Line Coverage for Module :
otp_ctrl_dai
| Line No. | Total | Covered | Percent |
|---|
| TOTAL | | 247 | 233 | 94.33 |
| ALWAYS | 169 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 177 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 179 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
| ALWAYS | 187 | 199 | 185 | 92.96 |
| CONT_ASSIGN | 718 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| ALWAYS | 753 | 11 | 11 | 100.00 |
| CONT_ASSIGN | 796 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 797 | 1 | 1 | 100.00 |
| ALWAYS | 803 | 3 | 3 | 100.00 |
| ALWAYS | 806 | 14 | 14 | 100.00 |
168 always_comb begin
169 1/1 otp_err = otp_err_e'(otp_err_i);
Tests: T1 T2 T3
170 1/1 if (!PartInfo[part_idx].integrity &&
Tests: T1 T2 T3
171 otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
172 1/1 otp_err = NoError;
Tests: T2 T23 T128
173 end
MISSING_ELSE
174 end
175
176 // Output partition error state.
177 1/1 assign error_o = error_q;
Tests: T1 T2 T3
178 // Working register is connected to data outputs.
179 1/1 assign otp_wdata_o = data_q;
Tests: T1 T2 T3
180 1/1 assign scrmbl_data_o = data_q;
Tests: T1 T2 T3
181 // Only expose this working register in IdleSt.
182 // The FSM below makes sure to clear this register
183 // after digest and write ops.
184 1/1 assign dai_rdata_o = (state_q == IdleSt) ? data_q : '0;
Tests: T1 T2 T3
185
186 always_comb begin : p_fsm
187 1/1 state_d = state_q;
Tests: T1 T2 T3
188
189 // Init signals
190 1/1 init_done_o = 1'b1;
Tests: T1 T2 T3
191 1/1 part_init_req_o = 1'b0;
Tests: T1 T2 T3
192
193 // DAI signals
194 1/1 dai_idle_o = 1'b0;
Tests: T1 T2 T3
195 1/1 dai_prog_idle_o = 1'b1;
Tests: T1 T2 T3
196 1/1 dai_cmd_done_o = 1'b0;
Tests: T1 T2 T3
197
198 // OTP signals
199 1/1 otp_req_o = 1'b0;
Tests: T1 T2 T3
200 1/1 otp_cmd_o = prim_otp_pkg::Init;
Tests: T1 T2 T3
201
202 // Scrambling mutex
203 1/1 scrmbl_mtx_req_o = 1'b0;
Tests: T1 T2 T3
204
205 // Scrambling datapath
206 1/1 scrmbl_cmd_o = LoadShadow;
Tests: T1 T2 T3
207 1/1 scrmbl_sel_o = CnstyDigest;
Tests: T1 T2 T3
208 1/1 scrmbl_mode_o = StandardMode;
Tests: T1 T2 T3
209 1/1 scrmbl_valid_o = 1'b0;
Tests: T1 T2 T3
210
211 // Counter
212 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
213 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
214 1/1 base_sel_d = base_sel_q;
Tests: T1 T2 T3
215
216 // Temporary data register
217 1/1 data_en = 1'b0;
Tests: T1 T2 T3
218 1/1 data_clr = 1'b0;
Tests: T1 T2 T3
219 1/1 data_sel = OtpData;
Tests: T1 T2 T3
220
221 // Error Register
222 1/1 error_d = error_q;
Tests: T1 T2 T3
223 1/1 fsm_err_o = 1'b0;
Tests: T1 T2 T3
224
225 1/1 unique case (state_q)
Tests: T1 T2 T3
226 ///////////////////////////////////////////////////////////////////
227 // We get here after reset and wait until the power manager
228 // requests OTP initialization. If initialization is requested,
229 // an init command is written to the OTP macro, and we move on
230 // to the InitOtpSt waiting state.
231 ResetSt: begin
232 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
233 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
234 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
235 1/1 if (init_req_i) begin
Tests: T1 T2 T3
236 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
237 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
238 1/1 state_d = InitOtpSt;
Tests: T1 T2 T3
239 end
==> MISSING_ELSE
240 end
MISSING_ELSE
241 end
242 ///////////////////////////////////////////////////////////////////
243 // We wait here unitl the OTP macro has initialized without
244 // error. If an error occurred during this stage, we latch that
245 // error and move into a terminal error state.
246 InitOtpSt: begin
247 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
248 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
249 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
250 1/1 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
Tests: T1 T2 T3
251 0/1 ==> state_d = ErrorSt;
252 0/1 ==> error_d = otp_err;
253 end else begin
254 1/1 state_d = InitPartSt;
Tests: T1 T2 T3
255 end
256 end
MISSING_ELSE
257 end
258 ///////////////////////////////////////////////////////////////////
259 // Since the OTP macro is now functional, we can send out an
260 // initialization request to all partitions and wait until they
261 // all have initialized.
262 InitPartSt: begin
263 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
264 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
265 1/1 part_init_req_o = 1'b1;
Tests: T1 T2 T3
266 1/1 if (part_init_done_i == {NumPart{1'b1}}) begin
Tests: T1 T2 T3
267 1/1 state_d = IdleSt;
Tests: T1 T2 T3
268 end
MISSING_ELSE
269 end
270 ///////////////////////////////////////////////////////////////////
271 // Idle state where we wait for incoming commands.
272 // Invalid commands trigger a CmdInvErr, which is recoverable.
273 IdleSt: begin
274 1/1 dai_idle_o = 1'b1;
Tests: T1 T2 T3
275 1/1 if (dai_req_i) begin
Tests: T1 T2 T3
276 // This clears previous (recoverable) and reset the counter.
277 1/1 error_d = NoError;
Tests: T1 T2 T3
278 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
279 1/1 unique case (dai_cmd_i)
Tests: T1 T2 T3
280 DaiRead: begin
281 1/1 state_d = ReadSt;
Tests: T1 T2 T3
282 // Clear the temporary data register.
283 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
284 1/1 base_sel_d = DaiOffset;
Tests: T1 T2 T3
285 end
286 DaiWrite: begin
287 1/1 data_sel = DaiData;
Tests: T1 T2 T3
288 // Fetch data block.
289 1/1 data_en = 1'b1;
Tests: T1 T2 T3
290 1/1 base_sel_d = DaiOffset;
Tests: T1 T2 T3
291 // If this partition is scrambled, directly go to write scrambling first.
292 1/1 if (PartInfo[part_idx].secret) begin
Tests: T1 T2 T3
293 1/1 state_d = ScrSt;
Tests: T2 T3 T4
294 end else begin
295 1/1 state_d = WriteSt;
Tests: T1 T2 T3
296 end
297 end
298 DaiDigest: begin
299 1/1 state_d = DigClrSt;
Tests: T1 T3 T4
300 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
301 1/1 base_sel_d = PartOffset;
Tests: T1 T3 T4
302 end
303 default: ; // Ignore invalid commands
304 endcase // dai_cmd_i
305 end // dai_req_i
MISSING_ELSE
306 end
307 ///////////////////////////////////////////////////////////////////
308 // Each time we request a block of data from OTP, we re-check
309 // whether read access has been locked for this partition. If
310 // that is the case, we immediately bail out. Otherwise, we
311 // request a block of data from OTP.
312 ReadSt: begin
313 1/1 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
Tests: T1 T2 T3
314 // HW digests always remain readable.
315 PartInfo[part_idx].hw_digest && otp_addr_o ==
316 digest_addr_lut[part_idx])) begin
317 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
318 // Depending on the partition configuration,
319 // the wrapper is instructed to ignore integrity errors.
320 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T2 T3
321 1/1 otp_cmd_o = prim_otp_pkg::Read;
Tests: T1 T2 T3
322 end else begin
323 1/1 otp_cmd_o = prim_otp_pkg::ReadRaw;
Tests: T2 T3 T6
324 end
325 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
326 1/1 state_d = ReadWaitSt;
Tests: T1 T2 T3
327 end
MISSING_ELSE
328 end else begin
329 1/1 state_d = IdleSt;
Tests: T4 T6 T5
330 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T6 T5
331 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T6 T5
332 end
333 end
334 ///////////////////////////////////////////////////////////////////
335 // Wait for OTP response and write to readout register. Check
336 // whether descrambling is required or not. In case an OTP
337 // transaction fails, latch the OTP error code, and jump to
338 // terminal error state.
339 ReadWaitSt: begin
340 // Continuously check read access and bail out if this is not consistent.
341 1/1 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
Tests: T1 T2 T3
342 // HW digests always remain readable.
343 PartInfo[part_idx].hw_digest && otp_addr_o ==
344 digest_addr_lut[part_idx])) begin
345 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
346 // Check OTP return code.
347 1/1 if (otp_err inside {NoError, MacroEccCorrError}) begin
Tests: T1 T2 T3
348 1/1 data_en = 1'b1;
Tests: T1 T2 T3
349 // We do not need to descramble the digest values.
350 1/1 if (PartInfo[part_idx].secret && otp_addr_o != digest_addr_lut[part_idx]) begin
Tests: T1 T2 T3
351 1/1 state_d = DescrSt;
Tests: T2 T3 T4
352 end else begin
353 1/1 state_d = IdleSt;
Tests: T1 T2 T3
354 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T2 T3
355 end
356 // At this point the only error that we could have gotten are correctable ECC errors.
357 1/1 if (otp_err != NoError) begin
Tests: T1 T2 T3
358 1/1 error_d = MacroEccCorrError;
Tests: T4 T121 T125
359 end
MISSING_ELSE
360 end else begin
361 1/1 state_d = ErrorSt;
Tests: T91 T25 T121
362 1/1 error_d = otp_err;
Tests: T91 T25 T121
363 end
364 end
MISSING_ELSE
365 // At this point, this check MUST succeed - otherwise this means that
366 // there was a tampering attempt. Hence we go into a terminal error state
367 // when this check fails.
368 end else begin
369 0/1 ==> state_d = ErrorSt;
370 0/1 ==> error_d = FsmStateError;
371 end
372 end
373 ///////////////////////////////////////////////////////////////////
374 // Descrambling state. This first acquires the scrambling
375 // datapath mutex. Note that once the mutex is acquired, we have
376 // exclusive access to the scrambling datapath until we release
377 // the mutex by deasserting scrmbl_mtx_req_o.
378 // SEC_CM: SECRET.MEM.SCRAMBLE
379 DescrSt: begin
380 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
381 1/1 scrmbl_valid_o = 1'b1;
Tests: T2 T3 T4
382 1/1 scrmbl_cmd_o = Decrypt;
Tests: T2 T3 T4
383 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T4
384 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T2 T3 T4
385 1/1 state_d = DescrWaitSt;
Tests: T2 T3 T4
386 end
MISSING_ELSE
387 end
388 ///////////////////////////////////////////////////////////////////
389 // Wait for the descrambled data to return. Note that we release
390 // the mutex lock upon leaving this state.
391 // SEC_CM: SECRET.MEM.SCRAMBLE
392 DescrWaitSt: begin
393 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
394 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T4
395 1/1 data_sel = ScrmblData;
Tests: T2 T3 T4
396 1/1 if (scrmbl_valid_i) begin
Tests: T2 T3 T4
397 1/1 state_d = IdleSt;
Tests: T2 T3 T4
398 1/1 data_en = 1'b1;
Tests: T2 T3 T4
399 1/1 dai_cmd_done_o = 1'b1;
Tests: T2 T3 T4
400 end
MISSING_ELSE
401 end
402 ///////////////////////////////////////////////////////////////////
403 // First, check whether write accesses are allowed to this
404 // partition, and error out otherwise. Note that for buffered
405 // partitions, we do not allow DAI writes to the digest offset.
406 // Unbuffered partitions have SW managed digests, hence that
407 // check is not needed in that case. The LC partition is
408 // permanently write locked and can hence not be written via the DAI.
409 WriteSt: begin
410 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
411 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T1 T2 T3
412 // If this is a HW digest write to a buffered partition.
413 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
414 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
415 // If this is a non HW digest write to a buffered partition.
416 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
417 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
418 // If this is a write to an unbuffered partition
419 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
420 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
421 // Depending on the partition configuration,
422 // the wrapper is instructed to ignore integrity errors.
423 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T2 T3
424 1/1 otp_cmd_o = prim_otp_pkg::Write;
Tests: T1 T2 T3
425 end else begin
426 1/1 otp_cmd_o = prim_otp_pkg::WriteRaw;
Tests: T2 T3 T4
427 end
428 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
429 1/1 state_d = WriteWaitSt;
Tests: T1 T2 T3
430 end
MISSING_ELSE
431 end else begin
432 // Clear working register state.
433 1/1 data_clr = 1'b1;
Tests: T1 T4 T6
434 1/1 state_d = IdleSt;
Tests: T1 T4 T6
435 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T1 T4 T6
436 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T4 T6
437 end
438 end
439 ///////////////////////////////////////////////////////////////////
440 // Wait for OTP response, and then go back to idle. In case an
441 // OTP transaction fails, latch the OTP error code, and jump to
442 // terminal error state.
443 WriteWaitSt: begin
444 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
445 // Continuously check write access and bail out if this is not consistent.
446 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T1 T2 T3
447 // If this is a HW digest write to a buffered partition.
448 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
449 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
450 // If this is a non HW digest write to a buffered partition.
451 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
452 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
453 // If this is a write to an unbuffered partition
454 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
455
456 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
457 // Check OTP return code. Note that non-blank errors are recoverable.
458 1/1 if ((!(otp_err inside {NoError, MacroWriteBlankError}))) begin
Tests: T1 T2 T3
459 0/1 ==> state_d = ErrorSt;
460 0/1 ==> error_d = otp_err;
461 end else begin
462 // Clear working register state.
463 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
464 1/1 state_d = IdleSt;
Tests: T1 T2 T3
465 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T2 T3
466 // Signal non-blank state, but do not go to terminal error state.
467 1/1 if (otp_err == MacroWriteBlankError) begin
Tests: T1 T2 T3
468 1/1 error_d = otp_err;
Tests: T91 T25 T26
469 end
MISSING_ELSE
470 end
471 end
MISSING_ELSE
472 // At this point, this check MUST succeed - otherwise this means that
473 // there was a tampering attempt. Hence we go into a terminal error state
474 // when this check fails.
475 end else begin
476 0/1 ==> state_d = ErrorSt;
477 0/1 ==> error_d = FsmStateError;
478 end
479 end
480 ///////////////////////////////////////////////////////////////////
481 // Scrambling state. This first acquires the scrambling
482 // datapath mutex. Note that once the mutex is acquired, we have
483 // exclusive access to the scrambling datapath until we release
484 // the mutex by deasserting scrmbl_mtx_req_o.
485 // SEC_CM: SECRET.MEM.SCRAMBLE
486 ScrSt: begin
487 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
488 // Check write access and bail out if this is not consistent.
489 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T2 T3 T4
490 // If this is a non HW digest write to a buffered partition.
491 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
492 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
493 otp_addr_o < digest_addr_lut[part_idx])) begin
494
495 1/1 scrmbl_valid_o = 1'b1;
Tests: T2 T3 T6
496 1/1 scrmbl_cmd_o = Encrypt;
Tests: T2 T3 T6
497 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T6
498 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T2 T3 T6
499 1/1 state_d = ScrWaitSt;
Tests: T2 T3 T6
500 end
MISSING_ELSE
501 end else begin
502 1/1 state_d = IdleSt;
Tests: T4 T6 T5
503 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T6 T5
504 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T6 T5
505 end
506 end
507 ///////////////////////////////////////////////////////////////////
508 // Wait for the scrambled data to return. Note that we release
509 // the mutex lock upon leaving this state.
510 // SEC_CM: SECRET.MEM.SCRAMBLE
511 ScrWaitSt: begin
512 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T6
513 // Continously check write access and bail out if this is not consistent.
514 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T2 T3 T6
515 // If this is a non HW digest write to a buffered partition.
516 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
517 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
518 otp_addr_o < digest_addr_lut[part_idx])) begin
519 1/1 data_sel = ScrmblData;
Tests: T2 T3 T6
520 1/1 if (scrmbl_valid_i) begin
Tests: T2 T3 T6
521 1/1 state_d = WriteSt;
Tests: T2 T3 T6
522 1/1 data_en = 1'b1;
Tests: T2 T3 T6
523 end
MISSING_ELSE
524 // At this point, this check MUST succeed - otherwise this means that
525 // there was a tampering attempt. Hence we go into a terminal error state
526 // when this check fails.
527 end else begin
528 0/1 ==> state_d = ErrorSt;
529 0/1 ==> error_d = FsmStateError;
530 end
531 end
532 ///////////////////////////////////////////////////////////////////
533 // First, acquire the mutex for the digest and clear the digest state.
534 // SEC_CM: PART.MEM.DIGEST
535 DigClrSt: begin
536 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
537 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
538 // Need to reset the digest state and set digest mode to "standard".
539 1/1 scrmbl_cmd_o = DigestInit;
Tests: T1 T3 T4
540 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T1 T3 T4
541 1/1 state_d = DigReadSt;
Tests: T1 T3 T4
542 end
MISSING_ELSE
543 end
544 ///////////////////////////////////////////////////////////////////
545 // This requests a 64bit block to be pushed into the digest datapath.
546 // We also check here whether the partition has been write locked.
547 // SEC_CM: PART.MEM.DIGEST
548 DigReadSt: begin
549 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
550 1/1 if (part_sel_valid &&
Tests: T1 T3 T4
551 mubi8_test_false_strict(part_access_i[part_idx].read_lock) &&
552 mubi8_test_false_strict(part_access_i[part_idx].write_lock)) begin
553 1/1 otp_req_o = 1'b1;
Tests: T1 T3 T4
554 // Depending on the partition configuration,
555 // the wrapper is instructed to ignore integrity errors.
