Unified Coverage Report :: Module Instance :: tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

Module Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.23	100.00	100.00		85.00	100.00	96.15

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
96.73	100.00	100.00	100.00	85.00	98.15	97.22

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.18	94.16	96.15	97.00		96.43	97.18	dut

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_digest_write_lock.u_prim_mubi8_sender_write_lock	100.00	100.00				100.00	100.00
gen_ecc_reg.u_otp_ctrl_ecc_reg	95.00	100.00		100.00		80.00	100.00
u_prim_mubi8_sender_read_lock_pre	100.00	100.00				100.00	100.00
u_prim_mubi8_sender_write_lock_pre	100.00	100.00				100.00	100.00
u_state_regs	100.00	100.00				100.00	100.00

Module Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
98.33	100.00	100.00		91.67	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
98.32	100.00	100.00	100.00	91.67	98.25	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.18	94.16	96.15	97.00		96.43	97.18	dut

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_digest_write_lock.u_prim_mubi8_sender_write_lock	100.00	100.00				100.00	100.00
gen_ecc_reg.u_otp_ctrl_ecc_reg	95.00	100.00		100.00		80.00	100.00
u_prim_mubi8_sender_read_lock_pre	100.00	100.00				100.00	100.00
u_prim_mubi8_sender_write_lock_pre	100.00	100.00				100.00	100.00
u_state_regs	100.00	100.00				100.00	100.00

Module Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

Instance :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.75	100.00	97.06		91.67	100.00	100.00

Instance's subtree :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
97.83	100.00	97.06	100.00	91.67	98.25	100.00

Parent :

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
96.18	94.16	96.15	97.00		96.43	97.18	dut

Subtrees :

NAME	SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT
gen_digest_write_lock.u_prim_mubi8_sender_write_lock	100.00	100.00				100.00	100.00
gen_ecc_reg.u_otp_ctrl_ecc_reg	95.00	100.00		100.00		80.00	100.00
u_prim_mubi8_sender_read_lock_pre	100.00	100.00				100.00	100.00
u_prim_mubi8_sender_write_lock_pre	100.00	100.00				100.00	100.00
u_state_regs	100.00	100.00				100.00	100.00

Line Coverage for Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
TOTAL		86	86	100.00
CONT_ASSIGN	138	1	1	100.00
ALWAYS	153	3	3	100.00
ALWAYS	164	61	61	100.00
CONT_ASSIGN	334	1	1	100.00
CONT_ASSIGN	336	1	1	100.00
CONT_ASSIGN	339	1	1	100.00
CONT_ASSIGN	349	1	1	100.00
CONT_ASSIGN	350	1	1	100.00
CONT_ASSIGN	354	1	1	100.00
CONT_ASSIGN	358	1	1	100.00
CONT_ASSIGN	395	1	1	100.00
CONT_ASSIGN	420	1	1	100.00
CONT_ASSIGN	454	1	1	100.00
ALWAYS	461	3	3	100.00
ALWAYS	464	8	8	100.00

137                       // Output partition error state.
138        1/1            assign error_o = error_q;
           Tests:       T1 T2 T3 
139                     
140                       // This partition cannot do any write accesses, hence we tie this
141                       // constantly off.
142                       assign otp_wdata_o = '0;
143                       // Depending on the partition configuration, the wrapper is instructed to ignore integrity
144                       // calculations and checks. To be on the safe side, the partition filters error responses at this
145                       // point and does not report any integrity errors if integrity is disabled.
146                       otp_err_e otp_err;
147                       if (Info.integrity) begin : gen_integrity
148                         assign otp_cmd_o = prim_otp_pkg::Read;
149                         assign otp_err = otp_err_e'(otp_err_i);
150                       end else begin : gen_no_integrity
151                         assign otp_cmd_o = prim_otp_pkg::ReadRaw;
152                         always_comb begin
153        1/1                if (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
           Tests:       T1 T2 T3 
154        1/1                  otp_err = NoError;
           Tests:       T2 T5 T104 
155                           end else begin
156        1/1                  otp_err = otp_err_e'(otp_err_i);
           Tests:       T1 T2 T3 
157                           end
158                         end
159                       end
160                     
161                       `ASSERT_KNOWN(FsmStateKnown_A, state_q)
162                       always_comb begin : p_fsm
163                         // Default assignments
164        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
165                     
166                         // Response to init request
167        1/1              init_done_o = 1'b0;
           Tests:       T1 T2 T3 
168                     
169                         // OTP signals
170        1/1              otp_req_o   = 1'b0;
           Tests:       T1 T2 T3 
171        1/1              otp_addr_sel = DigestAddrSel;
           Tests:       T1 T2 T3 
172                     
173                         // TL-UL signals
174        1/1              tlul_gnt_o      = 1'b0;
           Tests:       T1 T2 T3 
175        1/1              tlul_rvalid_o   = 1'b0;
           Tests:       T1 T2 T3 
176        1/1              tlul_rerror_o   = '0;
           Tests:       T1 T2 T3 
177                     
178                         // Enable for buffered digest register
179        1/1              digest_reg_en = 1'b0;
           Tests:       T1 T2 T3 
180                     
181                         // Error Register
182        1/1              error_d = error_q;
           Tests:       T1 T2 T3 
183        1/1              pending_tlul_error_d = 1'b0;
           Tests:       T1 T2 T3 
184        1/1              fsm_err_o = 1'b0;
           Tests:       T1 T2 T3 
185                     
186        1/1              unique case (state_q)
           Tests:       T1 T2 T3 
187                           ///////////////////////////////////////////////////////////////////
188                           // State right after reset. Wait here until we get a an
189                           // initialization request.
190                           ResetSt: begin
191        1/1                  if (init_req_i) begin
           Tests:       T1 T2 T3 
192                               // If the partition does not have a digest, no initialization is necessary.
193        1/1                    if (Info.sw_digest) begin
           Tests:       T1 T2 T3 
194        1/1                      state_d = InitSt;
           Tests:       T1 T2 T3 
195                               end else begin
196        unreachable              state_d = IdleSt;
197                               end
198                             end
                        MISSING_ELSE
199                           end
200                           ///////////////////////////////////////////////////////////////////
201                           // Initialization reads out the digest only in unbuffered
202                           // partitions. Wait here until the OTP request has been granted.
203                           // And then wait until the OTP word comes back.
204                           InitSt: begin
205        1/1                  otp_req_o = 1'b1;
           Tests:       T1 T2 T3 
206        1/1                  if (otp_gnt_i) begin
           Tests:       T1 T2 T3 
207        1/1                    state_d = InitWaitSt;
           Tests:       T1 T2 T3 
208                             end
                   ==>  MISSING_ELSE
209                           end
210                           ///////////////////////////////////////////////////////////////////
211                           // Wait for OTP response and write to digest buffer register. In
212                           // case an OTP transaction fails, latch the  OTP error code and
213                           // jump to a terminal error state.
214                           InitWaitSt: begin
215        1/1                  if (otp_rvalid_i) begin
           Tests:       T1 T2 T3 
216        1/1                    digest_reg_en = 1'b1;
           Tests:       T1 T2 T3 
217        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T1 T2 T3 
218        1/1                      state_d = IdleSt;
           Tests:       T1 T2 T3 
219                                 // At this point the only error that we could have gotten are correctable ECC errors.
220        1/1                      if (otp_err != NoError) begin
           Tests:       T1 T2 T3 
221        excluded                   error_d = MacroEccCorrError;
Exclude Annotation: VC_COV_UNR
222                                 end
                        MISSING_ELSE
223                               end else begin
224        excluded                 state_d = ErrorSt;
Exclude Annotation: VC_COV_UNR
225        excluded                 error_d = otp_err;
Exclude Annotation: VC_COV_UNR
226                               end
227                             end
                        MISSING_ELSE
228                           end
229                           ///////////////////////////////////////////////////////////////////
230                           // Wait for TL-UL requests coming in.
231                           // Then latch address and go to readout state.
232                           IdleSt: begin
233        1/1                  init_done_o = 1'b1;
           Tests:       T1 T2 T3 
234        1/1                  if (tlul_req_i) begin
           Tests:       T1 T2 T3 
235        1/1                    error_d = NoError; // clear recoverable soft errors.
           Tests:       T2 T3 T4 
236        1/1                    state_d = ReadSt;
           Tests:       T2 T3 T4 
237        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T2 T3 T4 
238                             end
                        MISSING_ELSE
239                           end
240                           ///////////////////////////////////////////////////////////////////
241                           // If the address is out of bounds, or if the partition is
242                           // locked, signal back a bus error. Note that such an error does
243                           // not cause the partition to go into error state. Otherwise if
244                           // these checks pass, an OTP word is requested.
245                           ReadSt: begin
246        1/1                  init_done_o = 1'b1;
           Tests:       T2 T3 T4 
247                             // Double check the address range.
248        1/1                  if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
           Tests:       T2 T3 T4 
249        1/1                    otp_req_o = 1'b1;
           Tests:       T2 T3 T4 
250        1/1                    otp_addr_sel = DataAddrSel;
           Tests:       T2 T3 T4 
251        1/1                    if (otp_gnt_i) begin
           Tests:       T2 T3 T4 
252        1/1                      state_d = ReadWaitSt;
           Tests:       T2 T3 T4 
253                               end
                        MISSING_ELSE
254                             end else begin
255        1/1                    state_d = IdleSt;
           Tests:       T12 T17 T93 
256        1/1                    error_d = AccessError; // Signal this error, but do not go into terminal error state.
           Tests:       T12 T17 T93 
257        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T12 T17 T93 
258        1/1                    tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
           Tests:       T12 T17 T93 
259                             end
260                           end
261                           ///////////////////////////////////////////////////////////////////
262                           // Wait for OTP response and release the TL-UL response. In
263                           // case an OTP transaction fails, latch the OTP error code,
264                           // signal a TL-Ul bus error and jump to a terminal error state.
265                           ReadWaitSt: begin
266        1/1                  init_done_o = 1'b1;
           Tests:       T2 T3 T4 
267        1/1                  if (otp_rvalid_i) begin
           Tests:       T2 T3 T4 
268        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T2 T3 T4 
269        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T2 T3 T4 
270        1/1                      state_d = IdleSt;
           Tests:       T2 T3 T4 
271                                 // At this point the only error that we could have gotten are correctable ECC errors.
272        1/1                      if (otp_err != NoError) begin
           Tests:       T2 T3 T4 
273        excluded                   error_d = MacroEccCorrError;
Exclude Annotation: VC_COV_UNR
274                                 end
                        MISSING_ELSE
275                               end else begin
276        excluded                 state_d = ErrorSt;
Exclude Annotation: VC_COV_UNR
277        excluded                 error_d = otp_err;
Exclude Annotation: VC_COV_UNR
278                                 // This causes the TL-UL adapter to return a bus error.
279        excluded                 tlul_rerror_o = 2'b11;
Exclude Annotation: VC_COV_UNR
280                               end
281                             end
                        MISSING_ELSE
282                           end
283                           ///////////////////////////////////////////////////////////////////
284                           // Terminal Error State. This locks access to the partition.
285                           // Make sure the partition signals an error state if no error
286                           // code has been latched so far.
287                           ErrorSt: begin
288        1/1                  if (error_q == NoError) begin
           Tests:       T2 T4 T5 
289        1/1                    error_d = FsmStateError;
           Tests:       T26 T27 T28 
290                             end
                        MISSING_ELSE
291                     
292                             // Return bus errors if there are pending TL-UL requests.
293        1/1                  if (pending_tlul_error_q) begin
           Tests:       T2 T4 T5 
294        1/1                    tlul_rerror_o = 2'b11;
           Tests:       T4 T5 T101 
295        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T4 T5 T101 
296        1/1                  end else if (tlul_req_i) begin
           Tests:       T2 T4 T5 
297        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T4 T5 T101 
298        1/1                    pending_tlul_error_d = 1'b1;
           Tests:       T4 T5 T101 
299                             end
                        MISSING_ELSE
300                           end
301                           ///////////////////////////////////////////////////////////////////
302                           // We should never get here. If we do (e.g. via a malicious
303                           // glitch), error out immediately.
304                           default: begin
305                             state_d = ErrorSt;
306                             fsm_err_o = 1'b1;
307                           end
308                           ///////////////////////////////////////////////////////////////////
309                         endcase // state_q
310                     
311                         // Unconditionally jump into the terminal error state in case of
312                         // an ECC error or escalation, and lock access to the partition down.
313                         // SEC_CM: PART.FSM.LOCAL_ESC
314        1/1              if (ecc_err) begin
           Tests:       T1 T2 T3 
315        1/1                state_d = ErrorSt;
           Tests:       T109 T152 
316        1/1                if (state_q != ErrorSt) begin
           Tests:       T109 T152 
317        1/1                  error_d = CheckFailError;
           Tests:       T109 T152 
318                           end
                        MISSING_ELSE
319                         end
                        MISSING_ELSE
320                         // SEC_CM: PART.FSM.GLOBAL_ESC
321        1/1              if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
           Tests:       T1 T2 T3 
322        1/1                state_d = ErrorSt;
           Tests:       T2 T4 T5 
323        1/1                fsm_err_o = 1'b1;
           Tests:       T2 T4 T5 
324        1/1                if (state_q != ErrorSt) begin
           Tests:       T2 T4 T5 
325        1/1                  error_d = FsmStateError;
           Tests:       T2 T4 T5 
326                           end
                        MISSING_ELSE
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       ///////////////////////////////////
331                       // Signals to/from TL-UL Adapter //
332                       ///////////////////////////////////
333                     
334        1/1            assign tlul_addr_d  = tlul_addr_i;
           Tests:       T1 T2 T3 
335                       // Do not forward data in case of an error.
336        1/1            assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
           Tests:       T1 T2 T3 
337                     
338                       if (Info.offset == 0) begin : gen_zero_offset
339        1/1              assign tlul_addr_in_range = {1'b0, tlul_addr_q, 2'b00} < PartEnd;
           Tests:       T1 T2 T3 
340                     
341                       end else begin : gen_nonzero_offset
342                         assign tlul_addr_in_range = {tlul_addr_q, 2'b00} >= Info.offset &&
343                                                     {1'b0, tlul_addr_q, 2'b00} < PartEnd;
344                       end
345                     
346                       // Note that OTP works on halfword (16bit) addresses, hence need to
347                       // shift the addresses appropriately.
348                       logic [OtpByteAddrWidth-1:0] addr_calc;
349        1/1            assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
           Tests:       T1 T2 T3 
350        1/1            assign otp_addr_o = addr_calc[OtpByteAddrWidth-1:OtpAddrShift];
           Tests:       T1 T2 T3 
351                     
352                       if (OtpAddrShift > 0) begin : gen_unused
353                         logic unused_bits;
354        1/1              assign unused_bits = ^addr_calc[OtpAddrShift-1:0];
           Tests:       T1 T2 T3 
355                       end
356                     
357                       // Request 32bit except in case of the digest.
358        1/1            assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
           Tests:       T1 T2 T3 
359                                           OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1)) :
360                                           OtpSizeWidth'(unsigned'(32 / OtpWidth - 1));
361                     
362                       ////////////////
363                       // Digest Reg //
364                       ////////////////
365                     
366                       if (Info.sw_digest) begin : gen_ecc_reg
367                         // SEC_CM: PART.DATA_REG.INTEGRITY
368                         otp_ctrl_ecc_reg #(
369                           .Width ( ScrmblBlockWidth ),
370                           .Depth ( 1                )
371                         ) u_otp_ctrl_ecc_reg (
372                           .clk_i,
373                           .rst_ni,
374                           .wren_i    ( digest_reg_en ),
375                           .addr_i    ( '0            ),
376                           .wdata_i   ( otp_rdata_i   ),
377                           .rdata_o   (               ),
378                           .data_o    ( digest_o      ),
379                           .ecc_err_o ( ecc_err       )
380                         );
381                       end else begin : gen_no_ecc_reg
382                         logic unused_digest_reg_en;
383                         logic unused_rdata;
384                         assign unused_digest_reg_en = digest_reg_en;
385                         assign unused_rdata = ^otp_rdata_i[32 +: 32]; // Upper word is not connected in this case.
386                         assign digest_o = '0;
387                         assign ecc_err = 1'b0;
388                       end
389                     
390                       ////////////////////////
391                       // DAI Access Control //
392                       ////////////////////////
393                     
394                       mubi8_t init_locked;
395        1/1            assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
396                     
397                       // Aggregate all possible DAI write locks. The partition is also locked when uninitialized.
398                       // Note that the locks are redundantly encoded values.
399                       part_access_t access_pre;
400                       prim_mubi8_sender #(
401                         .AsyncOn(0)
402                       ) u_prim_mubi8_sender_write_lock_pre (
403                         .clk_i,
404                         .rst_ni,
405                         .mubi_i(mubi8_and_lo(init_locked, access_i.write_lock)),
406                         .mubi_o(access_pre.write_lock)
407                       );
408                       prim_mubi8_sender #(
409                         .AsyncOn(0)
410                       ) u_prim_mubi8_sender_read_lock_pre (
411                         .clk_i,
412                         .rst_ni,
413                         .mubi_i(mubi8_and_lo(init_locked, access_i.read_lock)),
414                         .mubi_o(access_pre.read_lock)
415                       );
416                     
417                       // SEC_CM: PART.MEM.SW_UNWRITABLE
418                       if (Info.write_lock) begin : gen_digest_write_lock
419                         mubi8_t digest_locked;
420        1/1              assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
421                     
422                         // This prevents the synthesis tool from optimizing the multibit signal.
423                         prim_mubi8_sender #(
424                           .AsyncOn(0)
425                         ) u_prim_mubi8_sender_write_lock (
426                           .clk_i,
427                           .rst_ni,
428                           .mubi_i(mubi8_and_lo(access_pre.write_lock, digest_locked)),
429                           .mubi_o(access_o.write_lock)
430                         );
431                     
432                         `ASSERT(DigestWriteLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.write_lock))
433                       end else begin : gen_no_digest_write_lock
434                         assign access_o.write_lock = access_pre.write_lock;
435                       end
436                     
437                       // SEC_CM: PART.MEM.SW_UNREADABLE
438                       if (Info.read_lock) begin : gen_digest_read_lock
439                         mubi8_t digest_locked;
440                         assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
441                     
442                         // This prevents the synthesis tool from optimizing the multibit signal.
443                         prim_mubi8_sender #(
444                           .AsyncOn(0)
445                         ) u_prim_mubi8_sender_read_lock (
446                           .clk_i,
447                           .rst_ni,
448                           .mubi_i(mubi8_and_lo(access_pre.read_lock, digest_locked)),
449                           .mubi_o(access_o.read_lock)
450                         );
451                     
452                         `ASSERT(DigestReadLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.read_lock))
453                       end else begin : gen_no_digest_read_lock
454        1/1              assign access_o.read_lock = access_pre.read_lock;
           Tests:       T1 T2 T3 
455                       end
456                     
457                       ///////////////
458                       // Registers //
459                       ///////////////
460                     
461        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):
461.1                   `ifdef SIMULATION                                   
461.2                       prim_sparse_fsm_flop #(                           
461.3                         .StateEnumT(state_e),                            
461.4                         .Width($bits(state_e)),                          
461.5                         .ResetValue($bits(state_e)'(ResetSt)),          
461.6                         .EnableAlertTriggerSVA(1), 
461.7                         .CustomForceName("state_q")          
461.8                       ) u_state_regs (                                        
461.9                         .clk_i   ( clk_i   ),                           
461.10                        .rst_ni  ( rst_ni ),                           
461.11                        .state_i ( state_d     ),                           
461.12                        .state_o (         )                            
461.13                      );                                                
461.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
461.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
461.16     1/1                state_q <= ResetSt;                                
           Tests:       T1 T2 T3 
461.17                      end else begin                                    
461.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
461.19                      end                                               
461.20                    end  
461.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
461.22                      else begin                                                                           
461.23                        `ifdef UVM                                                                               
461.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
461.25                                              "../src/lowrisc_ip_otp_ctrl_1.0/rtl/otp_ctrl_part_unbuf.sv", 461, "", 1);                                
461.26                  `else                                                                                    
461.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
461.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
461.29                  `endif                                                              
461.30                      end 
461.31                    `else                                               
461.32                      prim_sparse_fsm_flop #(                           
461.33                        .StateEnumT(state_e),                            
461.34                        .Width($bits(state_e)),                          
461.35                        .ResetValue($bits(state_e)'(ResetSt)),          
461.36                        .EnableAlertTriggerSVA(1)  
461.37                      ) u_state_regs (                                        
461.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
461.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
461.40                        .state_i ( state_d     ),                           
461.41                        .state_o ( state_q     )                            
461.42                      );                                                
461.43                    `endif462                     
463                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_regs
464        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
465        1/1                error_q              <= NoError;
           Tests:       T1 T2 T3 
466        1/1                tlul_addr_q          <= '0;
           Tests:       T1 T2 T3 
467        1/1                pending_tlul_error_q <= 1'b0;
           Tests:       T1 T2 T3 
468                         end else begin
469        1/1                error_q              <= error_d;
           Tests:       T1 T2 T3 
470        1/1                pending_tlul_error_q <= pending_tlul_error_d;
           Tests:       T1 T2 T3 
471        1/1                if (tlul_gnt_o) begin
           Tests:       T1 T2 T3 
472        1/1                  tlul_addr_q <= tlul_addr_d;
           Tests:       T2 T3 T4 
473                           end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

