Unified Coverage Report :: Module

Line Coverage for Module : flash_phy_prog

	Line No.	Total	Covered	Percent
TOTAL		96	96	100.00
CONT_ASSIGN	111	1	1	100.00
CONT_ASSIGN	122	1	1	100.00
CONT_ASSIGN	126	1	1	100.00
ALWAYS	130	3	3	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	143	1	1	100.00
CONT_ASSIGN	144	1	1	100.00
CONT_ASSIGN	147	1	1	100.00
CONT_ASSIGN	148	1	1	100.00
ALWAYS	151	6	6	100.00
ALWAYS	164	3	3	100.00
ALWAYS	174	51	51	100.00
ALWAYS	299	12	12	100.00
CONT_ASSIGN	314	1	1	100.00
ALWAYS	323	4	4	100.00
CONT_ASSIGN	331	1	1	100.00
CONT_ASSIGN	352	1	1	100.00
CONT_ASSIGN	355	1	1	100.00
CONT_ASSIGN	365	1	1	100.00
CONT_ASSIGN	366	1	1	100.00
ALWAYS	369	3	3	100.00



110                       // selects empty data or real data
111        1/1            assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
           Tests:       T1 T2 T3 
112                     
113                       logic data_intg_ok;
114                       logic data_err;
115                     
116                       // use the tlul integrity module directly for bus integrity
117                       // SEC_CM: MEM.BUS.INTEGRITY
118                       tlul_data_integ_dec u_data_intg_chk (
119                         .data_intg_i(data_i),
120                         .data_err_o(data_err)
121                       );
122        1/1            assign data_intg_ok = ~data_err;
           Tests:       T1 T2 T3 
123                     
124                       logic data_invalid_q, data_invalid_d;
125                       // hold on integrity failure indication until reset
126        1/1            assign data_invalid_d = data_invalid_q |
           Tests:       T1 T2 T3 
127                                               (pack_valid & ~data_intg_ok);
128                     
129                       always_ff @(posedge clk_i or negedge rst_ni) begin
130        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
131        1/1                data_invalid_q <= '0;
           Tests:       T1 T2 T3 
132                         end else begin
133        1/1                data_invalid_q <= data_invalid_d;
           Tests:       T1 T2 T3 
134                         end
135                       end
136                     
137                       // indication to upper layer presence of error
138        1/1            assign intg_err_o = data_invalid_q;
           Tests:       T1 T2 T3 
139                     
140                       // if integrity failure is seen, fake communication with flash
141                       // and simply terminate
142                       logic ack, done;
143        1/1            assign ack = ack_i | data_invalid_q;
           Tests:       T1 T2 T3 
144        1/1            assign done = done_i | data_invalid_q;
           Tests:       T1 T2 T3 
145                     
146                       // next idx will be aligned
147        1/1            assign idx_sub_one = idx - 1'b1;
           Tests:       T1 T2 T3 
148        1/1            assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
           Tests:       T1 T2 T3 
149                     
150                       always_ff @(posedge clk_i or negedge rst_ni) begin
151        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
152        1/1                idx <= '0;
           Tests:       T1 T2 T3 
153        1/1              end else if (pack_valid && idx == MaxIdx) begin
           Tests:       T1 T2 T3 
154                           // when a flash word is packed full, return index to 0
155        1/1                idx <= '0;
           Tests:       T2 T9 T10 
156        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
157                           // increment otherwise
158        1/1                idx <= idx + 1'b1;
           Tests:       T2 T9 T10 
159                         end
                        MISSING_ELSE
160                       end
161                     
162                     
163                       // SEC_CM: PHY_PROG.FSM.SPARSE
164        3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle):
164.1                   `ifdef SIMULATION                                   
164.2                       prim_sparse_fsm_flop #(                           
164.3                         .StateEnumT(state_e),                            
164.4                         .Width($bits(state_e)),                          
164.5                         .ResetValue($bits(state_e)'(StIdle)),          
164.6                         .EnableAlertTriggerSVA(1), 
164.7                         .CustomForceName("state_q")          
164.8                       ) u_state_regs (                                        
164.9                         .clk_i   ( clk_i   ),                           
164.10                        .rst_ni  ( rst_ni ),                           
164.11                        .state_i ( state_d     ),                           
164.12                        .state_o (         )                            
164.13                      );                                                
