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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [sim/] [v850/] [v850.igen] - Blame information for rev 856

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Line No. Rev Author Line
1 227 jeremybenn
:option:::insn-bit-size:16
2
:option:::hi-bit-nr:15
3
 
4
 
5
:option:::format-names:I,II,III,IV,V,VI,VII,VIII,IX,X
6
:option:::format-names:XI,XII,XIII
7
:option:::format-names:XIV,XV
8
:option:::format-names:Z
9
 
10
 
11
:model:::v850:v850:
12
 
13
:option:::multi-sim:true
14
:model:::v850e:v850e:
15
:option:::multi-sim:true
16
:model:::v850e1:v850e1:
17
 
18
// Cache macros
19
 
20
:cache:::unsigned:reg1:RRRRR:(RRRRR)
21
:cache:::unsigned:reg2:rrrrr:(rrrrr)
22
:cache:::unsigned:reg3:wwwww:(wwwww)
23
 
24
:cache:::unsigned:disp4:dddd:(dddd)
25
:cache:::unsigned:disp5:dddd:(dddd << 1)
26
:cache:::unsigned:disp7:ddddddd:ddddddd
27
:cache:::unsigned:disp8:ddddddd:(ddddddd << 1)
28
:cache:::unsigned:disp8:dddddd:(dddddd << 2)
29
:cache:::unsigned:disp9:ddddd,ddd:SEXT32 ((ddddd << 4) + (ddd << 1), 9 - 1)
30
:cache:::unsigned:disp16:dddddddddddddddd:EXTEND16 (dddddddddddddddd)
31
:cache:::unsigned:disp16:ddddddddddddddd: EXTEND16 (ddddddddddddddd << 1)
32
:cache:::unsigned:disp22:dddddd,ddddddddddddddd: SEXT32 ((dddddd << 16) + (ddddddddddddddd << 1), 22 - 1)
33
 
34
:cache:::unsigned:imm5:iiiii:SEXT32 (iiiii, 4)
35
:cache:::unsigned:imm6:iiiiii:iiiiii
36
:cache:::unsigned:imm9:iiiii,IIII:SEXT ((IIII << 5) + iiiii, 9 - 1)
37
:cache:::unsigned:imm5:iiii:(32 - (iiii << 1))
38
:cache:::unsigned:simm16:iiiiiiiiiiiiiiii:EXTEND16 (iiiiiiiiiiiiiiii)
39
:cache:::unsigned:uimm16:iiiiiiiiiiiiiiii:iiiiiiiiiiiiiiii
40
:cache:::unsigned:imm32:iiiiiiiiiiiiiiii,IIIIIIIIIIIIIIII:(iiiiiiiiiiiiiiii < 16 + IIIIIIIIIIIIIIII)
41
:cache:::unsigned:uimm32:iiiiiiiiiiiiiiii,dddddddddddddddd:((iiiiiiiiiiiiiiii << 16) + dddddddddddddddd)
42
 
43
:cache:::unsigned:vector:iiiii:iiiii
44
 
45
:cache:::unsigned:list12:L,LLLLLLLLLLL:((L << 11) + LLLLLLLLLLL)
46
:cache:::unsigned:list18:LLLL,LLLLLLLLLLLL:((LLLL << 12) + LLLLLLLLLLLL)
47
 
48
:cache:::unsigned:bit3:bbb:bbb
49
 
50
 
51
// What do we do with an illegal instruction?
52
:internal::::illegal:
53
{
54
  sim_io_eprintf (SD, "Illegal instruction at address 0x%lx\n",
55
                  (unsigned long) cia);
56
  sim_engine_halt (SD, CPU, NULL, cia, sim_signalled, SIM_SIGILL);
57
}
58
 
59
 
60
 
61
// Add
62
 
63
rrrrr,001110,RRRRR:I:::add
64
"add r, r"
65
{
66
  COMPAT_1 (OP_1C0 ());
67
}
68
 
69
rrrrr,010010,iiiii:II:::add
70
"add ,r"
71
{
72
  COMPAT_1 (OP_240 ());
73
}
74
 
75
 
76
 
77
// ADDI
78
rrrrr,110000,RRRRR + iiiiiiiiiiiiiiii:VI:::addi
79
"addi , r, r"
80
{
81
  COMPAT_2 (OP_600 ());
82
}
83
 
84
 
85
 
86
// AND
87
rrrrr,001010,RRRRR:I:::and
88
"and r, r"
89
{
90
  COMPAT_1 (OP_140 ());
91
}
92
 
93
 
94
 
95
// ANDI
96
rrrrr,110110,RRRRR + iiiiiiiiiiiiiiii:VI:::andi
97
"andi , r, r"
98
{
99
  COMPAT_2 (OP_6C0 ());
100
}
101
 
102
 
103
 
104
// Map condition code to a string
105
:%s::::cccc:int cccc
106
{
107
  switch (cccc)
108
    {
109
    case 0xf: return "gt";
110
    case 0xe: return "ge";
111
    case 0x6: return "lt";
112
 