556 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T3 T4
557 1/1 otp_cmd_o = prim_otp_pkg::Read;
Tests: T1 T3 T4
558 end else begin
559 0/1 ==> otp_cmd_o = prim_otp_pkg::ReadRaw;
560 end
561 1/1 if (otp_gnt_i) begin
Tests: T1 T3 T4
562 1/1 state_d = DigReadWaitSt;
Tests: T1 T3 T4
563 end
MISSING_ELSE
564 end else begin
565 1/1 state_d = IdleSt;
Tests: T4 T5 T15
566 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T5 T15
567 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T5 T15
568 end
569 end
570 ///////////////////////////////////////////////////////////////////
571 // Wait for OTP response and write to readout register. Check
572 // whether descrambling is required or not. In case an OTP
573 // transaction fails, latch the OTP error code, and jump to
574 // terminal error state.
575 // SEC_CM: PART.MEM.DIGEST
576 DigReadWaitSt: begin
577 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
578 1/1 if (otp_rvalid_i) begin
Tests: T1 T3 T4
579 1/1 cnt_en = 1'b1;
Tests: T1 T3 T4
580 // Check OTP return code.
581 1/1 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
Tests: T1 T3 T4
582 0/1 ==> state_d = ErrorSt;
583 0/1 ==> error_d = otp_err;
584 end else begin
585 1/1 data_en = 1'b1;
Tests: T1 T3 T4
586 1/1 state_d = DigSt;
Tests: T1 T3 T4
587 // Signal soft ECC errors, but do not go into terminal error state.
588 1/1 if (otp_err == MacroEccCorrError) begin
Tests: T1 T3 T4
589 0/1 ==> error_d = otp_err;
590 end
MISSING_ELSE
591 end
592 end
MISSING_ELSE
593 end
594 ///////////////////////////////////////////////////////////////////
595 // Push the word read into the scrambling datapath. The last
596 // block is repeated in case the number blocks in this partition
597 // is odd.
598 // SEC_CM: PART.MEM.DIGEST
599 DigSt: begin
600 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
601 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
602 // No need to digest the digest value itself
603 1/1 if (otp_addr_o == digest_addr_lut[part_idx]) begin
Tests: T1 T3 T4
604 // Trigger digest round in case this is the second block in a row.
605 1/1 if (!cnt[0]) begin
Tests: T1 T3 T4
606 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T4
607 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
608 1/1 state_d = DigFinSt;
Tests: T1 T3 T4
609 end
==> MISSING_ELSE
610 // Otherwise, just load low word and go to padding state.
611 1/1 end else if (scrmbl_ready_i) begin
Tests: T1 T3 T5
612 1/1 state_d = DigPadSt;
Tests: T1 T3 T5
613 end
MISSING_ELSE
614 end else begin
615 // Trigger digest round in case this is the second block in a row.
616 1/1 if (!cnt[0]) begin
Tests: T1 T3 T4
617 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T4
618 end
MISSING_ELSE
619 // Go back and fetch more data blocks.
620 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
621 1/1 state_d = DigReadSt;
Tests: T1 T3 T4
622 end
MISSING_ELSE
623 end
624 end
625 ///////////////////////////////////////////////////////////////////
626 // Padding state, just repeat the last block and go to digest
627 // finalization.
628 // SEC_CM: PART.MEM.DIGEST
629 DigPadSt: begin
630 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T5
631 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T5
632 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T5
633 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T5
634 1/1 state_d = DigFinSt;
Tests: T1 T3 T5
635 end
==> MISSING_ELSE
636 end
637 ///////////////////////////////////////////////////////////////////
638 // Trigger digest finalization and go wait for the result.
639 // SEC_CM: PART.MEM.DIGEST
640 DigFinSt: begin
641 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
642 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
643 1/1 scrmbl_cmd_o = DigestFinalize;
Tests: T1 T3 T4
644 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
645 1/1 state_d = DigWaitSt;
Tests: T1 T3 T4
646 end
MISSING_ELSE
647 end
648 ///////////////////////////////////////////////////////////////////
649 // Wait for the digest to return, and write the result to OTP.
650 // Note that the write address will be correct in this state,
651 // since the counter has been stepped to the correct address as
652 // part of the readout sequence, and the correct size for this
653 // access has been loaded before.
654 // SEC_CM: PART.MEM.DIGEST
655 DigWaitSt: begin
656 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
657 1/1 data_sel = ScrmblData;
Tests: T1 T3 T4
658 1/1 if (scrmbl_valid_i) begin
Tests: T1 T3 T4
659 1/1 state_d = WriteSt;
Tests: T1 T3 T4
660 1/1 data_en = 1'b1;
Tests: T1 T3 T4
661 end
MISSING_ELSE
662 end
663 ///////////////////////////////////////////////////////////////////
664 // Terminal Error State. This locks access to the DAI. Make sure
665 // an FsmStateError error code is assigned here, in case no error code has
666 // been assigned yet.
667 ErrorSt: begin
668 1/1 if (error_q == NoError) begin
Tests: T2 T4 T6
669 1/1 error_d = FsmStateError;
Tests: T19 T20 T21
670 end
MISSING_ELSE
671 end
672 ///////////////////////////////////////////////////////////////////
673 // We should never get here. If we do (e.g. via a malicious
674 // glitch), error out immediately.
675 default: begin
676 state_d = ErrorSt;
677 fsm_err_o = 1'b1;
678 end
679 ///////////////////////////////////////////////////////////////////
680 endcase // state_q
681
682 // Unconditionally jump into the terminal error state in case of escalation.
683 // SEC_CM: DAI.FSM.LOCAL_ESC, DAI.FSM.GLOBAL_ESC
684 1/1 if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i) || cnt_err) begin
Tests: T1 T2 T3
685 1/1 state_d = ErrorSt;
Tests: T2 T4 T6
686 1/1 fsm_err_o = 1'b1;
Tests: T2 T4 T6
687 1/1 if (state_q != ErrorSt) begin
Tests: T2 T4 T6
688 1/1 error_d = FsmStateError;
Tests: T2 T4 T6
689 end
MISSING_ELSE
690 end
MISSING_ELSE
691 end
692
693 ////////////////////////////
694 // Partition Select Logic //
695 ////////////////////////////
696
697 // This checks which partition the address belongs to by comparing
698 // the incoming address to the partition address ranges. The onehot
699 // bitvector generated by the parallel comparisons is fed into a
700 // binary tree that determines the partition index with O(log(N)) delay.
701
702 logic [NumPart-1:0] part_sel_oh;
703 for (genvar k = 0; k < NumPart; k++) begin : gen_part_sel
704 localparam int unsigned PartEndInt = 32'(PartInfo[k].offset) + 32'(PartInfo[k].size);
705 localparam int unsigned DigestOffsetInt = PartEndInt - ScrmblBlockWidth / 8;
706 localparam int unsigned DigestAddrLutInt = DigestOffsetInt >> OtpAddrShift;
707
708 // PartEnd has an extra bit to cope with the case where offset + size overflows. However, we
709 // arrange the address map to make sure that PartEndInt is at most 1 << OtpByteAddrWidth. Check
710 // that here.
711 `ASSERT_INIT(PartEndMax_A, PartEndInt <= (1 << OtpByteAddrWidth))
712
713 // The shift right by OtpAddrShift drops exactly the bottom bits that are needed to convert
714 // between OtpAddrWidth and OtpByteAddrWidth, so we know that we can slice safely here.
715 localparam bit [OtpAddrWidth-1:0] DigestAddrLut = DigestAddrLutInt[OtpAddrWidth-1:0];
716
717 if (PartInfo[k].offset == 0) begin : gen_zero_offset
718 1/1 assign part_sel_oh[k] = ({1'b0, dai_addr_i} < PartEndInt[OtpByteAddrWidth:0]);
Tests: T1 T2 T3
719
720 end else begin : gen_nonzero_offset
721 10/10 assign part_sel_oh[k] = (dai_addr_i >= PartInfo[k].offset) &
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
722 ({1'b0, dai_addr_i} < PartEndInt[OtpByteAddrWidth:0]);
723 end
724 assign digest_addr_lut[k] = DigestAddrLut;
725 end
726
727 `ASSERT(ScrmblBlockWidthGe8_A, ScrmblBlockWidth >= 8)
728 `ASSERT(PartSelMustBeOnehot_A, $onehot0(part_sel_oh))
729
730 prim_arbiter_fixed #(
731 .N(NumPart),
732 .EnDataPort(0)
733 ) u_part_sel_idx (
734 .clk_i,
735 .rst_ni,
736 .req_i ( part_sel_oh ),
737 .data_i ( '{default: '0} ),
738 .gnt_o ( ), // unused
739 .idx_o ( part_idx ),
740 .valid_o ( part_sel_valid ), // used for detecting OOB addresses
741 .data_o ( ), // unused
742 .ready_i ( 1'b0 )
743 );
744
745 /////////////////////////////////////
746 // Address Calculations for Digest //
747 /////////////////////////////////////
748
749 // Depending on whether this is a 32bit or 64bit partition, we cut off the lower address bits.
750 // Access sizes are either 64bit or 32bit, depending on what region the access goes to.
751 logic [OtpByteAddrWidth-1:0] addr_base;
752 always_comb begin : p_size_sel
753 1/1 otp_size_o = OtpSizeWidth'(unsigned'(32 / OtpWidth - 1));
Tests: T1 T2 T3
754 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:2], 2'h0};
Tests: T1 T2 T3
755
756 // 64bit transaction for scrambled partitions.
757 1/1 if (PartInfo[part_idx].secret) begin
Tests: T1 T2 T3
758 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T2 T3 T4
759 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
Tests: T2 T3 T4
760 // 64bit transaction if computing a digest.
761 1/1 end else if (PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset)) begin
Tests: T1 T2 T3
762 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T1 T3 T4
763 1/1 addr_base = PartInfo[part_idx].offset;
Tests: T1 T3 T4
764 // 64bit transaction if the DAI address points to the partition's digest offset.
765 1/1 end else if ((PartInfo[part_idx].hw_digest || PartInfo[part_idx].sw_digest) &&
Tests: T1 T2 T3
766 (base_sel_q == DaiOffset) &&
767 ({dai_addr_i[OtpByteAddrWidth-1:3], 2'b0} == digest_addr_lut[part_idx])) begin
768 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T4 T6 T22
769 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
Tests: T4 T6 T22
770 end
MISSING_ELSE
771 end
772
773 // Address counter - this is only used for computing a digest, hence the increment is
774 // fixed to 8 byte.
775 // SEC_CM: DAI.CTR.REDUN
776 prim_count #(
777 .Width(CntWidth)
778 ) u_prim_count (
779 .clk_i,
780 .rst_ni,
781 .clr_i(cnt_clr),
782 .set_i(1'b0),
783 .set_cnt_i('0),
784 .incr_en_i(cnt_en),
785 .decr_en_i(1'b0),
786 .step_i(CntWidth'(1)),
787 .commit_i(1'b1),
788 .cnt_o(cnt),
789 .cnt_after_commit_o(),
790 .err_o(cnt_err)
791 );
792
793 // Note that OTP works on halfword (16bit) addresses, hence need to
794 // shift the addresses appropriately.
795 logic [OtpByteAddrWidth-1:0] addr_calc;
796 1/1 assign addr_calc = {cnt, {$clog2(ScrmblBlockWidth/8){1'b0}}} + addr_base;
Tests: T1 T2 T3
797 1/1 assign otp_addr_o = OtpAddrWidth'(addr_calc >> OtpAddrShift);
Tests: T1 T2 T3
798
799 ///////////////
800 // Registers //
801 ///////////////
802
803 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt):
803.1 `ifdef SIMULATION
803.2 prim_sparse_fsm_flop #(
803.3 .StateEnumT(state_e),
803.4 .Width($bits(state_e)),
803.5 .ResetValue($bits(state_e)'(ResetSt)),
803.6 .EnableAlertTriggerSVA(1),
803.7 .CustomForceName("state_q")
803.8 ) u_state_regs (
803.9 .clk_i ( clk_i ),
803.10 .rst_ni ( rst_ni ),
803.11 .state_i ( state_d ),
803.12 .state_o ( )
803.13 );
803.14 always_ff @(posedge clk_i or negedge rst_ni) begin
803.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
803.16 1/1 state_q <= ResetSt;
Tests: T1 T2 T3
803.17 end else begin
803.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
803.19 end
803.20 end
803.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
803.22 else begin
803.23 `ifdef UVM
803.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
803.25 "../src/lowrisc_ip_otp_ctrl_1.0/rtl/otp_ctrl_dai.sv", 803, "", 1);
803.26 `else
803.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
803.28 `PRIM_STRINGIFY(u_state_regs_A));
803.29 `endif
803.30 end
803.31 `else
803.32 prim_sparse_fsm_flop #(
803.33 .StateEnumT(state_e),
803.34 .Width($bits(state_e)),
803.35 .ResetValue($bits(state_e)'(ResetSt)),
803.36 .EnableAlertTriggerSVA(1)
803.37 ) u_state_regs (
803.38 .clk_i ( `PRIM_FLOP_CLK ),
803.39 .rst_ni ( `PRIM_FLOP_RST ),
803.40 .state_i ( state_d ),
803.41 .state_o ( state_q )
803.42 );
803.43 `endif804
805 always_ff @(posedge clk_i or negedge rst_ni) begin : p_regs
806 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
807 1/1 error_q <= NoError;
Tests: T1 T2 T3
808 1/1 data_q <= '0;
Tests: T1 T2 T3
809 1/1 base_sel_q <= DaiOffset;
Tests: T1 T2 T3
810 end else begin
811 1/1 error_q <= error_d;
Tests: T1 T2 T3
812 1/1 base_sel_q <= base_sel_d;
Tests: T1 T2 T3
813
814 // Working register
815 1/1 if (data_clr) begin
Tests: T1 T2 T3
816 1/1 data_q <= '0;
Tests: T1 T2 T3
817 1/1 end else if (data_en) begin
Tests: T1 T2 T3
818 1/1 if (data_sel == ScrmblData) begin
Tests: T1 T2 T3
819 1/1 data_q <= scrmbl_data_i;
Tests: T1 T2 T3
820 1/1 end else if (data_sel == DaiData) begin
Tests: T1 T2 T3
821 1/1 data_q <= dai_wdata_i;
Tests: T1 T2 T3
822 end else begin
823 1/1 data_q <= otp_rdata_i;
Tests: T1 T2 T3
824 end
825 end
MISSING_ELSE
Cond Coverage for Module :
otp_ctrl_dai
| Total | Covered | Percent |
|---|
| Conditions | 85 | 77 | 90.59 |
| Logical | 85 | 77 | 90.59 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 170
EXPRESSION (((!otp_ctrl_part_pkg::PartInfo[part_idx].integrity)) && (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}))
--------------------------1------------------------- -----------------------------------2-----------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T4,T91,T25 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T23,T128 |
LINE 184
EXPRESSION ((state_q == IdleSt) ? data_q : '0)
---------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 184
SUB-EXPRESSION (state_q == IdleSt)
---------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 266
EXPRESSION (part_init_done_i == {otp_ctrl_reg_pkg::NumPart {1'b1}})
----------------------------1---------------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 350
EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].secret && (otp_addr_o != digest_addr_lut[part_idx]))
----------------------1--------------------- --------------------2--------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T4,T6,T22 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 350
SUB-EXPRESSION (otp_addr_o != digest_addr_lut[part_idx])
--------------------1--------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T4,T6,T22 |
| 1 | Covered | T1,T2,T3 |
LINE 357
EXPRESSION (otp_err != NoError)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T4,T121,T125 |
LINE 384
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Not Covered | |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 467
EXPRESSION (otp_err == MacroWriteBlankError)
----------------1----------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T91,T25,T26 |
LINE 498
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Not Covered | |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T2,T3,T6 |
LINE 540
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Not Covered | |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T1,T3,T4 |
LINE 588
EXPRESSION (otp_err == MacroEccCorrError)
---------------1--------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T3,T4 |
| 1 | Not Covered | |
LINE 603
EXPRESSION (otp_addr_o == digest_addr_lut[part_idx])
--------------------1--------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T3,T4 |
| 1 | Covered | T1,T3,T4 |
LINE 668
EXPRESSION (error_q == NoError)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T2,T4,T6 |
| 1 | Covered | T19,T20,T21 |
LINE 687
EXPRESSION (state_q != ErrorSt)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T2,T4,T6 |
| 1 | Covered | T2,T4,T6 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b00001000000) & ({1'b0, dai_addr_i} < gen_part_sel[1].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T1,T2,T3 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b00110110000) & ({1'b0, dai_addr_i} < gen_part_sel[2].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b10001111000) & ({1'b0, dai_addr_i} < gen_part_sel[3].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11001010000) & ({1'b0, dai_addr_i} < gen_part_sel[4].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11001111000) & ({1'b0, dai_addr_i} < gen_part_sel[5].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T1,T2,T3 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011000000) & ({1'b0, dai_addr_i} < gen_part_sel[6].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011010000) & ({1'b0, dai_addr_i} < gen_part_sel[7].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011111000) & ({1'b0, dai_addr_i} < gen_part_sel[8].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T3,T4,T6 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11101010000) & ({1'b0, dai_addr_i} < gen_part_sel[9].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T25,T26,T27 |