164.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
164.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
164.16     1/1                state_q <= StIdle;                                
           Tests:       T1 T2 T3 
164.17                      end else begin                                    
164.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
164.19                      end                                               
164.20                    end  
164.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
164.22                      else begin                                                                           
164.23                        `ifdef UVM                                                                               
164.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
164.25                                              "../src/lowrisc_opentitan_top_earlgrey_flash_ctrl_0.1/rtl/flash_phy_prog.sv", 164, "", 1);                                
164.26                  `else                                                                                    
164.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
164.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
164.29                  `endif                                                              
164.30                      end 
164.31                    `else                                               
164.32                      prim_sparse_fsm_flop #(                           
164.33                        .StateEnumT(state_e),                            
164.34                        .Width($bits(state_e)),                          
164.35                        .ResetValue($bits(state_e)'(StIdle)),          
164.36                        .EnableAlertTriggerSVA(1)  
164.37                      ) u_state_regs (                                        
164.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
164.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
164.40                        .state_i ( state_d     ),                           
164.41                        .state_o ( state_q     )                            
164.42                      );                                                
164.43                    `endif165                     
166                       // If the first beat of an incoming transaction is not aligned to word boundary (for example
167                       // if each flash word is 4 bus words wide, and the first word to program starts at index 1),
168                       // the fsm pre-packs the flash word with empty words until the supplied index.
169                       // Once at the index, real data supplied from the flash controller is packed until the last
170                       // beat of data.  At the last beat of data, if it is not also aligned (index 3 in this example),
171                       // more empty words are packed at the end to fill out the word.
172                       //
173                       always_comb begin
174        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
175                     
176        1/1              pack_valid = 1'b0;
           Tests:       T1 T2 T3 
177        1/1              data_sel = Filler;
           Tests:       T1 T2 T3 
178        1/1              plain_ecc_en = 1'b0;
           Tests:       T1 T2 T3 
179        1/1              req_o = 1'b0;
           Tests:       T1 T2 T3 
180        1/1              ack_o = 1'b0;
           Tests:       T1 T2 T3 
181        1/1              last_o = 1'b0;
           Tests:       T1 T2 T3 
182        1/1              calc_req_o = 1'b0;
           Tests:       T1 T2 T3 
183        1/1              scramble_req_o = 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                           StIdle: begin
188                             // if first beat of a transaction is not aligned, prepack with empty bits
189        1/1                  if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
           Tests:       T1 T2 T3 
190                               // only disable during idle state to ensure program is able to gracefully complete
191                               // this is important as we do not want to accidentally disturb any electrical procedure
192                               // internal to the flash macro
193        1/1                    state_d = StDisabled;
           Tests:       T4 T5 T6 
194        1/1                  end else if (req_i && |sel_i) begin
           Tests:       T1 T2 T3 
195        1/1                    state_d = StPrePack;
           Tests:       T20 T26 T37 
196        1/1                  end else if (req_i) begin
           Tests:       T1 T2 T3 
197        1/1                    state_d = StPackData;
           Tests:       T2 T9 T10 
198                             end
                        MISSING_ELSE
199                           end
200                     
201                           StPrePack: begin
202                             // pack until currently supplied data