113
    case 0x7: return "le";
114
 
115
    case 0xb: return "h";
116
    case 0x9: return "nl";
117
    case 0x1: return "l";
118
 
119
    case 0x3: return "nh";
120
 
121
    case 0x2: return "e";
122
 
123
    case 0xa: return "ne";
124
 
125
    case 0x0: return "v";
126
    case 0x8: return "nv";
127
    case 0x4: return "n";
128
    case 0xc: return "p";
129
      /* case 0x1: return "c"; */
130
      /* case 0x9: return "nc"; */
131
      /* case 0x2: return "z"; */
132
      /* case 0xa: return "nz"; */
133
    case 0x5: return "r"; /* always */
134
    case 0xd: return "sa";
135
    }
136
  return "(null)";
137
}
138
 
139
 
140
// Bcond
141
ddddd,1011,ddd,cccc:III:::Bcond
142
"b%s "
143
{
144
  int cond;
145
  if ((ddddd == 0x00) && (ddd == 0x00) && (cccc == 0x05)) {
146
    // Special case - treat "br *" like illegal instruction
147
    sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);
148
  } else {
149
    cond = condition_met (cccc);
150
    if (cond)
151
      nia = cia + disp9;
152
    TRACE_BRANCH1 (cond);
153
  }
154
}
155
 
156
 
157
 
158
// BSH
159
rrrrr,11111100000 + wwwww,01101000010:XII:::bsh
160
*v850e
161
*v850e1
162
"bsh r, r"
163
{
164
  unsigned32 value;
165
  TRACE_ALU_INPUT1 (GR[reg2]);
166
 
167
  value = (MOVED32 (GR[reg2], 23, 16, 31, 24)
168
           | MOVED32 (GR[reg2], 31, 24, 23, 16)
169
           | MOVED32 (GR[reg2], 7, 0, 15, 8)
170
           | MOVED32 (GR[reg2], 15, 8, 7, 0));
171
 
172
  GR[reg3] = value;
173
  PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
174
  if ((value & 0xffff) == 0) PSW |= PSW_Z;
175
  if (value & 0x80000000) PSW |= PSW_S;
176
  if (((value & 0xff) == 0) || ((value & 0xff00) == 0)) PSW |= PSW_CY;
177
 
178
  TRACE_ALU_RESULT (GR[reg3]);
179
}
180
 
181
// BSW
182
rrrrr,11111100000 + wwwww,01101000000:XII:::bsw
183
*v850e
184
*v850e1
185
"bsw r, r"
186
{
187
#define WORDHASNULLBYTE(x) (((x) - 0x01010101) & ~(x)&0x80808080)
188
  unsigned32 value;
189
  TRACE_ALU_INPUT1 (GR[reg2]);
190
 
191
  value = GR[reg2];
192
  value >>= 24;
193
  value |= (GR[reg2] << 24);
194
  value |= ((GR[reg2] << 8) & 0x00ff0000);
195
  value |= ((GR[reg2] >> 8) & 0x0000ff00);
196
  GR[reg3] = value;
197
 
198
  PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
199
 
200
  if (value == 0) PSW |= PSW_Z;
201
  if (value & 0x80000000) PSW |= PSW_S;
202
  if (WORDHASNULLBYTE (value)) PSW |= PSW_CY;
203
 
204
  TRACE_ALU_RESULT (GR[reg3]);
205
}
206
 
207
// CALLT
208
0000001000,iiiiii:II:::callt
209
*v850e
210
*v850e1
211
"callt "
212
{
213
  unsigned32 adr;
214
  unsigned32 off;
215
  CTPC  = cia + 2;
216
  CTPSW = PSW;
217
  adr = (CTBP & ~1) + (imm6 << 1);
218
  off = load_mem (adr, 2) & ~1; /* Force alignment */
219
  nia = (CTBP & ~1) + off;
220
  TRACE_BRANCH3 (adr, CTBP, off);
221
}
222
 
223
 
224
// CLR1
225
10,bbb,111110,RRRRR + dddddddddddddddd:VIII:::clr1
226
"clr1 , [r]"
227
{
228
  COMPAT_2 (OP_87C0 ());
229
}
230
 
231
rrrrr,111111,RRRRR + 0000000011100100:IX:::clr1
232
*v850e
233
*v850e1
234
"clr1 r, [r]"
235
{
236
  COMPAT_2 (OP_E407E0 ());
237
}
238
 
239
 
240
// CTRET
241
0000011111100000 + 0000000101000100:X:::ctret
242
*v850e
243
*v850e1
244
"ctret"
245
{
246
  nia  = (CTPC & ~1);
247
  PSW = (CTPSW & (CPU)->psw_mask);
248
  TRACE_BRANCH1 (PSW);
249
}
250
 