	Total	Covered	Percent
Conditions	29	29	100.00
Logical	29	29	100.00
Non-Logical	0	0
Event	0	0

 LINE       220
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests	Exclude Annotation
0	Covered	T1,T2,T3
1	Excluded		VC_COV_UNR

 LINE       272
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests	Exclude Annotation
0	Covered	T2,T3,T4
1	Excluded		VC_COV_UNR

 LINE       288
 EXPRESSION (error_q == NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T26,T27,T28

 LINE       316
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T109,T152
1	Covered	T109,T152

 LINE       324
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T2,T4,T5

 LINE       336
 EXPRESSION ((tlul_rvalid_o && (tlul_rerror_o == '0)) ? otp_rdata_i[31:0] : '0)
             --------------------1-------------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T3,T4

 LINE       336
 SUB-EXPRESSION (tlul_rvalid_o && (tlul_rerror_o == '0))
                 ------1------    ----------2----------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T4,T5,T12
1	1	Covered	T2,T3,T4

 LINE       336
 SUB-EXPRESSION (tlul_rerror_o == '0)
                ----------1----------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       349
 EXPRESSION ((otp_addr_sel == DigestAddrSel) ? DigestOffset : ({tlul_addr_q, 2'b0}))
             ---------------1---------------

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T1,T2,T3

 LINE       349
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       358
 EXPRESSION 
 Number  Term
      1  (otp_addr_sel == DigestAddrSel) ? (2'((unsigned'(((otp_ctrl_pkg::ScrmblBlockWidth / otp_ctrl_pkg::OtpWidth) - 1))))) : (2'((unsigned'(((32 / otp_ctrl_pkg::OtpWidth) - 1))))))

-1-	Status	Tests
0	Covered	T2,T3,T4
1	Covered	T1,T2,T3

 LINE       358
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       395
 EXPRESSION (((~init_done_o)) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       420
 EXPRESSION ((digest_o != '0) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T4,T12

 LINE       420
 SUB-EXPRESSION (digest_o != '0)
                --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T4,T12

---

FSM Coverage for Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

Summary for FSM :: state_q

	Total	Covered	Percent
States	7	7	100.00	(Not included in score)
Transitions	13	10	76.92
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
ErrorSt	224	Covered	T2,T4,T5
IdleSt	196	Covered	T1,T2,T3
InitSt	194	Covered	T1,T2,T3
InitWaitSt	207	Covered	T1,T2,T3
ReadSt	236	Covered	T2,T3,T4
ReadWaitSt	252	Covered	T2,T3,T4
ResetSt	190	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
IdleSt->ErrorSt	315	Covered	T2,T4,T5
IdleSt->ReadSt	236	Covered	T2,T3,T4
InitSt->ErrorSt	315	Not Covered
InitSt->InitWaitSt	207	Covered	T1,T2,T3
InitWaitSt->ErrorSt	224	Covered	T198,T199,T200
InitWaitSt->IdleSt	218	Covered	T1,T2,T3
ReadSt->ErrorSt	315	Not Covered
ReadSt->IdleSt	255	Covered	T12,T17,T93
ReadSt->ReadWaitSt	252	Covered	T2,T3,T4
ReadWaitSt->ErrorSt	276	Not Covered
ReadWaitSt->IdleSt	270	Covered	T2,T3,T4
ResetSt->ErrorSt	315	Covered	T109,T110,T111
ResetSt->IdleSt	196	Excluded		VC_COV_UNR
ResetSt->InitSt	194	Covered	T1,T2,T3

Summary for FSM :: error_q

	Total	Covered	Percent
States	4	4	100.00	(Not included in score)
Transitions	7	7	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: error_q

---

states	Line No.	Covered	Tests	Exclude Annotation
AccessError	256	Covered	T12,T17,T93
CheckFailError	317	Covered	T109,T152
FsmStateError	289	Covered	T2,T4,T5
MacroEccCorrError	221	Excluded		VC_COV_UNR
NoError	235	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
AccessError->CheckFailError	317	Excluded
AccessError->FsmStateError	325	Covered	T121,T8,T9
AccessError->MacroEccCorrError	221	Excluded
AccessError->NoError	235	Covered	T12,T17,T93
CheckFailError->AccessError	256	Excluded		VC_COV_UNR
CheckFailError->FsmStateError	325	Excluded		VC_COV_UNR
CheckFailError->MacroEccCorrError	221	Excluded
CheckFailError->NoError	235	Covered	T109,T152
FsmStateError->AccessError	256	Excluded		VC_COV_UNR
FsmStateError->CheckFailError	317	Excluded		VC_COV_UNR
FsmStateError->MacroEccCorrError	221	Excluded
FsmStateError->NoError	235	Covered	T2,T4,T5
MacroEccCorrError->AccessError	256	Excluded
MacroEccCorrError->CheckFailError	317	Excluded
MacroEccCorrError->FsmStateError	325	Excluded
MacroEccCorrError->NoError	235	Excluded
NoError->AccessError	256	Covered	T12,T17,T93
NoError->CheckFailError	317	Covered	T109,T152
NoError->FsmStateError	289	Covered	T2,T4,T5
NoError->MacroEccCorrError	221	Excluded

---

Branch Coverage for Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
Branches		41	41	100.00
TERNARY	336	2	2	100.00
TERNARY	349	2	2	100.00
TERNARY	358	2	2	100.00
TERNARY	395	2	2	100.00
TERNARY	420	2	2	100.00
CASE	186	18	18	100.00
IF	314	3	3	100.00
IF	321	3	3	100.00
IF	461	2	2	100.00
IF	464	3	3	100.00
IF	153	2	2	100.00

336          assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
                                                                          -1-  
                                                                          ==>  
                                                                          ==>  

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T4
0	Covered	T1,T2,T3

349          assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
                                                                -1-  
                                                                ==>  
                                                                ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T3,T4

358          assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
                                                                 -1-  
                                                                 ==>  
                                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T3,T4

395          assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
                                                 -1-  
                                                 ==>  
                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

420            assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
                                                       -1-  
                                                       ==>  
                                                       ==>  

Branches:

-1-	Status	Tests
1	Covered	T2,T4,T12
0	Covered	T1,T2,T3

186            unique case (state_q)
                      -1-  
187              ///////////////////////////////////////////////////////////////////
188              // State right after reset. Wait here until we get a an
189              // initialization request.
190              ResetSt: begin
191                if (init_req_i) begin
                   -2-  
192                  // If the partition does not have a digest, no initialization is necessary.
193                  if (Info.sw_digest) begin
                     -3-  
194                    state_d = InitSt;
                       ==>
195                  end else begin
196                    state_d = IdleSt;
                       ==> (Unreachable)
197                  end
198                end
                   MISSING_ELSE
                   ==>
199              end
200              ///////////////////////////////////////////////////////////////////
201              // Initialization reads out the digest only in unbuffered
202              // partitions. Wait here until the OTP request has been granted.
203              // And then wait until the OTP word comes back.
204              InitSt: begin
205                otp_req_o = 1'b1;
206                if (otp_gnt_i) begin
                   -4-  
207                  state_d = InitWaitSt;
                     ==>
208                end
                   MISSING_ELSE
                   ==> (Excluded)
Exclude Annotation: VC_COV_UNR
209              end
210              ///////////////////////////////////////////////////////////////////
211              // Wait for OTP response and write to digest buffer register. In
212              // case an OTP transaction fails, latch the  OTP error code and
213              // jump to a terminal error state.
214              InitWaitSt: begin
215                if (otp_rvalid_i) begin
                   -5-  
216                  digest_reg_en = 1'b1;
217                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -6-  
218                    state_d = IdleSt;
219                    // At this point the only error that we could have gotten are correctable ECC errors.
220                    if (otp_err != NoError) begin
                       -7-  
221                      error_d = MacroEccCorrError;
                         ==> (Excluded)
Exclude Annotation: VC_COV_UNR
222                    end
                       MISSING_ELSE
                       ==>
223                  end else begin
224                    state_d = ErrorSt;
                       ==> (Excluded)
Exclude Annotation: VC_COV_UNR
225                    error_d = otp_err;
226                  end
227                end
                   MISSING_ELSE
                   ==>
228              end
229              ///////////////////////////////////////////////////////////////////
230              // Wait for TL-UL requests coming in.
231              // Then latch address and go to readout state.
232              IdleSt: begin
233                init_done_o = 1'b1;
234                if (tlul_req_i) begin
                   -8-  
235                  error_d = NoError; // clear recoverable soft errors.
                     ==>
236                  state_d = ReadSt;
237                  tlul_gnt_o = 1'b1;
238                end
                   MISSING_ELSE
                   ==>
239              end
240              ///////////////////////////////////////////////////////////////////
241              // If the address is out of bounds, or if the partition is
242              // locked, signal back a bus error. Note that such an error does
243              // not cause the partition to go into error state. Otherwise if
244              // these checks pass, an OTP word is requested.
245              ReadSt: begin
246                init_done_o = 1'b1;
247                // Double check the address range.
248                if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
                   -9-  
249                  otp_req_o = 1'b1;
250                  otp_addr_sel = DataAddrSel;
251                  if (otp_gnt_i) begin
                     -10-  
252                    state_d = ReadWaitSt;
                       ==>
253                  end
                     MISSING_ELSE
                     ==>
254                end else begin
255                  state_d = IdleSt;
                     ==>
256                  error_d = AccessError; // Signal this error, but do not go into terminal error state.
257                  tlul_rvalid_o = 1'b1;
258                  tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
259                end
260              end
261              ///////////////////////////////////////////////////////////////////
262              // Wait for OTP response and release the TL-UL response. In
263              // case an OTP transaction fails, latch the OTP error code,
264              // signal a TL-Ul bus error and jump to a terminal error state.
265              ReadWaitSt: begin
266                init_done_o = 1'b1;
267                if (otp_rvalid_i) begin
                   -11-  
268                  tlul_rvalid_o = 1'b1;
269                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -12-  
270                    state_d = IdleSt;
271                    // At this point the only error that we could have gotten are correctable ECC errors.
272                    if (otp_err != NoError) begin
                       -13-  
273                      error_d = MacroEccCorrError;
                         ==> (Excluded)
Exclude Annotation: VC_COV_UNR
274                    end
                       MISSING_ELSE
                       ==>
275                  end else begin
276                    state_d = ErrorSt;
                       ==> (Excluded)
Exclude Annotation: VC_COV_UNR
277                    error_d = otp_err;
278                    // This causes the TL-UL adapter to return a bus error.
279                    tlul_rerror_o = 2'b11;
280                  end
281                end
                   MISSING_ELSE
                   ==>
282              end
283              ///////////////////////////////////////////////////////////////////
284              // Terminal Error State. This locks access to the partition.
285              // Make sure the partition signals an error state if no error
286              // code has been latched so far.
287              ErrorSt: begin
288                if (error_q == NoError) begin
                   -14-  
289                  error_d = FsmStateError;
                     ==>
290                end
                   MISSING_ELSE
                   ==>
291        
292                // Return bus errors if there are pending TL-UL requests.
293                if (pending_tlul_error_q) begin
                   -15-  
294                  tlul_rerror_o = 2'b11;
                     ==>
295                  tlul_rvalid_o = 1'b1;
296                end else if (tlul_req_i) begin
                            -16-  
297                  tlul_gnt_o = 1'b1;
                     ==>
298                  pending_tlul_error_d = 1'b1;
299                end
                   MISSING_ELSE
                   ==>
300              end
301              ///////////////////////////////////////////////////////////////////
302              // We should never get here. If we do (e.g. via a malicious
303              // glitch), error out immediately.
304              default: begin
305                state_d = ErrorSt;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests	Exclude Annotation
ResetSt	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ResetSt	1	0	-	-	-	-	-	-	-	-	-	-	-	-	-	Unreachable
ResetSt	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	Excluded		VC_COV_UNR
InitWaitSt	-	-	-	1	1	1	-	-	-	-	-	-	-	-	-	Excluded		VC_COV_UNR
InitWaitSt	-	-	-	1	1	0	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitWaitSt	-	-	-	1	0	-	-	-	-	-	-	-	-	-	-	Excluded		VC_COV_UNR
InitWaitSt	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
IdleSt	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	Covered	T2,T3,T4
IdleSt	-	-	-	-	-	-	0	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ReadSt	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	Covered	T2,T3,T4
ReadSt	-	-	-	-	-	-	-	1	0	-	-	-	-	-	-	Covered	T12,T13,T125
ReadSt	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Covered	T12,T17,T93
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	1	-	-	-	Excluded		VC_COV_UNR
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	0	-	-	-	Covered	T2,T3,T4
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	0	-	-	-	-	Excluded		VC_COV_UNR
ReadWaitSt	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T2,T3,T4
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	Covered	T26,T27,T28
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	0	-	-	Covered	T2,T4,T5
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	Covered	T4,T5,T101
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	1	Covered	T4,T5,T101
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	Covered	T2,T4,T5
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T26,T27,T28

314            if (ecc_err) begin
               -1-  
315              state_d = ErrorSt;
316              if (state_q != ErrorSt) begin
                 -2-  
317                error_d = CheckFailError;
                   ==>
318              end
                 MISSING_ELSE
                 ==>
319            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T109,T152
1	0	Covered	T109,T152
0	-	Covered	T1,T2,T3

321            if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
               -1-  
322              state_d = ErrorSt;
323              fsm_err_o = 1'b1;
324              if (state_q != ErrorSt) begin
                 -2-  
325                error_d = FsmStateError;
                   ==>
326              end
                 MISSING_ELSE
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T2,T4,T5
1	0	Covered	T2,T4,T5
0	-	Covered	T1,T2,T3

461          `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

464            if (!rst_ni) begin
               -1-  
465              error_q              <= NoError;
                 ==>
466              tlul_addr_q          <= '0;
467              pending_tlul_error_q <= 1'b0;
468            end else begin
469              error_q              <= error_d;
470              pending_tlul_error_q <= pending_tlul_error_d;
471              if (tlul_gnt_o) begin
                 -2-  
472                tlul_addr_q <= tlul_addr_d;
                   ==>
473              end
                 MISSING_ELSE
                 ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T2,T3,T4
0	0	Covered	T1,T2,T3

153              if (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
                 -1-  
154                otp_err = NoError;
                   ==>
155              end else begin
156                otp_err = otp_err_e'(otp_err_i);
                   ==>

Branches:

-1-	Status	Tests
1	Covered	T2,T5,T104
0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.gen_partitions[0].gen_unbuffered.u_part_unbuf

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	26	26	100.00	25	96.15
Cover properties	0	0		0
Cover sequences	0	0		0
Total	26	26	100.00	25	96.15

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AccessKnown_A	88289748	87463934	0	0
DigestKnown_A	88289748	87463934	0	0
DigestOffsetMustBeRepresentable_A	1126	1126	0	0
EccErrorState_A	88289748	6367	0	0
ErrorKnown_A	88289748	87463934	0	0
FsmStateKnown_A	88289748	87463934	0	0
InitDoneKnown_A	88289748	87463934	0	0
InitReadLocksPartition_A	88289748	17423356	0	0
InitWriteLocksPartition_A	88289748	17423356	0	0
OffsetMustBeBlockAligned_A	1126	1126	0	0
OtpAddrKnown_A	88289748	87463934	0	0
OtpCmdKnown_A	88289748	87463934	0	0
OtpErrorState_A	88289748	0	0	0
OtpReqKnown_A	88289748	87463934	0	0
OtpSizeKnown_A	88289748	87463934	0	0
OtpWdataKnown_A	88289748	87463934	0	0
ReadLockPropagation_A	88289748	17373929	0	0
SizeMustBeBlockAligned_A	1126	1126	0	0
TlulGntKnown_A	88289748	87463934	0	0
TlulRdataKnown_A	88289748	87463934	0	0
TlulReadOnReadLock_A	88289748	6307	0	0
TlulRerrorKnown_A	88289748	87463934	0	0
TlulRvalidKnown_A	88289748	87463934	0	0
WriteLockPropagation_A	88289748	2699233	0	0
gen_digest_write_lock.DigestWriteLocksPartition_A	88289748	28234546	0	0
u_state_regs_A	88289748	87463934	0	0

AccessKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestOffsetMustBeRepresentable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

EccErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	6367	0	0
T38	66291	0	0	0
T109	12720	3743	0	0
T152	0	2624	0	0
T175	110852	0	0	0
T176	151426	0	0	0
T177	23626	0	0	0
T178	39885	0	0	0
T179	25803	0	0	0
T180	17661	0	0	0
T181	87397	0	0	0
T182	6096	0	0	0

ErrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

FsmStateKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitDoneKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitReadLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17423356	0	0
T1	4656	63	0	0
T2	10141	3220	0	0
T3	15504	134	0	0
T4	12189	2122	0	0
T5	17675	1998	0	0
T6	21031	4045	0	0
T10	7207	707	0	0
T11	38076	116	0	0
T12	45463	3581	0	0
T13	13068	350	0	0

InitWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17423356	0	0
T1	4656	63	0	0
T2	10141	3220	0	0
T3	15504	134	0	0
T4	12189	2122	0	0
T5	17675	1998	0	0
T6	21031	4045	0	0
T10	7207	707	0	0
T11	38076	116	0	0
T12	45463	3581	0	0
T13	13068	350	0	0

OffsetMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

OtpAddrKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpCmdKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	0	0	0

OtpReqKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpSizeKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpWdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

ReadLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17373929	0	0
T12	45463	1392	0	0
T13	13068	0	0	0
T17	77151	7295	0	0
T19	0	26783	0	0
T37	0	1197	0	0
T93	91589	7234	0	0
T96	0	4941	0	0
T97	30986	0	0	0
T98	37909	2480	0	0
T101	14706	1252	0	0
T102	0	2311	0	0
T104	14461	0	0	0
T105	0	2007	0	0
T127	59995	0	0	0
T128	14105	0	0	0

SizeMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

TlulGntKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulReadOnReadLock_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	6307	0	0
T4	12189	3	0	0
T5	17675	1	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	1	0	0
T13	13068	0	0	0
T17	77151	1	0	0
T37	0	1	0	0
T93	0	1	0	0
T101	0	1	0	0
T102	0	2	0	0
T104	14461	0	0	0
T105	0	3	0	0
T127	59995	0	0	0
T129	0	17	0	0

TlulRerrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

WriteLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	2699233	0	0
T12	45463	1814	0	0
T13	13068	0	0	0
T17	77151	9378	0	0
T19	0	5637	0	0
T20	0	24234	0	0
T93	91589	12714	0	0
T97	30986	0	0	0
T98	37909	0	0	0
T101	14706	0	0	0
T104	14461	0	0	0
T122	0	13191	0	0
T124	0	1509	0	0
T125	0	2571	0	0
T126	0	2282	0	0
T127	59995	0	0	0
T128	14105	0	0	0
T149	0	4811	0	0

gen_digest_write_lock.DigestWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	28234546	0	0
T2	10141	2490	0	0
T3	15504	0	0	0
T4	12189	5982	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	33630	0	0
T13	13068	7864	0	0
T17	0	49808	0	0
T93	0	75275	0	0
T98	0	11233	0	0
T102	0	17476	0	0
T104	14461	3885	0	0
T105	0	32185	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

Line Coverage for Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
TOTAL		91	91	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	149	1	1	100.00
ALWAYS	164	68	68	100.00
CONT_ASSIGN	334	1	1	100.00
CONT_ASSIGN	336	1	1	100.00
CONT_ASSIGN	342	1	1	100.00
CONT_ASSIGN	349	1	1	100.00
CONT_ASSIGN	350	1	1	100.00
CONT_ASSIGN	354	1	1	100.00
CONT_ASSIGN	358	1	1	100.00
CONT_ASSIGN	395	1	1	100.00
CONT_ASSIGN	420	1	1	100.00
CONT_ASSIGN	454	1	1	100.00
ALWAYS	461	3	3	100.00
ALWAYS	464	8	8	100.00