| 1 | 1 | Covered | T3,T4,T6 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11110101000) & ({1'b0, dai_addr_i} < gen_part_sel[10].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- --------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T25,T26,T27 |
LINE 761
EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset))
-----------------------1----------------------- -------------2------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T49,T11 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T1,T3,T4 |
LINE 761
SUB-EXPRESSION (base_sel_q == PartOffset)
-------------1------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T3,T4 |
LINE 765
EXPRESSION
Number Term
1 (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest || otp_ctrl_part_pkg::PartInfo[part_idx].sw_digest) &&
2 (base_sel_q == DaiOffset) &&
3 ({dai_addr_i[(otp_ctrl_reg_pkg::OtpByteAddrWidth - 1):3], 2'b0} == digest_addr_lut[part_idx]))
| -1- | -2- | -3- | Status | Tests |
|---|
| 0 | 1 | 1 | Covered | T205,T230,T231 |
| 1 | 0 | 1 | Covered | T232,T87,T233 |
| 1 | 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | 1 | Covered | T4,T6,T22 |
LINE 765
SUB-EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest || otp_ctrl_part_pkg::PartInfo[part_idx].sw_digest)
-----------------------1----------------------- -----------------------2-----------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T25,T26,T27 |
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
LINE 765
SUB-EXPRESSION (base_sel_q == DaiOffset)
------------1------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T49,T11 |
| 1 | Covered | T1,T2,T3 |
LINE 765
SUB-EXPRESSION ({dai_addr_i[(otp_ctrl_reg_pkg::OtpByteAddrWidth - 1):3], 2'b0} == digest_addr_lut[part_idx])
----------------------------------------------1----------------------------------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T4,T6,T22 |
LINE 818
EXPRESSION (data_sel == ScrmblData)
------------1-----------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 820
EXPRESSION (data_sel == DaiData)
----------1----------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
FSM Coverage for Module :
otp_ctrl_dai
Summary for FSM :: state_q
| Total | Covered | Percent | |
| States |
20 |
20 |
100.00 |
(Not included in score) |
| Transitions |
48 |
42 |
87.50 |
|
| Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| states | Line No. | Covered | Tests |
| DescrSt |
351 |
Covered |
T2,T3,T4 |
| DescrWaitSt |
385 |
Covered |
T2,T3,T4 |
| DigClrSt |
299 |
Covered |
T1,T3,T4 |
| DigFinSt |
608 |
Covered |
T1,T3,T4 |
| DigPadSt |
612 |
Covered |
T1,T3,T5 |
| DigReadSt |
541 |
Covered |
T1,T3,T4 |
| DigReadWaitSt |
562 |
Covered |
T1,T3,T4 |
| DigSt |
586 |
Covered |
T1,T3,T4 |
| DigWaitSt |
645 |
Covered |
T1,T3,T4 |
| ErrorSt |
251 |
Covered |
T2,T4,T6 |
| IdleSt |
267 |
Covered |
T1,T2,T3 |
| InitOtpSt |
238 |
Covered |
T1,T2,T3 |
| InitPartSt |
254 |
Covered |
T1,T2,T3 |
| ReadSt |
281 |
Covered |
T1,T2,T3 |
| ReadWaitSt |
326 |
Covered |
T1,T2,T3 |
| ResetSt |
231 |
Covered |
T1,T2,T3 |
| ScrSt |
293 |
Covered |
T2,T3,T4 |
| ScrWaitSt |
499 |
Covered |
T2,T3,T6 |
| WriteSt |
295 |
Covered |
T1,T2,T3 |
| WriteWaitSt |
429 |
Covered |
T1,T2,T3 |
| transitions | Line No. | Covered | Tests |
| DescrSt->DescrWaitSt |
385 |
Covered |
T2,T3,T4 |
| DescrSt->ErrorSt |
685 |
Covered |
T234 |
| DescrWaitSt->ErrorSt |
685 |
Covered |
T235,T236 |
| DescrWaitSt->IdleSt |
397 |
Covered |
T2,T3,T4 |
| DigClrSt->DigReadSt |
541 |
Covered |
T1,T3,T4 |
| DigClrSt->ErrorSt |
685 |
Not Covered |
|
| DigFinSt->DigWaitSt |
645 |
Covered |
T1,T3,T4 |
| DigFinSt->ErrorSt |
685 |
Covered |
T237,T238,T239 |
| DigPadSt->DigFinSt |
634 |
Covered |
T1,T3,T5 |
| DigPadSt->ErrorSt |
685 |
Not Covered |
|
| DigReadSt->DigReadWaitSt |
562 |
Covered |
T1,T3,T4 |
| DigReadSt->ErrorSt |
685 |
Covered |
T197,T240 |
| DigReadSt->IdleSt |
565 |
Covered |
T4,T5,T15 |
| DigReadWaitSt->DigSt |
586 |
Covered |
T1,T3,T4 |
| DigReadWaitSt->ErrorSt |
582 |
Covered |
T92,T84,T241 |
| DigSt->DigFinSt |
608 |
Covered |
T1,T3,T4 |
| DigSt->DigPadSt |
612 |
Covered |
T1,T3,T5 |
| DigSt->DigReadSt |
621 |
Covered |
T1,T3,T4 |
| DigSt->ErrorSt |
685 |
Covered |
T11,T242,T243 |
| DigWaitSt->ErrorSt |
685 |
Covered |
T244,T245,T246 |
| DigWaitSt->WriteSt |
659 |
Covered |
T1,T3,T4 |
| IdleSt->DigClrSt |
299 |
Covered |
T1,T3,T4 |
| IdleSt->ErrorSt |
685 |
Covered |
T4,T125,T90 |
| IdleSt->ReadSt |
281 |
Covered |
T1,T2,T3 |
| IdleSt->ScrSt |
293 |
Covered |
T2,T3,T4 |
| IdleSt->WriteSt |
295 |
Covered |
T1,T2,T3 |
| InitOtpSt->ErrorSt |
251 |
Covered |
T99,T170,T247 |
| InitOtpSt->InitPartSt |
254 |
Covered |
T1,T2,T3 |
| InitPartSt->ErrorSt |
685 |
Covered |
T2,T6,T23 |
| InitPartSt->IdleSt |
267 |
Covered |
T1,T2,T3 |
| ReadSt->ErrorSt |
685 |
Not Covered |
|
| ReadSt->IdleSt |
329 |
Covered |
T4,T6,T5 |
| ReadSt->ReadWaitSt |
326 |
Covered |
T1,T2,T3 |
| ReadWaitSt->DescrSt |
351 |
Covered |
T2,T3,T4 |
| ReadWaitSt->ErrorSt |
361 |
Covered |
T91,T25,T121 |
| ReadWaitSt->IdleSt |
353 |
Covered |
T1,T2,T3 |
| ResetSt->ErrorSt |
685 |
Covered |
T100,T101,T149 |
| ResetSt->InitOtpSt |
238 |
Covered |
T1,T2,T3 |
| ScrSt->ErrorSt |
685 |
Not Covered |
|
| ScrSt->IdleSt |
502 |
Covered |
T4,T6,T5 |
| ScrSt->ScrWaitSt |
499 |
Covered |
T2,T3,T6 |
| ScrWaitSt->ErrorSt |
528 |
Not Covered |
|
| ScrWaitSt->WriteSt |
521 |
Covered |
T2,T3,T6 |
| WriteSt->ErrorSt |
685 |
Not Covered |
|
| WriteSt->IdleSt |
434 |
Covered |
T1,T4,T6 |
| WriteSt->WriteWaitSt |
429 |
Covered |
T1,T2,T3 |
| WriteWaitSt->ErrorSt |
459 |
Covered |
T248 |
| WriteWaitSt->IdleSt |
464 |
Covered |
T1,T2,T3 |
Summary for FSM :: error_q
| Total | Covered | Percent | |
| States |
4 |
4 |
100.00 |
(Not included in score) |
| Transitions |
12 |
8 |
66.67 |
|
| Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: error_q
| states | Line No. | Covered | Tests |
| AccessError |
330 |
Covered |
T1,T4,T6 |
| FsmStateError |
370 |
Covered |
T2,T4,T6 |
| MacroEccCorrError |
358 |
Covered |
T4,T121,T125 |
| NoError |
172 |
Covered |
T1,T2,T3 |
| transitions | Line No. | Covered | Tests |
| AccessError->FsmStateError |
370 |
Covered |
T249,T153,T250 |
| AccessError->MacroEccCorrError |
358 |
Not Covered |
|
| AccessError->NoError |
172 |
Covered |
T1,T4,T6 |
| FsmStateError->AccessError |
330 |
Not Covered |
|
| FsmStateError->MacroEccCorrError |
358 |
Not Covered |
|
| FsmStateError->NoError |
172 |
Covered |
T2,T4,T6 |
| MacroEccCorrError->AccessError |
330 |
Not Covered |
|
| MacroEccCorrError->FsmStateError |
370 |
Covered |
T162,T251,T215 |
| MacroEccCorrError->NoError |
172 |
Covered |
T4,T121,T125 |
| NoError->AccessError |
330 |
Covered |
T1,T4,T6 |
| NoError->FsmStateError |
370 |
Covered |
T2,T4,T6 |
| NoError->MacroEccCorrError |
358 |
Covered |
T4,T121,T125 |
Branch Coverage for Module :
otp_ctrl_dai
| Line No. | Total | Covered | Percent |
| Branches |
|
93 |
81 |
87.10 |
| TERNARY |
184 |
2 |
2 |
100.00 |
| IF |
170 |
2 |
2 |
100.00 |
| CASE |
225 |
74 |
62 |
83.78 |
| IF |
684 |
3 |
3 |
100.00 |
| IF |
757 |
4 |
4 |
100.00 |
| IF |
803 |
2 |
2 |
100.00 |
| IF |
806 |
6 |
6 |
100.00 |
184 assign dai_rdata_o = (state_q == IdleSt) ? data_q : '0;
-1-
==>
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
170 if (!PartInfo[part_idx].integrity &&
-1-
171 otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
172 otp_err = NoError;
==>
173 end
MISSING_ELSE
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T2,T23,T128 |
| 0 |
Covered |
T1,T2,T3 |
225 unique case (state_q)
-1-
226 ///////////////////////////////////////////////////////////////////
227 // We get here after reset and wait until the power manager
228 // requests OTP initialization. If initialization is requested,
229 // an init command is written to the OTP macro, and we move on
230 // to the InitOtpSt waiting state.
231 ResetSt: begin
232 init_done_o = 1'b0;
233 dai_prog_idle_o = 1'b0;
234 data_clr = 1'b1;
235 if (init_req_i) begin
-2-
236 otp_req_o = 1'b1;
237 if (otp_gnt_i) begin
-3-
238 state_d = InitOtpSt;
==>
239 end
MISSING_ELSE
==>
240 end
MISSING_ELSE
==>
241 end
242 ///////////////////////////////////////////////////////////////////
243 // We wait here unitl the OTP macro has initialized without
244 // error. If an error occurred during this stage, we latch that
245 // error and move into a terminal error state.
246 InitOtpSt: begin
247 init_done_o = 1'b0;
248 dai_prog_idle_o = 1'b0;
249 if (otp_rvalid_i) begin
-4-
250 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
-5-
251 state_d = ErrorSt;
==>
252 error_d = otp_err;
253 end else begin
254 state_d = InitPartSt;
==>
255 end
256 end
MISSING_ELSE
==>
257 end
258 ///////////////////////////////////////////////////////////////////
259 // Since the OTP macro is now functional, we can send out an
260 // initialization request to all partitions and wait until they
261 // all have initialized.
262 InitPartSt: begin
263 init_done_o = 1'b0;
264 dai_prog_idle_o = 1'b0;
265 part_init_req_o = 1'b1;
266 if (part_init_done_i == {NumPart{1'b1}}) begin
-6-
267 state_d = IdleSt;
==>
268 end
MISSING_ELSE
==>
269 end
270 ///////////////////////////////////////////////////////////////////
271 // Idle state where we wait for incoming commands.
272 // Invalid commands trigger a CmdInvErr, which is recoverable.
273 IdleSt: begin
274 dai_idle_o = 1'b1;
275 if (dai_req_i) begin
-7-
276 // This clears previous (recoverable) and reset the counter.
277 error_d = NoError;
278 cnt_clr = 1'b1;
279 unique case (dai_cmd_i)
-8-
280 DaiRead: begin
281 state_d = ReadSt;
==>
282 // Clear the temporary data register.
283 data_clr = 1'b1;
284 base_sel_d = DaiOffset;
285 end
286 DaiWrite: begin
287 data_sel = DaiData;
288 // Fetch data block.
289 data_en = 1'b1;
290 base_sel_d = DaiOffset;
291 // If this partition is scrambled, directly go to write scrambling first.
292 if (PartInfo[part_idx].secret) begin
-9-
293 state_d = ScrSt;
==>
294 end else begin
295 state_d = WriteSt;
==>
296 end
297 end
298 DaiDigest: begin
299 state_d = DigClrSt;
==>
300 scrmbl_mtx_req_o = 1'b1;
301 base_sel_d = PartOffset;
302 end
303 default: ; // Ignore invalid commands
==>
304 endcase // dai_cmd_i
305 end // dai_req_i
MISSING_ELSE
==>
306 end
307 ///////////////////////////////////////////////////////////////////
308 // Each time we request a block of data from OTP, we re-check
309 // whether read access has been locked for this partition. If
310 // that is the case, we immediately bail out. Otherwise, we
311 // request a block of data from OTP.
312 ReadSt: begin
313 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
-10-
314 // HW digests always remain readable.
315 PartInfo[part_idx].hw_digest && otp_addr_o ==
316 digest_addr_lut[part_idx])) begin
317 otp_req_o = 1'b1;
318 // Depending on the partition configuration,
319 // the wrapper is instructed to ignore integrity errors.
320 if (PartInfo[part_idx].integrity) begin
-11-
321 otp_cmd_o = prim_otp_pkg::Read;
==>
322 end else begin
323 otp_cmd_o = prim_otp_pkg::ReadRaw;
==>
324 end
325 if (otp_gnt_i) begin
-12-
326 state_d = ReadWaitSt;
==>
327 end
MISSING_ELSE
==>
328 end else begin
329 state_d = IdleSt;
==>
330 error_d = AccessError; // Signal this error, but do not go into terminal error state.
331 dai_cmd_done_o = 1'b1;
332 end
333 end
334 ///////////////////////////////////////////////////////////////////
335 // Wait for OTP response and write to readout register. Check
336 // whether descrambling is required or not. In case an OTP
337 // transaction fails, latch the OTP error code, and jump to
338 // terminal error state.
339 ReadWaitSt: begin
340 // Continuously check read access and bail out if this is not consistent.
341 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
-13-
342 // HW digests always remain readable.
343 PartInfo[part_idx].hw_digest && otp_addr_o ==
344 digest_addr_lut[part_idx])) begin
345 if (otp_rvalid_i) begin
-14-
346 // Check OTP return code.
347 if (otp_err inside {NoError, MacroEccCorrError}) begin
-15-
348 data_en = 1'b1;
349 // We do not need to descramble the digest values.
350 if (PartInfo[part_idx].secret && otp_addr_o != digest_addr_lut[part_idx]) begin
-16-
351 state_d = DescrSt;
==>
352 end else begin
353 state_d = IdleSt;
==>
354 dai_cmd_done_o = 1'b1;
355 end
356 // At this point the only error that we could have gotten are correctable ECC errors.
357 if (otp_err != NoError) begin
-17-
358 error_d = MacroEccCorrError;
==>
359 end
MISSING_ELSE
==>
360 end else begin
361 state_d = ErrorSt;
==>
362 error_d = otp_err;
363 end
364 end
MISSING_ELSE
==>
365 // At this point, this check MUST succeed - otherwise this means that
366 // there was a tampering attempt. Hence we go into a terminal error state
367 // when this check fails.
368 end else begin
369 state_d = ErrorSt;
==>
370 error_d = FsmStateError;
371 end
372 end
373 ///////////////////////////////////////////////////////////////////
374 // Descrambling state. This first acquires the scrambling
375 // datapath mutex. Note that once the mutex is acquired, we have
376 // exclusive access to the scrambling datapath until we release
377 // the mutex by deasserting scrmbl_mtx_req_o.
378 // SEC_CM: SECRET.MEM.SCRAMBLE
379 DescrSt: begin
380 scrmbl_mtx_req_o = 1'b1;
381 scrmbl_valid_o = 1'b1;
382 scrmbl_cmd_o = Decrypt;
383 scrmbl_sel_o = PartInfo[part_idx].key_sel;
384 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-18-
385 state_d = DescrWaitSt;
==>
386 end
MISSING_ELSE
==>
387 end
388 ///////////////////////////////////////////////////////////////////
389 // Wait for the descrambled data to return. Note that we release
390 // the mutex lock upon leaving this state.
391 // SEC_CM: SECRET.MEM.SCRAMBLE
392 DescrWaitSt: begin
393 scrmbl_mtx_req_o = 1'b1;
394 scrmbl_sel_o = PartInfo[part_idx].key_sel;
395 data_sel = ScrmblData;
396 if (scrmbl_valid_i) begin
-19-
397 state_d = IdleSt;
==>
398 data_en = 1'b1;
399 dai_cmd_done_o = 1'b1;
400 end
MISSING_ELSE
==>
401 end
402 ///////////////////////////////////////////////////////////////////
403 // First, check whether write accesses are allowed to this
404 // partition, and error out otherwise. Note that for buffered
405 // partitions, we do not allow DAI writes to the digest offset.
406 // Unbuffered partitions have SW managed digests, hence that
407 // check is not needed in that case. The LC partition is
408 // permanently write locked and can hence not be written via the DAI.
409 WriteSt: begin
410 dai_prog_idle_o = 1'b0;
411 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-20-
412 // If this is a HW digest write to a buffered partition.
413 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
414 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
415 // If this is a non HW digest write to a buffered partition.
416 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
417 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
418 // If this is a write to an unbuffered partition
419 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
420 otp_req_o = 1'b1;
421 // Depending on the partition configuration,
422 // the wrapper is instructed to ignore integrity errors.
423 if (PartInfo[part_idx].integrity) begin
-21-
424 otp_cmd_o = prim_otp_pkg::Write;
==>
425 end else begin
426 otp_cmd_o = prim_otp_pkg::WriteRaw;
==>
427 end
428 if (otp_gnt_i) begin
-22-
429 state_d = WriteWaitSt;
==>
430 end
MISSING_ELSE
==>
431 end else begin
432 // Clear working register state.
433 data_clr = 1'b1;
==>
434 state_d = IdleSt;
435 error_d = AccessError; // Signal this error, but do not go into terminal error state.
436 dai_cmd_done_o = 1'b1;
437 end
438 end
439 ///////////////////////////////////////////////////////////////////
440 // Wait for OTP response, and then go back to idle. In case an
441 // OTP transaction fails, latch the OTP error code, and jump to
442 // terminal error state.
