLL; break;
2781 #endif
2782 #ifdef SIGXCPU
2783 case 24: os_sig = SIGXCPU; break;
2784 #endif
2785 #ifdef SIGXFSZ
2786 case 25: os_sig = SIGXFSZ; break;
2787 #endif
2788 #ifdef SIGVTALRM
2789 case 26: os_sig = SIGVTALRM; break;
2790 #endif
2791 #ifdef SIGPROF
2792 case 27: os_sig = SIGPROF; break;
2793 #endif
2794 #ifdef SIGWINCH
2795 case 28: os_sig = SIGWINCH; break;
2796 #endif
2797 #ifdef SIGLOST
2798 case 29: os_sig = SIGLOST; break;
2799 #endif
2800 #ifdef SIGUSR1
2801 case 30: os_sig = SIGUSR1; break;
2802 #endif
2803 #ifdef SIGUSR2
2804 case 31: os_sig = SIGUSR2; break;
2805 #endif
2806 }
2807
2808 if (os_sig == -1)
2809 {
2810 trace_output (OP_VOID);
2811 (*d10v_callback->printf_filtered) (d10v_callback, "Unknown signal %d\n", PARM2);
2812 (*d10v_callback->flush_stdout) (d10v_callback);
2813 State.exception = SIGILL;
2814 }
2815 else
2816 {
2817 RETVAL = kill (PARM1, PARM2);
2818 trace_output (OP_R2);
2819 }
2820 }
2821 break;
2822
2823 case SYS_execve:
2824 RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2),
2825 (char **)MEMPTR (PARM3));
2826 trace_input ("<execve>", OP_R2, OP_R3, OP_R4);
2827 trace_output (OP_R2);
2828 break;
2829
2830 case SYS_execv:
2831 RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL);
2832 trace_input ("<execv>", OP_R2, OP_R3, OP_VOID);
2833 trace_output (OP_R2);
2834 break;
2835
2836 case SYS_pipe:
2837 {
2838 reg_t buf;
2839 int host_fd[2];
2840
2841 buf = PARM1;
2842 RETVAL = pipe (host_fd);
2843 SW (buf, host_fd[0]);
2844 buf += sizeof(uint16);
2845 SW (buf, host_fd[1]);
2846 trace_input ("<pipe>", OP_R2, OP_VOID, OP_VOID);
2847 trace_output (OP_R2);
2848 }
2849 break;
2850
2851 case SYS_wait:
2852 {
2853 int status;
2854
2855 RETVAL = wait (&status);
2856 if (PARM1)
2857 SW (PARM1, status);
2858 trace_input ("<wait>", OP_R2, OP_VOID, OP_VOID);
2859 trace_output (OP_R2);
2860 }
2861 break;
2862 #else
2863 case SYS_getpid:
2864 trace_input ("<getpid>", OP_VOID, OP_VOID, OP_VOID);
2865 RETVAL = 1;
2866 trace_output (OP_R2);
2867 break;
2868
2869 case SYS_kill:
2870 trace_input ("<kill>", OP_REG, OP_REG, OP_VOID);
2871 trace_output (OP_VOID);
2872 State.exception = PARM2;
2873 break;
2874 #endif
2875
2876 case SYS_read:
2877 RETVAL = d10v_callback->read (d10v_callback, PARM1, MEMPTR (PARM2),
2878 PARM3);
2879 trace_input ("<read>", OP_R2, OP_R3, OP_R4);
2880 trace_output (OP_R2);
2881 break;
2882
2883 case SYS_write:
2884 if (PARM1 == 1)
2885 RETVAL = (int)d10v_callback->write_stdout (d10v_callback,
2886 MEMPTR (PARM2), PARM3);
2887 else
2888 RETVAL = (int)d10v_callback->write (d10v_callback, PARM1,
2889 MEMPTR (PARM2), PARM3);
2890 trace_input ("<write>", OP_R2, OP_R3, OP_R4);
2891 trace_output (OP_R2);
2892 break;
2893
2894 case SYS_lseek:
2895 {
2896 unsigned long ret = d10v_callback->lseek (d10v_callback, PARM1,
2897 (((unsigned long)PARM2) << 16) || (unsigned long)PARM3,
2898 PARM4);
2899 RETVAL_HIGH = ret >> 16;
2900 RETVAL_LOW = ret & 0xffff;
2901 }
2902 trace_input ("<lseek>", OP_R2, OP_R3, OP_R4);
2903 trace_output (OP_R2R3);
2904 break;
2905
2906 case SYS_close:
2907 RETVAL = d10v_callback->close (d10v_callback, PARM1);
2908 trace_input ("<close>", OP_R2, OP_VOID, OP_VOID);
2909 trace_output (OP_R2);
2910 break;
2911
2912 case SYS_open:
2913 RETVAL = d10v_callback->open (d10v_callback, MEMPTR (PARM1), PARM2);
2914 trace_input ("<open>", OP_R2, OP_R3, OP_R4);
2915 trace_output (OP_R2);
2916 trace_input ("<open>", OP_R2, OP_R3, OP_R4);
2917 trace_output (OP_R2);
2918 break;
2919
2920 case SYS_exit:
2921 State.exception = SIG_D10V_EXIT;
2922 trace_input ("<exit>", OP_R2, OP_VOID, OP_VOID);
2923 trace_output (OP_VOID);
2924 break;
2925
2926 case SYS_stat:
2927 /* stat system call */
2928 {
2929 struct stat host_stat;
2930 reg_t buf;
2931
2932 RETVAL = stat (MEMPTR (PARM1), &host_stat);
2933
2934 buf = PARM2;
2935
2936 /* The hard-coded offsets and sizes were determined by using
2937 * the D10V compiler on a test program that used struct stat.
