aboutsummaryrefslogtreecommitdiff
path: root/decoder/source/etmv4/trc_pkt_elem_etmv4i.cpp
blob: 825b5f79e41b088c7d1f4dc51e8db75b91577879 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
/*
 * \file       trc_pkt_elem_etmv4i.cpp
 * \brief      OpenCSD : 
 * 
 * \copyright  Copyright (c) 2015, ARM Limited. All Rights Reserved.
 */

/* 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice, 
 * this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice, 
 * this list of conditions and the following disclaimer in the documentation 
 * and/or other materials provided with the distribution. 
 * 
 * 3. Neither the name of the copyright holder nor the names of its contributors 
 * may be used to endorse or promote products derived from this software without 
 * specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND 
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */ 
#include <sstream>
#include <iomanip>

#include "opencsd/etmv4/trc_pkt_elem_etmv4i.h"

EtmV4ITrcPacket::EtmV4ITrcPacket()
{
    protocol_version = 0x42;    // min protocol version.
}

EtmV4ITrcPacket::~EtmV4ITrcPacket()
{
}

void EtmV4ITrcPacket::initStartState()
{
    // clear packet state to start of trace (first sync or post discontinuity)

    // clear all valid bits
    pkt_valid.val = 0;

    // virtual address
    v_addr.pkt_bits = 0;
    v_addr.valid_bits = 0;
    v_addr_ISA = 0;

    // timestamp
    ts.bits_changed = 0;
    ts.timestamp = 0;    

    // per packet init
    initNextPacket();
}

void EtmV4ITrcPacket::initNextPacket()
{
    // clear valid bits for elements that are only valid over a single packet.
    pkt_valid.bits.cc_valid = 0;
    pkt_valid.bits.commit_elem_valid = 0;
    atom.num = 0;
    context.updated = 0;
    context.updated_v = 0;
    context.updated_c = 0;
    err_type = ETM4_PKT_I_NO_ERR_TYPE;
}

// printing
void EtmV4ITrcPacket::toString(std::string &str) const
{
    const char *name;
    const char *desc;
    std::string valStr, ctxtStr = "";

    name = packetTypeName(type, &desc);
    str = name + (std::string)" : " + desc;

    // extended descriptions
    switch (type)
    {
    case ETM4_PKT_I_BAD_SEQUENCE:
    case ETM4_PKT_I_INCOMPLETE_EOT:
    case ETM4_PKT_I_RESERVED_CFG:
        name = packetTypeName(err_type, 0);
        str += "[" + (std::string)name + "]";
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_32IS0:
    case ETM4_PKT_I_ADDR_CTXT_L_32IS1:
        contextStr(ctxtStr);
    case ETM4_PKT_I_ADDR_L_32IS0:
    case ETM4_PKT_I_ADDR_L_32IS1:
    case ETE_PKT_I_SRC_ADDR_L_32IS0:
    case ETE_PKT_I_SRC_ADDR_L_32IS1:
        trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 32) ? v_addr.pkt_bits : 0);
        str += "; Addr=" + valStr + "; " + ctxtStr;
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_64IS0:
    case ETM4_PKT_I_ADDR_CTXT_L_64IS1:
        contextStr(ctxtStr);
    case ETM4_PKT_I_ADDR_L_64IS0:
    case ETM4_PKT_I_ADDR_L_64IS1:
    case ETE_PKT_I_SRC_ADDR_L_64IS0:
    case ETE_PKT_I_SRC_ADDR_L_64IS1:
        trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 64) ? v_addr.pkt_bits : 0);
        str += "; Addr=" + valStr + "; " + ctxtStr;
        break;

    case ETM4_PKT_I_CTXT:
        contextStr(ctxtStr);
        str += "; " + ctxtStr;
        break;

    case ETM4_PKT_I_ADDR_S_IS0:
    case ETM4_PKT_I_ADDR_S_IS1:
    case ETE_PKT_I_SRC_ADDR_S_IS0:
    case ETE_PKT_I_SRC_ADDR_S_IS1:
        trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, v_addr.pkt_bits);
        str += "; Addr=" + valStr;
        break;