251
// CMOV
252
rrrrr,111111,RRRRR + wwwww,011001,cccc,0:XI:::cmov
253
*v850e
254
*v850e1
255
"cmov %s, r, r, r"
256
{
257
  int cond = condition_met (cccc);
258
  TRACE_ALU_INPUT3 (cond, GR[reg1], GR[reg2]);
259
  GR[reg3] = cond ? GR[reg1] : GR[reg2];
260
  TRACE_ALU_RESULT (GR[reg3]);
261
}
262
 
263
rrrrr,111111,iiiii + wwwww,011000,cccc,0:XII:::cmov
264
*v850e
265
*v850e1
266
"cmov %s, , r, r"
267
{
268
  int cond = condition_met (cccc);
269
  TRACE_ALU_INPUT3 (cond, imm5, GR[reg2]);
270
  GR[reg3] = cond ? imm5 : GR[reg2];
271
  TRACE_ALU_RESULT (GR[reg3]);
272
}
273
 
274
// CMP
275
rrrrr,001111,RRRRR:I:::cmp
276
"cmp r, r"
277
{
278
  COMPAT_1 (OP_1E0 ());
279
}
280
 
281
rrrrr,010011,iiiii:II:::cmp
282
"cmp , r"
283
{
284
  COMPAT_1 (OP_260 ());
285
}
286
 
287
 
288
 
289
// DI
290
0000011111100000 + 0000000101100000:X:::di
291
"di"
292
{
293
  COMPAT_2 (OP_16007E0 ());
294
}
295
 
296
 
297
 
298
// DISPOSE
299
// 0000011001,iiiii,L + LLLLLLLLLLL,00000:XIII:::dispose
300
// "dispose , "
301
0000011001,iiiii,L + LLLLLLLLLLL,RRRRR:XIII:::dispose
302
*v850e
303
*v850e1
304
"dispose , ":RRRRR == 0
305
"dispose , , [reg1]"
306
{
307
  int i;
308
  SAVE_2;
309
 
310
  trace_input ("dispose", OP_PUSHPOP1, 0);
311
 
312
  SP += (OP[3] & 0x3e) << 1;
313
 
314
  /* Load the registers with lower number registers being retrieved
315
     from higher addresses.  */
316
  for (i = 12; i--;)
317
    if ((OP[3] & (1 << type1_regs[ i ])))
318
      {
319
        State.regs[ 20 + i ] = load_mem (SP, 4);
320
        SP += 4;
321
      }
322
 
323
  if ((OP[3] & 0x1f0000) != 0)
324
    {
325
      nia = State.regs[ (OP[3] >> 16) & 0x1f];
326
    }
327
 
328
  trace_output (OP_PUSHPOP1);
329
}
330
 
331
 
332
// DIV
333
rrrrr,111111,RRRRR + wwwww,01011000000:XI:::div
334
*v850e
335
*v850e1
336
"div r, r, r"
337
{
338
  COMPAT_2 (OP_2C007E0 ());
339
}
340
 
341
 
342
// DIVH
343
rrrrr!0,000010,RRRRR!0:I:::divh
344
"divh r, r"
345
{
346
  unsigned32 ov, s, z;
347
  signed long int op0, op1, result;
348
 
349
  trace_input ("divh", OP_REG_REG, 0);
350
 
351
  PC = cia;
352
  OP[0] = instruction_0 & 0x1f;
353
  OP[1] = (instruction_0 >> 11) & 0x1f;
354
 
355
  /* Compute the result.  */
356
  op0 = EXTEND16 (State.regs[OP[0]]);
357
  op1 = State.regs[OP[1]];
358
 
359
  if (op0 == -1 && op1 == 0x80000000)
360
    {
361
      PSW &= ~PSW_Z;
362
      PSW |= PSW_OV | PSW_S;
363
      State.regs[OP[1]] = 0x80000000;
364
    }
365
  else if (op0 == 0)
366
    {
367
      PSW |= PSW_OV;
368
    }
369
  else
370
    {
371
      result = (signed32) op1 / op0;
372
      ov = 0;
373
 
374
      /* Compute the condition codes.  */
375
      z = (result == 0);
376
      s = (result & 0x80000000);
377
 
378
      /* Store the result and condition codes.  */
379
      State.regs[OP[1]] = result;
380
      PSW &= ~(PSW_Z | PSW_S | PSW_OV);
381
      PSW |= ((z ? PSW_Z : 0) | (s ? PSW_S : 0) | (ov ? PSW_OV : 0));
382
    }
383
 
384
  trace_output (OP_REG_REG);
385
 
386
  PC += 2;
387
  nia = PC;
388
}
389
 
390
rrrrr,111111,RRRRR + wwwww,01010000000:XI:::divh
391
*v850e
392
*v850e1
393
"divh r, r, r"
394
{
395
  COMPAT_2 (OP_28007E0 ());
396
}
397
 