443 WriteWaitSt: begin
444 dai_prog_idle_o = 1'b0;
445 // Continuously check write access and bail out if this is not consistent.
446 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-23-
447 // If this is a HW digest write to a buffered partition.
448 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
449 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
450 // If this is a non HW digest write to a buffered partition.
451 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
452 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
453 // If this is a write to an unbuffered partition
454 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
455
456 if (otp_rvalid_i) begin
-24-
457 // Check OTP return code. Note that non-blank errors are recoverable.
458 if ((!(otp_err inside {NoError, MacroWriteBlankError}))) begin
-25-
459 state_d = ErrorSt;
==>
460 error_d = otp_err;
461 end else begin
462 // Clear working register state.
463 data_clr = 1'b1;
464 state_d = IdleSt;
465 dai_cmd_done_o = 1'b1;
466 // Signal non-blank state, but do not go to terminal error state.
467 if (otp_err == MacroWriteBlankError) begin
-26-
468 error_d = otp_err;
==>
469 end
MISSING_ELSE
==>
470 end
471 end
MISSING_ELSE
==>
472 // At this point, this check MUST succeed - otherwise this means that
473 // there was a tampering attempt. Hence we go into a terminal error state
474 // when this check fails.
475 end else begin
476 state_d = ErrorSt;
==>
477 error_d = FsmStateError;
478 end
479 end
480 ///////////////////////////////////////////////////////////////////
481 // Scrambling state. This first acquires the scrambling
482 // datapath mutex. Note that once the mutex is acquired, we have
483 // exclusive access to the scrambling datapath until we release
484 // the mutex by deasserting scrmbl_mtx_req_o.
485 // SEC_CM: SECRET.MEM.SCRAMBLE
486 ScrSt: begin
487 scrmbl_mtx_req_o = 1'b1;
488 // Check write access and bail out if this is not consistent.
489 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-27-
490 // If this is a non HW digest write to a buffered partition.
491 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
492 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
493 otp_addr_o < digest_addr_lut[part_idx])) begin
494
495 scrmbl_valid_o = 1'b1;
496 scrmbl_cmd_o = Encrypt;
497 scrmbl_sel_o = PartInfo[part_idx].key_sel;
498 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-28-
499 state_d = ScrWaitSt;
==>
500 end
MISSING_ELSE
==>
501 end else begin
502 state_d = IdleSt;
==>
503 error_d = AccessError; // Signal this error, but do not go into terminal error state.
504 dai_cmd_done_o = 1'b1;
505 end
506 end
507 ///////////////////////////////////////////////////////////////////
508 // Wait for the scrambled data to return. Note that we release
509 // the mutex lock upon leaving this state.
510 // SEC_CM: SECRET.MEM.SCRAMBLE
511 ScrWaitSt: begin
512 scrmbl_mtx_req_o = 1'b1;
513 // Continously check write access and bail out if this is not consistent.
514 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-29-
515 // If this is a non HW digest write to a buffered partition.
516 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
517 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
518 otp_addr_o < digest_addr_lut[part_idx])) begin
519 data_sel = ScrmblData;
520 if (scrmbl_valid_i) begin
-30-
521 state_d = WriteSt;
==>
522 data_en = 1'b1;
523 end
MISSING_ELSE
==>
524 // At this point, this check MUST succeed - otherwise this means that
525 // there was a tampering attempt. Hence we go into a terminal error state
526 // when this check fails.
527 end else begin
528 state_d = ErrorSt;
==>
529 error_d = FsmStateError;
530 end
531 end
532 ///////////////////////////////////////////////////////////////////
533 // First, acquire the mutex for the digest and clear the digest state.
534 // SEC_CM: PART.MEM.DIGEST
535 DigClrSt: begin
536 scrmbl_mtx_req_o = 1'b1;
537 scrmbl_valid_o = 1'b1;
538 // Need to reset the digest state and set digest mode to "standard".
539 scrmbl_cmd_o = DigestInit;
540 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-31-
541 state_d = DigReadSt;
==>
542 end
MISSING_ELSE
==>
543 end
544 ///////////////////////////////////////////////////////////////////
545 // This requests a 64bit block to be pushed into the digest datapath.
546 // We also check here whether the partition has been write locked.
547 // SEC_CM: PART.MEM.DIGEST
548 DigReadSt: begin
549 scrmbl_mtx_req_o = 1'b1;
550 if (part_sel_valid &&
-32-
551 mubi8_test_false_strict(part_access_i[part_idx].read_lock) &&
552 mubi8_test_false_strict(part_access_i[part_idx].write_lock)) begin
553 otp_req_o = 1'b1;
554 // Depending on the partition configuration,
555 // the wrapper is instructed to ignore integrity errors.
556 if (PartInfo[part_idx].integrity) begin
-33-
557 otp_cmd_o = prim_otp_pkg::Read;
==>
558 end else begin
559 otp_cmd_o = prim_otp_pkg::ReadRaw;
==>
560 end
561 if (otp_gnt_i) begin
-34-
562 state_d = DigReadWaitSt;
==>
563 end
MISSING_ELSE
==>
564 end else begin
565 state_d = IdleSt;
==>
566 error_d = AccessError; // Signal this error, but do not go into terminal error state.
567 dai_cmd_done_o = 1'b1;
568 end
569 end
570 ///////////////////////////////////////////////////////////////////
571 // Wait for OTP response and write to readout register. Check
572 // whether descrambling is required or not. In case an OTP
573 // transaction fails, latch the OTP error code, and jump to
574 // terminal error state.
575 // SEC_CM: PART.MEM.DIGEST
576 DigReadWaitSt: begin
577 scrmbl_mtx_req_o = 1'b1;
578 if (otp_rvalid_i) begin
-35-
579 cnt_en = 1'b1;
580 // Check OTP return code.
581 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
-36-
582 state_d = ErrorSt;
==>
583 error_d = otp_err;
584 end else begin
585 data_en = 1'b1;
586 state_d = DigSt;
587 // Signal soft ECC errors, but do not go into terminal error state.
588 if (otp_err == MacroEccCorrError) begin
-37-
589 error_d = otp_err;
==>
590 end
MISSING_ELSE
==>
591 end
592 end
MISSING_ELSE
==>
593 end
594 ///////////////////////////////////////////////////////////////////
595 // Push the word read into the scrambling datapath. The last
596 // block is repeated in case the number blocks in this partition
597 // is odd.
598 // SEC_CM: PART.MEM.DIGEST
599 DigSt: begin
600 scrmbl_mtx_req_o = 1'b1;
601 scrmbl_valid_o = 1'b1;
602 // No need to digest the digest value itself
603 if (otp_addr_o == digest_addr_lut[part_idx]) begin
-38-
604 // Trigger digest round in case this is the second block in a row.
605 if (!cnt[0]) begin
-39-
606 scrmbl_cmd_o = Digest;
607 if (scrmbl_ready_i) begin
-40-
608 state_d = DigFinSt;
==>
609 end
MISSING_ELSE
==>
610 // Otherwise, just load low word and go to padding state.
611 end else if (scrmbl_ready_i) begin
-41-
612 state_d = DigPadSt;
==>
613 end
MISSING_ELSE
==>
614 end else begin
615 // Trigger digest round in case this is the second block in a row.
616 if (!cnt[0]) begin
-42-
617 scrmbl_cmd_o = Digest;
==>
618 end
MISSING_ELSE
==>
619 // Go back and fetch more data blocks.
620 if (scrmbl_ready_i) begin
-43-
621 state_d = DigReadSt;
==>
622 end
MISSING_ELSE
==>
623 end
624 end
625 ///////////////////////////////////////////////////////////////////
626 // Padding state, just repeat the last block and go to digest
627 // finalization.
628 // SEC_CM: PART.MEM.DIGEST
629 DigPadSt: begin
630 scrmbl_mtx_req_o = 1'b1;
631 scrmbl_valid_o = 1'b1;
632 scrmbl_cmd_o = Digest;
633 if (scrmbl_ready_i) begin
-44-
634 state_d = DigFinSt;
==>
635 end
MISSING_ELSE
==>
636 end
637 ///////////////////////////////////////////////////////////////////
638 // Trigger digest finalization and go wait for the result.
639 // SEC_CM: PART.MEM.DIGEST
640 DigFinSt: begin
641 scrmbl_mtx_req_o = 1'b1;
642 scrmbl_valid_o = 1'b1;
643 scrmbl_cmd_o = DigestFinalize;
644 if (scrmbl_ready_i) begin
-45-
645 state_d = DigWaitSt;
==>
646 end
MISSING_ELSE
==>
647 end
648 ///////////////////////////////////////////////////////////////////
649 // Wait for the digest to return, and write the result to OTP.
650 // Note that the write address will be correct in this state,
651 // since the counter has been stepped to the correct address as
652 // part of the readout sequence, and the correct size for this
653 // access has been loaded before.
654 // SEC_CM: PART.MEM.DIGEST
655 DigWaitSt: begin
656 scrmbl_mtx_req_o = 1'b1;
657 data_sel = ScrmblData;
658 if (scrmbl_valid_i) begin
-46-
659 state_d = WriteSt;
==>
660 data_en = 1'b1;
661 end
MISSING_ELSE
==>
662 end
663 ///////////////////////////////////////////////////////////////////
664 // Terminal Error State. This locks access to the DAI. Make sure
665 // an FsmStateError error code is assigned here, in case no error code has
666 // been assigned yet.
667 ErrorSt: begin
668 if (error_q == NoError) begin
-47-
669 error_d = FsmStateError;
==>
670 end
MISSING_ELSE
==>
671 end
672 ///////////////////////////////////////////////////////////////////
673 // We should never get here. If we do (e.g. via a malicious
674 // glitch), error out immediately.
675 default: begin
676 state_d = ErrorSt;
==>
Branches:
| -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- | Status | Tests |
| ResetSt |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ResetSt |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| ResetSt |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| InitOtpSt |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| InitOtpSt |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| InitOtpSt |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| InitPartSt |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| InitPartSt |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiRead |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiWrite |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiWrite |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiDigest |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| IdleSt |
- |
- |
- |
- |
- |
1 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| IdleSt |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T6,T5 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T121,T125 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T91,T25,T121 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DescrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| DescrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T139 |
| DescrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| DescrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T4,T6 |
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T91,T25,T26 |
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T201 |
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T6,T5 |
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DigClrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigClrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T139 |
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T5,T15 |
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T5 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
0 |
- |
- |
- |
- |
- |
- |
Covered |
T1 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
| DigPadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
Covered |
T1,T3,T5 |
| DigPadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
Not Covered |
|
| DigFinSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T1,T3,T4 |
| DigFinSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
Covered |
T1,T3,T4 |
| DigWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
Covered |
T1,T3,T4 |
| DigWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
Covered |
T1,T3,T4 |
| ErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T19,T20,T21 |
| ErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T2,T4,T6 |
| default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T19,T20,T21 |
684 if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i) || cnt_err) begin
-1-
685 state_d = ErrorSt;
686 fsm_err_o = 1'b1;
687 if (state_q != ErrorSt) begin
-2-
688 error_d = FsmStateError;
==>
689 end
MISSING_ELSE
==>
690 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | Status | Tests |
| 1 |
1 |
Covered |
T2,T4,T6 |
| 1 |
0 |
Covered |
T2,T4,T6 |
| 0 |
- |
Covered |
T1,T2,T3 |
757 if (PartInfo[part_idx].secret) begin
-1-
758 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
759 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
760 // 64bit transaction if computing a digest.
761 end else if (PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset)) begin
-2-
762 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
763 addr_base = PartInfo[part_idx].offset;
764 // 64bit transaction if the DAI address points to the partition's digest offset.
765 end else if ((PartInfo[part_idx].hw_digest || PartInfo[part_idx].sw_digest) &&
-3-
766 (base_sel_q == DaiOffset) &&
767 ({dai_addr_i[OtpByteAddrWidth-1:3], 2'b0} == digest_addr_lut[part_idx])) begin
768 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
769 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
770 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | -3- | Status | Tests |
| 1 |
- |
- |
Covered |
T2,T3,T4 |
| 0 |
1 |
- |
Covered |
T1,T3,T4 |
| 0 |
0 |
1 |
Covered |
T4,T6,T22 |
| 0 |
0 |
0 |
Covered |
T1,T2,T3 |
803 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt)
-1-
==>
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
806 if (!rst_ni) begin
-1-
807 error_q <= NoError;
==>
808 data_q <= '0;
809 base_sel_q <= DaiOffset;
810 end else begin
811 error_q <= error_d;
812 base_sel_q <= base_sel_d;
813
814 // Working register
815 if (data_clr) begin
-2-
816 data_q <= '0;
==>
817 end else if (data_en) begin
-3-
818 if (data_sel == ScrmblData) begin
-4-
819 data_q <= scrmbl_data_i;
==>
820 end else if (data_sel == DaiData) begin
-5-
821 data_q <= dai_wdata_i;
==>
822 end else begin
823 data_q <= otp_rdata_i;
==>
824 end
825 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | -3- | -4- | -5- | Status | Tests |
| 1 |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| 0 |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
1 |
- |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
0 |
1 |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
0 |
0 |
Covered |
T1,T2,T3 |
| 0 |
0 |
0 |
- |
- |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
otp_ctrl_dai
Assertion Details
CheckNativeOtpWidth0_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
CheckNativeOtpWidth1_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
DaiIdleKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
DaiRdataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ErrorKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
InitDoneKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpAddrKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpCmdKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpErrorState_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
341 |
0 |
0 |
| T8 |
4778 |
0 |
0 |
0 |
| T25 |
22495 |
1 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T85 |
40690 |
0 |
0 |
0 |
| T91 |
28666 |
1 |
0 |
0 |
| T92 |
33603 |
0 |
0 |
0 |
| T114 |
23277 |
0 |
0 |
0 |
| T119 |
8756 |
0 |
0 |
0 |
| T120 |
30512 |
0 |
0 |
0 |
| T121 |
89304 |
4 |
0 |
0 |
| T125 |
19001 |
1 |
0 |
0 |
| T153 |
0 |
7 |
0 |
0 |
| T154 |
0 |
4 |
0 |
0 |
| T252 |
0 |
1 |
0 |
0 |
| T253 |
0 |
2 |
0 |
0 |
OtpReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpSizeKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpWdataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
PartInitReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
PartSelMustBeOnehot_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblBlockWidthGe8_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblCmdKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblDataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblModeKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblMtxReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblSelKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
gen_part_sel[0].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[10].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[1].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[2].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[3].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[4].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[5].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[6].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[7].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[8].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[9].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
u_state_regs_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_otp_ctrl_dai
| Line No. | Total | Covered | Percent |
|---|
| TOTAL | | 247 | 233 | 94.33 |
| ALWAYS | 169 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 177 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 179 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
| ALWAYS | 187 | 199 | 185 | 92.96 |
| CONT_ASSIGN | 718 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 721 | 1 | 1 | 100.00 |
| ALWAYS | 753 | 11 | 11 | 100.00 |
| CONT_ASSIGN | 796 | 1 | 1 | 100.00 |
| CONT_ASSIGN | 797 | 1 | 1 | 100.00 |
| ALWAYS | 803 | 3 | 3 | 100.00 |
| ALWAYS | 806 | 14 | 14 | 100.00 |
168 always_comb begin
169 1/1 otp_err = otp_err_e'(otp_err_i);
Tests: T1 T2 T3
170 1/1 if (!PartInfo[part_idx].integrity &&
Tests: T1 T2 T3
171 otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
172 1/1 otp_err = NoError;
Tests: T2 T23 T128
173 end
MISSING_ELSE
174 end
175
176 // Output partition error state.
177 1/1 assign error_o = error_q;
Tests: T1 T2 T3
178 // Working register is connected to data outputs.
179 1/1 assign otp_wdata_o = data_q;
Tests: T1 T2 T3
180 1/1 assign scrmbl_data_o = data_q;
Tests: T1 T2 T3
181 // Only expose this working register in IdleSt.
182 // The FSM below makes sure to clear this register
183 // after digest and write ops.
184 1/1 assign dai_rdata_o = (state_q == IdleSt) ? data_q : '0;
Tests: T1 T2 T3
185
186 always_comb begin : p_fsm
187 1/1 state_d = state_q;
Tests: T1 T2 T3
188
189 // Init signals
190 1/1 init_done_o = 1'b1;
Tests: T1 T2 T3
191 1/1 part_init_req_o = 1'b0;
Tests: T1 T2 T3
192
193 // DAI signals
194 1/1 dai_idle_o = 1'b0;
Tests: T1 T2 T3
195 1/1 dai_prog_idle_o = 1'b1;
Tests: T1 T2 T3
196 1/1 dai_cmd_done_o = 1'b0;
Tests: T1 T2 T3
197
198 // OTP signals
199 1/1 otp_req_o = 1'b0;
Tests: T1 T2 T3
200 1/1 otp_cmd_o = prim_otp_pkg::Init;
Tests: T1 T2 T3
201
202 // Scrambling mutex
203 1/1 scrmbl_mtx_req_o = 1'b0;
Tests: T1 T2 T3
204
205 // Scrambling datapath
206 1/1 scrmbl_cmd_o = LoadShadow;
Tests: T1 T2 T3
207 1/1 scrmbl_sel_o = CnstyDigest;
Tests: T1 T2 T3
208 1/1 scrmbl_mode_o = StandardMode;
Tests: T1 T2 T3
209 1/1 scrmbl_valid_o = 1'b0;
Tests: T1 T2 T3
210
211 // Counter
212 1/1 cnt_en = 1'b0;
Tests: T1 T2 T3
213 1/1 cnt_clr = 1'b0;
Tests: T1 T2 T3
214 1/1 base_sel_d = base_sel_q;
Tests: T1 T2 T3
215
216 // Temporary data register
217 1/1 data_en = 1'b0;
Tests: T1 T2 T3
218 1/1 data_clr = 1'b0;
Tests: T1 T2 T3
219 1/1 data_sel = OtpData;
Tests: T1 T2 T3
220
221 // Error Register
222 1/1 error_d = error_q;
Tests: T1 T2 T3
223 1/1 fsm_err_o = 1'b0;
Tests: T1 T2 T3
224
225 1/1 unique case (state_q)
Tests: T1 T2 T3
226 ///////////////////////////////////////////////////////////////////
227 // We get here after reset and wait until the power manager
228 // requests OTP initialization. If initialization is requested,
229 // an init command is written to the OTP macro, and we move on
230 // to the InitOtpSt waiting state.