    case ETM4_PKT_I_ADDR_MATCH:
    case ETE_PKT_I_SRC_ADDR_MATCH:
        addrMatchIdx(valStr);
        str += ", " + valStr;
        trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true);
        str += "; Addr=" + valStr + "; " + ctxtStr;
        break;

    case ETM4_PKT_I_ATOM_F1:
    case ETM4_PKT_I_ATOM_F2:
    case ETM4_PKT_I_ATOM_F3:
    case ETM4_PKT_I_ATOM_F4:
    case ETM4_PKT_I_ATOM_F5:
    case ETM4_PKT_I_ATOM_F6:
        atomSeq(valStr);
        str += "; " + valStr;
        break;

    case ETM4_PKT_I_EXCEPT:
        exceptionInfo(valStr);
        str += "; " + valStr;
        break;

    case ETM4_PKT_I_TIMESTAMP:
        {
            std::ostringstream oss;
            oss << "; Updated val = " << std::hex << "0x" << ts.timestamp;
            if (pkt_valid.bits.cc_valid)
                oss << "; CC=" << std::hex << "0x" << cycle_count;
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_TRACE_INFO:
        {
            std::ostringstream oss;
            oss << "; INFO=" << std::hex << "0x" << trace_info.val;
            oss << " { CC." << std::dec << trace_info.bits.cc_enabled;
            if (isETE())
                oss << ", TSTATE." << std::dec << trace_info.bits.in_trans_state;
            oss << " }";
            if (trace_info.bits.cc_enabled)
                oss << "; CC_THRESHOLD=" << std::hex << "0x" << cc_threshold;
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_CCNT_F1:
    case ETM4_PKT_I_CCNT_F2:
    case ETM4_PKT_I_CCNT_F3:
        {
            std::ostringstream oss;
            oss << "; Count=" << std::hex << "0x" << cycle_count;
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_CANCEL_F1:
        {
            std::ostringstream oss;
            oss << "; Cancel(" << std::dec << cancel_elements << ")";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_CANCEL_F1_MISPRED:
        {
            std::ostringstream oss;
            oss << "; Cancel(" << std::dec << cancel_elements << "), Mispredict";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_MISPREDICT:
        {
            std::ostringstream oss;
            oss << "; ";
            if (atom.num) {
                atomSeq(valStr);
                oss << "Atom: " << valStr << ", ";
            }
            oss << "Mispredict";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_CANCEL_F2:
        {
            std::ostringstream oss;
            oss << "; ";
            if (atom.num) {
                atomSeq(valStr);
                oss << "Atom: " << valStr << ", ";
            }
            oss << "Cancel(1), Mispredict";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_CANCEL_F3:
        {
            std::ostringstream oss;
            oss << "; ";
            if (atom.num) {
                oss << "Atom: E, ";
            }
            oss << "Cancel(" << std::dec << cancel_elements << "), Mispredict";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_COMMIT:
        {
            std::ostringstream oss;
            oss << "; Commit(" << std::dec << commit_elements << ")";
            str += oss.str();
        }
        break;

    case ETM4_PKT_I_Q:
        {
            std::ostringstream oss;
            if (Q_pkt.count_present)
            {
                oss << "; Count(" << std::dec << Q_pkt.q_count << ")";
                str += oss.str();
            }
            else
                str += "; Count(Unknown)";

            if (Q_pkt.addr_match) 
            {
                addrMatchIdx(valStr);
                str += "; " + valStr;
            }

            if (Q_pkt.addr_present || Q_pkt.addr_match)
            {
                trcPrintableElem::getValStr(valStr, (v_addr.size == VA_64BIT) ? 64 : 32, v_addr.valid_bits, v_addr.val, true, (v_addr.pkt_bits < 64) ? v_addr.pkt_bits : 0);
                str += "; Addr=" + valStr;
            }
        }
        break;

    case ETE_PKT_I_ITE:
        {
            std::ostringstream oss;
            oss << "; EL" << std::dec << (int)ite_pkt.el << "; Payload=0x" << std::hex << ite_pkt.value;
            str += oss.str();
        }
        break;
    }