398
 
399
// DIVHU
400
rrrrr,111111,RRRRR + wwwww,01010000010:XI:::divhu
401
*v850e
402
*v850e1
403
"divhu r, r, r"
404
{
405
  COMPAT_2 (OP_28207E0 ());
406
}
407
 
408
 
409
// DIVU
410
rrrrr,111111,RRRRR + wwwww,01011000010:XI:::divu
411
*v850e
412
*v850e1
413
"divu r, r, r"
414
{
415
  COMPAT_2 (OP_2C207E0 ());
416
}
417
 
418
 
419
// EI
420
1000011111100000 + 0000000101100000:X:::ei
421
"ei"
422
{
423
  COMPAT_2 (OP_16087E0 ());
424
}
425
 
426
 
427
 
428
// HALT
429
0000011111100000 + 0000000100100000:X:::halt
430
"halt"
431
{
432
  COMPAT_2 (OP_12007E0 ());
433
}
434
 
435
 
436
 
437
// HSW
438
rrrrr,11111100000 + wwwww,01101000100:XII:::hsw
439
*v850e
440
*v850e1
441
"hsw r, r"
442
{
443
  unsigned32 value;
444
  TRACE_ALU_INPUT1 (GR[reg2]);
445
 
446
  value = GR[reg2];
447
  value >>= 16;
448
  value |= (GR[reg2] << 16);
449
 
450
  GR[reg3] = value;
451
 
452
  PSW &= ~(PSW_Z | PSW_S | PSW_CY | PSW_OV);
453
 
454
  if (value == 0) PSW |= PSW_Z;
455
  if (value & 0x80000000) PSW |= PSW_S;
456
  if (((value & 0xffff) == 0) || (value & 0xffff0000) == 0) PSW |= PSW_CY;
457
 
458
  TRACE_ALU_RESULT (GR[reg3]);
459
}
460
 
461
 
462
 
463
// JARL
464
rrrrr!0,11110,dddddd + ddddddddddddddd,0:V:::jarl
465
"jarl , r"
466
{
467
  GR[reg2] = nia;
468
  nia = cia + disp22;
469
  TRACE_BRANCH1 (GR[reg2]);
470
}
471
 
472
 
473
 
474
// JMP
475
00000000011,RRRRR:I:::jmp
476
"jmp [r]"
477
{
478
  nia = GR[reg1] & ~1;
479
  TRACE_BRANCH0 ();
480
}
481
 
482
 
483
 
484
// JR
485
0000011110,dddddd + ddddddddddddddd,0:V:::jr
486
"jr "
487
{
488
  nia = cia + disp22;
489
  TRACE_BRANCH0 ();
490
}
491
 
492
 
493
 
494
// LD
495
rrrrr,111000,RRRRR + dddddddddddddddd:VII:::ld.b
496
"ld.b [r], r"
497
{
498
  COMPAT_2 (OP_700 ());
499
}
500
 
501
rrrrr,111001,RRRRR + ddddddddddddddd,0:VII:::ld.h
502
"ld.h [r], r"
503
{
504
  COMPAT_2 (OP_720 ());
505
}
506
 
507
rrrrr,111001,RRRRR + ddddddddddddddd,1:VII:::ld.w
508
"ld.w [r], r"
509
{
510
  COMPAT_2 (OP_10720 ());
511
}
512
 
513
rrrrr!0,11110,b,RRRRR + ddddddddddddddd,1:VII:::ld.bu
514
*v850e
515
*v850e1
516
"ld.bu [r], r"
517
{
518
  COMPAT_2 (OP_10780 ());
519
}
520
 
521
rrrrr!0,111111,RRRRR + ddddddddddddddd,1:VII:::ld.hu
522
*v850e
523
*v850e1
524
"ld.hu [r], r"
525
{
526
  COMPAT_2 (OP_107E0 ());
527
}
528
 
529
 
530
// LDSR
531
regID,111111,RRRRR + 0000000000100000:IX:::ldsr
532
"ldsr r, s"
533
{
534
  TRACE_ALU_INPUT1 (GR[reg1]);
535
 
536
  if (&PSW == &SR[regID])
537
    PSW = (GR[reg1] & (CPU)->psw_mask);
538
  else
539
    SR[regID] = GR[reg1];
540
 
541
  TRACE_ALU_RESULT (SR[regID]);
542
}
543
 
544
 
545
 
546
// MOV
547
rrrrr!0,000000,RRRRR:I:::mov
548
"mov r, r"
549
{
550
  TRACE_ALU_INPUT0 ();
551
  GR[reg2] = GR[reg1];
552
  TRACE_ALU_RESULT (GR[reg2]);
553
}
554
 
555
 
556
rrrrr!0,010000,iiiii:II:::mov
557
"mov , r"
558
{
559
  COMPAT_1 (OP_200 ());
560
}
561
 