231 ResetSt: begin
232 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
233 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
234 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
235 1/1 if (init_req_i) begin
Tests: T1 T2 T3
236 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
237 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
238 1/1 state_d = InitOtpSt;
Tests: T1 T2 T3
239 end
==> MISSING_ELSE
240 end
MISSING_ELSE
241 end
242 ///////////////////////////////////////////////////////////////////
243 // We wait here unitl the OTP macro has initialized without
244 // error. If an error occurred during this stage, we latch that
245 // error and move into a terminal error state.
246 InitOtpSt: begin
247 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
248 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
249 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
250 1/1 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
Tests: T1 T2 T3
251 0/1 ==> state_d = ErrorSt;
252 0/1 ==> error_d = otp_err;
253 end else begin
254 1/1 state_d = InitPartSt;
Tests: T1 T2 T3
255 end
256 end
MISSING_ELSE
257 end
258 ///////////////////////////////////////////////////////////////////
259 // Since the OTP macro is now functional, we can send out an
260 // initialization request to all partitions and wait until they
261 // all have initialized.
262 InitPartSt: begin
263 1/1 init_done_o = 1'b0;
Tests: T1 T2 T3
264 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
265 1/1 part_init_req_o = 1'b1;
Tests: T1 T2 T3
266 1/1 if (part_init_done_i == {NumPart{1'b1}}) begin
Tests: T1 T2 T3
267 1/1 state_d = IdleSt;
Tests: T1 T2 T3
268 end
MISSING_ELSE
269 end
270 ///////////////////////////////////////////////////////////////////
271 // Idle state where we wait for incoming commands.
272 // Invalid commands trigger a CmdInvErr, which is recoverable.
273 IdleSt: begin
274 1/1 dai_idle_o = 1'b1;
Tests: T1 T2 T3
275 1/1 if (dai_req_i) begin
Tests: T1 T2 T3
276 // This clears previous (recoverable) and reset the counter.
277 1/1 error_d = NoError;
Tests: T1 T2 T3
278 1/1 cnt_clr = 1'b1;
Tests: T1 T2 T3
279 1/1 unique case (dai_cmd_i)
Tests: T1 T2 T3
280 DaiRead: begin
281 1/1 state_d = ReadSt;
Tests: T1 T2 T3
282 // Clear the temporary data register.
283 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
284 1/1 base_sel_d = DaiOffset;
Tests: T1 T2 T3
285 end
286 DaiWrite: begin
287 1/1 data_sel = DaiData;
Tests: T1 T2 T3
288 // Fetch data block.
289 1/1 data_en = 1'b1;
Tests: T1 T2 T3
290 1/1 base_sel_d = DaiOffset;
Tests: T1 T2 T3
291 // If this partition is scrambled, directly go to write scrambling first.
292 1/1 if (PartInfo[part_idx].secret) begin
Tests: T1 T2 T3
293 1/1 state_d = ScrSt;
Tests: T2 T3 T4
294 end else begin
295 1/1 state_d = WriteSt;
Tests: T1 T2 T3
296 end
297 end
298 DaiDigest: begin
299 1/1 state_d = DigClrSt;
Tests: T1 T3 T4
300 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
301 1/1 base_sel_d = PartOffset;
Tests: T1 T3 T4
302 end
303 default: ; // Ignore invalid commands
304 endcase // dai_cmd_i
305 end // dai_req_i
MISSING_ELSE
306 end
307 ///////////////////////////////////////////////////////////////////
308 // Each time we request a block of data from OTP, we re-check
309 // whether read access has been locked for this partition. If
310 // that is the case, we immediately bail out. Otherwise, we
311 // request a block of data from OTP.
312 ReadSt: begin
313 1/1 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
Tests: T1 T2 T3
314 // HW digests always remain readable.
315 PartInfo[part_idx].hw_digest && otp_addr_o ==
316 digest_addr_lut[part_idx])) begin
317 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
318 // Depending on the partition configuration,
319 // the wrapper is instructed to ignore integrity errors.
320 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T2 T3
321 1/1 otp_cmd_o = prim_otp_pkg::Read;
Tests: T1 T2 T3
322 end else begin
323 1/1 otp_cmd_o = prim_otp_pkg::ReadRaw;
Tests: T2 T3 T6
324 end
325 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
326 1/1 state_d = ReadWaitSt;
Tests: T1 T2 T3
327 end
MISSING_ELSE
328 end else begin
329 1/1 state_d = IdleSt;
Tests: T4 T6 T5
330 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T6 T5
331 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T6 T5
332 end
333 end
334 ///////////////////////////////////////////////////////////////////
335 // Wait for OTP response and write to readout register. Check
336 // whether descrambling is required or not. In case an OTP
337 // transaction fails, latch the OTP error code, and jump to
338 // terminal error state.
339 ReadWaitSt: begin
340 // Continuously check read access and bail out if this is not consistent.
341 1/1 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
Tests: T1 T2 T3
342 // HW digests always remain readable.
343 PartInfo[part_idx].hw_digest && otp_addr_o ==
344 digest_addr_lut[part_idx])) begin
345 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
346 // Check OTP return code.
347 1/1 if (otp_err inside {NoError, MacroEccCorrError}) begin
Tests: T1 T2 T3
348 1/1 data_en = 1'b1;
Tests: T1 T2 T3
349 // We do not need to descramble the digest values.
350 1/1 if (PartInfo[part_idx].secret && otp_addr_o != digest_addr_lut[part_idx]) begin
Tests: T1 T2 T3
351 1/1 state_d = DescrSt;
Tests: T2 T3 T4
352 end else begin
353 1/1 state_d = IdleSt;
Tests: T1 T2 T3
354 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T2 T3
355 end
356 // At this point the only error that we could have gotten are correctable ECC errors.
357 1/1 if (otp_err != NoError) begin
Tests: T1 T2 T3
358 1/1 error_d = MacroEccCorrError;
Tests: T4 T121 T125
359 end
MISSING_ELSE
360 end else begin
361 1/1 state_d = ErrorSt;
Tests: T91 T25 T121
362 1/1 error_d = otp_err;
Tests: T91 T25 T121
363 end
364 end
MISSING_ELSE
365 // At this point, this check MUST succeed - otherwise this means that
366 // there was a tampering attempt. Hence we go into a terminal error state
367 // when this check fails.
368 end else begin
369 0/1 ==> state_d = ErrorSt;
370 0/1 ==> error_d = FsmStateError;
371 end
372 end
373 ///////////////////////////////////////////////////////////////////
374 // Descrambling state. This first acquires the scrambling
375 // datapath mutex. Note that once the mutex is acquired, we have
376 // exclusive access to the scrambling datapath until we release
377 // the mutex by deasserting scrmbl_mtx_req_o.
378 // SEC_CM: SECRET.MEM.SCRAMBLE
379 DescrSt: begin
380 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
381 1/1 scrmbl_valid_o = 1'b1;
Tests: T2 T3 T4
382 1/1 scrmbl_cmd_o = Decrypt;
Tests: T2 T3 T4
383 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T4
384 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T2 T3 T4
385 1/1 state_d = DescrWaitSt;
Tests: T2 T3 T4
386 end
MISSING_ELSE
387 end
388 ///////////////////////////////////////////////////////////////////
389 // Wait for the descrambled data to return. Note that we release
390 // the mutex lock upon leaving this state.
391 // SEC_CM: SECRET.MEM.SCRAMBLE
392 DescrWaitSt: begin
393 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
394 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T4
395 1/1 data_sel = ScrmblData;
Tests: T2 T3 T4
396 1/1 if (scrmbl_valid_i) begin
Tests: T2 T3 T4
397 1/1 state_d = IdleSt;
Tests: T2 T3 T4
398 1/1 data_en = 1'b1;
Tests: T2 T3 T4
399 1/1 dai_cmd_done_o = 1'b1;
Tests: T2 T3 T4
400 end
MISSING_ELSE
401 end
402 ///////////////////////////////////////////////////////////////////
403 // First, check whether write accesses are allowed to this
404 // partition, and error out otherwise. Note that for buffered
405 // partitions, we do not allow DAI writes to the digest offset.
406 // Unbuffered partitions have SW managed digests, hence that
407 // check is not needed in that case. The LC partition is
408 // permanently write locked and can hence not be written via the DAI.
409 WriteSt: begin
410 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
411 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T1 T2 T3
412 // If this is a HW digest write to a buffered partition.
413 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
414 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
415 // If this is a non HW digest write to a buffered partition.
416 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
417 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
418 // If this is a write to an unbuffered partition
419 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
420 1/1 otp_req_o = 1'b1;
Tests: T1 T2 T3
421 // Depending on the partition configuration,
422 // the wrapper is instructed to ignore integrity errors.
423 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T2 T3
424 1/1 otp_cmd_o = prim_otp_pkg::Write;
Tests: T1 T2 T3
425 end else begin
426 1/1 otp_cmd_o = prim_otp_pkg::WriteRaw;
Tests: T2 T3 T4
427 end
428 1/1 if (otp_gnt_i) begin
Tests: T1 T2 T3
429 1/1 state_d = WriteWaitSt;
Tests: T1 T2 T3
430 end
MISSING_ELSE
431 end else begin
432 // Clear working register state.
433 1/1 data_clr = 1'b1;
Tests: T1 T4 T6
434 1/1 state_d = IdleSt;
Tests: T1 T4 T6
435 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T1 T4 T6
436 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T4 T6
437 end
438 end
439 ///////////////////////////////////////////////////////////////////
440 // Wait for OTP response, and then go back to idle. In case an
441 // OTP transaction fails, latch the OTP error code, and jump to
442 // terminal error state.
443 WriteWaitSt: begin
444 1/1 dai_prog_idle_o = 1'b0;
Tests: T1 T2 T3
445 // Continuously check write access and bail out if this is not consistent.
446 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T1 T2 T3
447 // If this is a HW digest write to a buffered partition.
448 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
449 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
450 // If this is a non HW digest write to a buffered partition.
451 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
452 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
453 // If this is a write to an unbuffered partition
454 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
455
456 1/1 if (otp_rvalid_i) begin
Tests: T1 T2 T3
457 // Check OTP return code. Note that non-blank errors are recoverable.
458 1/1 if ((!(otp_err inside {NoError, MacroWriteBlankError}))) begin
Tests: T1 T2 T3
459 0/1 ==> state_d = ErrorSt;
460 0/1 ==> error_d = otp_err;
461 end else begin
462 // Clear working register state.
463 1/1 data_clr = 1'b1;
Tests: T1 T2 T3
464 1/1 state_d = IdleSt;
Tests: T1 T2 T3
465 1/1 dai_cmd_done_o = 1'b1;
Tests: T1 T2 T3
466 // Signal non-blank state, but do not go to terminal error state.
467 1/1 if (otp_err == MacroWriteBlankError) begin
Tests: T1 T2 T3
468 1/1 error_d = otp_err;
Tests: T91 T25 T26
469 end
MISSING_ELSE
470 end
471 end
MISSING_ELSE
472 // At this point, this check MUST succeed - otherwise this means that
473 // there was a tampering attempt. Hence we go into a terminal error state
474 // when this check fails.
475 end else begin
476 0/1 ==> state_d = ErrorSt;
477 0/1 ==> error_d = FsmStateError;
478 end
479 end
480 ///////////////////////////////////////////////////////////////////
481 // Scrambling state. This first acquires the scrambling
482 // datapath mutex. Note that once the mutex is acquired, we have
483 // exclusive access to the scrambling datapath until we release
484 // the mutex by deasserting scrmbl_mtx_req_o.
485 // SEC_CM: SECRET.MEM.SCRAMBLE
486 ScrSt: begin
487 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T4
488 // Check write access and bail out if this is not consistent.
489 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T2 T3 T4
490 // If this is a non HW digest write to a buffered partition.
491 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
492 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
493 otp_addr_o < digest_addr_lut[part_idx])) begin
494
495 1/1 scrmbl_valid_o = 1'b1;
Tests: T2 T3 T6
496 1/1 scrmbl_cmd_o = Encrypt;
Tests: T2 T3 T6
497 1/1 scrmbl_sel_o = PartInfo[part_idx].key_sel;
Tests: T2 T3 T6
498 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T2 T3 T6
499 1/1 state_d = ScrWaitSt;
Tests: T2 T3 T6
500 end
MISSING_ELSE
501 end else begin
502 1/1 state_d = IdleSt;
Tests: T4 T6 T5
503 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T6 T5
504 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T6 T5
505 end
506 end
507 ///////////////////////////////////////////////////////////////////
508 // Wait for the scrambled data to return. Note that we release
509 // the mutex lock upon leaving this state.
510 // SEC_CM: SECRET.MEM.SCRAMBLE
511 ScrWaitSt: begin
512 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T2 T3 T6
513 // Continously check write access and bail out if this is not consistent.
514 1/1 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
Tests: T2 T3 T6
515 // If this is a non HW digest write to a buffered partition.
516 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
517 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
518 otp_addr_o < digest_addr_lut[part_idx])) begin
519 1/1 data_sel = ScrmblData;
Tests: T2 T3 T6
520 1/1 if (scrmbl_valid_i) begin
Tests: T2 T3 T6
521 1/1 state_d = WriteSt;
Tests: T2 T3 T6
522 1/1 data_en = 1'b1;
Tests: T2 T3 T6
523 end
MISSING_ELSE
524 // At this point, this check MUST succeed - otherwise this means that
525 // there was a tampering attempt. Hence we go into a terminal error state
526 // when this check fails.
527 end else begin
528 0/1 ==> state_d = ErrorSt;
529 0/1 ==> error_d = FsmStateError;
530 end
531 end
532 ///////////////////////////////////////////////////////////////////
533 // First, acquire the mutex for the digest and clear the digest state.
534 // SEC_CM: PART.MEM.DIGEST
535 DigClrSt: begin
536 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
537 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
538 // Need to reset the digest state and set digest mode to "standard".
539 1/1 scrmbl_cmd_o = DigestInit;
Tests: T1 T3 T4
540 1/1 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
Tests: T1 T3 T4
541 1/1 state_d = DigReadSt;
Tests: T1 T3 T4
542 end
MISSING_ELSE
543 end
544 ///////////////////////////////////////////////////////////////////
545 // This requests a 64bit block to be pushed into the digest datapath.
546 // We also check here whether the partition has been write locked.
547 // SEC_CM: PART.MEM.DIGEST
548 DigReadSt: begin
549 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
550 1/1 if (part_sel_valid &&
Tests: T1 T3 T4
551 mubi8_test_false_strict(part_access_i[part_idx].read_lock) &&
552 mubi8_test_false_strict(part_access_i[part_idx].write_lock)) begin
553 1/1 otp_req_o = 1'b1;
Tests: T1 T3 T4
554 // Depending on the partition configuration,
555 // the wrapper is instructed to ignore integrity errors.
556 1/1 if (PartInfo[part_idx].integrity) begin
Tests: T1 T3 T4
557 1/1 otp_cmd_o = prim_otp_pkg::Read;
Tests: T1 T3 T4
558 end else begin
559 0/1 ==> otp_cmd_o = prim_otp_pkg::ReadRaw;
560 end
561 1/1 if (otp_gnt_i) begin
Tests: T1 T3 T4
562 1/1 state_d = DigReadWaitSt;
Tests: T1 T3 T4
563 end
MISSING_ELSE
564 end else begin
565 1/1 state_d = IdleSt;
Tests: T4 T5 T15
566 1/1 error_d = AccessError; // Signal this error, but do not go into terminal error state.
Tests: T4 T5 T15
567 1/1 dai_cmd_done_o = 1'b1;
Tests: T4 T5 T15
568 end
569 end
570 ///////////////////////////////////////////////////////////////////
571 // Wait for OTP response and write to readout register. Check
572 // whether descrambling is required or not. In case an OTP
573 // transaction fails, latch the OTP error code, and jump to
574 // terminal error state.
575 // SEC_CM: PART.MEM.DIGEST
576 DigReadWaitSt: begin
577 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
578 1/1 if (otp_rvalid_i) begin
Tests: T1 T3 T4
579 1/1 cnt_en = 1'b1;
Tests: T1 T3 T4
580 // Check OTP return code.
581 1/1 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
Tests: T1 T3 T4
582 0/1 ==> state_d = ErrorSt;
583 0/1 ==> error_d = otp_err;
584 end else begin
585 1/1 data_en = 1'b1;
Tests: T1 T3 T4
586 1/1 state_d = DigSt;
Tests: T1 T3 T4
587 // Signal soft ECC errors, but do not go into terminal error state.
588 1/1 if (otp_err == MacroEccCorrError) begin
Tests: T1 T3 T4
589 0/1 ==> error_d = otp_err;
590 end
MISSING_ELSE
591 end
592 end
MISSING_ELSE
593 end
594 ///////////////////////////////////////////////////////////////////
595 // Push the word read into the scrambling datapath. The last
596 // block is repeated in case the number blocks in this partition
597 // is odd.
598 // SEC_CM: PART.MEM.DIGEST
599 DigSt: begin
600 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
601 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
602 // No need to digest the digest value itself
603 1/1 if (otp_addr_o == digest_addr_lut[part_idx]) begin
Tests: T1 T3 T4
604 // Trigger digest round in case this is the second block in a row.
605 1/1 if (!cnt[0]) begin
Tests: T1 T3 T4
606 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T4
607 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
608 1/1 state_d = DigFinSt;
Tests: T1 T3 T4
609 end
==> MISSING_ELSE
610 // Otherwise, just load low word and go to padding state.
