/* * mgmt-dfu.c * --------- * CLI code for looking at, jumping to or erasing the loaded firmware. * * Copyright (c) 2016, NORDUnet A/S All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - 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. * * - Neither the name of the NORDUnet 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 "stm-init.h" #include "mgmt-cli.h" #include "stm-uart.h" #include "stm-flash.h" #include "mgmt-dfu.h" #include #define DFU_FIRMWARE_ADDR ((uint32_t) &CRYPTECH_FIRMWARE_START) #define DFU_FIRMWARE_END_ADDR ((uint32_t) &CRYPTECH_FIRMWARE_END) #define DFU_UPLOAD_CHUNK_SIZE 256 #define HARDWARE_EARLY_DFU_JUMP 0xBADABADA extern uint32_t update_crc(uint32_t crc, uint8_t *buf, int len); /* Linker symbols are strange in C. Make regular pointers for sanity. */ __IO uint32_t *dfu_control = &CRYPTECH_DFU_CONTROL; __IO uint32_t *dfu_firmware = &CRYPTECH_FIRMWARE_START; __IO uint32_t *dfu_firmware_end = &CRYPTECH_FIRMWARE_END; /* The first word in the firmware is an address to the stack (msp) */ __IO uint32_t *dfu_msp_ptr = &CRYPTECH_FIRMWARE_START; /* The second word in the firmware is a pointer to the code * (points at the Reset_Handler from the linker script). */ __IO uint32_t *dfu_code_ptr = &CRYPTECH_FIRMWARE_START + 1; static int cmd_dfu_dump(struct cli_def *cli, const char *command, char *argv[], int argc) { cli_print(cli, "First 256 bytes from DFU application address %p:\r\n", dfu_firmware); uart_send_hexdump(STM_UART_MGMT, (uint8_t *) dfu_firmware, 0, 0xff); uart_send_string2(STM_UART_MGMT, (char *) "\r\n\r\n"); return CLI_OK; } static int cmd_dfu_erase(struct cli_def *cli, const char *command, char *argv[], int argc) { int status; cli_print(cli, "Erasing flash sectors %i to %i (address %p to %p) - expect the CLI to crash now", stm_flash_sector_num((uint32_t) dfu_firmware), stm_flash_sector_num((uint32_t) dfu_firmware_end), dfu_firmware, dfu_firmware_end); if ((status = stm_flash_erase_sectors((uint32_t) dfu_firmware, (uint32_t) dfu_firmware_end)) != 0) { cli_print(cli, "Failed erasing flash sectors (%i)", status); } return CLI_OK; } static int cmd_dfu_jump(struct cli_def *cli, const char *command, char *argv[], int argc) { uint32_t i; /* Load first byte from the DFU_FIRMWARE_PTR to verify it contains an IVT before * jumping there. */ cli_print(cli, "Checking for application at %p", dfu_firmware); i = *dfu_msp_ptr & 0xFF000000; /* 'new_msp' is supposed to be a pointer to the new applications stack, it should * point either at RAM (0x20000000) or at the CCM memory (0x10000000). */ if (i == 0x20000000 || i == 0x10000000) { /* Set dfu_control to the magic value that will cause the us to jump to the * firmware from the CLI main() function after rebooting. */ *dfu_control = HARDWARE_EARLY_DFU_JUMP; cli_print(cli, "Making the leap"); HAL_NVIC_SystemReset(); while (1) { ; } } else { cli_print(cli, "No loaded application found at %p (read 0x%x)", dfu_firmware, (unsigned int) *dfu_msp_ptr); } return CLI_OK; } void configure_cli_dfu(struct cli_def *cli) { cli_command_root(dfu); cli_command_node(dfu, dump, "Show the first 256 bytes of the loaded firmware"); cli_command_node(dfu, jump, "Jump to the loaded firmware"); cli_command_node(dfu, erase, "Erase the firmware memory (will crash the CLI)"); } rk <paul@psgd.org> 2016-02-25 17:27:33 -0500 RPC over loopback socket, just to work out the mechanics for serialization and dispatch.' href='/sw/libhal/commit/rpc_client.c?h=rsa-blind-mutation&id=cef7ba6f7024a2c3a53760be8c5fc4f937e8efb5'>cef7ba6
86b35d7