562
00000110001,RRRRR + iiiiiiiiiiiiiiii + IIIIIIIIIIIIIIII:VI:::mov
563
*v850e
564
*v850e1
565
"mov , r"
566
{
567
  SAVE_2;
568
  trace_input ("mov", OP_IMM_REG, 4);
569
  State.regs[ OP[0] ] = load_mem (PC + 2, 4);
570
  trace_output (OP_IMM_REG);
571
}
572
 
573
 
574
 
575
// MOVEA
576
rrrrr!0,110001,RRRRR + iiiiiiiiiiiiiiii:VI:::movea
577
"movea , r, r"
578
{
579
  TRACE_ALU_INPUT2 (GR[reg1], simm16);
580
  GR[reg2] = GR[reg1] + simm16;
581
  TRACE_ALU_RESULT (GR[reg2]);
582
}
583
 
584
 
585
 
586
// MOVHI
587
rrrrr!0,110010,RRRRR + iiiiiiiiiiiiiiii:VI:::movhi
588
"movhi , r, r"
589
{
590
  COMPAT_2 (OP_640 ());
591
}
592
 
593
 
594
 
595
// MUL
596
rrrrr,111111,RRRRR + wwwww,01000100000:XI:::mul
597
*v850e
598
*v850e1
599
"mul r, r, r"
600
{
601
  COMPAT_2 (OP_22007E0 ());
602
}
603
 
604
rrrrr,111111,iiiii + wwwww,01001,IIII,00:XII:::mul
605
*v850e
606
*v850e1
607
"mul , r, r"
608
{
609
  COMPAT_2 (OP_24007E0 ());
610
}
611
 
612
 
613
// MULH
614
rrrrr!0,000111,RRRRR:I:::mulh
615
"mulh r, r"
616
{
617
  COMPAT_1 (OP_E0 ());
618
}
619
 
620
rrrrr!0,010111,iiiii:II:::mulh
621
"mulh , r"
622
{
623
  COMPAT_1 (OP_2E0 ());
624
}
625
 
626
 
627
 
628
// MULHI
629
rrrrr!0,110111,RRRRR + iiiiiiiiiiiiiiii:VI:::mulhi
630
"mulhi , r, r"
631
{
632
  COMPAT_2 (OP_6E0 ());
633
}
634
 
635
 
636
 
637
// MULU
638
rrrrr,111111,RRRRR + wwwww,01000100010:XI:::mulu
639
*v850e
640
*v850e1
641
"mulu r, r, r"
642
{
643
  COMPAT_2 (OP_22207E0 ());
644
}
645
 
646
rrrrr,111111,iiiii + wwwww,01001,IIII,10:XII:::mulu
647
*v850e
648
*v850e1
649
"mulu , r, r"
650
{
651
  COMPAT_2 (OP_24207E0 ());
652
}
653
 
654
 
655
 
656
// NOP
657
0000000000000000:I:::nop
658
"nop"
659
{
660
  /* do nothing, trace nothing */
661
}
662
 
663
 
664
 
665
// NOT
666
rrrrr,000001,RRRRR:I:::not
667
"not r, r"
668
{
669
  COMPAT_1 (OP_20 ());
670
}
671
 
672
 
673
 
674
// NOT1
675
01,bbb,111110,RRRRR + dddddddddddddddd:VIII:::not1
676
"not1 , [r]"
677
{
678
  COMPAT_2 (OP_47C0 ());
679
}
680
 
681
rrrrr,111111,RRRRR + 0000000011100010:IX:::not1
682
*v850e
683
*v850e1
684
"not1 r, r"
685
{
686
  COMPAT_2 (OP_E207E0 ());
687
}
688
 
689
 
690
 
691
// OR
692
rrrrr,001000,RRRRR:I:::or
693
"or r, r"
694
{
695
  COMPAT_1 (OP_100 ());
696
}
697
 
698
 
699
 
700
// ORI
701
rrrrr,110100,RRRRR + iiiiiiiiiiiiiiii:VI:::ori
702
"ori , r, r"
703
{
704
  COMPAT_2 (OP_680 ());
705
}
706
 
707
 
708
 
709
// PREPARE
710
0000011110,iiiii,L + LLLLLLLLLLL,00001:XIII:::prepare
711
*v850e
712
*v850e1
713
"prepare , "
714
{
715
  int  i;
716
  SAVE_2;
717
 
718
  trace_input ("prepare", OP_PUSHPOP1, 0);
719
 
720
  /* Store the registers with lower number registers being placed at
721
     higher addresses.  */
722
  for (i = 0; i < 12; i++)
723
    if ((OP[3] & (1 << type1_regs[ i ])))
724
      {
725
        SP -= 4;
726
        store_mem (SP, 4, State.regs[ 20 + i ]);
727
      }
728
 
729
  SP -= (OP[3] & 0x3e) << 1;
730
 
731
  trace_output (OP_PUSHPOP1);
732
}
733
 
734
 
735
0000011110,iiiii,L + LLLLLLLLLLL,00011:XIII:::prepare00
736
*v850e
737
*v850e1
738
"prepare , , sp"
739
{
740
  COMPAT_2 (OP_30780 ());
741
}
742
 