611 1/1 end else if (scrmbl_ready_i) begin
Tests: T1 T3 T5
612 1/1 state_d = DigPadSt;
Tests: T1 T3 T5
613 end
MISSING_ELSE
614 end else begin
615 // Trigger digest round in case this is the second block in a row.
616 1/1 if (!cnt[0]) begin
Tests: T1 T3 T4
617 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T4
618 end
MISSING_ELSE
619 // Go back and fetch more data blocks.
620 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
621 1/1 state_d = DigReadSt;
Tests: T1 T3 T4
622 end
MISSING_ELSE
623 end
624 end
625 ///////////////////////////////////////////////////////////////////
626 // Padding state, just repeat the last block and go to digest
627 // finalization.
628 // SEC_CM: PART.MEM.DIGEST
629 DigPadSt: begin
630 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T5
631 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T5
632 1/1 scrmbl_cmd_o = Digest;
Tests: T1 T3 T5
633 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T5
634 1/1 state_d = DigFinSt;
Tests: T1 T3 T5
635 end
==> MISSING_ELSE
636 end
637 ///////////////////////////////////////////////////////////////////
638 // Trigger digest finalization and go wait for the result.
639 // SEC_CM: PART.MEM.DIGEST
640 DigFinSt: begin
641 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
642 1/1 scrmbl_valid_o = 1'b1;
Tests: T1 T3 T4
643 1/1 scrmbl_cmd_o = DigestFinalize;
Tests: T1 T3 T4
644 1/1 if (scrmbl_ready_i) begin
Tests: T1 T3 T4
645 1/1 state_d = DigWaitSt;
Tests: T1 T3 T4
646 end
MISSING_ELSE
647 end
648 ///////////////////////////////////////////////////////////////////
649 // Wait for the digest to return, and write the result to OTP.
650 // Note that the write address will be correct in this state,
651 // since the counter has been stepped to the correct address as
652 // part of the readout sequence, and the correct size for this
653 // access has been loaded before.
654 // SEC_CM: PART.MEM.DIGEST
655 DigWaitSt: begin
656 1/1 scrmbl_mtx_req_o = 1'b1;
Tests: T1 T3 T4
657 1/1 data_sel = ScrmblData;
Tests: T1 T3 T4
658 1/1 if (scrmbl_valid_i) begin
Tests: T1 T3 T4
659 1/1 state_d = WriteSt;
Tests: T1 T3 T4
660 1/1 data_en = 1'b1;
Tests: T1 T3 T4
661 end
MISSING_ELSE
662 end
663 ///////////////////////////////////////////////////////////////////
664 // Terminal Error State. This locks access to the DAI. Make sure
665 // an FsmStateError error code is assigned here, in case no error code has
666 // been assigned yet.
667 ErrorSt: begin
668 1/1 if (error_q == NoError) begin
Tests: T2 T4 T6
669 1/1 error_d = FsmStateError;
Tests: T19 T20 T21
670 end
MISSING_ELSE
671 end
672 ///////////////////////////////////////////////////////////////////
673 // We should never get here. If we do (e.g. via a malicious
674 // glitch), error out immediately.
675 default: begin
676 state_d = ErrorSt;
677 fsm_err_o = 1'b1;
678 end
679 ///////////////////////////////////////////////////////////////////
680 endcase // state_q
681
682 // Unconditionally jump into the terminal error state in case of escalation.
683 // SEC_CM: DAI.FSM.LOCAL_ESC, DAI.FSM.GLOBAL_ESC
684 1/1 if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i) || cnt_err) begin
Tests: T1 T2 T3
685 1/1 state_d = ErrorSt;
Tests: T2 T4 T6
686 1/1 fsm_err_o = 1'b1;
Tests: T2 T4 T6
687 1/1 if (state_q != ErrorSt) begin
Tests: T2 T4 T6
688 1/1 error_d = FsmStateError;
Tests: T2 T4 T6
689 end
MISSING_ELSE
690 end
MISSING_ELSE
691 end
692
693 ////////////////////////////
694 // Partition Select Logic //
695 ////////////////////////////
696
697 // This checks which partition the address belongs to by comparing
698 // the incoming address to the partition address ranges. The onehot
699 // bitvector generated by the parallel comparisons is fed into a
700 // binary tree that determines the partition index with O(log(N)) delay.
701
702 logic [NumPart-1:0] part_sel_oh;
703 for (genvar k = 0; k < NumPart; k++) begin : gen_part_sel
704 localparam int unsigned PartEndInt = 32'(PartInfo[k].offset) + 32'(PartInfo[k].size);
705 localparam int unsigned DigestOffsetInt = PartEndInt - ScrmblBlockWidth / 8;
706 localparam int unsigned DigestAddrLutInt = DigestOffsetInt >> OtpAddrShift;
707
708 // PartEnd has an extra bit to cope with the case where offset + size overflows. However, we
709 // arrange the address map to make sure that PartEndInt is at most 1 << OtpByteAddrWidth. Check
710 // that here.
711 `ASSERT_INIT(PartEndMax_A, PartEndInt <= (1 << OtpByteAddrWidth))
712
713 // The shift right by OtpAddrShift drops exactly the bottom bits that are needed to convert
714 // between OtpAddrWidth and OtpByteAddrWidth, so we know that we can slice safely here.
715 localparam bit [OtpAddrWidth-1:0] DigestAddrLut = DigestAddrLutInt[OtpAddrWidth-1:0];
716
717 if (PartInfo[k].offset == 0) begin : gen_zero_offset
718 1/1 assign part_sel_oh[k] = ({1'b0, dai_addr_i} < PartEndInt[OtpByteAddrWidth:0]);
Tests: T1 T2 T3
719
720 end else begin : gen_nonzero_offset
721 10/10 assign part_sel_oh[k] = (dai_addr_i >= PartInfo[k].offset) &
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3 | T1 T2 T3
722 ({1'b0, dai_addr_i} < PartEndInt[OtpByteAddrWidth:0]);
723 end
724 assign digest_addr_lut[k] = DigestAddrLut;
725 end
726
727 `ASSERT(ScrmblBlockWidthGe8_A, ScrmblBlockWidth >= 8)
728 `ASSERT(PartSelMustBeOnehot_A, $onehot0(part_sel_oh))
729
730 prim_arbiter_fixed #(
731 .N(NumPart),
732 .EnDataPort(0)
733 ) u_part_sel_idx (
734 .clk_i,
735 .rst_ni,
736 .req_i ( part_sel_oh ),
737 .data_i ( '{default: '0} ),
738 .gnt_o ( ), // unused
739 .idx_o ( part_idx ),
740 .valid_o ( part_sel_valid ), // used for detecting OOB addresses
741 .data_o ( ), // unused
742 .ready_i ( 1'b0 )
743 );
744
745 /////////////////////////////////////
746 // Address Calculations for Digest //
747 /////////////////////////////////////
748
749 // Depending on whether this is a 32bit or 64bit partition, we cut off the lower address bits.
750 // Access sizes are either 64bit or 32bit, depending on what region the access goes to.
751 logic [OtpByteAddrWidth-1:0] addr_base;
752 always_comb begin : p_size_sel
753 1/1 otp_size_o = OtpSizeWidth'(unsigned'(32 / OtpWidth - 1));
Tests: T1 T2 T3
754 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:2], 2'h0};
Tests: T1 T2 T3
755
756 // 64bit transaction for scrambled partitions.
757 1/1 if (PartInfo[part_idx].secret) begin
Tests: T1 T2 T3
758 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T2 T3 T4
759 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
Tests: T2 T3 T4
760 // 64bit transaction if computing a digest.
761 1/1 end else if (PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset)) begin
Tests: T1 T2 T3
762 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T1 T3 T4
763 1/1 addr_base = PartInfo[part_idx].offset;
Tests: T1 T3 T4
764 // 64bit transaction if the DAI address points to the partition's digest offset.
765 1/1 end else if ((PartInfo[part_idx].hw_digest || PartInfo[part_idx].sw_digest) &&
Tests: T1 T2 T3
766 (base_sel_q == DaiOffset) &&
767 ({dai_addr_i[OtpByteAddrWidth-1:3], 2'b0} == digest_addr_lut[part_idx])) begin
768 1/1 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
Tests: T4 T6 T22
769 1/1 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
Tests: T4 T6 T22
770 end
MISSING_ELSE
771 end
772
773 // Address counter - this is only used for computing a digest, hence the increment is
774 // fixed to 8 byte.
775 // SEC_CM: DAI.CTR.REDUN
776 prim_count #(
777 .Width(CntWidth)
778 ) u_prim_count (
779 .clk_i,
780 .rst_ni,
781 .clr_i(cnt_clr),
782 .set_i(1'b0),
783 .set_cnt_i('0),
784 .incr_en_i(cnt_en),
785 .decr_en_i(1'b0),
786 .step_i(CntWidth'(1)),
787 .commit_i(1'b1),
788 .cnt_o(cnt),
789 .cnt_after_commit_o(),
790 .err_o(cnt_err)
791 );
792
793 // Note that OTP works on halfword (16bit) addresses, hence need to
794 // shift the addresses appropriately.
795 logic [OtpByteAddrWidth-1:0] addr_calc;
796 1/1 assign addr_calc = {cnt, {$clog2(ScrmblBlockWidth/8){1'b0}}} + addr_base;
Tests: T1 T2 T3
797 1/1 assign otp_addr_o = OtpAddrWidth'(addr_calc >> OtpAddrShift);
Tests: T1 T2 T3
798
799 ///////////////
800 // Registers //
801 ///////////////
802
803 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt)
Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt):
803.1 `ifdef SIMULATION
803.2 prim_sparse_fsm_flop #(
803.3 .StateEnumT(state_e),
803.4 .Width($bits(state_e)),
803.5 .ResetValue($bits(state_e)'(ResetSt)),
803.6 .EnableAlertTriggerSVA(1),
803.7 .CustomForceName("state_q")
803.8 ) u_state_regs (
803.9 .clk_i ( clk_i ),
803.10 .rst_ni ( rst_ni ),
803.11 .state_i ( state_d ),
803.12 .state_o ( )
803.13 );
803.14 always_ff @(posedge clk_i or negedge rst_ni) begin
803.15 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
803.16 1/1 state_q <= ResetSt;
Tests: T1 T2 T3
803.17 end else begin
803.18 1/1 state_q <= state_d;
Tests: T1 T2 T3
803.19 end
803.20 end
803.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))
803.22 else begin
803.23 `ifdef UVM
803.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE,
803.25 "../src/lowrisc_ip_otp_ctrl_1.0/rtl/otp_ctrl_dai.sv", 803, "", 1);
803.26 `else
803.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,
803.28 `PRIM_STRINGIFY(u_state_regs_A));
803.29 `endif
803.30 end
803.31 `else
803.32 prim_sparse_fsm_flop #(
803.33 .StateEnumT(state_e),
803.34 .Width($bits(state_e)),
803.35 .ResetValue($bits(state_e)'(ResetSt)),
803.36 .EnableAlertTriggerSVA(1)
803.37 ) u_state_regs (
803.38 .clk_i ( `PRIM_FLOP_CLK ),
803.39 .rst_ni ( `PRIM_FLOP_RST ),
803.40 .state_i ( state_d ),
803.41 .state_o ( state_q )
803.42 );
803.43 `endif804
805 always_ff @(posedge clk_i or negedge rst_ni) begin : p_regs
806 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
807 1/1 error_q <= NoError;
Tests: T1 T2 T3
808 1/1 data_q <= '0;
Tests: T1 T2 T3
809 1/1 base_sel_q <= DaiOffset;
Tests: T1 T2 T3
810 end else begin
811 1/1 error_q <= error_d;
Tests: T1 T2 T3
812 1/1 base_sel_q <= base_sel_d;
Tests: T1 T2 T3
813
814 // Working register
815 1/1 if (data_clr) begin
Tests: T1 T2 T3
816 1/1 data_q <= '0;
Tests: T1 T2 T3
817 1/1 end else if (data_en) begin
Tests: T1 T2 T3
818 1/1 if (data_sel == ScrmblData) begin
Tests: T1 T2 T3
819 1/1 data_q <= scrmbl_data_i;
Tests: T1 T2 T3
820 1/1 end else if (data_sel == DaiData) begin
Tests: T1 T2 T3
821 1/1 data_q <= dai_wdata_i;
Tests: T1 T2 T3
822 end else begin
823 1/1 data_q <= otp_rdata_i;
Tests: T1 T2 T3
824 end
825 end
MISSING_ELSE
Cond Coverage for Instance : tb.dut.u_otp_ctrl_dai
| Total | Covered | Percent |
|---|
| Conditions | 81 | 77 | 95.06 |
| Logical | 81 | 77 | 95.06 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 170
EXPRESSION (((!otp_ctrl_part_pkg::PartInfo[part_idx].integrity)) && (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}))
--------------------------1------------------------- -----------------------------------2-----------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T4,T91,T25 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T23,T128 |
LINE 184
EXPRESSION ((state_q == IdleSt) ? data_q : '0)
---------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 184
SUB-EXPRESSION (state_q == IdleSt)
---------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 266
EXPRESSION (part_init_done_i == {otp_ctrl_reg_pkg::NumPart {1'b1}})
----------------------------1---------------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 350
EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].secret && (otp_addr_o != digest_addr_lut[part_idx]))
----------------------1--------------------- --------------------2--------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T4,T6,T22 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 350
SUB-EXPRESSION (otp_addr_o != digest_addr_lut[part_idx])
--------------------1--------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T4,T6,T22 |
| 1 | Covered | T1,T2,T3 |
LINE 357
EXPRESSION (otp_err != NoError)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T4,T121,T125 |
LINE 384
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 1 | Excluded | |
VC_COV_UNR |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 467
EXPRESSION (otp_err == MacroWriteBlankError)
----------------1----------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T91,T25,T26 |
LINE 498
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 1 | Excluded | |
VC_COV_UNR |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T2,T3,T6 |
LINE 540
EXPRESSION (scrmbl_mtx_gnt_i && scrmbl_ready_i)
--------1------- -------2------
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 1 | Excluded | |
VC_COV_UNR |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T1,T3,T4 |
LINE 588
EXPRESSION (otp_err == MacroEccCorrError)
---------------1--------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T3,T4 |
| 1 | Not Covered | |
LINE 603
EXPRESSION (otp_addr_o == digest_addr_lut[part_idx])
--------------------1--------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T3,T4 |
| 1 | Covered | T1,T3,T4 |
LINE 668
EXPRESSION (error_q == NoError)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T2,T4,T6 |
| 1 | Covered | T19,T20,T21 |
LINE 687
EXPRESSION (state_q != ErrorSt)
----------1---------
| -1- | Status | Tests |
|---|
| 0 | Covered | T2,T4,T6 |
| 1 | Covered | T2,T4,T6 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b00001000000) & ({1'b0, dai_addr_i} < gen_part_sel[1].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T1,T2,T3 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b00110110000) & ({1'b0, dai_addr_i} < gen_part_sel[2].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b10001111000) & ({1'b0, dai_addr_i} < gen_part_sel[3].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11001010000) & ({1'b0, dai_addr_i} < gen_part_sel[4].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11001111000) & ({1'b0, dai_addr_i} < gen_part_sel[5].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T1,T2,T3 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011000000) & ({1'b0, dai_addr_i} < gen_part_sel[6].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011010000) & ({1'b0, dai_addr_i} < gen_part_sel[7].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11011111000) & ({1'b0, dai_addr_i} < gen_part_sel[8].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T3,T4,T6 |
| 1 | 1 | Covered | T2,T3,T4 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11101010000) & ({1'b0, dai_addr_i} < gen_part_sel[9].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- -------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T25,T26,T27 |
| 1 | 1 | Covered | T3,T4,T6 |
LINE 721
EXPRESSION ((dai_addr_i >= 11'b11110101000) & ({1'b0, dai_addr_i} < gen_part_sel[10].PartEndInt[otp_ctrl_reg_pkg::OtpByteAddrWidth:0]))
---------------1--------------- --------------------------------------------2-------------------------------------------
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Excluded | |
vcs_gen_start:k=10:vcs_gen_end:VC_COV_UNR |
| 1 | 1 | Covered | T25,T26,T27 |
LINE 761
EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset))
-----------------------1----------------------- -------------2------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 1 | Covered | T1,T49,T11 |
| 1 | 0 | Covered | T2,T3,T4 |
| 1 | 1 | Covered | T1,T3,T4 |
LINE 761
SUB-EXPRESSION (base_sel_q == PartOffset)
-------------1------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T3,T4 |
LINE 765
EXPRESSION
Number Term
1 (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest || otp_ctrl_part_pkg::PartInfo[part_idx].sw_digest) &&