2938 */
2939 SW (buf, host_stat.st_dev);
2940 SW (buf+2, host_stat.st_ino);
2941 SW (buf+4, host_stat.st_mode);
2942 SW (buf+6, host_stat.st_nlink);
2943 SW (buf+8, host_stat.st_uid);
2944 SW (buf+10, host_stat.st_gid);
2945 SW (buf+12, host_stat.st_rdev);
2946 SLW (buf+16, host_stat.st_size);
2947 SLW (buf+20, host_stat.st_atime);
2948 SLW (buf+28, host_stat.st_mtime);
2949 SLW (buf+36, host_stat.st_ctime);
2950 }
2951 trace_input ("<stat>", OP_R2, OP_R3, OP_VOID);
2952 trace_output (OP_R2);
2953 break;
2954
2955 case SYS_chown:
2956 RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3);
2957 trace_input ("<chown>", OP_R2, OP_R3, OP_R4);
2958 trace_output (OP_R2);
2959 break;
2960
2961 case SYS_chmod:
2962 RETVAL = chmod (MEMPTR (PARM1), PARM2);
2963 trace_input ("<chmod>", OP_R2, OP_R3, OP_R4);
2964 trace_output (OP_R2);
2965 break;
2966
2967 case SYS_utime:
2968 /* Cast the second argument to void *, to avoid type mismatch
2969 if a prototype is present. */
2970 RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2));
2971 trace_input ("<utime>", OP_R2, OP_R3, OP_R4);
2972 trace_output (OP_R2);
2973 break;
2974
2975 case SYS_time:
2976 {
2977 unsigned long ret = time (PARM1 ? MEMPTR (PARM1) : NULL);
2978 RETVAL_HIGH = ret >> 16;
2979 RETVAL_LOW = ret & 0xffff;
2980 }
2981 trace_input ("<time>", OP_R2, OP_R3, OP_R4);
2982 trace_output (OP_R2R3);
2983 break;
2984
2985 default:
2986 abort ();
2987 }
2988 RETERR = d10v_callback->get_errno(d10v_callback);
2989 break;
2990 }
2991
2992 case 1:
2993 /* Trap 1 prints a string */
2994 {
2995 char *fstr = dmem_addr(State.regs[2]);
2996 fputs (fstr, stdout);
2997 break;
2998 }
2999
3000 case 2:
3001 /* Trap 2 calls printf */
3002 {
3003 char *fstr = dmem_addr(State.regs[2]);
3004 (*d10v_callback->printf_filtered) (d10v_callback, fstr,
3005 (int16)State.regs[3],
3006 (int16)State.regs[4],
3007 (int16)State.regs[5]);
3008 (*d10v_callback->flush_stdout) (d10v_callback);
3009 break;
3010 }
3011
3012 case 3:
3013 /* Trap 3 writes a character */
3014 putchar (State.regs[2]);
3015 break;
3016 }
3017 }
3018 }
3019
3020 /* tst0i */
3021 void
3022 OP_7000000 ()
3023 {
3024 trace_input ("tst0i", OP_REG, OP_CONSTANT16, OP_VOID);
3025 State.F1 = State.F0;
3026 State.F0 = (State.regs[OP[0]] & OP[1]) ? 1 : 0;
3027 trace_output (OP_FLAG);
3028 }
3029
3030 /* tst1i */
3031 void
3032 OP_F000000 ()
3033 {
3034 trace_input ("tst1i", OP_REG, OP_CONSTANT16, OP_VOID);
3035 State.F1 = State.F0;
3036 State.F0 = (~(State.regs[OP[0]]) & OP[1]) ? 1 : 0;
3037 trace_output (OP_FLAG);
3038 }
3039
3040 /* wait */
3041 void
3042 OP_5F80 ()
3043 {
3044 trace_input ("wait", OP_VOID, OP_VOID, OP_VOID);
3045 State.IE = 1;
3046 trace_output (OP_VOID);
3047 }
3048
3049 /* xor */
3050 void
3051 OP_A00 ()
3052 {
3053 trace_input ("xor", OP_REG, OP_REG, OP_VOID);
3054 State.regs[OP[0]] ^= State.regs[OP[1]];
3055 trace_output (OP_REG);
3056 }
3057
3058 /* xor3 */
3059 void
3060 OP_5000000 ()
3061 {
3062 trace_input ("xor3", OP_REG_OUTPUT, OP_REG, OP_CONSTANT16);
3063 State.regs[OP[0]] = State.regs[OP[1]] ^ OP[2];
3064 trace_output (OP_REG);
3065 }
3066
GDB Binutils - Deliverables
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