743
0000011110,iiiii,L + LLLLLLLLLLL,01011 + iiiiiiiiiiiiiiii:XIII:::prepare01
744
*v850e
745
*v850e1
746
"prepare , , "
747
{
748
  COMPAT_2 (OP_B0780 ());
749
}
750
 
751
0000011110,iiiii,L + LLLLLLLLLLL,10011 + iiiiiiiiiiiiiiii:XIII:::prepare10
752
*v850e
753
*v850e1
754
"prepare , , "
755
{
756
  COMPAT_2 (OP_130780 ());
757
}
758
 
759
0000011110,iiiii,L + LLLLLLLLLLL,11011 + iiiiiiiiiiiiiiii + dddddddddddddddd:XIII:::prepare11
760
*v850e
761
*v850e1
762
"prepare , , "
763
{
764
  COMPAT_2 (OP_1B0780 ());
765
}
766
 
767
 
768
 
769
// RETI
770
0000011111100000 + 0000000101000000:X:::reti
771
"reti"
772
{
773
  if ((PSW & PSW_EP))
774
    {
775
      nia = (EIPC & ~1);
776
      PSW = EIPSW;
777
    }
778
  else if ((PSW & PSW_NP))
779
    {
780
      nia = (FEPC & ~1);
781
      PSW = FEPSW;
782
    }
783
  else
784
    {
785
      nia = (EIPC & ~1);
786
      PSW = EIPSW;
787
    }
788
  TRACE_BRANCH1 (PSW);
789
}
790
 
791
 
792
 
793
// SAR
794
rrrrr,111111,RRRRR + 0000000010100000:IX:::sar
795
"sar r, r"
796
{
797
  COMPAT_2 (OP_A007E0 ());
798
}
799
 
800
rrrrr,010101,iiiii:II:::sar
801
"sar , r"
802
{
803
  COMPAT_1 (OP_2A0 ());
804
}
805
 
806
 
807
 
808
// SASF
809
rrrrr,1111110,cccc + 0000001000000000:IX:::sasf
810
*v850e
811
*v850e1
812
"sasf %s, r"
813
{
814
  COMPAT_2 (OP_20007E0 ());
815
}
816
 
817
 
818
 
819
 
820
// SATADD
821
rrrrr!0,000110,RRRRR:I:::satadd
822
"satadd r, r"
823
{
824
  COMPAT_1 (OP_C0 ());
825
}
826
 
827
rrrrr!0,010001,iiiii:II:::satadd
828
"satadd , r"
829
{
830
  COMPAT_1 (OP_220 ());
831
}
832
 
833
 
834
 
835
// SATSUB
836
rrrrr!0,000101,RRRRR:I:::satsub
837
"satsub r, r"
838
{
839
  COMPAT_1 (OP_A0 ());
840
}
841
 
842
 
843
 
844
// SATSUBI
845
rrrrr!0,110011,RRRRR + iiiiiiiiiiiiiiii:VI:::satsubi
846
"satsubi , r, r"
847
{
848
  COMPAT_2 (OP_660 ());
849
}
850
 
851
 
852
 
853
// SATSUBR
854
rrrrr!0,000100,RRRRR:I:::satsubr
855
"satsubr r, r"
856
{
857
  COMPAT_1 (OP_80 ());
858
}
859
 
860
 
861
 
862
// SETF
863
rrrrr,1111110,cccc + 0000000000000000:IX:::setf
864
"setf %s, r"
865
{
866
  COMPAT_2 (OP_7E0 ());
867
}
868
 
869
 
870
 
871
// SET1
872
00,bbb,111110,RRRRR + dddddddddddddddd:VIII:::set1
873
"set1 , [r]"
874
{
875
  COMPAT_2 (OP_7C0 ());
876
}
877
 
878
rrrrr,111111,RRRRR + 0000000011100000:IX:::set1
879
*v850e
880
*v850e1
881
"set1 r, [r]"
882
{
883
  COMPAT_2 (OP_E007E0 ());
884
}
885
 
886
 
887
 
888
// SHL
889
rrrrr,111111,RRRRR + 0000000011000000:IX:::shl
890
"shl r, r"
891
{
892
  COMPAT_2 (OP_C007E0 ());
893
}
894
 
895
rrrrr,010110,iiiii:II:::shl
896
"shl , r"
897
{
898
  COMPAT_1 (OP_2C0 ());
899
}
900
 
901
 
902
 
903
// SHR
904
rrrrr,111111,RRRRR + 0000000010000000:IX:::shr
905
"shr r, r"
906
{
907
  COMPAT_2 (OP_8007E0 ());
908
}
909
 
910
rrrrr,010100,iiiii:II:::shr
911
"shr , r"
912
{
913
  COMPAT_1 (OP_280 ());
914
}
915
 