137                       // Output partition error state.
138        1/1            assign error_o = error_q;
           Tests:       T1 T2 T3 
139                     
140                       // This partition cannot do any write accesses, hence we tie this
141                       // constantly off.
142                       assign otp_wdata_o = '0;
143                       // Depending on the partition configuration, the wrapper is instructed to ignore integrity
144                       // calculations and checks. To be on the safe side, the partition filters error responses at this
145                       // point and does not report any integrity errors if integrity is disabled.
146                       otp_err_e otp_err;
147                       if (Info.integrity) begin : gen_integrity
148                         assign otp_cmd_o = prim_otp_pkg::Read;
149        1/1              assign otp_err = otp_err_e'(otp_err_i);
           Tests:       T1 T2 T3 
150                       end else begin : gen_no_integrity
151                         assign otp_cmd_o = prim_otp_pkg::ReadRaw;
152                         always_comb begin
153                           if (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
154                             otp_err = NoError;
155                           end else begin
156                             otp_err = otp_err_e'(otp_err_i);
157                           end
158                         end
159                       end
160                     
161                       `ASSERT_KNOWN(FsmStateKnown_A, state_q)
162                       always_comb begin : p_fsm
163                         // Default assignments
164        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
165                     
166                         // Response to init request
167        1/1              init_done_o = 1'b0;
           Tests:       T1 T2 T3 
168                     
169                         // OTP signals
170        1/1              otp_req_o   = 1'b0;
           Tests:       T1 T2 T3 
171        1/1              otp_addr_sel = DigestAddrSel;
           Tests:       T1 T2 T3 
172                     
173                         // TL-UL signals
174        1/1              tlul_gnt_o      = 1'b0;
           Tests:       T1 T2 T3 
175        1/1              tlul_rvalid_o   = 1'b0;
           Tests:       T1 T2 T3 
176        1/1              tlul_rerror_o   = '0;
           Tests:       T1 T2 T3 
177                     
178                         // Enable for buffered digest register
179        1/1              digest_reg_en = 1'b0;
           Tests:       T1 T2 T3 
180                     
181                         // Error Register
182        1/1              error_d = error_q;
           Tests:       T1 T2 T3 
183        1/1              pending_tlul_error_d = 1'b0;
           Tests:       T1 T2 T3 
184        1/1              fsm_err_o = 1'b0;
           Tests:       T1 T2 T3 
185                     
186        1/1              unique case (state_q)
           Tests:       T1 T2 T3 
187                           ///////////////////////////////////////////////////////////////////
188                           // State right after reset. Wait here until we get a an
189                           // initialization request.
190                           ResetSt: begin
191        1/1                  if (init_req_i) begin
           Tests:       T1 T2 T3 
192                               // If the partition does not have a digest, no initialization is necessary.
193        1/1                    if (Info.sw_digest) begin
           Tests:       T1 T2 T3 
194        1/1                      state_d = InitSt;
           Tests:       T1 T2 T3 
195                               end else begin
196        unreachable              state_d = IdleSt;
197                               end
198                             end
                        MISSING_ELSE
199                           end
200                           ///////////////////////////////////////////////////////////////////
201                           // Initialization reads out the digest only in unbuffered
202                           // partitions. Wait here until the OTP request has been granted.
203                           // And then wait until the OTP word comes back.
204                           InitSt: begin
205        1/1                  otp_req_o = 1'b1;
           Tests:       T1 T2 T3 
206        1/1                  if (otp_gnt_i) begin
           Tests:       T1 T2 T3 
207        1/1                    state_d = InitWaitSt;
           Tests:       T1 T2 T3 
208                             end
                        MISSING_ELSE
209                           end
210                           ///////////////////////////////////////////////////////////////////
211                           // Wait for OTP response and write to digest buffer register. In
212                           // case an OTP transaction fails, latch the  OTP error code and
213                           // jump to a terminal error state.
214                           InitWaitSt: begin
215        1/1                  if (otp_rvalid_i) begin
           Tests:       T1 T2 T3 
216        1/1                    digest_reg_en = 1'b1;
           Tests:       T1 T2 T3 
217        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T1 T2 T3 
218        1/1                      state_d = IdleSt;
           Tests:       T1 T2 T3 
219                                 // At this point the only error that we could have gotten are correctable ECC errors.
220        1/1                      if (otp_err != NoError) begin
           Tests:       T1 T2 T3 
221        1/1                        error_d = MacroEccCorrError;
           Tests:       T33 T153 T154 
222                                 end
                        MISSING_ELSE
223                               end else begin
224        1/1                      state_d = ErrorSt;
           Tests:       T2 T104 T117 
225        1/1                      error_d = otp_err;
           Tests:       T2 T104 T117 
226                               end
227                             end
                        MISSING_ELSE
228                           end
229                           ///////////////////////////////////////////////////////////////////
230                           // Wait for TL-UL requests coming in.
231                           // Then latch address and go to readout state.
232                           IdleSt: begin
233        1/1                  init_done_o = 1'b1;
           Tests:       T1 T2 T3 
234        1/1                  if (tlul_req_i) begin
           Tests:       T1 T2 T3 
235        1/1                    error_d = NoError; // clear recoverable soft errors.
           Tests:       T2 T4 T5 
236        1/1                    state_d = ReadSt;
           Tests:       T2 T4 T5 
237        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T2 T4 T5 
238                             end
                        MISSING_ELSE
239                           end
240                           ///////////////////////////////////////////////////////////////////
241                           // If the address is out of bounds, or if the partition is
242                           // locked, signal back a bus error. Note that such an error does
243                           // not cause the partition to go into error state. Otherwise if
244                           // these checks pass, an OTP word is requested.
245                           ReadSt: begin
246        1/1                  init_done_o = 1'b1;
           Tests:       T2 T4 T5 
247                             // Double check the address range.
248        1/1                  if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
           Tests:       T2 T4 T5 
249        1/1                    otp_req_o = 1'b1;
           Tests:       T2 T4 T5 
250        1/1                    otp_addr_sel = DataAddrSel;
           Tests:       T2 T4 T5 
251        1/1                    if (otp_gnt_i) begin
           Tests:       T2 T4 T5 
252        1/1                      state_d = ReadWaitSt;
           Tests:       T2 T4 T5 
253                               end
                        MISSING_ELSE
254                             end else begin
255        1/1                    state_d = IdleSt;
           Tests:       T12 T102 T19 
256        1/1                    error_d = AccessError; // Signal this error, but do not go into terminal error state.
           Tests:       T12 T102 T19 
257        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T12 T102 T19 
258        1/1                    tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
           Tests:       T12 T102 T19 
259                             end
260                           end
261                           ///////////////////////////////////////////////////////////////////
262                           // Wait for OTP response and release the TL-UL response. In
263                           // case an OTP transaction fails, latch the OTP error code,
264                           // signal a TL-Ul bus error and jump to a terminal error state.
265                           ReadWaitSt: begin
266        1/1                  init_done_o = 1'b1;
           Tests:       T2 T4 T5 
267        1/1                  if (otp_rvalid_i) begin
           Tests:       T2 T4 T5 
268        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T2 T4 T5 
269        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T2 T4 T5 
270        1/1                      state_d = IdleSt;
           Tests:       T2 T4 T5 
271                                 // At this point the only error that we could have gotten are correctable ECC errors.
272        1/1                      if (otp_err != NoError) begin
           Tests:       T2 T4 T5 
273        1/1                        error_d = MacroEccCorrError;
           Tests:       T5 T40 T155 
274                                 end
                        MISSING_ELSE
275                               end else begin
276        1/1                      state_d = ErrorSt;
           Tests:       T155 T156 T157 
277        1/1                      error_d = otp_err;
           Tests:       T155 T156 T157 
278                                 // This causes the TL-UL adapter to return a bus error.
279        1/1                      tlul_rerror_o = 2'b11;
           Tests:       T155 T156 T157 
280                               end
281                             end
                        MISSING_ELSE
282                           end
283                           ///////////////////////////////////////////////////////////////////
284                           // Terminal Error State. This locks access to the partition.
285                           // Make sure the partition signals an error state if no error
286                           // code has been latched so far.
287                           ErrorSt: begin
288        1/1                  if (error_q == NoError) begin
           Tests:       T2 T4 T5 
289        1/1                    error_d = FsmStateError;
           Tests:       T26 T27 T28 
290                             end
                        MISSING_ELSE
291                     
292                             // Return bus errors if there are pending TL-UL requests.
293        1/1                  if (pending_tlul_error_q) begin
           Tests:       T2 T4 T5 
294        1/1                    tlul_rerror_o = 2'b11;
           Tests:       T4 T101 T102 
295        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T4 T101 T102 
296        1/1                  end else if (tlul_req_i) begin
           Tests:       T2 T4 T5 
297        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T4 T101 T102 
298        1/1                    pending_tlul_error_d = 1'b1;
           Tests:       T4 T101 T102 
299                             end
                        MISSING_ELSE
300                           end
301                           ///////////////////////////////////////////////////////////////////
302                           // We should never get here. If we do (e.g. via a malicious
303                           // glitch), error out immediately.
304                           default: begin
305                             state_d = ErrorSt;
306                             fsm_err_o = 1'b1;
307                           end
308                           ///////////////////////////////////////////////////////////////////
309                         endcase // state_q
310                     
311                         // Unconditionally jump into the terminal error state in case of
312                         // an ECC error or escalation, and lock access to the partition down.
313                         // SEC_CM: PART.FSM.LOCAL_ESC
314        1/1              if (ecc_err) begin
           Tests:       T1 T2 T3 
315        1/1                state_d = ErrorSt;
           Tests:       T109 T110 
316        1/1                if (state_q != ErrorSt) begin
           Tests:       T109 T110 
317        1/1                  error_d = CheckFailError;
           Tests:       T109 T110 
318                           end
                        MISSING_ELSE
319                         end
                        MISSING_ELSE
320                         // SEC_CM: PART.FSM.GLOBAL_ESC
321        1/1              if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
           Tests:       T1 T2 T3 
322        1/1                state_d = ErrorSt;
           Tests:       T2 T4 T5 
323        1/1                fsm_err_o = 1'b1;
           Tests:       T2 T4 T5 
324        1/1                if (state_q != ErrorSt) begin
           Tests:       T2 T4 T5 
325        1/1                  error_d = FsmStateError;
           Tests:       T4 T5 T101 
326                           end
                        MISSING_ELSE
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       ///////////////////////////////////
331                       // Signals to/from TL-UL Adapter //
332                       ///////////////////////////////////
333                     
334        1/1            assign tlul_addr_d  = tlul_addr_i;
           Tests:       T1 T2 T3 
335                       // Do not forward data in case of an error.
336        1/1            assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
           Tests:       T1 T2 T3 
337                     
338                       if (Info.offset == 0) begin : gen_zero_offset
339                         assign tlul_addr_in_range = {1'b0, tlul_addr_q, 2'b00} < PartEnd;
340                     
341                       end else begin : gen_nonzero_offset
342        1/1              assign tlul_addr_in_range = {tlul_addr_q, 2'b00} >= Info.offset &&
           Tests:       T1 T2 T3 
343                                                     {1'b0, tlul_addr_q, 2'b00} < PartEnd;
344                       end
345                     
346                       // Note that OTP works on halfword (16bit) addresses, hence need to
347                       // shift the addresses appropriately.
348                       logic [OtpByteAddrWidth-1:0] addr_calc;
349        1/1            assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
           Tests:       T1 T2 T3 
350        1/1            assign otp_addr_o = addr_calc[OtpByteAddrWidth-1:OtpAddrShift];
           Tests:       T1 T2 T3 
351                     
352                       if (OtpAddrShift > 0) begin : gen_unused
353                         logic unused_bits;
354        1/1              assign unused_bits = ^addr_calc[OtpAddrShift-1:0];
           Tests:       T1 T2 T3 
355                       end
356                     
357                       // Request 32bit except in case of the digest.
358        1/1            assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
           Tests:       T1 T2 T3 
359                                           OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1)) :
360                                           OtpSizeWidth'(unsigned'(32 / OtpWidth - 1));
361                     
362                       ////////////////
363                       // Digest Reg //
364                       ////////////////
365                     
366                       if (Info.sw_digest) begin : gen_ecc_reg
367                         // SEC_CM: PART.DATA_REG.INTEGRITY
368                         otp_ctrl_ecc_reg #(
369                           .Width ( ScrmblBlockWidth ),
370                           .Depth ( 1                )
371                         ) u_otp_ctrl_ecc_reg (
372                           .clk_i,
373                           .rst_ni,
374                           .wren_i    ( digest_reg_en ),
375                           .addr_i    ( '0            ),
376                           .wdata_i   ( otp_rdata_i   ),
377                           .rdata_o   (               ),
378                           .data_o    ( digest_o      ),
379                           .ecc_err_o ( ecc_err       )
380                         );
381                       end else begin : gen_no_ecc_reg
382                         logic unused_digest_reg_en;
383                         logic unused_rdata;
384                         assign unused_digest_reg_en = digest_reg_en;
385                         assign unused_rdata = ^otp_rdata_i[32 +: 32]; // Upper word is not connected in this case.
386                         assign digest_o = '0;
387                         assign ecc_err = 1'b0;
388                       end
389                     
390                       ////////////////////////
391                       // DAI Access Control //
392                       ////////////////////////
393                     
394                       mubi8_t init_locked;
395        1/1            assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
396                     
397                       // Aggregate all possible DAI write locks. The partition is also locked when uninitialized.
398                       // Note that the locks are redundantly encoded values.
399                       part_access_t access_pre;
400                       prim_mubi8_sender #(
401                         .AsyncOn(0)
402                       ) u_prim_mubi8_sender_write_lock_pre (
403                         .clk_i,
404                         .rst_ni,
405                         .mubi_i(mubi8_and_lo(init_locked, access_i.write_lock)),
406                         .mubi_o(access_pre.write_lock)
407                       );
408                       prim_mubi8_sender #(
409                         .AsyncOn(0)
410                       ) u_prim_mubi8_sender_read_lock_pre (
411                         .clk_i,
412                         .rst_ni,
413                         .mubi_i(mubi8_and_lo(init_locked, access_i.read_lock)),
414                         .mubi_o(access_pre.read_lock)
415                       );
416                     
417                       // SEC_CM: PART.MEM.SW_UNWRITABLE
418                       if (Info.write_lock) begin : gen_digest_write_lock
419                         mubi8_t digest_locked;
420        1/1              assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
421                     
422                         // This prevents the synthesis tool from optimizing the multibit signal.
423                         prim_mubi8_sender #(
424                           .AsyncOn(0)
425                         ) u_prim_mubi8_sender_write_lock (
426                           .clk_i,
427                           .rst_ni,
428                           .mubi_i(mubi8_and_lo(access_pre.write_lock, digest_locked)),
429                           .mubi_o(access_o.write_lock)
430                         );
431                     
432                         `ASSERT(DigestWriteLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.write_lock))
433                       end else begin : gen_no_digest_write_lock
434                         assign access_o.write_lock = access_pre.write_lock;
435                       end
436                     
437                       // SEC_CM: PART.MEM.SW_UNREADABLE
438                       if (Info.read_lock) begin : gen_digest_read_lock
439                         mubi8_t digest_locked;
440                         assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
441                     
442                         // This prevents the synthesis tool from optimizing the multibit signal.
443                         prim_mubi8_sender #(
444                           .AsyncOn(0)
445                         ) u_prim_mubi8_sender_read_lock (
446                           .clk_i,
447                           .rst_ni,
448                           .mubi_i(mubi8_and_lo(access_pre.read_lock, digest_locked)),
449                           .mubi_o(access_o.read_lock)
450                         );
451                     
452                         `ASSERT(DigestReadLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.read_lock))
453                       end else begin : gen_no_digest_read_lock
454        1/1              assign access_o.read_lock = access_pre.read_lock;
           Tests:       T1 T2 T3 
455                       end
456                     
457                       ///////////////
458                       // Registers //
459                       ///////////////
460                     
461        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):
461.1                   `ifdef SIMULATION                                   
461.2                       prim_sparse_fsm_flop #(                           
461.3                         .StateEnumT(state_e),                            
461.4                         .Width($bits(state_e)),                          
461.5                         .ResetValue($bits(state_e)'(ResetSt)),          
461.6                         .EnableAlertTriggerSVA(1), 
461.7                         .CustomForceName("state_q")          
461.8                       ) u_state_regs (                                        
461.9                         .clk_i   ( clk_i   ),                           
461.10                        .rst_ni  ( rst_ni ),                           
461.11                        .state_i ( state_d     ),                           
461.12                        .state_o (         )                            
461.13                      );                                                
461.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
461.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
461.16     1/1                state_q <= ResetSt;                                
           Tests:       T1 T2 T3 
461.17                      end else begin                                    
461.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
461.19                      end                                               
461.20                    end  
461.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
461.22                      else begin                                                                           
461.23                        `ifdef UVM                                                                               
461.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
461.25                                              "../src/lowrisc_ip_otp_ctrl_1.0/rtl/otp_ctrl_part_unbuf.sv", 461, "", 1);                                
461.26                  `else                                                                                    
461.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
461.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
461.29                  `endif                                                              
461.30                      end 
461.31                    `else                                               
461.32                      prim_sparse_fsm_flop #(                           
461.33                        .StateEnumT(state_e),                            
461.34                        .Width($bits(state_e)),                          
461.35                        .ResetValue($bits(state_e)'(ResetSt)),          
461.36                        .EnableAlertTriggerSVA(1)  
461.37                      ) u_state_regs (                                        
461.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
461.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
461.40                        .state_i ( state_d     ),                           
461.41                        .state_o ( state_q     )                            
461.42                      );                                                
461.43                    `endif462                     
463                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_regs
464        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
465        1/1                error_q              <= NoError;
           Tests:       T1 T2 T3 
466        1/1                tlul_addr_q          <= '0;
           Tests:       T1 T2 T3 
467        1/1                pending_tlul_error_q <= 1'b0;
           Tests:       T1 T2 T3 
468                         end else begin
469        1/1                error_q              <= error_d;
           Tests:       T1 T2 T3 
470        1/1                pending_tlul_error_q <= pending_tlul_error_d;
           Tests:       T1 T2 T3 
471        1/1                if (tlul_gnt_o) begin
           Tests:       T1 T2 T3 
472        1/1                  tlul_addr_q <= tlul_addr_d;
           Tests:       T2 T4 T5 
473                           end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

	Total	Covered	Percent
Conditions	33	33	100.00
Logical	33	33	100.00
Non-Logical	0	0
Event	0	0

 LINE       220
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T33,T153,T154

 LINE       272
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T6
1	Covered	T5,T40,T155

 LINE       288
 EXPRESSION (error_q == NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T26,T27,T28

 LINE       316
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T109,T110
1	Covered	T109,T110

 LINE       324
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T4,T5,T101

 LINE       336
 EXPRESSION ((tlul_rvalid_o && (tlul_rerror_o == '0)) ? otp_rdata_i[31:0] : '0)
             --------------------1-------------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T4,T5

 LINE       336
 SUB-EXPRESSION (tlul_rvalid_o && (tlul_rerror_o == '0))
                 ------1------    ----------2----------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T4,T12,T101
1	1	Covered	T2,T4,T5