}   

void EtmV4ITrcPacket::toStringFmt(const uint32_t fmtFlags, std::string &str) const
{
    toString(str);  // TBD add in formatted response.
}

const char *EtmV4ITrcPacket::packetTypeName(const ocsd_etmv4_i_pkt_type type, const char **ppDesc) const
{
    const char *pName = "I_UNKNOWN";
    const char *pDesc = "Unknown Packet Header";

    switch(type)
    {
    case ETM4_PKT_I_NOTSYNC:
        pName = "I_NOT_SYNC";
        pDesc = "I Stream not synchronised";
        break;

    case ETM4_PKT_I_INCOMPLETE_EOT:
        pName = "I_INCOMPLETE_EOT";
        pDesc = "Incomplete packet at end of trace.";
        break;

    case ETM4_PKT_I_NO_ERR_TYPE:
        pName = "I_NO_ERR_TYPE";
        pDesc = "No Error Type.";
        break;

    case ETM4_PKT_I_BAD_SEQUENCE:
        pName = "I_BAD_SEQUENCE";
        pDesc = "Invalid Sequence in packet.";
        break;

    case ETM4_PKT_I_BAD_TRACEMODE:
        pName = "I_BAD_TRACEMODE";
        pDesc = "Invalid Packet for trace mode.";
        break;

    case ETM4_PKT_I_RESERVED:
        pName = "I_RESERVED";
        pDesc = "Reserved Packet Header";
        break;

    case ETM4_PKT_I_RESERVED_CFG:
        pName = "I_RESERVED_CFG";
        pDesc = "Reserved header for current configuration.";
        break;

    case ETM4_PKT_I_EXTENSION:
        pName = "I_EXTENSION";
        pDesc = "Extension packet header.";
        break;

    case ETM4_PKT_I_TRACE_INFO:
        pName = "I_TRACE_INFO";
        pDesc = "Trace Info.";
        break;

    case ETM4_PKT_I_TIMESTAMP:
        pName = "I_TIMESTAMP";
        pDesc = "Timestamp.";
        break;

    case ETM4_PKT_I_TRACE_ON:
        pName = "I_TRACE_ON";
        pDesc = "Trace On.";
        break;

    case ETM4_PKT_I_FUNC_RET:
        pName = "I_FUNC_RET";
        pDesc = "V8M - function return.";
        break;

    case ETM4_PKT_I_EXCEPT:
        pName = "I_EXCEPT";
        pDesc = "Exception.";
        break;

    case ETM4_PKT_I_EXCEPT_RTN:
        pName = "I_EXCEPT_RTN";
        pDesc = "Exception Return.";
        break;
    
    case ETE_PKT_I_TRANS_ST:
        pName = "I_TRANS_ST";
        pDesc = "Transaction Start.";
        break;

    case ETE_PKT_I_TRANS_COMMIT:
        pName = "I_TRANS_COMMIT";
        pDesc = "Transaction Commit.";
        break;

    case ETM4_PKT_I_CCNT_F1:
        pName = "I_CCNT_F1";
        pDesc = "Cycle Count format 1.";
        break;

    case ETM4_PKT_I_CCNT_F2:
        pName = "I_CCNT_F2";
        pDesc = "Cycle Count format 2.";
        break;

    case ETM4_PKT_I_CCNT_F3:
        pName = "I_CCNT_F3";
        pDesc = "Cycle Count format 3.";
        break;

    case ETM4_PKT_I_NUM_DS_MKR:
        pName = "I_NUM_DS_MKR";
        pDesc = "Data Synchronisation Marker - Numbered.";
        break;