916
 
917
 
918
// SLD
919
rrrrr,0110,ddddddd:IV:::sld.b
920
"sld.bu [ep], r":(PSW & PSW_US)
921
"sld.b [ep], r"
922
{
923
  unsigned32 addr = EP + disp7;
924
  unsigned32 result = load_mem (addr, 1);
925
  if (PSW & PSW_US)
926
    {
927
      GR[reg2] = result;
928
      TRACE_LD_NAME ("sld.bu", addr, result);
929
    }
930
  else
931
    {
932
      result = EXTEND8 (result);
933
      GR[reg2] = result;
934
      TRACE_LD (addr, result);
935
    }
936
}
937
 
938
rrrrr,1000,ddddddd:IV:::sld.h
939
"sld.hu [ep], r":(PSW & PSW_US)
940
"sld.h [ep], r"
941
{
942
  unsigned32 addr = EP + disp8;
943
  unsigned32 result = load_mem (addr, 2);
944
  if (PSW & PSW_US)
945
    {
946
      GR[reg2] = result;
947
      TRACE_LD_NAME ("sld.hu", addr, result);
948
    }
949
  else
950
    {
951
      result = EXTEND16 (result);
952
      GR[reg2] = result;
953
      TRACE_LD (addr, result);
954
    }
955
}
956
 
957
rrrrr,1010,dddddd,0:IV:::sld.w
958
"sld.w [ep], r"
959
{
960
  unsigned32 addr = EP + disp8;
961
  unsigned32 result = load_mem (addr, 4);
962
  GR[reg2] = result;
963
  TRACE_LD (addr, result);
964
}
965
 
966
rrrrr!0,0000110,dddd:IV:::sld.bu
967
*v850e
968
*v850e1
969
"sld.b [ep], r":(PSW & PSW_US)
970
"sld.bu [ep], r"
971
{
972
  unsigned32 addr = EP + disp4;
973
  unsigned32 result = load_mem (addr, 1);
974
  if (PSW & PSW_US)
975
    {
976
      result = EXTEND8 (result);
977
      GR[reg2] = result;
978
      TRACE_LD_NAME ("sld.b", addr, result);
979
    }
980
  else
981
    {
982
      GR[reg2] = result;
983
      TRACE_LD (addr, result);
984
    }
985
}
986
 
987
rrrrr!0,0000111,dddd:IV:::sld.hu
988
*v850e
989
*v850e1
990
"sld.h [ep], r":(PSW & PSW_US)
991
"sld.hu [ep], r"
992
{
993
  unsigned32 addr = EP + disp5;
994
  unsigned32 result = load_mem (addr, 2);
995
  if (PSW & PSW_US)
996
    {
997
      result = EXTEND16 (result);
998
      GR[reg2] = result;
999
      TRACE_LD_NAME ("sld.h", addr, result);
1000
    }
1001
  else
1002
    {
1003
      GR[reg2] = result;
1004
      TRACE_LD (addr, result);
1005
    }
1006
}
1007
 
1008
// SST
1009
rrrrr,0111,ddddddd:IV:::sst.b
1010
"sst.b r, [ep]"
1011
{
1012
  COMPAT_1 (OP_380 ());
1013
}
1014
 
1015
rrrrr,1001,ddddddd:IV:::sst.h
1016
"sst.h r, [ep]"
1017
{
1018
  COMPAT_1 (OP_480 ());
1019
}
1020
 
1021
rrrrr,1010,dddddd,1:IV:::sst.w
1022
"sst.w r, [ep]"
1023
{
1024
  COMPAT_1 (OP_501 ());
1025
}
1026
 
1027
// ST
1028
rrrrr,111010,RRRRR + dddddddddddddddd:VII:::st.b
1029
"st.b r, [r]"
1030
{
1031
  COMPAT_2 (OP_740 ());
1032
}
1033
 
1034
rrrrr,111011,RRRRR + ddddddddddddddd,0:VII:::st.h
1035
"st.h r, [r]"
1036
{
1037
  COMPAT_2 (OP_760 ());
1038
}
1039
 
1040
rrrrr,111011,RRRRR + ddddddddddddddd,1:VII:::st.w
1041
"st.w r, [r]"
1042
{
1043
  COMPAT_2 (OP_10760 ());
1044
}
1045
 
1046
// STSR
1047
rrrrr,111111,regID + 0000000001000000:IX:::stsr
1048
"stsr s, r"
1049
{
1050
  TRACE_ALU_INPUT1 (SR[regID]);
1051
  GR[reg2] = SR[regID];
1052
  TRACE_ALU_RESULT (GR[reg2]);
1053
}
1054
 
1055
// SUB
1056
rrrrr,001101,RRRRR:I:::sub
1057
"sub r, r"
1058
{
1059
  COMPAT_1 (OP_1A0 ());
1060
}
1061
 