 LINE       336
 SUB-EXPRESSION (tlul_rerror_o == '0)
                ----------1----------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       342
 EXPRESSION (({tlul_addr_q, 2'b0} >= 11'b00001000000) && ({1'b0, tlul_addr_q, 2'b0} < PartEnd))
             --------------------1-------------------    ------------------2------------------

-1-	-2-	Status	Tests	Exclude Annotation
0	1	Covered	T1,T2,T3
1	0	Excluded		VC_COV_UNR
1	1	Covered	T2,T4,T5

 LINE       349
 EXPRESSION ((otp_addr_sel == DigestAddrSel) ? DigestOffset : ({tlul_addr_q, 2'b0}))
             ---------------1---------------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T1,T2,T3

 LINE       349
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       358
 EXPRESSION 
 Number  Term
      1  (otp_addr_sel == DigestAddrSel) ? (2'((unsigned'(((otp_ctrl_pkg::ScrmblBlockWidth / otp_ctrl_pkg::OtpWidth) - 1))))) : (2'((unsigned'(((32 / otp_ctrl_pkg::OtpWidth) - 1))))))

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T1,T2,T3

 LINE       358
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       395
 EXPRESSION (((~init_done_o)) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       420
 EXPRESSION ((digest_o != '0) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T4,T12

 LINE       420
 SUB-EXPRESSION (digest_o != '0)
                --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T4,T12

---

FSM Coverage for Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

Summary for FSM :: state_q

	Total	Covered	Percent
States	7	7	100.00	(Not included in score)
Transitions	13	12	92.31
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
ErrorSt	224	Covered	T2,T4,T5
IdleSt	196	Covered	T1,T2,T3
InitSt	194	Covered	T1,T2,T3
InitWaitSt	207	Covered	T1,T2,T3
ReadSt	236	Covered	T2,T4,T5
ReadWaitSt	252	Covered	T2,T4,T5
ResetSt	190	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
IdleSt->ErrorSt	315	Covered	T4,T5,T101
IdleSt->ReadSt	236	Covered	T2,T4,T5
InitSt->ErrorSt	315	Covered	T198,T199,T200
InitSt->InitWaitSt	207	Covered	T1,T2,T3
InitWaitSt->ErrorSt	224	Covered	T2,T104,T117
InitWaitSt->IdleSt	218	Covered	T1,T2,T3
ReadSt->ErrorSt	315	Not Covered
ReadSt->IdleSt	255	Covered	T12,T102,T19
ReadSt->ReadWaitSt	252	Covered	T2,T4,T5
ReadWaitSt->ErrorSt	276	Covered	T155,T156,T157
ReadWaitSt->IdleSt	270	Covered	T2,T4,T5
ResetSt->ErrorSt	315	Covered	T109,T110,T111
ResetSt->IdleSt	196	Excluded		VC_COV_UNR
ResetSt->InitSt	194	Covered	T1,T2,T3

Summary for FSM :: error_q

	Total	Covered	Percent
States	5	5	100.00	(Not included in score)
Transitions	11	10	90.91
Sequences	0	0

State, Transition and Sequence Details for FSM :: error_q

---

states	Line No.	Covered	Tests
AccessError	256	Covered	T12,T102,T19
CheckFailError	317	Covered	T109,T110
FsmStateError	289	Covered	T4,T5,T101
MacroEccCorrError	221	Covered	T5,T40,T155
NoError	235	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
AccessError->CheckFailError	317	Excluded		VC_COV_UNR
AccessError->FsmStateError	325	Covered	T9,T170,T190
AccessError->MacroEccCorrError	221	Excluded		VC_COV_UNR
AccessError->NoError	235	Covered	T12,T102,T19
CheckFailError->AccessError	256	Excluded		VC_COV_UNR
CheckFailError->FsmStateError	325	Excluded		VC_COV_UNR
CheckFailError->MacroEccCorrError	221	Excluded		VC_COV_UNR
CheckFailError->NoError	235	Covered	T109,T110
FsmStateError->AccessError	256	Excluded		VC_COV_UNR
FsmStateError->CheckFailError	317	Excluded		VC_COV_UNR
FsmStateError->MacroEccCorrError	221	Excluded		VC_COV_UNR
FsmStateError->NoError	235	Covered	T4,T5,T101
MacroEccCorrError->AccessError	256	Excluded		VC_COV_UNR
MacroEccCorrError->CheckFailError	317	Not Covered
MacroEccCorrError->FsmStateError	325	Covered	T5,T155,T33
MacroEccCorrError->NoError	235	Covered	T40,T52,T41
NoError->AccessError	256	Covered	T12,T102,T19
NoError->CheckFailError	317	Covered	T109,T110
NoError->FsmStateError	289	Covered	T4,T5,T101
NoError->MacroEccCorrError	221	Covered	T5,T40,T155

---

Branch Coverage for Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
Branches		44	44	100.00
TERNARY	336	2	2	100.00
TERNARY	349	2	2	100.00
TERNARY	358	2	2	100.00
TERNARY	395	2	2	100.00
TERNARY	420	2	2	100.00
CASE	186	23	23	100.00
IF	314	3	3	100.00
IF	321	3	3	100.00
IF	461	2	2	100.00
IF	464	3	3	100.00

336          assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
                                                                          -1-  
                                                                          ==>  
                                                                          ==>  

Branches:

-1-	Status	Tests
1	Covered	T2,T4,T5
0	Covered	T1,T2,T3

349          assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
                                                                -1-  
                                                                ==>  
                                                                ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T4,T5

358          assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
                                                                 -1-  
                                                                 ==>  
                                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T4,T5

395          assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
                                                 -1-  
                                                 ==>  
                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

420            assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
                                                       -1-  
                                                       ==>  
                                                       ==>  

Branches:

-1-	Status	Tests
1	Covered	T2,T4,T12
0	Covered	T1,T2,T3

186            unique case (state_q)
                      -1-  
187              ///////////////////////////////////////////////////////////////////
188              // State right after reset. Wait here until we get a an
189              // initialization request.
190              ResetSt: begin
191                if (init_req_i) begin
                   -2-  
192                  // If the partition does not have a digest, no initialization is necessary.
193                  if (Info.sw_digest) begin
                     -3-  
194                    state_d = InitSt;
                       ==>
195                  end else begin
196                    state_d = IdleSt;
                       ==> (Unreachable)
197                  end
198                end
                   MISSING_ELSE
                   ==>
199              end
200              ///////////////////////////////////////////////////////////////////
201              // Initialization reads out the digest only in unbuffered
202              // partitions. Wait here until the OTP request has been granted.
203              // And then wait until the OTP word comes back.
204              InitSt: begin
205                otp_req_o = 1'b1;
206                if (otp_gnt_i) begin
                   -4-  
207                  state_d = InitWaitSt;
                     ==>
208                end
                   MISSING_ELSE
                   ==>
209              end
210              ///////////////////////////////////////////////////////////////////
211              // Wait for OTP response and write to digest buffer register. In
212              // case an OTP transaction fails, latch the  OTP error code and
213              // jump to a terminal error state.
214              InitWaitSt: begin
215                if (otp_rvalid_i) begin
                   -5-  
216                  digest_reg_en = 1'b1;
217                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -6-  
218                    state_d = IdleSt;
219                    // At this point the only error that we could have gotten are correctable ECC errors.
220                    if (otp_err != NoError) begin
                       -7-  
221                      error_d = MacroEccCorrError;
                         ==>
222                    end
                       MISSING_ELSE
                       ==>
223                  end else begin
224                    state_d = ErrorSt;
                       ==>
225                    error_d = otp_err;
226                  end
227                end
                   MISSING_ELSE
                   ==>
228              end
229              ///////////////////////////////////////////////////////////////////
230              // Wait for TL-UL requests coming in.
231              // Then latch address and go to readout state.
232              IdleSt: begin
233                init_done_o = 1'b1;
234                if (tlul_req_i) begin
                   -8-  
235                  error_d = NoError; // clear recoverable soft errors.
                     ==>
236                  state_d = ReadSt;
237                  tlul_gnt_o = 1'b1;
238                end
                   MISSING_ELSE
                   ==>
239              end
240              ///////////////////////////////////////////////////////////////////
241              // If the address is out of bounds, or if the partition is
242              // locked, signal back a bus error. Note that such an error does
243              // not cause the partition to go into error state. Otherwise if
244              // these checks pass, an OTP word is requested.
245              ReadSt: begin
246                init_done_o = 1'b1;
247                // Double check the address range.
248                if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
                   -9-  
249                  otp_req_o = 1'b1;
250                  otp_addr_sel = DataAddrSel;
251                  if (otp_gnt_i) begin
                     -10-  
252                    state_d = ReadWaitSt;
                       ==>
253                  end
                     MISSING_ELSE
                     ==>
254                end else begin
255                  state_d = IdleSt;
                     ==>
256                  error_d = AccessError; // Signal this error, but do not go into terminal error state.
257                  tlul_rvalid_o = 1'b1;
258                  tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
259                end
260              end
261              ///////////////////////////////////////////////////////////////////
262              // Wait for OTP response and release the TL-UL response. In
263              // case an OTP transaction fails, latch the OTP error code,
264              // signal a TL-Ul bus error and jump to a terminal error state.
265              ReadWaitSt: begin
266                init_done_o = 1'b1;
267                if (otp_rvalid_i) begin
                   -11-  
268                  tlul_rvalid_o = 1'b1;
269                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -12-  
270                    state_d = IdleSt;
271                    // At this point the only error that we could have gotten are correctable ECC errors.
272                    if (otp_err != NoError) begin
                       -13-  
273                      error_d = MacroEccCorrError;
                         ==>
274                    end
                       MISSING_ELSE
                       ==>
275                  end else begin
276                    state_d = ErrorSt;
                       ==>
277                    error_d = otp_err;
278                    // This causes the TL-UL adapter to return a bus error.
279                    tlul_rerror_o = 2'b11;
280                  end
281                end
                   MISSING_ELSE
                   ==>
282              end
283              ///////////////////////////////////////////////////////////////////
284              // Terminal Error State. This locks access to the partition.
285              // Make sure the partition signals an error state if no error
286              // code has been latched so far.
287              ErrorSt: begin
288                if (error_q == NoError) begin
                   -14-  
289                  error_d = FsmStateError;
                     ==>
290                end
                   MISSING_ELSE
                   ==>
291        
292                // Return bus errors if there are pending TL-UL requests.
293                if (pending_tlul_error_q) begin
                   -15-  
294                  tlul_rerror_o = 2'b11;
                     ==>
295                  tlul_rvalid_o = 1'b1;
296                end else if (tlul_req_i) begin
                            -16-  
297                  tlul_gnt_o = 1'b1;
                     ==>
298                  pending_tlul_error_d = 1'b1;
299                end
                   MISSING_ELSE
                   ==>
300              end
301              ///////////////////////////////////////////////////////////////////
302              // We should never get here. If we do (e.g. via a malicious
303              // glitch), error out immediately.
304              default: begin
305                state_d = ErrorSt;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests
ResetSt	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ResetSt	1	0	-	-	-	-	-	-	-	-	-	-	-	-	-	Unreachable
ResetSt	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitWaitSt	-	-	-	1	1	1	-	-	-	-	-	-	-	-	-	Covered	T33,T153,T154
InitWaitSt	-	-	-	1	1	0	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitWaitSt	-	-	-	1	0	-	-	-	-	-	-	-	-	-	-	Covered	T2,T104,T117
InitWaitSt	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
IdleSt	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	Covered	T2,T4,T5
IdleSt	-	-	-	-	-	-	0	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ReadSt	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	Covered	T2,T4,T5
ReadSt	-	-	-	-	-	-	-	1	0	-	-	-	-	-	-	Covered	T12,T125,T132
ReadSt	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Covered	T12,T102,T19
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	1	-	-	-	Covered	T5,T40,T155
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	0	-	-	-	Covered	T2,T4,T6
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	0	-	-	-	-	Covered	T155,T156,T157
ReadWaitSt	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T2,T4,T5
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	Covered	T26,T27,T28
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	0	-	-	Covered	T2,T4,T5
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	Covered	T4,T101,T102
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	1	Covered	T4,T101,T102
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	Covered	T2,T4,T5
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T26,T27,T28

314            if (ecc_err) begin
               -1-  
315              state_d = ErrorSt;
316              if (state_q != ErrorSt) begin
                 -2-  
317                error_d = CheckFailError;
                   ==>
318              end
                 MISSING_ELSE
                 ==>
319            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T109,T110
1	0	Covered	T109,T110
0	-	Covered	T1,T2,T3

321            if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
               -1-  
322              state_d = ErrorSt;
323              fsm_err_o = 1'b1;
324              if (state_q != ErrorSt) begin
                 -2-  
325                error_d = FsmStateError;
                   ==>
326              end
                 MISSING_ELSE
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T4,T5,T101
1	0	Covered	T2,T4,T5
0	-	Covered	T1,T2,T3

461          `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

464            if (!rst_ni) begin
               -1-  
465              error_q              <= NoError;
                 ==>
466              tlul_addr_q          <= '0;
467              pending_tlul_error_q <= 1'b0;
468            end else begin
469              error_q              <= error_d;
470              pending_tlul_error_q <= pending_tlul_error_d;
471              if (tlul_gnt_o) begin
                 -2-  
472                tlul_addr_q <= tlul_addr_d;
                   ==>
473              end
                 MISSING_ELSE
                 ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T2,T4,T5
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.gen_partitions[1].gen_unbuffered.u_part_unbuf

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	26	26	100.00	26	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	26	26	100.00	26	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AccessKnown_A	88289748	87463934	0	0
DigestKnown_A	88289748	87463934	0	0
DigestOffsetMustBeRepresentable_A	1126	1126	0	0
EccErrorState_A	88289748	7386	0	0
ErrorKnown_A	88289748	87463934	0	0
FsmStateKnown_A	88289748	87463934	0	0
InitDoneKnown_A	88289748	87463934	0	0
InitReadLocksPartition_A	88289748	17596506	0	0
InitWriteLocksPartition_A	88289748	17596506	0	0
OffsetMustBeBlockAligned_A	1126	1126	0	0
OtpAddrKnown_A	88289748	87463934	0	0
OtpCmdKnown_A	88289748	87463934	0	0
OtpErrorState_A	88289748	60	0	0
OtpReqKnown_A	88289748	87463934	0	0
OtpSizeKnown_A	88289748	87463934	0	0
OtpWdataKnown_A	88289748	87463934	0	0
ReadLockPropagation_A	88289748	17862945	0	0
SizeMustBeBlockAligned_A	1126	1126	0	0
TlulGntKnown_A	88289748	87463934	0	0
TlulRdataKnown_A	88289748	87463934	0	0
TlulReadOnReadLock_A	88289748	6523	0	0
TlulRerrorKnown_A	88289748	87463934	0	0
TlulRvalidKnown_A	88289748	87463934	0	0
WriteLockPropagation_A	88289748	2256421	0	0
gen_digest_write_lock.DigestWriteLocksPartition_A	88289748	28267338	0	0
u_state_regs_A	88289748	87463934	0	0

AccessKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestOffsetMustBeRepresentable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

EccErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	7386	0	0
T38	66291	0	0	0
T109	12720	3743	0	0
T110	0	3643	0	0
T175	110852	0	0	0
T176	151426	0	0	0
T177	23626	0	0	0
T178	39885	0	0	0
T179	25803	0	0	0
T180	17661	0	0	0
T181	87397	0	0	0
T182	6096	0	0	0

ErrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

FsmStateKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitDoneKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitReadLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17596506	0	0
T1	4656	80	0	0
T2	10141	3244	0	0
T3	15504	185	0	0
T4	12189	2190	0	0
T5	17675	2100	0	0
T6	21031	4096	0	0
T10	7207	724	0	0
T11	38076	133	0	0
T12	45463	3768	0	0
T13	13068	452	0	0

InitWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17596506	0	0
T1	4656	80	0	0
T2	10141	3244	0	0
T3	15504	185	0	0
T4	12189	2190	0	0
T5	17675	2100	0	0
T6	21031	4096	0	0
T10	7207	724	0	0
T11	38076	133	0	0
T12	45463	3768	0	0
T13	13068	452	0	0

OffsetMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

OtpAddrKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpCmdKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	60	0	0
T2	10141	1	0	0
T3	15504	0	0	0
T4	12189	0	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	0	0	0
T13	13068	0	0	0
T104	14461	1	0	0
T117	0	1	0	0
T155	0	1	0	0
T156	0	1	0	0
T157	0	1	0	0
T169	0	1	0	0
T183	0	1	0	0
T184	0	1	0	0
T185	0	1	0	0

OtpReqKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpSizeKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpWdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

ReadLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17862945	0	0
T12	45463	2210	0	0
T13	13068	1090	0	0
T17	77151	5259	0	0
T19	0	20459	0	0
T37	0	1510	0	0
T93	91589	3025	0	0
T96	0	2723	0	0
T97	30986	0	0	0
T98	37909	1438	0	0
T101	14706	0	0	0
T102	0	2307	0	0
T104	14461	0	0	0
T105	0	1871	0	0
T127	59995	0	0	0
T128	14105	0	0	0

SizeMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

TlulGntKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulReadOnReadLock_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	6523	0	0
T4	12189	4	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	1	0	0
T13	13068	0	0	0
T17	77151	0	0	0
T19	0	6	0	0
T37	0	2	0	0
T101	0	1	0	0
T102	0	7	0	0
T104	14461	0	0	0
T120	0	14	0	0
T121	0	13	0	0
T122	0	8	0	0
T127	59995	0	0	0
T129	0	15	0	0

TlulRerrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

WriteLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	2256421	0	0
T12	45463	1075	0	0
T13	13068	0	0	0
T17	77151	14541	0	0
T19	0	11070	0	0
T93	91589	6609	0	0
T96	0	2075	0	0
T97	30986	0	0	0
T98	37909	0	0	0
T101	14706	0	0	0
T102	0	3959	0	0
T104	14461	0	0	0
T120	0	3099	0	0
T122	0	6485	0	0
T123	0	7122	0	0
T124	0	987	0	0
T127	59995	0	0	0
T128	14105	0	0	0

gen_digest_write_lock.DigestWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	28267338	0	0
T2	10141	2485	0	0
T3	15504	0	0	0
T4	12189	5931	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	33477	0	0
T13	13068	7796	0	0
T17	0	49723	0	0
T93	0	82054	0	0
T98	0	11182	0	0
T102	0	17408	0	0
T104	14461	3880	0	0
T117	0	3391	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

Line Coverage for Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
TOTAL		91	91	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	149	1	1	100.00
ALWAYS	164	68	68	100.00
CONT_ASSIGN	334	1	1	100.00
CONT_ASSIGN	336	1	1	100.00
CONT_ASSIGN	342	1	1	100.00
CONT_ASSIGN	349	1	1	100.00
CONT_ASSIGN	350	1	1	100.00
CONT_ASSIGN	354	1	1	100.00
CONT_ASSIGN	358	1	1	100.00
CONT_ASSIGN	395	1	1	100.00
CONT_ASSIGN	420	1	1	100.00
CONT_ASSIGN	454	1	1	100.00
ALWAYS	461	3	3	100.00
ALWAYS	464	8	8	100.00

137                       // Output partition error state.
138        1/1            assign error_o = error_q;
           Tests:       T1 T2 T3 
139                     
140                       // This partition cannot do any write accesses, hence we tie this
141                       // constantly off.
142                       assign otp_wdata_o = '0;
143                       // Depending on the partition configuration, the wrapper is instructed to ignore integrity
144                       // calculations and checks. To be on the safe side, the partition filters error responses at this
145                       // point and does not report any integrity errors if integrity is disabled.
146                       otp_err_e otp_err;
147                       if (Info.integrity) begin : gen_integrity
148                         assign otp_cmd_o = prim_otp_pkg::Read;
149        1/1              assign otp_err = otp_err_e'(otp_err_i);
           Tests:       T1 T2 T3 
150                       end else begin : gen_no_integrity
151                         assign otp_cmd_o = prim_otp_pkg::ReadRaw;
152                         always_comb begin
153                           if (otp_err_e'(otp_err_i) inside {MacroEccCorrError, MacroEccUncorrError}) begin
154                             otp_err = NoError;
155                           end else begin
156                             otp_err = otp_err_e'(otp_err_i);
157                           end
158                         end
159                       end
160                     
161                       `ASSERT_KNOWN(FsmStateKnown_A, state_q)
162                       always_comb begin : p_fsm
163                         // Default assignments
164        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
165                     
166                         // Response to init request
167        1/1              init_done_o = 1'b0;
           Tests:       T1 T2 T3 
168                     
169                         // OTP signals
170        1/1              otp_req_o   = 1'b0;
           Tests:       T1 T2 T3 
171        1/1              otp_addr_sel = DigestAddrSel;
           Tests:       T1 T2 T3 
172                     
173                         // TL-UL signals
174        1/1              tlul_gnt_o      = 1'b0;
           Tests:       T1 T2 T3 
175        1/1              tlul_rvalid_o   = 1'b0;
           Tests:       T1 T2 T3 
176        1/1              tlul_rerror_o   = '0;
           Tests:       T1 T2 T3 
177                     
178                         // Enable for buffered digest register
179        1/1              digest_reg_en = 1'b0;
           Tests:       T1 T2 T3 
180                     
181                         // Error Register
182        1/1              error_d = error_q;
           Tests:       T1 T2 T3 
183        1/1              pending_tlul_error_d = 1'b0;
           Tests:       T1 T2 T3 
184        1/1              fsm_err_o = 1'b0;
           Tests:       T1 T2 T3 
185                     
186        1/1              unique case (state_q)
           Tests:       T1 T2 T3 
187                           ///////////////////////////////////////////////////////////////////
188                           // State right after reset. Wait here until we get a an
189                           // initialization request.
190                           ResetSt: begin
191        1/1                  if (init_req_i) begin
           Tests:       T1 T2 T3 
192                               // If the partition does not have a digest, no initialization is necessary.
193        1/1                    if (Info.sw_digest) begin
           Tests:       T1 T2 T3 
194        1/1                      state_d = InitSt;
           Tests:       T1 T2 T3 
195                               end else begin
196        unreachable              state_d = IdleSt;
197                               end
198                             end
                        MISSING_ELSE
199                           end
200                           ///////////////////////////////////////////////////////////////////
201                           // Initialization reads out the digest only in unbuffered
202                           // partitions. Wait here until the OTP request has been granted.
203                           // And then wait until the OTP word comes back.
204                           InitSt: begin
205        1/1                  otp_req_o = 1'b1;
           Tests:       T1 T2 T3 
206        1/1                  if (otp_gnt_i) begin
           Tests:       T1 T2 T3 
207        1/1                    state_d = InitWaitSt;
           Tests:       T1 T2 T3 
208                             end
                        MISSING_ELSE
209                           end
210                           ///////////////////////////////////////////////////////////////////
211                           // Wait for OTP response and write to digest buffer register. In
212                           // case an OTP transaction fails, latch the  OTP error code and
213                           // jump to a terminal error state.
214                           InitWaitSt: begin
215        1/1                  if (otp_rvalid_i) begin
           Tests:       T1 T2 T3 
216        1/1                    digest_reg_en = 1'b1;
           Tests:       T1 T2 T3 
217        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T1 T2 T3 
218        1/1                      state_d = IdleSt;
           Tests:       T1 T2 T3 
219                                 // At this point the only error that we could have gotten are correctable ECC errors.
220        1/1                      if (otp_err != NoError) begin
           Tests:       T1 T2 T3 
221        1/1                        error_d = MacroEccCorrError;
           Tests:       T33 T103 T158 
222                                 end
                        MISSING_ELSE
223                               end else begin
224        1/1                      state_d = ErrorSt;
           Tests:       T159 T160 T161 
225        1/1                      error_d = otp_err;
           Tests:       T159 T160 T161 
226                               end
227                             end
                        MISSING_ELSE
228                           end
229                           ///////////////////////////////////////////////////////////////////
230                           // Wait for TL-UL requests coming in.
231                           // Then latch address and go to readout state.
232                           IdleSt: begin
233        1/1                  init_done_o = 1'b1;
           Tests:       T1 T2 T3 
234        1/1                  if (tlul_req_i) begin
           Tests:       T1 T2 T3 
235        1/1                    error_d = NoError; // clear recoverable soft errors.
           Tests:       T2 T3 T6 
236        1/1                    state_d = ReadSt;
           Tests:       T2 T3 T6 
237        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T2 T3 T6 
238                             end
                        MISSING_ELSE
239                           end
240                           ///////////////////////////////////////////////////////////////////
241                           // If the address is out of bounds, or if the partition is
242                           // locked, signal back a bus error. Note that such an error does
243                           // not cause the partition to go into error state. Otherwise if
244                           // these checks pass, an OTP word is requested.
245                           ReadSt: begin
246        1/1                  init_done_o = 1'b1;
           Tests:       T2 T3 T6 
247                             // Double check the address range.
248        1/1                  if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
           Tests:       T2 T3 T6 
249        1/1                    otp_req_o = 1'b1;
           Tests:       T2 T3 T6 
250        1/1                    otp_addr_sel = DataAddrSel;
           Tests:       T2 T3 T6 
251        1/1                    if (otp_gnt_i) begin
           Tests:       T2 T3 T6 
252        1/1                      state_d = ReadWaitSt;
           Tests:       T2 T3 T6 
253                               end
                        MISSING_ELSE
254                             end else begin
255        1/1                    state_d = IdleSt;
           Tests:       T12 T101 T105 
256        1/1                    error_d = AccessError; // Signal this error, but do not go into terminal error state.
           Tests:       T12 T101 T105 
257        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T12 T101 T105 
258        1/1                    tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
           Tests:       T12 T101 T105 
259                             end
260                           end
261                           ///////////////////////////////////////////////////////////////////
262                           // Wait for OTP response and release the TL-UL response. In
263                           // case an OTP transaction fails, latch the OTP error code,
264                           // signal a TL-Ul bus error and jump to a terminal error state.
265                           ReadWaitSt: begin
266        1/1                  init_done_o = 1'b1;
           Tests:       T2 T3 T6 
267        1/1                  if (otp_rvalid_i) begin
           Tests:       T2 T3 T6 
268        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T2 T3 T6 
269        1/1                    if (otp_err inside {NoError, MacroEccCorrError}) begin
           Tests:       T2 T3 T6 
270        1/1                      state_d = IdleSt;
           Tests:       T2 T3 T6 
271                                 // At this point the only error that we could have gotten are correctable ECC errors.
272        1/1                      if (otp_err != NoError) begin
           Tests:       T2 T3 T6 
273        1/1                        error_d = MacroEccCorrError;
           Tests:       T37 T40 T52 
274                                 end
                        MISSING_ELSE
275                               end else begin
276        1/1                      state_d = ErrorSt;
           Tests:       T157 T162 T163 
277        1/1                      error_d = otp_err;
           Tests:       T157 T162 T163 
278                                 // This causes the TL-UL adapter to return a bus error.
279        1/1                      tlul_rerror_o = 2'b11;
           Tests:       T157 T162 T163 
280                               end
281                             end
                        MISSING_ELSE
282                           end
283                           ///////////////////////////////////////////////////////////////////
284                           // Terminal Error State. This locks access to the partition.
285                           // Make sure the partition signals an error state if no error
286                           // code has been latched so far.
287                           ErrorSt: begin
288        1/1                  if (error_q == NoError) begin
           Tests:       T2 T4 T5 
289        1/1                    error_d = FsmStateError;
           Tests:       T26 T27 T28 
290                             end
                        MISSING_ELSE
291                     
292                             // Return bus errors if there are pending TL-UL requests.
293        1/1                  if (pending_tlul_error_q) begin
           Tests:       T2 T4 T5 
294        1/1                    tlul_rerror_o = 2'b11;
           Tests:       T4 T5 T101 
295        1/1                    tlul_rvalid_o = 1'b1;
           Tests:       T4 T5 T101 
296        1/1                  end else if (tlul_req_i) begin
           Tests:       T2 T4 T5 
297        1/1                    tlul_gnt_o = 1'b1;
           Tests:       T4 T5 T101 
298        1/1                    pending_tlul_error_d = 1'b1;
           Tests:       T4 T5 T101 
299                             end
                        MISSING_ELSE
300                           end
301                           ///////////////////////////////////////////////////////////////////
302                           // We should never get here. If we do (e.g. via a malicious
303                           // glitch), error out immediately.
304                           default: begin
305                             state_d = ErrorSt;
306                             fsm_err_o = 1'b1;
307                           end
308                           ///////////////////////////////////////////////////////////////////
309                         endcase // state_q
310                     
311                         // Unconditionally jump into the terminal error state in case of
312                         // an ECC error or escalation, and lock access to the partition down.
313                         // SEC_CM: PART.FSM.LOCAL_ESC
314        1/1              if (ecc_err) begin
           Tests:       T1 T2 T3 
315        1/1                state_d = ErrorSt;
           Tests:       T109 T164 T152 
316        1/1                if (state_q != ErrorSt) begin
           Tests:       T109 T164 T152 
317        1/1                  error_d = CheckFailError;
           Tests:       T109 T164 T152 
318                           end
                        MISSING_ELSE
319                         end
                        MISSING_ELSE
320                         // SEC_CM: PART.FSM.GLOBAL_ESC
321        1/1              if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
           Tests:       T1 T2 T3 
322        1/1                state_d = ErrorSt;
           Tests:       T2 T4 T5 
323        1/1                fsm_err_o = 1'b1;
           Tests:       T2 T4 T5 
324        1/1                if (state_q != ErrorSt) begin
           Tests:       T2 T4 T5 
325        1/1                  error_d = FsmStateError;
           Tests:       T2 T4 T5 
326                           end
                        MISSING_ELSE
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       ///////////////////////////////////
331                       // Signals to/from TL-UL Adapter //
332                       ///////////////////////////////////
333                     
334        1/1            assign tlul_addr_d  = tlul_addr_i;
           Tests:       T1 T2 T3 
335                       // Do not forward data in case of an error.
336        1/1            assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
           Tests:       T1 T2 T3 
337                     
338                       if (Info.offset == 0) begin : gen_zero_offset
339                         assign tlul_addr_in_range = {1'b0, tlul_addr_q, 2'b00} < PartEnd;
340                     
341                       end else begin : gen_nonzero_offset
342        1/1              assign tlul_addr_in_range = {tlul_addr_q, 2'b00} >= Info.offset &&
           Tests:       T1 T2 T3 
343                                                     {1'b0, tlul_addr_q, 2'b00} < PartEnd;
344                       end
345                     
346                       // Note that OTP works on halfword (16bit) addresses, hence need to
347                       // shift the addresses appropriately.
348                       logic [OtpByteAddrWidth-1:0] addr_calc;
349        1/1            assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
           Tests:       T1 T2 T3 
350        1/1            assign otp_addr_o = addr_calc[OtpByteAddrWidth-1:OtpAddrShift];
           Tests:       T1 T2 T3 
351                     
352                       if (OtpAddrShift > 0) begin : gen_unused
353                         logic unused_bits;
354        1/1              assign unused_bits = ^addr_calc[OtpAddrShift-1:0];
           Tests:       T1 T2 T3 
355                       end
356                     
357                       // Request 32bit except in case of the digest.
358        1/1            assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
           Tests:       T1 T2 T3 
359                                           OtpSizeWidth'(unsigned'(ScrmblBlockWidth / OtpWidth - 1)) :
360                                           OtpSizeWidth'(unsigned'(32 / OtpWidth - 1));
361                     
362                       ////////////////
363                       // Digest Reg //
364                       ////////////////
365                     
366                       if (Info.sw_digest) begin : gen_ecc_reg
367                         // SEC_CM: PART.DATA_REG.INTEGRITY
368                         otp_ctrl_ecc_reg #(
369                           .Width ( ScrmblBlockWidth ),
370                           .Depth ( 1                )
371                         ) u_otp_ctrl_ecc_reg (
372                           .clk_i,
373                           .rst_ni,
374                           .wren_i    ( digest_reg_en ),
375                           .addr_i    ( '0            ),
376                           .wdata_i   ( otp_rdata_i   ),
377                           .rdata_o   (               ),
378                           .data_o    ( digest_o      ),
379                           .ecc_err_o ( ecc_err       )
380                         );
381                       end else begin : gen_no_ecc_reg
382                         logic unused_digest_reg_en;
383                         logic unused_rdata;
384                         assign unused_digest_reg_en = digest_reg_en;
385                         assign unused_rdata = ^otp_rdata_i[32 +: 32]; // Upper word is not connected in this case.
386                         assign digest_o = '0;
387                         assign ecc_err = 1'b0;
388                       end
389                     
390                       ////////////////////////
391                       // DAI Access Control //
392                       ////////////////////////
393                     
394                       mubi8_t init_locked;
395        1/1            assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
396                     
397                       // Aggregate all possible DAI write locks. The partition is also locked when uninitialized.
398                       // Note that the locks are redundantly encoded values.
399                       part_access_t access_pre;
400                       prim_mubi8_sender #(
401                         .AsyncOn(0)
402                       ) u_prim_mubi8_sender_write_lock_pre (
403                         .clk_i,
404                         .rst_ni,
405                         .mubi_i(mubi8_and_lo(init_locked, access_i.write_lock)),
406                         .mubi_o(access_pre.write_lock)
407                       );
408                       prim_mubi8_sender #(
409                         .AsyncOn(0)
410                       ) u_prim_mubi8_sender_read_lock_pre (
411                         .clk_i,
412                         .rst_ni,
413                         .mubi_i(mubi8_and_lo(init_locked, access_i.read_lock)),
414                         .mubi_o(access_pre.read_lock)
415                       );
416                     
417                       // SEC_CM: PART.MEM.SW_UNWRITABLE
418                       if (Info.write_lock) begin : gen_digest_write_lock
419                         mubi8_t digest_locked;
420        1/1              assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
           Tests:       T1 T2 T3 
421                     
422                         // This prevents the synthesis tool from optimizing the multibit signal.
423                         prim_mubi8_sender #(
424                           .AsyncOn(0)
425                         ) u_prim_mubi8_sender_write_lock (
426                           .clk_i,
427                           .rst_ni,
428                           .mubi_i(mubi8_and_lo(access_pre.write_lock, digest_locked)),
429                           .mubi_o(access_o.write_lock)
430                         );
431                     
432                         `ASSERT(DigestWriteLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.write_lock))
433                       end else begin : gen_no_digest_write_lock
434                         assign access_o.write_lock = access_pre.write_lock;
435                       end
436                     
437                       // SEC_CM: PART.MEM.SW_UNREADABLE
438                       if (Info.read_lock) begin : gen_digest_read_lock
439                         mubi8_t digest_locked;
440                         assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
441                     
442                         // This prevents the synthesis tool from optimizing the multibit signal.
443                         prim_mubi8_sender #(
444                           .AsyncOn(0)
445                         ) u_prim_mubi8_sender_read_lock (
446                           .clk_i,
447                           .rst_ni,
448                           .mubi_i(mubi8_and_lo(access_pre.read_lock, digest_locked)),
449                           .mubi_o(access_o.read_lock)
450                         );
451                     
452                         `ASSERT(DigestReadLocksPartition_A, digest_o |-> mubi8_test_true_loose(access_o.read_lock))
453                       end else begin : gen_no_digest_read_lock
454        1/1              assign access_o.read_lock = access_pre.read_lock;
           Tests:       T1 T2 T3 
455                       end
456                     
457                       ///////////////
458                       // Registers //
459                       ///////////////
460                     
461        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):
461.1                   `ifdef SIMULATION                                   
461.2                       prim_sparse_fsm_flop #(                           
461.3                         .StateEnumT(state_e),                            
461.4                         .Width($bits(state_e)),                          
461.5                         .ResetValue($bits(state_e)'(ResetSt)),          
461.6                         .EnableAlertTriggerSVA(1), 
461.7                         .CustomForceName("state_q")          
461.8                       ) u_state_regs (                                        
461.9                         .clk_i   ( clk_i   ),                           
461.10                        .rst_ni  ( rst_ni ),                           
461.11                        .state_i ( state_d     ),                           
461.12                        .state_o (         )                            
461.13                      );                                                
461.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
461.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
461.16     1/1                state_q <= ResetSt;                                
           Tests:       T1 T2 T3 
461.17                      end else begin                                    
461.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
461.19                      end                                               
461.20                    end  
461.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
461.22                      else begin                                                                           
461.23                        `ifdef UVM                                                                               
461.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
461.25                                              "../src/lowrisc_ip_otp_ctrl_1.0/rtl/otp_ctrl_part_unbuf.sv", 461, "", 1);                                
461.26                  `else                                                                                    
461.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
461.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
461.29                  `endif                                                              
461.30                      end 
461.31                    `else                                               
461.32                      prim_sparse_fsm_flop #(                           
461.33                        .StateEnumT(state_e),                            
461.34                        .Width($bits(state_e)),                          
461.35                        .ResetValue($bits(state_e)'(ResetSt)),          
461.36                        .EnableAlertTriggerSVA(1)  
461.37                      ) u_state_regs (                                        
461.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
461.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
461.40                        .state_i ( state_d     ),                           
461.41                        .state_o ( state_q     )                            
461.42                      );                                                
461.43                    `endif462                     
463                       always_ff @(posedge clk_i or negedge rst_ni) begin : p_regs
464        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
465        1/1                error_q              <= NoError;
           Tests:       T1 T2 T3 
466        1/1                tlul_addr_q          <= '0;
           Tests:       T1 T2 T3 
467        1/1                pending_tlul_error_q <= 1'b0;
           Tests:       T1 T2 T3 
468                         end else begin
469        1/1                error_q              <= error_d;
           Tests:       T1 T2 T3 
470        1/1                pending_tlul_error_q <= pending_tlul_error_d;
           Tests:       T1 T2 T3 
471        1/1                if (tlul_gnt_o) begin
           Tests:       T1 T2 T3 
472        1/1                  tlul_addr_q <= tlul_addr_d;
           Tests:       T2 T3 T4 
473                           end
                        MISSING_ELSE