2 (base_sel_q == DaiOffset) &&
3 ({dai_addr_i[(otp_ctrl_reg_pkg::OtpByteAddrWidth - 1):3], 2'b0} == digest_addr_lut[part_idx]))
| -1- | -2- | -3- | Status | Tests |
|---|
| 0 | 1 | 1 | Covered | T205,T230,T231 |
| 1 | 0 | 1 | Covered | T232,T87,T233 |
| 1 | 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | 1 | Covered | T4,T6,T22 |
LINE 765
SUB-EXPRESSION (otp_ctrl_part_pkg::PartInfo[part_idx].hw_digest || otp_ctrl_part_pkg::PartInfo[part_idx].sw_digest)
-----------------------1----------------------- -----------------------2-----------------------
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T25,T26,T27 |
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T2,T3,T4 |
LINE 765
SUB-EXPRESSION (base_sel_q == DaiOffset)
------------1------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T49,T11 |
| 1 | Covered | T1,T2,T3 |
LINE 765
SUB-EXPRESSION ({dai_addr_i[(otp_ctrl_reg_pkg::OtpByteAddrWidth - 1):3], 2'b0} == digest_addr_lut[part_idx])
----------------------------------------------1----------------------------------------------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T4,T6,T22 |
LINE 818
EXPRESSION (data_sel == ScrmblData)
------------1-----------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
LINE 820
EXPRESSION (data_sel == DaiData)
----------1----------
| -1- | Status | Tests |
|---|
| 0 | Covered | T1,T2,T3 |
| 1 | Covered | T1,T2,T3 |
FSM Coverage for Instance : tb.dut.u_otp_ctrl_dai
Summary for FSM :: state_q
| Total | Covered | Percent | |
| States |
20 |
20 |
100.00 |
(Not included in score) |
| Transitions |
48 |
42 |
87.50 |
|
| Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: state_q
| states | Line No. | Covered | Tests |
| DescrSt |
351 |
Covered |
T2,T3,T4 |
| DescrWaitSt |
385 |
Covered |
T2,T3,T4 |
| DigClrSt |
299 |
Covered |
T1,T3,T4 |
| DigFinSt |
608 |
Covered |
T1,T3,T4 |
| DigPadSt |
612 |
Covered |
T1,T3,T5 |
| DigReadSt |
541 |
Covered |
T1,T3,T4 |
| DigReadWaitSt |
562 |
Covered |
T1,T3,T4 |
| DigSt |
586 |
Covered |
T1,T3,T4 |
| DigWaitSt |
645 |
Covered |
T1,T3,T4 |
| ErrorSt |
251 |
Covered |
T2,T4,T6 |
| IdleSt |
267 |
Covered |
T1,T2,T3 |
| InitOtpSt |
238 |
Covered |
T1,T2,T3 |
| InitPartSt |
254 |
Covered |
T1,T2,T3 |
| ReadSt |
281 |
Covered |
T1,T2,T3 |
| ReadWaitSt |
326 |
Covered |
T1,T2,T3 |
| ResetSt |
231 |
Covered |
T1,T2,T3 |
| ScrSt |
293 |
Covered |
T2,T3,T4 |
| ScrWaitSt |
499 |
Covered |
T2,T3,T6 |
| WriteSt |
295 |
Covered |
T1,T2,T3 |
| WriteWaitSt |
429 |
Covered |
T1,T2,T3 |
| transitions | Line No. | Covered | Tests |
| DescrSt->DescrWaitSt |
385 |
Covered |
T2,T3,T4 |
| DescrSt->ErrorSt |
685 |
Covered |
T234 |
| DescrWaitSt->ErrorSt |
685 |
Covered |
T235,T236 |
| DescrWaitSt->IdleSt |
397 |
Covered |
T2,T3,T4 |
| DigClrSt->DigReadSt |
541 |
Covered |
T1,T3,T4 |
| DigClrSt->ErrorSt |
685 |
Not Covered |
|
| DigFinSt->DigWaitSt |
645 |
Covered |
T1,T3,T4 |
| DigFinSt->ErrorSt |
685 |
Covered |
T237,T238,T239 |
| DigPadSt->DigFinSt |
634 |
Covered |
T1,T3,T5 |
| DigPadSt->ErrorSt |
685 |
Not Covered |
|
| DigReadSt->DigReadWaitSt |
562 |
Covered |
T1,T3,T4 |
| DigReadSt->ErrorSt |
685 |
Covered |
T197,T240 |
| DigReadSt->IdleSt |
565 |
Covered |
T4,T5,T15 |
| DigReadWaitSt->DigSt |
586 |
Covered |
T1,T3,T4 |
| DigReadWaitSt->ErrorSt |
582 |
Covered |
T92,T84,T241 |
| DigSt->DigFinSt |
608 |
Covered |
T1,T3,T4 |
| DigSt->DigPadSt |
612 |
Covered |
T1,T3,T5 |
| DigSt->DigReadSt |
621 |
Covered |
T1,T3,T4 |
| DigSt->ErrorSt |
685 |
Covered |
T11,T242,T243 |
| DigWaitSt->ErrorSt |
685 |
Covered |
T244,T245,T246 |
| DigWaitSt->WriteSt |
659 |
Covered |
T1,T3,T4 |
| IdleSt->DigClrSt |
299 |
Covered |
T1,T3,T4 |
| IdleSt->ErrorSt |
685 |
Covered |
T4,T125,T90 |
| IdleSt->ReadSt |
281 |
Covered |
T1,T2,T3 |
| IdleSt->ScrSt |
293 |
Covered |
T2,T3,T4 |
| IdleSt->WriteSt |
295 |
Covered |
T1,T2,T3 |
| InitOtpSt->ErrorSt |
251 |
Covered |
T99,T170,T247 |
| InitOtpSt->InitPartSt |
254 |
Covered |
T1,T2,T3 |
| InitPartSt->ErrorSt |
685 |
Covered |
T2,T6,T23 |
| InitPartSt->IdleSt |
267 |
Covered |
T1,T2,T3 |
| ReadSt->ErrorSt |
685 |
Not Covered |
|
| ReadSt->IdleSt |
329 |
Covered |
T4,T6,T5 |
| ReadSt->ReadWaitSt |
326 |
Covered |
T1,T2,T3 |
| ReadWaitSt->DescrSt |
351 |
Covered |
T2,T3,T4 |
| ReadWaitSt->ErrorSt |
361 |
Covered |
T91,T25,T121 |
| ReadWaitSt->IdleSt |
353 |
Covered |
T1,T2,T3 |
| ResetSt->ErrorSt |
685 |
Covered |
T100,T101,T149 |
| ResetSt->InitOtpSt |
238 |
Covered |
T1,T2,T3 |
| ScrSt->ErrorSt |
685 |
Not Covered |
|
| ScrSt->IdleSt |
502 |
Covered |
T4,T6,T5 |
| ScrSt->ScrWaitSt |
499 |
Covered |
T2,T3,T6 |
| ScrWaitSt->ErrorSt |
528 |
Not Covered |
|
| ScrWaitSt->WriteSt |
521 |
Covered |
T2,T3,T6 |
| WriteSt->ErrorSt |
685 |
Not Covered |
|
| WriteSt->IdleSt |
434 |
Covered |
T1,T4,T6 |
| WriteSt->WriteWaitSt |
429 |
Covered |
T1,T2,T3 |
| WriteWaitSt->ErrorSt |
459 |
Covered |
T248 |
| WriteWaitSt->IdleSt |
464 |
Covered |
T1,T2,T3 |
Summary for FSM :: error_q
| Total | Covered | Percent | |
| States |
4 |
4 |
100.00 |
(Not included in score) |
| Transitions |
9 |
8 |
88.89 |
|
| Sequences |
0 |
0 |
|
|
State, Transition and Sequence Details for FSM :: error_q
| states | Line No. | Covered | Tests |
| AccessError |
330 |
Covered |
T1,T4,T6 |
| FsmStateError |
370 |
Covered |
T2,T4,T6 |
| MacroEccCorrError |
358 |
Covered |
T4,T121,T125 |
| NoError |
172 |
Covered |
T1,T2,T3 |
| transitions | Line No. | Covered | Tests | Exclude Annotation |
| AccessError->FsmStateError |
370 |
Covered |
T249,T153,T250 |
|
| AccessError->MacroEccCorrError |
358 |
Excluded |
|
VC_COV_UNR |
| AccessError->NoError |
172 |
Covered |
T1,T4,T6 |
|
| FsmStateError->AccessError |
330 |
Excluded |
|
VC_COV_UNR |
| FsmStateError->MacroEccCorrError |
358 |
Excluded |
|
VC_COV_UNR |
| FsmStateError->NoError |
172 |
Covered |
T2,T4,T6 |
|
| MacroEccCorrError->AccessError |
330 |
Not Covered |
|
|
| MacroEccCorrError->FsmStateError |
370 |
Covered |
T162,T251,T215 |
|
| MacroEccCorrError->NoError |
172 |
Covered |
T4,T121,T125 |
|
| NoError->AccessError |
330 |
Covered |
T1,T4,T6 |
|
| NoError->FsmStateError |
370 |
Covered |
T2,T4,T6 |
|
| NoError->MacroEccCorrError |
358 |
Covered |
T4,T121,T125 |
|
Branch Coverage for Instance : tb.dut.u_otp_ctrl_dai
| Line No. | Total | Covered | Percent |
| Branches |
|
92 |
81 |
88.04 |
| TERNARY |
184 |
2 |
2 |
100.00 |
| IF |
170 |
2 |
2 |
100.00 |
| CASE |
225 |
73 |
62 |
84.93 |
| IF |
684 |
3 |
3 |
100.00 |
| IF |
757 |
4 |
4 |
100.00 |
| IF |
803 |
2 |
2 |
100.00 |
| IF |
806 |
6 |
6 |
100.00 |
184 assign dai_rdata_o = (state_q == IdleSt) ? data_q : '0;
-1-
==>
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
170 if (!PartInfo[part_idx].integrity &&
-1-
171 otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
172 otp_err = NoError;
==>
173 end
MISSING_ELSE
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T2,T23,T128 |
| 0 |
Covered |
T1,T2,T3 |
225 unique case (state_q)
-1-
226 ///////////////////////////////////////////////////////////////////
227 // We get here after reset and wait until the power manager
228 // requests OTP initialization. If initialization is requested,
229 // an init command is written to the OTP macro, and we move on
230 // to the InitOtpSt waiting state.
231 ResetSt: begin
232 init_done_o = 1'b0;
233 dai_prog_idle_o = 1'b0;
234 data_clr = 1'b1;
235 if (init_req_i) begin
-2-
236 otp_req_o = 1'b1;
237 if (otp_gnt_i) begin
-3-
238 state_d = InitOtpSt;
==>
239 end
MISSING_ELSE
==> (Excluded)
Exclude Annotation: VC_COV_UNR
240 end
MISSING_ELSE
==>
241 end
242 ///////////////////////////////////////////////////////////////////
243 // We wait here unitl the OTP macro has initialized without
244 // error. If an error occurred during this stage, we latch that
245 // error and move into a terminal error state.
246 InitOtpSt: begin
247 init_done_o = 1'b0;
248 dai_prog_idle_o = 1'b0;
249 if (otp_rvalid_i) begin
-4-
250 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
-5-
251 state_d = ErrorSt;
==>
252 error_d = otp_err;
253 end else begin
254 state_d = InitPartSt;
==>
255 end
256 end
MISSING_ELSE
==>
257 end
258 ///////////////////////////////////////////////////////////////////
259 // Since the OTP macro is now functional, we can send out an
260 // initialization request to all partitions and wait until they
261 // all have initialized.
262 InitPartSt: begin
263 init_done_o = 1'b0;
264 dai_prog_idle_o = 1'b0;
265 part_init_req_o = 1'b1;
266 if (part_init_done_i == {NumPart{1'b1}}) begin
-6-
267 state_d = IdleSt;
==>
268 end
MISSING_ELSE
==>
269 end
270 ///////////////////////////////////////////////////////////////////
271 // Idle state where we wait for incoming commands.
272 // Invalid commands trigger a CmdInvErr, which is recoverable.
273 IdleSt: begin
274 dai_idle_o = 1'b1;
275 if (dai_req_i) begin
-7-
276 // This clears previous (recoverable) and reset the counter.
277 error_d = NoError;
278 cnt_clr = 1'b1;
279 unique case (dai_cmd_i)
-8-
280 DaiRead: begin
281 state_d = ReadSt;
==>
282 // Clear the temporary data register.
283 data_clr = 1'b1;
284 base_sel_d = DaiOffset;
285 end
286 DaiWrite: begin
287 data_sel = DaiData;
288 // Fetch data block.
289 data_en = 1'b1;
290 base_sel_d = DaiOffset;
291 // If this partition is scrambled, directly go to write scrambling first.
292 if (PartInfo[part_idx].secret) begin
-9-
293 state_d = ScrSt;
==>
294 end else begin
295 state_d = WriteSt;
==>
296 end
297 end
298 DaiDigest: begin
299 state_d = DigClrSt;
==>
300 scrmbl_mtx_req_o = 1'b1;
301 base_sel_d = PartOffset;
302 end
303 default: ; // Ignore invalid commands
==>
304 endcase // dai_cmd_i
305 end // dai_req_i
MISSING_ELSE
==>
306 end
307 ///////////////////////////////////////////////////////////////////
308 // Each time we request a block of data from OTP, we re-check
309 // whether read access has been locked for this partition. If
310 // that is the case, we immediately bail out. Otherwise, we
311 // request a block of data from OTP.
312 ReadSt: begin
313 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
-10-
314 // HW digests always remain readable.
315 PartInfo[part_idx].hw_digest && otp_addr_o ==
316 digest_addr_lut[part_idx])) begin
317 otp_req_o = 1'b1;
318 // Depending on the partition configuration,
319 // the wrapper is instructed to ignore integrity errors.
320 if (PartInfo[part_idx].integrity) begin
-11-
321 otp_cmd_o = prim_otp_pkg::Read;
==>
322 end else begin
323 otp_cmd_o = prim_otp_pkg::ReadRaw;
==>
324 end
325 if (otp_gnt_i) begin
-12-
326 state_d = ReadWaitSt;
==>
327 end
MISSING_ELSE
==>
328 end else begin
329 state_d = IdleSt;
==>
330 error_d = AccessError; // Signal this error, but do not go into terminal error state.
331 dai_cmd_done_o = 1'b1;
332 end
333 end
334 ///////////////////////////////////////////////////////////////////
335 // Wait for OTP response and write to readout register. Check
336 // whether descrambling is required or not. In case an OTP
337 // transaction fails, latch the OTP error code, and jump to
338 // terminal error state.
339 ReadWaitSt: begin
340 // Continuously check read access and bail out if this is not consistent.
341 if (part_sel_valid && (mubi8_test_false_strict(part_access_i[part_idx].read_lock) ||
-13-
342 // HW digests always remain readable.
343 PartInfo[part_idx].hw_digest && otp_addr_o ==
344 digest_addr_lut[part_idx])) begin
345 if (otp_rvalid_i) begin
-14-
346 // Check OTP return code.
347 if (otp_err inside {NoError, MacroEccCorrError}) begin
-15-
348 data_en = 1'b1;
349 // We do not need to descramble the digest values.
350 if (PartInfo[part_idx].secret && otp_addr_o != digest_addr_lut[part_idx]) begin
-16-
351 state_d = DescrSt;
==>
352 end else begin
353 state_d = IdleSt;
==>
354 dai_cmd_done_o = 1'b1;
355 end
356 // At this point the only error that we could have gotten are correctable ECC errors.
357 if (otp_err != NoError) begin
-17-
358 error_d = MacroEccCorrError;
==>
359 end
MISSING_ELSE
==>
360 end else begin
361 state_d = ErrorSt;
==>
362 error_d = otp_err;
363 end
364 end
MISSING_ELSE
==>
365 // At this point, this check MUST succeed - otherwise this means that
366 // there was a tampering attempt. Hence we go into a terminal error state
367 // when this check fails.
368 end else begin
369 state_d = ErrorSt;
==>
370 error_d = FsmStateError;
371 end
372 end
373 ///////////////////////////////////////////////////////////////////
374 // Descrambling state. This first acquires the scrambling
375 // datapath mutex. Note that once the mutex is acquired, we have
376 // exclusive access to the scrambling datapath until we release
377 // the mutex by deasserting scrmbl_mtx_req_o.
378 // SEC_CM: SECRET.MEM.SCRAMBLE
379 DescrSt: begin
380 scrmbl_mtx_req_o = 1'b1;
381 scrmbl_valid_o = 1'b1;
382 scrmbl_cmd_o = Decrypt;
383 scrmbl_sel_o = PartInfo[part_idx].key_sel;
384 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-18-
385 state_d = DescrWaitSt;
==>
386 end
MISSING_ELSE
==>
387 end
388 ///////////////////////////////////////////////////////////////////
389 // Wait for the descrambled data to return. Note that we release
390 // the mutex lock upon leaving this state.
391 // SEC_CM: SECRET.MEM.SCRAMBLE
392 DescrWaitSt: begin
393 scrmbl_mtx_req_o = 1'b1;
394 scrmbl_sel_o = PartInfo[part_idx].key_sel;
395 data_sel = ScrmblData;
396 if (scrmbl_valid_i) begin
-19-
397 state_d = IdleSt;
==>
398 data_en = 1'b1;
399 dai_cmd_done_o = 1'b1;
400 end
MISSING_ELSE
==>
401 end
402 ///////////////////////////////////////////////////////////////////
403 // First, check whether write accesses are allowed to this
404 // partition, and error out otherwise. Note that for buffered
405 // partitions, we do not allow DAI writes to the digest offset.
406 // Unbuffered partitions have SW managed digests, hence that
407 // check is not needed in that case. The LC partition is
408 // permanently write locked and can hence not be written via the DAI.
409 WriteSt: begin
410 dai_prog_idle_o = 1'b0;
411 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-20-
412 // If this is a HW digest write to a buffered partition.
413 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
414 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
415 // If this is a non HW digest write to a buffered partition.
416 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
417 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
418 // If this is a write to an unbuffered partition
419 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
420 otp_req_o = 1'b1;
421 // Depending on the partition configuration,
422 // the wrapper is instructed to ignore integrity errors.
423 if (PartInfo[part_idx].integrity) begin
-21-
424 otp_cmd_o = prim_otp_pkg::Write;
==>
425 end else begin
426 otp_cmd_o = prim_otp_pkg::WriteRaw;
==>
427 end
428 if (otp_gnt_i) begin
-22-
429 state_d = WriteWaitSt;
==>
430 end
MISSING_ELSE
==>
431 end else begin
432 // Clear working register state.
433 data_clr = 1'b1;
==>
434 state_d = IdleSt;
435 error_d = AccessError; // Signal this error, but do not go into terminal error state.
436 dai_cmd_done_o = 1'b1;
437 end
438 end
439 ///////////////////////////////////////////////////////////////////
440 // Wait for OTP response, and then go back to idle. In case an
441 // OTP transaction fails, latch the OTP error code, and jump to
442 // terminal error state.
443 WriteWaitSt: begin
444 dai_prog_idle_o = 1'b0;
445 // Continuously check write access and bail out if this is not consistent.
446 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-23-
447 // If this is a HW digest write to a buffered partition.