1062
// SUBR
1063
rrrrr,001100,RRRRR:I:::subr
1064
"subr r, r"
1065
{
1066
  COMPAT_1 (OP_180 ());
1067
}
1068
 
1069
// SWITCH
1070
00000000010,RRRRR:I:::switch
1071
*v850e
1072
*v850e1
1073
"switch r"
1074
{
1075
  unsigned long adr;
1076
  SAVE_1;
1077
  trace_input ("switch", OP_REG, 0);
1078
  adr = (cia + 2) + (State.regs[ reg1 ] << 1);
1079
  nia = (cia + 2) + (EXTEND16 (load_mem (adr, 2)) << 1);
1080
  trace_output (OP_REG);
1081
}
1082
 
1083
// SXB
1084
00000000101,RRRRR:I:::sxb
1085
*v850e
1086
*v850e1
1087
"sxb r"
1088
{
1089
  TRACE_ALU_INPUT1 (GR[reg1]);
1090
  GR[reg1] = EXTEND8 (GR[reg1]);
1091
  TRACE_ALU_RESULT (GR[reg1]);
1092
}
1093
 
1094
// SXH
1095
00000000111,RRRRR:I:::sxh
1096
*v850e
1097
*v850e1
1098
"sxh r"
1099
{
1100
  TRACE_ALU_INPUT1 (GR[reg1]);
1101
  GR[reg1] = EXTEND16 (GR[reg1]);
1102
  TRACE_ALU_RESULT (GR[reg1]);
1103
}
1104
 
1105
// TRAP
1106
00000111111,iiiii + 0000000100000000:X:::trap
1107
"trap "
1108
{
1109
  COMPAT_2 (OP_10007E0 ());
1110
}
1111
 
1112
// TST
1113
rrrrr,001011,RRRRR:I:::tst
1114
"tst r, r"
1115
{
1116
  COMPAT_1 (OP_160 ());
1117
}
1118
 
1119
// TST1
1120
11,bbb,111110,RRRRR + dddddddddddddddd:VIII:::tst1
1121
"tst1 , [r]"
1122
{
1123
  COMPAT_2 (OP_C7C0 ());
1124
}
1125
 
1126
rrrrr,111111,RRRRR + 0000000011100110:IX:::tst1
1127
*v850e
1128
*v850e1
1129
"tst1 r, [r]"
1130
{
1131
  COMPAT_2 (OP_E607E0 ());
1132
}
1133
 
1134
// XOR
1135
rrrrr,001001,RRRRR:I:::xor
1136
"xor r, r"
1137
{
1138
  COMPAT_1 (OP_120 ());
1139
}
1140
 
1141
// XORI
1142
rrrrr,110101,RRRRR + iiiiiiiiiiiiiiii:VI:::xori
1143
"xori , r, r"
1144
{
1145
  COMPAT_2 (OP_6A0 ());
1146
}
1147
 
1148
// ZXB
1149
00000000100,RRRRR:I:::zxb
1150
*v850e
1151
*v850e1
1152
"zxb r"
1153
{
1154
  TRACE_ALU_INPUT1 (GR[reg1]);
1155
  GR[reg1] = GR[reg1] & 0xff;
1156
  TRACE_ALU_RESULT (GR[reg1]);
1157
}
1158
 
1159
// ZXH
1160
00000000110,RRRRR:I:::zxh
1161
*v850e
1162
*v850e1
1163
"zxh r"
1164
{
1165
  TRACE_ALU_INPUT1 (GR[reg1]);
1166
  GR[reg1] = GR[reg1] & 0xffff;
1167
  TRACE_ALU_RESULT (GR[reg1]);
1168
}
1169
 
1170
// Right field must be zero so that it doesn't clash with DIVH
1171
// Left field must be non-zero so that it doesn't clash with SWITCH
1172
11111,000010,00000:I:::break
1173
*v850
1174
*v850e
1175
{
1176
  sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);
1177
}
1178
 
1179
11111,000010,00000:I:::dbtrap
1180
*v850e1
1181
"dbtrap"
1182
{
1183
  DBPC = cia + 2;
1184
  DBPSW = PSW;
1185
  PSW = PSW | (PSW_NP | PSW_EP | PSW_ID);
1186
  PC = 0x00000060;
1187
  nia = 0x00000060;
1188
  TRACE_BRANCH0 ();
1189
}
1190
 
1191
// New breakpoint: 0x7E0 0x7E0
1192
00000,111111,00000 + 00000,11111,100000:X:::ilgop
1193
{
1194
  sim_engine_halt (SD, CPU, NULL, cia, sim_stopped, SIM_SIGTRAP);
1195
}
1196
 
1197
// Return from debug trap: 0x146007e0
1198
0000011111100000 + 0000000101000110:X:::dbret
1199
*v850e1
1200
"dbret"
1201
{
1202
  nia = DBPC;
1203
  PSW = DBPSW;
1204
  TRACE_BRANCH1 (PSW);
1205
}

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