---

Cond Coverage for Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

	Total	Covered	Percent
Conditions	34	33	97.06
Logical	34	33	97.06
Non-Logical	0	0
Event	0	0

 LINE       220
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T33,T103,T158

 LINE       272
 EXPRESSION (otp_err != NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T3,T6
1	Covered	T37,T40,T52

 LINE       288
 EXPRESSION (error_q == NoError)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T26,T27,T28

 LINE       316
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T109,T164,T152
1	Covered	T109,T164,T152

 LINE       324
 EXPRESSION (state_q != ErrorSt)
            ----------1---------

-1-	Status	Tests
0	Covered	T2,T4,T5
1	Covered	T2,T4,T5

 LINE       336
 EXPRESSION ((tlul_rvalid_o && (tlul_rerror_o == '0)) ? otp_rdata_i[31:0] : '0)
             --------------------1-------------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T3,T6

 LINE       336
 SUB-EXPRESSION (tlul_rvalid_o && (tlul_rerror_o == '0))
                 ------1------    ----------2----------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T4,T5,T12
1	1	Covered	T2,T3,T6

 LINE       336
 SUB-EXPRESSION (tlul_rerror_o == '0)
                ----------1----------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       342
 EXPRESSION (({tlul_addr_q, 2'b0} >= 11'b00110110000) && ({1'b0, tlul_addr_q, 2'b0} < PartEnd))
             --------------------1-------------------    ------------------2------------------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Not Covered
1	1	Covered	T2,T3,T4

 LINE       349
 EXPRESSION ((otp_addr_sel == DigestAddrSel) ? DigestOffset : ({tlul_addr_q, 2'b0}))
             ---------------1---------------

-1-	Status	Tests
0	Covered	T2,T3,T6
1	Covered	T1,T2,T3

 LINE       349
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       358
 EXPRESSION 
 Number  Term
      1  (otp_addr_sel == DigestAddrSel) ? (2'((unsigned'(((otp_ctrl_pkg::ScrmblBlockWidth / otp_ctrl_pkg::OtpWidth) - 1))))) : (2'((unsigned'(((32 / otp_ctrl_pkg::OtpWidth) - 1))))))

-1-	Status	Tests
0	Covered	T2,T3,T6
1	Covered	T1,T2,T3

 LINE       358
 SUB-EXPRESSION (otp_addr_sel == DigestAddrSel)
                ---------------1---------------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       395
 EXPRESSION (((~init_done_o)) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T1,T2,T3

 LINE       420
 EXPRESSION ((digest_o != '0) ? MuBi8True : MuBi8False)
             --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T4,T12,T13

 LINE       420
 SUB-EXPRESSION (digest_o != '0)
                --------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T4,T12,T13

---

FSM Coverage for Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

Summary for FSM :: state_q

	Total	Covered	Percent
States	7	7	100.00	(Not included in score)
Transitions	13	12	92.31
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

---

states	Line No.	Covered	Tests
ErrorSt	224	Covered	T2,T4,T5
IdleSt	196	Covered	T1,T2,T3
InitSt	194	Covered	T1,T2,T3
InitWaitSt	207	Covered	T1,T2,T3
ReadSt	236	Covered	T2,T3,T6
ReadWaitSt	252	Covered	T2,T3,T6
ResetSt	190	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
IdleSt->ErrorSt	315	Covered	T4,T5,T101
IdleSt->ReadSt	236	Covered	T2,T3,T6
InitSt->ErrorSt	315	Covered	T198,T199,T200
InitSt->InitWaitSt	207	Covered	T1,T2,T3
InitWaitSt->ErrorSt	224	Covered	T2,T104,T117
InitWaitSt->IdleSt	218	Covered	T1,T2,T3
ReadSt->ErrorSt	315	Not Covered
ReadSt->IdleSt	255	Covered	T12,T101,T105
ReadSt->ReadWaitSt	252	Covered	T2,T3,T6
ReadWaitSt->ErrorSt	276	Covered	T157,T162,T163
ReadWaitSt->IdleSt	270	Covered	T2,T3,T6
ResetSt->ErrorSt	315	Covered	T109,T110,T111
ResetSt->IdleSt	196	Excluded		VC_COV_UNR
ResetSt->InitSt	194	Covered	T1,T2,T3

Summary for FSM :: error_q

	Total	Covered	Percent
States	5	5	100.00	(Not included in score)
Transitions	11	10	90.91
Sequences	0	0

State, Transition and Sequence Details for FSM :: error_q

---

states	Line No.	Covered	Tests
AccessError	256	Covered	T12,T101,T105
CheckFailError	317	Covered	T109,T164,T152
FsmStateError	289	Covered	T2,T4,T5
MacroEccCorrError	221	Covered	T37,T40,T33
NoError	235	Covered	T1,T2,T3

transitions	Line No.	Covered	Tests	Exclude Annotation
AccessError->CheckFailError	317	Excluded		VC_COV_UNR
AccessError->FsmStateError	325	Covered	T8,T9,T106
AccessError->MacroEccCorrError	221	Excluded		VC_COV_UNR
AccessError->NoError	235	Covered	T12,T101,T105
CheckFailError->AccessError	256	Excluded		VC_COV_UNR
CheckFailError->FsmStateError	325	Excluded		VC_COV_UNR
CheckFailError->MacroEccCorrError	221	Excluded		VC_COV_UNR
CheckFailError->NoError	235	Covered	T109,T164,T152
FsmStateError->AccessError	256	Excluded		VC_COV_UNR
FsmStateError->CheckFailError	317	Excluded		VC_COV_UNR
FsmStateError->MacroEccCorrError	221	Excluded		VC_COV_UNR
FsmStateError->NoError	235	Covered	T2,T4,T5
MacroEccCorrError->AccessError	256	Excluded		VC_COV_UNR
MacroEccCorrError->CheckFailError	317	Not Covered
MacroEccCorrError->FsmStateError	325	Covered	T33,T170,T103
MacroEccCorrError->NoError	235	Covered	T37,T40,T52
NoError->AccessError	256	Covered	T12,T101,T105
NoError->CheckFailError	317	Covered	T109,T164,T152
NoError->FsmStateError	289	Covered	T2,T4,T5
NoError->MacroEccCorrError	221	Covered	T37,T40,T33

---

Branch Coverage for Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

	Line No.	Total	Covered	Percent
Branches		44	44	100.00
TERNARY	336	2	2	100.00
TERNARY	349	2	2	100.00
TERNARY	358	2	2	100.00
TERNARY	395	2	2	100.00
TERNARY	420	2	2	100.00
CASE	186	23	23	100.00
IF	314	3	3	100.00
IF	321	3	3	100.00
IF	461	2	2	100.00
IF	464	3	3	100.00

336          assign tlul_rdata_o = (tlul_rvalid_o && tlul_rerror_o == '0) ? otp_rdata_i[31:0] : '0;
                                                                          -1-  
                                                                          ==>  
                                                                          ==>  

Branches:

-1-	Status	Tests
1	Covered	T2,T3,T6
0	Covered	T1,T2,T3

349          assign addr_calc = (otp_addr_sel == DigestAddrSel) ? DigestOffset : {tlul_addr_q, 2'b00};
                                                                -1-  
                                                                ==>  
                                                                ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T3,T6

358          assign otp_size_o = (otp_addr_sel == DigestAddrSel) ?
                                                                 -1-  
                                                                 ==>  
                                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T2,T3,T6