    case ETM4_PKT_I_UNNUM_DS_MKR:
        pName = "I_UNNUM_DS_MKR";
        pDesc = "Data Synchronisation Marker - Unnumbered.";
        break;

    case ETM4_PKT_I_COMMIT:
        pName = "I_COMMIT";
        pDesc = "Commit";
        break;

    case ETM4_PKT_I_CANCEL_F1:
        pName = "I_CANCEL_F1";
        pDesc = "Cancel Format 1.";
        break;

    case ETM4_PKT_I_CANCEL_F1_MISPRED:
        pName = "I_CANCEL_F1_MISPRED";
        pDesc = "Cancel Format 1 + Mispredict.";
        break;


    case ETM4_PKT_I_MISPREDICT:
        pName = "I_MISPREDICT";
        pDesc = "Mispredict.";
        break;

    case ETM4_PKT_I_CANCEL_F2:
        pName = "I_CANCEL_F2";
        pDesc = "Cancel Format 2.";
        break;

    case ETM4_PKT_I_CANCEL_F3:
        pName = "I_CANCEL_F3";
        pDesc = "Cancel Format 3.";
        break;

    case ETM4_PKT_I_COND_I_F2:
        pName = "I_COND_I_F2";
        pDesc = "Conditional Instruction, format 2.";
        break;

    case ETM4_PKT_I_COND_FLUSH:
        pName = "I_COND_FLUSH";
        pDesc = "Conditional Flush.";
        break;

    case ETM4_PKT_I_COND_RES_F4:
        pName = "I_COND_RES_F4";
        pDesc = "Conditional Result, format 4.";
        break;

    case ETM4_PKT_I_COND_RES_F2:
        pName = "I_COND_RES_F2";
        pDesc = "Conditional Result, format 2.";
        break;

    case ETM4_PKT_I_COND_RES_F3:
        pName = "I_COND_RES_F3";
        pDesc = "Conditional Result, format 3.";
        break;

    case ETM4_PKT_I_COND_RES_F1:
        pName = "I_COND_RES_F1";
        pDesc = "Conditional Result, format 1.";
        break;

    case ETM4_PKT_I_COND_I_F1:
        pName = "I_COND_I_F1";
        pDesc = "Conditional Instruction, format 1.";
        break;

    case ETM4_PKT_I_COND_I_F3:
        pName = "I_COND_I_F3";
        pDesc = "Conditional Instruction, format 3.";
        break;

    case ETM4_PKT_I_IGNORE:
        pName = "I_IGNORE";
        pDesc = "Ignore.";
        break;

    case ETM4_PKT_I_EVENT:
        pName = "I_EVENT";
        pDesc = "Trace Event.";
        break;

    case ETM4_PKT_I_CTXT:
        pName = "I_CTXT";
        pDesc = "Context Packet.";
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_32IS0:
        pName = "I_ADDR_CTXT_L_32IS0";
        pDesc = "Address & Context, Long, 32 bit, IS0.";
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_32IS1:
        pName = "I_ADDR_CTXT_L_32IS1";
        pDesc = "Address & Context, Long, 32 bit, IS0.";
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_64IS0:
        pName = "I_ADDR_CTXT_L_64IS0";
        pDesc = "Address & Context, Long, 64 bit, IS0.";
        break;

    case ETM4_PKT_I_ADDR_CTXT_L_64IS1:
        pName = "I_ADDR_CTXT_L_64IS1";
        pDesc = "Address & Context, Long, 64 bit, IS1.";
        break;

    case ETE_PKT_I_TS_MARKER:
        pName = "I_TS_MARKER";
        pDesc = "Timestamp Marker";
        break;

    case ETM4_PKT_I_ADDR_MATCH:
        pName = "I_ADDR_MATCH";
        pDesc = "Exact Address Match.";
        break;

    case ETM4_PKT_I_ADDR_S_IS0:
        pName = "I_ADDR_S_IS0";
        pDesc = "Address, Short, IS0.";
        break;