448 ((PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
449 base_sel_q == PartOffset && otp_addr_o == digest_addr_lut[part_idx]) ||
450 // If this is a non HW digest write to a buffered partition.
451 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].hw_digest &&
452 base_sel_q == DaiOffset && otp_addr_o < digest_addr_lut[part_idx]) ||
453 // If this is a write to an unbuffered partition
454 (PartInfo[part_idx].variant != Buffered && base_sel_q == DaiOffset))) begin
455
456 if (otp_rvalid_i) begin
-24-
457 // Check OTP return code. Note that non-blank errors are recoverable.
458 if ((!(otp_err inside {NoError, MacroWriteBlankError}))) begin
-25-
459 state_d = ErrorSt;
==>
460 error_d = otp_err;
461 end else begin
462 // Clear working register state.
463 data_clr = 1'b1;
464 state_d = IdleSt;
465 dai_cmd_done_o = 1'b1;
466 // Signal non-blank state, but do not go to terminal error state.
467 if (otp_err == MacroWriteBlankError) begin
-26-
468 error_d = otp_err;
==>
469 end
MISSING_ELSE
==>
470 end
471 end
MISSING_ELSE
==>
472 // At this point, this check MUST succeed - otherwise this means that
473 // there was a tampering attempt. Hence we go into a terminal error state
474 // when this check fails.
475 end else begin
476 state_d = ErrorSt;
==>
477 error_d = FsmStateError;
478 end
479 end
480 ///////////////////////////////////////////////////////////////////
481 // Scrambling state. This first acquires the scrambling
482 // datapath mutex. Note that once the mutex is acquired, we have
483 // exclusive access to the scrambling datapath until we release
484 // the mutex by deasserting scrmbl_mtx_req_o.
485 // SEC_CM: SECRET.MEM.SCRAMBLE
486 ScrSt: begin
487 scrmbl_mtx_req_o = 1'b1;
488 // Check write access and bail out if this is not consistent.
489 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-27-
490 // If this is a non HW digest write to a buffered partition.
491 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
492 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
493 otp_addr_o < digest_addr_lut[part_idx])) begin
494
495 scrmbl_valid_o = 1'b1;
496 scrmbl_cmd_o = Encrypt;
497 scrmbl_sel_o = PartInfo[part_idx].key_sel;
498 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-28-
499 state_d = ScrWaitSt;
==>
500 end
MISSING_ELSE
==>
501 end else begin
502 state_d = IdleSt;
==>
503 error_d = AccessError; // Signal this error, but do not go into terminal error state.
504 dai_cmd_done_o = 1'b1;
505 end
506 end
507 ///////////////////////////////////////////////////////////////////
508 // Wait for the scrambled data to return. Note that we release
509 // the mutex lock upon leaving this state.
510 // SEC_CM: SECRET.MEM.SCRAMBLE
511 ScrWaitSt: begin
512 scrmbl_mtx_req_o = 1'b1;
513 // Continously check write access and bail out if this is not consistent.
514 if (part_sel_valid && mubi8_test_false_strict(part_access_i[part_idx].write_lock) &&
-29-
515 // If this is a non HW digest write to a buffered partition.
516 (PartInfo[part_idx].variant == Buffered && PartInfo[part_idx].secret &&
517 PartInfo[part_idx].hw_digest && base_sel_q == DaiOffset &&
518 otp_addr_o < digest_addr_lut[part_idx])) begin
519 data_sel = ScrmblData;
520 if (scrmbl_valid_i) begin
-30-
521 state_d = WriteSt;
==>
522 data_en = 1'b1;
523 end
MISSING_ELSE
==>
524 // At this point, this check MUST succeed - otherwise this means that
525 // there was a tampering attempt. Hence we go into a terminal error state
526 // when this check fails.
527 end else begin
528 state_d = ErrorSt;
==>
529 error_d = FsmStateError;
530 end
531 end
532 ///////////////////////////////////////////////////////////////////
533 // First, acquire the mutex for the digest and clear the digest state.
534 // SEC_CM: PART.MEM.DIGEST
535 DigClrSt: begin
536 scrmbl_mtx_req_o = 1'b1;
537 scrmbl_valid_o = 1'b1;
538 // Need to reset the digest state and set digest mode to "standard".
539 scrmbl_cmd_o = DigestInit;
540 if (scrmbl_mtx_gnt_i && scrmbl_ready_i) begin
-31-
541 state_d = DigReadSt;
==>
542 end
MISSING_ELSE
==>
543 end
544 ///////////////////////////////////////////////////////////////////
545 // This requests a 64bit block to be pushed into the digest datapath.
546 // We also check here whether the partition has been write locked.
547 // SEC_CM: PART.MEM.DIGEST
548 DigReadSt: begin
549 scrmbl_mtx_req_o = 1'b1;
550 if (part_sel_valid &&
-32-
551 mubi8_test_false_strict(part_access_i[part_idx].read_lock) &&
552 mubi8_test_false_strict(part_access_i[part_idx].write_lock)) begin
553 otp_req_o = 1'b1;
554 // Depending on the partition configuration,
555 // the wrapper is instructed to ignore integrity errors.
556 if (PartInfo[part_idx].integrity) begin
-33-
557 otp_cmd_o = prim_otp_pkg::Read;
==>
558 end else begin
559 otp_cmd_o = prim_otp_pkg::ReadRaw;
==>
560 end
561 if (otp_gnt_i) begin
-34-
562 state_d = DigReadWaitSt;
==>
563 end
MISSING_ELSE
==>
564 end else begin
565 state_d = IdleSt;
==>
566 error_d = AccessError; // Signal this error, but do not go into terminal error state.
567 dai_cmd_done_o = 1'b1;
568 end
569 end
570 ///////////////////////////////////////////////////////////////////
571 // Wait for OTP response and write to readout register. Check
572 // whether descrambling is required or not. In case an OTP
573 // transaction fails, latch the OTP error code, and jump to
574 // terminal error state.
575 // SEC_CM: PART.MEM.DIGEST
576 DigReadWaitSt: begin
577 scrmbl_mtx_req_o = 1'b1;
578 if (otp_rvalid_i) begin
-35-
579 cnt_en = 1'b1;
580 // Check OTP return code.
581 if ((!(otp_err inside {NoError, MacroEccCorrError}))) begin
-36-
582 state_d = ErrorSt;
==>
583 error_d = otp_err;
584 end else begin
585 data_en = 1'b1;
586 state_d = DigSt;
587 // Signal soft ECC errors, but do not go into terminal error state.
588 if (otp_err == MacroEccCorrError) begin
-37-
589 error_d = otp_err;
==>
590 end
MISSING_ELSE
==>
591 end
592 end
MISSING_ELSE
==>
593 end
594 ///////////////////////////////////////////////////////////////////
595 // Push the word read into the scrambling datapath. The last
596 // block is repeated in case the number blocks in this partition
597 // is odd.
598 // SEC_CM: PART.MEM.DIGEST
599 DigSt: begin
600 scrmbl_mtx_req_o = 1'b1;
601 scrmbl_valid_o = 1'b1;
602 // No need to digest the digest value itself
603 if (otp_addr_o == digest_addr_lut[part_idx]) begin
-38-
604 // Trigger digest round in case this is the second block in a row.
605 if (!cnt[0]) begin
-39-
606 scrmbl_cmd_o = Digest;
607 if (scrmbl_ready_i) begin
-40-
608 state_d = DigFinSt;
==>
609 end
MISSING_ELSE
==>
610 // Otherwise, just load low word and go to padding state.
611 end else if (scrmbl_ready_i) begin
-41-
612 state_d = DigPadSt;
==>
613 end
MISSING_ELSE
==>
614 end else begin
615 // Trigger digest round in case this is the second block in a row.
616 if (!cnt[0]) begin
-42-
617 scrmbl_cmd_o = Digest;
==>
618 end
MISSING_ELSE
==>
619 // Go back and fetch more data blocks.
620 if (scrmbl_ready_i) begin
-43-
621 state_d = DigReadSt;
==>
622 end
MISSING_ELSE
==>
623 end
624 end
625 ///////////////////////////////////////////////////////////////////
626 // Padding state, just repeat the last block and go to digest
627 // finalization.
628 // SEC_CM: PART.MEM.DIGEST
629 DigPadSt: begin
630 scrmbl_mtx_req_o = 1'b1;
631 scrmbl_valid_o = 1'b1;
632 scrmbl_cmd_o = Digest;
633 if (scrmbl_ready_i) begin
-44-
634 state_d = DigFinSt;
==>
635 end
MISSING_ELSE
==>
636 end
637 ///////////////////////////////////////////////////////////////////
638 // Trigger digest finalization and go wait for the result.
639 // SEC_CM: PART.MEM.DIGEST
640 DigFinSt: begin
641 scrmbl_mtx_req_o = 1'b1;
642 scrmbl_valid_o = 1'b1;
643 scrmbl_cmd_o = DigestFinalize;
644 if (scrmbl_ready_i) begin
-45-
645 state_d = DigWaitSt;
==>
646 end
MISSING_ELSE
==>
647 end
648 ///////////////////////////////////////////////////////////////////
649 // Wait for the digest to return, and write the result to OTP.
650 // Note that the write address will be correct in this state,
651 // since the counter has been stepped to the correct address as
652 // part of the readout sequence, and the correct size for this
653 // access has been loaded before.
654 // SEC_CM: PART.MEM.DIGEST
655 DigWaitSt: begin
656 scrmbl_mtx_req_o = 1'b1;
657 data_sel = ScrmblData;
658 if (scrmbl_valid_i) begin
-46-
659 state_d = WriteSt;
==>
660 data_en = 1'b1;
661 end
MISSING_ELSE
==>
662 end
663 ///////////////////////////////////////////////////////////////////
664 // Terminal Error State. This locks access to the DAI. Make sure
665 // an FsmStateError error code is assigned here, in case no error code has
666 // been assigned yet.
667 ErrorSt: begin
668 if (error_q == NoError) begin
-47-
669 error_d = FsmStateError;
==>
670 end
MISSING_ELSE
==>
671 end
672 ///////////////////////////////////////////////////////////////////
673 // We should never get here. If we do (e.g. via a malicious
674 // glitch), error out immediately.
675 default: begin
676 state_d = ErrorSt;
==>
Branches:
| -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- | Status | Tests | Exclude Annotation |
| ResetSt |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ResetSt |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Excluded |
|
VC_COV_UNR |
| ResetSt |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| InitOtpSt |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| InitOtpSt |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| InitOtpSt |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| InitPartSt |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| InitPartSt |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiRead |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiWrite |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiWrite |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| IdleSt |
- |
- |
- |
- |
- |
1 |
DaiDigest |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| IdleSt |
- |
- |
- |
- |
- |
1 |
default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| IdleSt |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
|
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
|
| ReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T6,T5 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T121,T125 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T91,T25,T121 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| ReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DescrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| DescrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T139 |
|
| DescrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| DescrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T4 |
|
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
|
| WriteSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T4,T6 |
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T91,T25,T26 |
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
|
| WriteWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
|
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T201 |
|
| ScrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T6,T5 |
|
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
|
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T2,T3,T6 |
|
| ScrWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DigClrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigClrSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T115,T10,T139 |
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T85,T88,T127 |
|
| DigReadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T4,T5,T15 |
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigReadWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
1 |
- |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
1 |
0 |
- |
- |
- |
- |
- |
- |
- |
Not Covered |
|
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
1 |
- |
- |
- |
- |
- |
- |
Covered |
T1,T3,T5 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
0 |
- |
0 |
- |
- |
- |
- |
- |
- |
Covered |
T1 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
1 |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
0 |
- |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
1 |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
0 |
- |
- |
- |
- |
Covered |
T1,T3,T4 |
|
| DigPadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
- |
Covered |
T1,T3,T5 |
|
| DigPadSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
- |
Not Covered |
|
|
| DigFinSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
- |
Covered |
T1,T3,T4 |
|
| DigFinSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
- |
Covered |
T1,T3,T4 |
|
| DigWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
- |
Covered |
T1,T3,T4 |
|
| DigWaitSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
- |
Covered |
T1,T3,T4 |
|
| ErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
1 |
Covered |
T19,T20,T21 |
|
| ErrorSt |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0 |
Covered |
T2,T4,T6 |
|
| default |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Covered |
T19,T20,T21 |
|
684 if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i) || cnt_err) begin
-1-
685 state_d = ErrorSt;
686 fsm_err_o = 1'b1;
687 if (state_q != ErrorSt) begin
-2-
688 error_d = FsmStateError;
==>
689 end
MISSING_ELSE
==>
690 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | Status | Tests |
| 1 |
1 |
Covered |
T2,T4,T6 |
| 1 |
0 |
Covered |
T2,T4,T6 |
| 0 |
- |
Covered |
T1,T2,T3 |
757 if (PartInfo[part_idx].secret) begin
-1-
758 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
759 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
760 // 64bit transaction if computing a digest.
761 end else if (PartInfo[part_idx].hw_digest && (base_sel_q == PartOffset)) begin
-2-
762 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
763 addr_base = PartInfo[part_idx].offset;
764 // 64bit transaction if the DAI address points to the partition's digest offset.
765 end else if ((PartInfo[part_idx].hw_digest || PartInfo[part_idx].sw_digest) &&
-3-
766 (base_sel_q == DaiOffset) &&
767 ({dai_addr_i[OtpByteAddrWidth-1:3], 2'b0} == digest_addr_lut[part_idx])) begin
768 otp_size_o = OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1));
==>
769 addr_base = {dai_addr_i[OtpByteAddrWidth-1:3], 3'h0};
770 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | -3- | Status | Tests |
| 1 |
- |
- |
Covered |
T2,T3,T4 |
| 0 |
1 |
- |
Covered |
T1,T3,T4 |
| 0 |
0 |
1 |
Covered |
T4,T6,T22 |
| 0 |
0 |
0 |
Covered |
T1,T2,T3 |
803 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, ResetSt)
-1-
==>
==>
Branches:
| -1- | Status | Tests |
| 1 |
Covered |
T1,T2,T3 |
| 0 |
Covered |
T1,T2,T3 |
806 if (!rst_ni) begin
-1-
807 error_q <= NoError;
==>
808 data_q <= '0;
809 base_sel_q <= DaiOffset;
810 end else begin
811 error_q <= error_d;
812 base_sel_q <= base_sel_d;
813
814 // Working register
815 if (data_clr) begin
-2-
816 data_q <= '0;
==>
817 end else if (data_en) begin
-3-
818 if (data_sel == ScrmblData) begin
-4-
819 data_q <= scrmbl_data_i;
==>
820 end else if (data_sel == DaiData) begin
-5-
821 data_q <= dai_wdata_i;
==>
822 end else begin
823 data_q <= otp_rdata_i;
==>
824 end
825 end
MISSING_ELSE
==>
Branches:
| -1- | -2- | -3- | -4- | -5- | Status | Tests |
| 1 |
- |
- |
- |
- |
Covered |
T1,T2,T3 |
| 0 |
1 |
- |
- |
- |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
1 |
- |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
0 |
1 |
Covered |
T1,T2,T3 |
| 0 |
0 |
1 |
0 |
0 |
Covered |
T1,T2,T3 |
| 0 |
0 |
0 |
- |
- |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_otp_ctrl_dai
Assertion Details
CheckNativeOtpWidth0_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
CheckNativeOtpWidth1_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
DaiIdleKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
DaiRdataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ErrorKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
InitDoneKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpAddrKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpCmdKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpErrorState_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
341 |
0 |
0 |
| T8 |
4778 |
0 |
0 |
0 |
| T25 |
22495 |
1 |
0 |
0 |
| T26 |
0 |
1 |
0 |
0 |
| T27 |
0 |
1 |
0 |
0 |
| T85 |
40690 |
0 |
0 |
0 |
| T91 |
28666 |
1 |
0 |
0 |
| T92 |
33603 |
0 |
0 |
0 |
| T114 |
23277 |
0 |
0 |
0 |
| T119 |
8756 |
0 |
0 |
0 |
| T120 |
30512 |
0 |
0 |
0 |
| T121 |
89304 |
4 |
0 |
0 |
| T125 |
19001 |
1 |
0 |
0 |
| T153 |
0 |
7 |
0 |
0 |
| T154 |
0 |
4 |
0 |
0 |
| T252 |
0 |
1 |
0 |
0 |
| T253 |
0 |
2 |
0 |
0 |
OtpReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpSizeKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
OtpWdataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
PartInitReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
PartSelMustBeOnehot_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblBlockWidthGe8_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblCmdKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblDataKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblModeKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblMtxReqKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblSelKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
ScrmblValidKnown_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |
gen_part_sel[0].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[10].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[1].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[2].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[3].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[4].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[5].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[6].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[7].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[8].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
gen_part_sel[9].PartEndMax_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
1109 |
1109 |
0 |
0 |
| T1 |
1 |
1 |
0 |
0 |
| T2 |
1 |
1 |
0 |
0 |
| T3 |
1 |
1 |
0 |
0 |
| T4 |
1 |
1 |
0 |
0 |
| T5 |
1 |
1 |
0 |
0 |
| T6 |
1 |
1 |
0 |
0 |
| T7 |
1 |
1 |
0 |
0 |
| T22 |
1 |
1 |
0 |
0 |
| T23 |
1 |
1 |
0 |
0 |
| T24 |
1 |
1 |
0 |
0 |
u_state_regs_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
96891327 |
96062358 |
0 |
0 |
| T1 |
4805 |
4742 |
0 |
0 |
| T2 |
9382 |
9133 |
0 |
0 |
| T3 |
25763 |
25306 |
0 |
0 |
| T4 |
19451 |
19037 |
0 |
0 |
| T5 |
30220 |
29859 |
0 |
0 |
| T6 |
34353 |
33971 |
0 |
0 |
| T7 |
3400 |
3310 |
0 |
0 |
| T22 |
21489 |
21428 |
0 |
0 |
| T23 |
10982 |
10704 |
0 |
0 |
| T24 |
16454 |
16284 |
0 |
0 |