395          assign init_locked = (~init_done_o) ? MuBi8True : MuBi8False;
                                                 -1-  
                                                 ==>  
                                                 ==>  

Branches:

-1-	Status	Tests
1	Covered	T1,T2,T3
0	Covered	T1,T2,T3

420            assign digest_locked = (digest_o != '0) ? MuBi8True : MuBi8False;
                                                       -1-  
                                                       ==>  
                                                       ==>  

Branches:

-1-	Status	Tests
1	Covered	T4,T12,T13
0	Covered	T1,T2,T3

186            unique case (state_q)
                      -1-  
187              ///////////////////////////////////////////////////////////////////
188              // State right after reset. Wait here until we get a an
189              // initialization request.
190              ResetSt: begin
191                if (init_req_i) begin
                   -2-  
192                  // If the partition does not have a digest, no initialization is necessary.
193                  if (Info.sw_digest) begin
                     -3-  
194                    state_d = InitSt;
                       ==>
195                  end else begin
196                    state_d = IdleSt;
                       ==> (Unreachable)
197                  end
198                end
                   MISSING_ELSE
                   ==>
199              end
200              ///////////////////////////////////////////////////////////////////
201              // Initialization reads out the digest only in unbuffered
202              // partitions. Wait here until the OTP request has been granted.
203              // And then wait until the OTP word comes back.
204              InitSt: begin
205                otp_req_o = 1'b1;
206                if (otp_gnt_i) begin
                   -4-  
207                  state_d = InitWaitSt;
                     ==>
208                end
                   MISSING_ELSE
                   ==>
209              end
210              ///////////////////////////////////////////////////////////////////
211              // Wait for OTP response and write to digest buffer register. In
212              // case an OTP transaction fails, latch the  OTP error code and
213              // jump to a terminal error state.
214              InitWaitSt: begin
215                if (otp_rvalid_i) begin
                   -5-  
216                  digest_reg_en = 1'b1;
217                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -6-  
218                    state_d = IdleSt;
219                    // At this point the only error that we could have gotten are correctable ECC errors.
220                    if (otp_err != NoError) begin
                       -7-  
221                      error_d = MacroEccCorrError;
                         ==>
222                    end
                       MISSING_ELSE
                       ==>
223                  end else begin
224                    state_d = ErrorSt;
                       ==>
225                    error_d = otp_err;
226                  end
227                end
                   MISSING_ELSE
                   ==>
228              end
229              ///////////////////////////////////////////////////////////////////
230              // Wait for TL-UL requests coming in.
231              // Then latch address and go to readout state.
232              IdleSt: begin
233                init_done_o = 1'b1;
234                if (tlul_req_i) begin
                   -8-  
235                  error_d = NoError; // clear recoverable soft errors.
                     ==>
236                  state_d = ReadSt;
237                  tlul_gnt_o = 1'b1;
238                end
                   MISSING_ELSE
                   ==>
239              end
240              ///////////////////////////////////////////////////////////////////
241              // If the address is out of bounds, or if the partition is
242              // locked, signal back a bus error. Note that such an error does
243              // not cause the partition to go into error state. Otherwise if
244              // these checks pass, an OTP word is requested.
245              ReadSt: begin
246                init_done_o = 1'b1;
247                // Double check the address range.
248                if (tlul_addr_in_range && mubi8_test_false_strict(access_o.read_lock)) begin
                   -9-  
249                  otp_req_o = 1'b1;
250                  otp_addr_sel = DataAddrSel;
251                  if (otp_gnt_i) begin
                     -10-  
252                    state_d = ReadWaitSt;
                       ==>
253                  end
                     MISSING_ELSE
                     ==>
254                end else begin
255                  state_d = IdleSt;
                     ==>
256                  error_d = AccessError; // Signal this error, but do not go into terminal error state.
257                  tlul_rvalid_o = 1'b1;
258                  tlul_rerror_o = 2'b11; // This causes the TL-UL adapter to return a bus error.
259                end
260              end
261              ///////////////////////////////////////////////////////////////////
262              // Wait for OTP response and release the TL-UL response. In
263              // case an OTP transaction fails, latch the OTP error code,
264              // signal a TL-Ul bus error and jump to a terminal error state.
265              ReadWaitSt: begin
266                init_done_o = 1'b1;
267                if (otp_rvalid_i) begin
                   -11-  
268                  tlul_rvalid_o = 1'b1;
269                  if (otp_err inside {NoError, MacroEccCorrError}) begin
                     -12-  
270                    state_d = IdleSt;
271                    // At this point the only error that we could have gotten are correctable ECC errors.
272                    if (otp_err != NoError) begin
                       -13-  
273                      error_d = MacroEccCorrError;
                         ==>
274                    end
                       MISSING_ELSE
                       ==>
275                  end else begin
276                    state_d = ErrorSt;
                       ==>
277                    error_d = otp_err;
278                    // This causes the TL-UL adapter to return a bus error.
279                    tlul_rerror_o = 2'b11;
280                  end
281                end
                   MISSING_ELSE
                   ==>
282              end
283              ///////////////////////////////////////////////////////////////////
284              // Terminal Error State. This locks access to the partition.
285              // Make sure the partition signals an error state if no error
286              // code has been latched so far.
287              ErrorSt: begin
288                if (error_q == NoError) begin
                   -14-  
289                  error_d = FsmStateError;
                     ==>
290                end
                   MISSING_ELSE
                   ==>
291        
292                // Return bus errors if there are pending TL-UL requests.
293                if (pending_tlul_error_q) begin
                   -15-  
294                  tlul_rerror_o = 2'b11;
                     ==>
295                  tlul_rvalid_o = 1'b1;
296                end else if (tlul_req_i) begin
                            -16-  
297                  tlul_gnt_o = 1'b1;
                     ==>
298                  pending_tlul_error_d = 1'b1;
299                end
                   MISSING_ELSE
                   ==>
300              end
301              ///////////////////////////////////////////////////////////////////
302              // We should never get here. If we do (e.g. via a malicious
303              // glitch), error out immediately.
304              default: begin
305                state_d = ErrorSt;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests
ResetSt	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ResetSt	1	0	-	-	-	-	-	-	-	-	-	-	-	-	-	Unreachable
ResetSt	0	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitSt	-	-	0	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitWaitSt	-	-	-	1	1	1	-	-	-	-	-	-	-	-	-	Covered	T33,T103,T158
InitWaitSt	-	-	-	1	1	0	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
InitWaitSt	-	-	-	1	0	-	-	-	-	-	-	-	-	-	-	Covered	T159,T160,T161
InitWaitSt	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
IdleSt	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	Covered	T2,T3,T6
IdleSt	-	-	-	-	-	-	0	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
ReadSt	-	-	-	-	-	-	-	1	1	-	-	-	-	-	-	Covered	T2,T3,T6
ReadSt	-	-	-	-	-	-	-	1	0	-	-	-	-	-	-	Covered	T12,T125,T201
ReadSt	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Covered	T12,T101,T105
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	1	-	-	-	Covered	T37,T40,T52
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	1	0	-	-	-	Covered	T2,T3,T6
ReadWaitSt	-	-	-	-	-	-	-	-	-	1	0	-	-	-	-	Covered	T157,T162,T163
ReadWaitSt	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T2,T3,T6
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	Covered	T26,T27,T28
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	0	-	-	Covered	T2,T4,T5
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	Covered	T4,T5,T101
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	1	Covered	T4,T5,T101
ErrorSt	-	-	-	-	-	-	-	-	-	-	-	-	-	0	0	Covered	T2,T4,T5
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T26,T27,T28

314            if (ecc_err) begin
               -1-  
315              state_d = ErrorSt;
316              if (state_q != ErrorSt) begin
                 -2-  
317                error_d = CheckFailError;
                   ==>
318              end
                 MISSING_ELSE
                 ==>
319            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T109,T164,T152
1	0	Covered	T109,T164,T152
0	-	Covered	T1,T2,T3

321            if (lc_ctrl_pkg::lc_tx_test_true_loose(escalate_en_i)) begin
               -1-  
322              state_d = ErrorSt;
323              fsm_err_o = 1'b1;
324              if (state_q != ErrorSt) begin
                 -2-  
325                error_d = FsmStateError;
                   ==>
326              end
                 MISSING_ELSE
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	1	Covered	T2,T4,T5
1	0	Covered	T2,T4,T5
0	-	Covered	T1,T2,T3

461          `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

464            if (!rst_ni) begin
               -1-  
465              error_q              <= NoError;
                 ==>
466              tlul_addr_q          <= '0;
467              pending_tlul_error_q <= 1'b0;
468            end else begin
469              error_q              <= error_d;
470              pending_tlul_error_q <= pending_tlul_error_d;
471              if (tlul_gnt_o) begin
                 -2-  
472                tlul_addr_q <= tlul_addr_d;
                   ==>
473              end
                 MISSING_ELSE
                 ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T2,T3,T4
0	0	Covered	T1,T2,T3

---

Assert Coverage for Instance : tb.dut.gen_partitions[2].gen_unbuffered.u_part_unbuf

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	26	26	100.00	26	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	26	26	100.00	26	100.00

---

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
AccessKnown_A	88289748	87463934	0	0
DigestKnown_A	88289748	87463934	0	0
DigestOffsetMustBeRepresentable_A	1126	1126	0	0
EccErrorState_A	88289748	15741	0	0
ErrorKnown_A	88289748	87463934	0	0
FsmStateKnown_A	88289748	87463934	0	0
InitDoneKnown_A	88289748	87463934	0	0
InitReadLocksPartition_A	88289748	17768580	0	0
InitWriteLocksPartition_A	88289748	17768580	0	0
OffsetMustBeBlockAligned_A	1126	1126	0	0
OtpAddrKnown_A	88289748	87463934	0	0
OtpCmdKnown_A	88289748	87463934	0	0
OtpErrorState_A	88289748	56	0	0
OtpReqKnown_A	88289748	87463934	0	0
OtpSizeKnown_A	88289748	87463934	0	0
OtpWdataKnown_A	88289748	87463934	0	0
ReadLockPropagation_A	88289748	17933460	0	0
SizeMustBeBlockAligned_A	1126	1126	0	0
TlulGntKnown_A	88289748	87463934	0	0
TlulRdataKnown_A	88289748	87463934	0	0
TlulReadOnReadLock_A	88289748	6929	0	0
TlulRerrorKnown_A	88289748	87463934	0	0
TlulRvalidKnown_A	88289748	87463934	0	0
WriteLockPropagation_A	88289748	1515793	0	0
gen_digest_write_lock.DigestWriteLocksPartition_A	88289748	17391449	0	0
u_state_regs_A	88289748	87463934	0	0

AccessKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

DigestOffsetMustBeRepresentable_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

EccErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	15741	0	0
T38	66291	0	0	0
T109	12720	3743	0	0
T152	0	2624	0	0
T164	0	2929	0	0
T173	0	2542	0	0
T174	0	3903	0	0
T175	110852	0	0	0
T176	151426	0	0	0
T177	23626	0	0	0
T178	39885	0	0	0
T179	25803	0	0	0
T180	17661	0	0	0
T181	87397	0	0	0
T182	6096	0	0	0

ErrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

FsmStateKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitDoneKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

InitReadLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17768580	0	0
T1	4656	97	0	0
T2	10141	3261	0	0
T3	15504	236	0	0
T4	12189	2258	0	0
T5	17675	2202	0	0
T6	21031	4147	0	0
T10	7207	741	0	0
T11	38076	150	0	0
T12	45463	3955	0	0
T13	13068	554	0	0

InitWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17768580	0	0
T1	4656	97	0	0
T2	10141	3261	0	0
T3	15504	236	0	0
T4	12189	2258	0	0
T5	17675	2202	0	0
T6	21031	4147	0	0
T10	7207	741	0	0
T11	38076	150	0	0
T12	45463	3955	0	0
T13	13068	554	0	0

OffsetMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

OtpAddrKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpCmdKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpErrorState_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	56	0	0
T34	15031	0	0	0
T134	43515	0	0	0
T148	86464	0	0	0
T157	82840	1	0	0
T159	0	1	0	0
T160	0	1	0	0
T162	0	1	0	0
T163	0	1	0	0
T169	0	2	0	0
T185	0	1	0	0
T186	0	2	0	0
T187	0	1	0	0
T188	0	1	0	0
T189	10588	0	0	0
T190	100809	0	0	0
T191	12742	0	0	0
T192	71204	0	0	0
T193	49888	0	0	0
T194	29929	0	0	0

OtpReqKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpSizeKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

OtpWdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

ReadLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17933460	0	0
T4	12189	1481	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	1556	0	0
T13	13068	1088	0	0
T17	77151	0	0	0
T19	0	18482	0	0
T37	0	1603	0	0
T93	0	4387	0	0
T98	0	3584	0	0
T101	0	1247	0	0
T102	0	1533	0	0
T104	14461	0	0	0
T105	0	2367	0	0
T127	59995	0	0	0

SizeMustBeBlockAligned_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	1126	1126	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
T10	1	1	0	0
T11	1	1	0	0
T12	1	1	0	0
T13	1	1	0	0

TlulGntKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRdataKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulReadOnReadLock_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	6929	0	0
T4	12189	5	0	0
T5	17675	2	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	1	0	0
T13	13068	0	0	0
T17	77151	0	0	0
T19	0	2	0	0
T101	0	2	0	0
T102	0	6	0	0
T104	14461	0	0	0
T105	0	1	0	0
T118	0	2	0	0
T120	0	6	0	0
T127	59995	0	0	0
T129	0	18	0	0

TlulRerrorKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

TlulRvalidKnown_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0

WriteLockPropagation_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	1515793	0	0
T18	6740	0	0	0
T19	62275	0	0	0
T37	179037	0	0	0
T93	91589	2230	0	0
T96	0	2395	0	0
T99	0	5256	0	0
T102	30181	0	0	0
T105	44569	0	0	0
T116	10302	0	0	0
T117	13023	0	0	0
T118	51664	0	0	0
T129	33379	0	0	0
T130	0	1870	0	0
T131	0	10531	0	0
T134	0	1843	0	0
T148	0	5925	0	0
T149	0	2065	0	0
T195	0	14844	0	0
T196	0	1107	0	0

gen_digest_write_lock.DigestWriteLocksPartition_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	17391449	0	0
T4	12189	5880	0	0
T5	17675	0	0	0
T6	21031	0	0	0
T10	7207	0	0	0
T11	38076	0	0	0
T12	45463	33324	0	0
T13	13068	7728	0	0
T17	77151	0	0	0
T93	0	74867	0	0
T96	0	43587	0	0
T98	0	11132	0	0
T102	0	17340	0	0
T104	14461	0	0	0
T108	0	43973	0	0
T124	0	26326	0	0
T127	59995	0	0	0
T197	0	2706	0	0

u_state_regs_A

Name	Attempts	Real Successes	Failures	Incomplete
Total	88289748	87463934	0	0
T1	4656	4583	0	0
T2	10141	9965	0	0
T3	15504	15304	0	0
T4	12189	11866	0	0
T5	17675	17237	0	0
T6	21031	20747	0	0
T10	7207	7152	0	0
T11	38076	38012	0	0
T12	45463	44631	0	0
T13	13068	12633	0	0