79559c5
abd5caf
db595b9


abd5caf
db595b9
3ba7ca4

db595b9


cef7ba6

abd5caf
e6f53e7

79559c5

db595b9












































dcf3c67









db595b9

79559c5

3ba7ca4

1a00bef
3ba7ca4
e6f53e7
79559c5

3ba7ca4
79559c5

db595b9
3ba7ca4
79559c5






abd5caf

3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

7dfad9f

cef7ba6
abd5caf
e6f53e7
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5




cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

1a7b3c3













a1e4e4f

abd5caf

e6f53e7
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5




cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

a1e4e4f
abd5caf
e6f53e7
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5


cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

1a7b3c3

3ba7ca4

1a00bef
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5
cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
1a7b3c3




e6f53e7
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5



cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
1a7b3c3

c60b4bb
abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

c60b4bb
abd5caf

3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
c982e2e
3ba7ca4
79559c5


cef7ba6
c982e2e

3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

7dfad9f
abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
db595b9
cef7ba6

abd5caf

a1e4e4f

7dfad9f
c60b4bb
abd5caf

e6f53e7
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5





cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6

abd5caf

7dfad9f
abd5caf

3ba7ca4

1a00bef
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5


cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

7dfad9f
abd5caf

3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5


cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

598e759




c2b116a
598e759

abd5caf
c2b116a

1a00bef
c2b116a
e6f53e7
cef7ba6
79559c5




79559c5



db595b9
3ba7ca4
79559c5
c2b116a

79559c5
c2b116a



cef7ba6

abd5caf

598e759


c2b116a
598e759
abd5caf
b121408
3ba7ca4
1a00bef
e6f53e7
cef7ba6
79559c5


c2b116a
598e759
79559c5
cef7ba6
db595b9
3ba7ca4
79559c5
c2b116a
cef7ba6
79559c5
cef7ba6

abd5caf

598e759


c2b116a
598e759


abd5caf
c2b116a

1a00bef
c2b116a
e6f53e7
cef7ba6
79559c5


79559c5



cef7ba6
db595b9
3ba7ca4
79559c5
c2b116a

79559c5
c2b116a



cef7ba6

abd5caf

598e759


c2b116a
598e759

86b35d7
c2b116a

1a00bef
c2b116a
e6f53e7
cef7ba6
79559c5


79559c5


cef7ba6
db595b9
3ba7ca4
79559c5
c2b116a

79559c5
c2b116a



cef7ba6

86b35d7

598e759
abd5caf
3ba7ca4

1a00bef
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

598e759
abd5caf
3ba7ca4

1a00bef
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
abd5caf

598e759

abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

d844d76


















0bd1d5a
d844d76




598e759

abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

598e759
abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5

cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6



abd5caf

598e759

abd5caf
3ba7ca4

1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
79559c5
3ba7ca4
79559c5


cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

45061e2
7dfad9f
45061e2
86b35d7
abd5caf
45061e2
3ba7ca4
1a00bef
cef7ba6
3ba7ca4
e6f53e7
cef7ba6
db595b9
3ba7ca4
79559c5




cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6


abd5caf

45061e2
7dfad9f
abd5caf
86b35d7
abd5caf
45061e2
3ba7ca4
1a00bef
3ba7ca4
e6f53e7
cef7ba6
db595b9
3ba7ca4
79559c5




cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6


db32574

cef7ba6
c2b116a









cef7ba6
cef7ba6
abd5caf

015eefa

45061e2
598e759


abd5caf
45061e2
3ba7ca4
1a00bef
cef7ba6


79559c5
015eefa
45061e2
79559c5
598e759
79559c5
cef7ba6
db595b9
3ba7ca4
79559c5
cef7ba6
79559c5
cef7ba6
db32574
79559c5
cef7ba6





abd5caf

015eefa

45061e2
db32574






dcf3c67
db32574



0bd1d5a
db32574
0bd1d5a
db32574
dcf3c67
db32574
db32574


015eefa
45061e2
db32574

























db32574
















































































c51fa27
65e8ef4
abd5caf






45061e2
7dfad9f
abd5caf
86b35d7
abd5caf

45061e2
c861f7d
abd5caf
c60b4bb
36dfaf0
abd5caf



36dfaf0

abd5caf

36dfaf0
abd5caf
36dfaf0



65e8ef4
36dfaf0







abd5caf
45061e2
c861f7d
abd5caf

45061e2
7dfad9f
abd5caf
86b35d7
abd5caf

45061e2
c861f7d
abd5caf
c60b4bb
36dfaf0
abd5caf



36dfaf0

abd5caf

36dfaf0
abd5caf
36dfaf0



65e8ef4
36dfaf0







abd5caf
45061e2
c861f7d
598e759

c51fa27
abd5caf





598e759






abd5caf


598e759





abd5caf


598e759






d844d76
598e759




db32574




abd5caf

c51fa27
abd5caf
65e8ef4






d844d76
65e8ef4


598e759

db32574




abd5caf
c51fa27
abd5caf
e6f53e7
79559c5
67cb831

79559c5


67cb831


79559c5
438b506
79559c5



cef7ba6
79559c5




cef7ba6

79559c5
cef7ba6
79559c5




cef7ba6


abd5caf




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
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155