    case ETM4_PKT_I_ADDR_S_IS1:
        pName = "I_ADDR_S_IS1";
        pDesc = "Address, Short, IS1.";
        break;

    case ETM4_PKT_I_ADDR_L_32IS0:
        pName = "I_ADDR_L_32IS0";
        pDesc = "Address, Long, 32 bit, IS0.";
        break;

    case ETM4_PKT_I_ADDR_L_32IS1:
        pName = "I_ADDR_L_32IS1";
        pDesc = "Address, Long, 32 bit, IS1.";
        break;

    case ETM4_PKT_I_ADDR_L_64IS0:
        pName = "I_ADDR_L_64IS0";
        pDesc = "Address, Long, 64 bit, IS0.";
        break;

    case ETM4_PKT_I_ADDR_L_64IS1:
        pName = "I_ADDR_L_64IS1";
        pDesc = "Address, Long, 64 bit, IS1.";
        break;

    case ETM4_PKT_I_Q:       
        pName = "I_Q";
        pDesc = "Q Packet.";
        break;

    case ETE_PKT_I_SRC_ADDR_MATCH:
        pName = "I_SRC_ADDR_MATCH";
        pDesc = "Exact Source Address Match.";
        break;

    case ETE_PKT_I_SRC_ADDR_S_IS0:
        pName = "I_SRC_ADDR_S_IS0";
        pDesc = "Source Address, Short, IS0.";
        break;

    case ETE_PKT_I_SRC_ADDR_S_IS1:
        pName = "I_SRC_ADDR_S_IS1";
        pDesc = "Source Address, Short, IS1.";
        break;

    case ETE_PKT_I_SRC_ADDR_L_32IS0:
        pName = "I_SCR_ADDR_L_32IS0";
        pDesc = "Source Address, Long, 32 bit, IS0.";
        break;

    case ETE_PKT_I_SRC_ADDR_L_32IS1:
        pName = "I_SRC_ADDR_L_32IS1";
        pDesc = "Source Address, Long, 32 bit, IS1.";
        break;

    case ETE_PKT_I_SRC_ADDR_L_64IS0:
        pName = "I_SRC_ADDR_L_64IS0";
        pDesc = "Source Address, Long, 64 bit, IS0.";
        break;

    case ETE_PKT_I_SRC_ADDR_L_64IS1:
        pName = "I_SRC_ADDR_L_64IS1";
        pDesc = "Source Address, Long, 64 bit, IS1.";
        break;

    case ETM4_PKT_I_ATOM_F6:
        pName = "I_ATOM_F6";
        pDesc = "Atom format 6.";
        break;

    case ETM4_PKT_I_ATOM_F5:
        pName = "I_ATOM_F5";
        pDesc = "Atom format 5.";
        break;

    case ETM4_PKT_I_ATOM_F2:
        pName = "I_ATOM_F2";
        pDesc = "Atom format 2.";
        break;

    case ETM4_PKT_I_ATOM_F4:
        pName = "I_ATOM_F4";
        pDesc = "Atom format 4.";
        break;

    case ETM4_PKT_I_ATOM_F1:
        pName = "I_ATOM_F1";
        pDesc = "Atom format 1.";
        break;

    case ETM4_PKT_I_ATOM_F3:
        pName = "I_ATOM_F3";
        pDesc = "Atom format 3.";
        break;

    case ETM4_PKT_I_ASYNC:
        pName = "I_ASYNC";
        pDesc = "Alignment Synchronisation.";
        break;

    case ETM4_PKT_I_DISCARD:
        pName = "I_DISCARD";
        pDesc = "Discard.";
        break;
        
    case ETM4_PKT_I_OVERFLOW:
        pName = "I_OVERFLOW";
        pDesc = "Overflow.";
        break;

    case ETE_PKT_I_PE_RESET:
        pName = "I_PE_RESET";
        pDesc = "PE Reset.";
        break;

    case ETE_PKT_I_TRANS_FAIL:
        pName = "I_TRANS_FAIL";
        pDesc = "Transaction Fail.";
        break;

    case ETE_PKT_I_ITE:
        pName = "I_ITE";
        pDesc = "Instrumentation";
        break;

    default:
        break;
    }

    if(ppDesc) *ppDesc = pDesc;
    return pName;
}

void EtmV4ITrcPacket::contextStr(std::string &ctxtStr) const
{
    ctxtStr = "";
    if(pkt_valid.bits.context_valid)
    {
        std::ostringstream oss;
        if(context.updated)
        {           
            oss << "Ctxt: " << (context.SF ? "AArch64," : "AArch32, ") << "EL" << context.EL << ", " << (context.NS ? "NS; " : "S; ");
            if(context.updated_c)
            {
                oss << "CID=0x" << std::hex << std::setfill('0') << std::setw(8) << context.ctxtID << "; ";
            }
            if(context.updated_v)
            {
                oss << "VMID=0x" << std::hex << std::setfill('0') << std::setw(4) << context.VMID << "; ";
            }
        }
        else
        {
            oss << "Ctxt: Same";
        }
        ctxtStr = oss.str();
    }
}

void EtmV4ITrcPacket::atomSeq(std::string &valStr) const
{
    std::ostringstream oss;
    uint32_t bitpattern = atom.En_bits;
    for(int i = 0; i < atom.num; i++)
    {
        oss << ((bitpattern & 0x1) ? "E" : "N");
        bitpattern >>= 1;
    }
    valStr = oss.str();
}

void EtmV4ITrcPacket::addrMatchIdx(std::string &valStr) const
{
    std::ostringstream oss;
    oss << "[" << (uint16_t)addr_exact_match_idx << "]";
    valStr = oss.str();
}

void EtmV4ITrcPacket::exceptionInfo(std::string &valStr) const
{
    std::ostringstream oss;

    static const char *ARv8Excep[] = {
        "PE Reset", "Debug Halt", "Call", "Trap", 
        "System Error", "Reserved", "Inst Debug", "Data Debug",
        "Reserved", "Reserved", "Alignment", "Inst Fault", 
        "Data Fault", "Reserved", "IRQ", "FIQ"
    };

    static const char *MExcep[] = {
        "Reserved", "PE Reset", "NMI", "HardFault",
        "MemManage", "BusFault", "UsageFault", "Reserved",
        "Reserved","Reserved","Reserved","SVC",
        "DebugMonitor", "Reserved","PendSV","SysTick",
        "IRQ0","IRQ1","IRQ2","IRQ3",
        "IRQ4","IRQ5","IRQ6","IRQ7",
        "DebugHalt", "LazyFP Push", "Lockup", "Reserved",
        "Reserved","Reserved","Reserved","Reserved"
    };

    if(exception_info.m_type == 0)
    {
        if(exception_info.exceptionType < 0x10)
            oss << " " << ARv8Excep[exception_info.exceptionType] << ";";
        else
            oss << " Reserved;";

    }
    else
    {
        if(exception_info.exceptionType < 0x20)
            oss << " " << MExcep[exception_info.exceptionType] << ";";
        else if((exception_info.exceptionType >= 0x208) && (exception_info.exceptionType <= 0x3EF))
            oss << " IRQ" << (int)(exception_info.exceptionType - 0x200) << ";";
        else
            oss << " Reserved;";
        if(exception_info.m_fault_pending)
            oss << " Fault Pending;";
    }

    if(exception_info.addr_interp == 0x1)
        oss << " Ret Addr Follows;";
    else if(exception_info.addr_interp == 0x2)
        oss << " Ret Addr Follows, Match Prev;";            
    
    valStr = oss.str();
}

EtmV4ITrcPacket &EtmV4ITrcPacket::operator =(const ocsd_etmv4_i_pkt* p_pkt)
{
    *dynamic_cast<ocsd_etmv4_i_pkt *>(this) = *p_pkt;
    return *this;        
}

/* End of File trc_pkt_elem_etmv4i.cpp */