203        1/1                  pack_valid = (idx < sel_i);
           Tests:       T20 T26 T37 
204        1/1                  if (idx == align_next) begin
           Tests:       T20 T26 T37 
205        1/1                    state_d = StPackData;
           Tests:       T20 T26 T37 
206                             end
                   ==>  MISSING_ELSE
207                           end
208                     
209                           StPackData: begin
210        1/1                  pack_valid = req_i;
           Tests:       T2 T9 T10 
211        1/1                  data_sel = Actual;
           Tests:       T2 T9 T10 
212                     
213        1/1                  if (req_i && idx == MaxIdx) begin
           Tests:       T2 T9 T10 
214                               // last beat of a flash word
215        1/1                    state_d = StCalcPlainEcc;
           Tests:       T2 T9 T10 
216        1/1                  end else if (req_i && last_i) begin
           Tests:       T2 T9 T10 
217                               // last beat is not aligned with the last entry of flash word
218        1/1                    state_d = StPostPack;
           Tests:       T10 T20 T26 
219        1/1                  end else if (req_i) begin
           Tests:       T2 T9 T10 
220        1/1                    ack_o = 1'b1;
           Tests:       T2 T9 T10 
221                             end
                        MISSING_ELSE
222                           end
223                     
224                           StPostPack: begin
225                             // supply filler data
226        1/1                  pack_valid = 1'b1;
           Tests:       T10 T20 T26 
227        1/1                  data_sel = Filler;
           Tests:       T10 T20 T26 
228                     
229                             // finish packing remaining entries
230        1/1                  if (idx == MaxIdx) begin
           Tests:       T10 T20 T26 
231        1/1                    state_d = StCalcPlainEcc;
           Tests:       T10 T20 T26 
232                             end
                   ==>  MISSING_ELSE
233                           end
234                     
235                           StCalcPlainEcc: begin
236        1/1                  plain_ecc_en = 1'b1;
           Tests:       T2 T9 T10 
237        1/1                  state_d = scramble_i ? StCalcMask : StReqFlash;
           Tests:       T2 T9 T10 
238                           end
239                     
240                           StCalcMask: begin
241        1/1                  calc_req_o = 1'b1;
           Tests:       T18 T11 T76 
242                     
243        1/1                  if (calc_ack_i) begin
           Tests:       T18 T11 T76 
244        1/1                    state_d = StScrambleData;
           Tests:       T18 T11 T76 
245                             end
                        MISSING_ELSE
246                           end
247                     
248                           StScrambleData: begin
249        1/1                  scramble_req_o = 1'b1;
           Tests:       T18 T11 T76 
250                     
251        1/1                  if (scramble_ack_i) begin
           Tests:       T18 T11 T76 
252        1/1                    state_d = StCalcEcc;
           Tests:       T18 T11 T76 
253                             end
                        MISSING_ELSE
254                           end
255                     
256                           StCalcEcc: begin
257        1/1                  state_d = StReqFlash;
           Tests:       T18 T11 T76 
258                           end
259                     
260                           StReqFlash: begin
261                             // only request flash if data integrity was valid
262        1/1                  req_o = ~data_invalid_q;
           Tests:       T2 T9 T10 
263        1/1                  last_o = last_i;
           Tests:       T2 T9 T10 
264                     
265                             // if this is the last beat of the program burst
266                             //   - wait for done
267                             // if this is NOT the last beat
268                             //   - ack the upstream request and accept more beats
269        1/1                  if (last_i) begin
           Tests:       T2 T9 T10 
270        1/1                    state_d = ack ? StWaitFlash : StReqFlash;
           Tests:       T2 T9 T10 
271                             end else begin
272        1/1                    ack_o = ack;
           Tests:       T2 T9 T10 
273        1/1                    state_d = ack ? StIdle : StReqFlash;
           Tests:       T2 T9 T10 
274                             end
275                           end
276                     
277                           StWaitFlash: begin
278        1/1                  if (done) begin
           Tests:       T2 T9 T10 
279        1/1                    ack_o = 1'b1;
           Tests:       T2 T9 T10 
280        1/1                    state_d = StIdle;
           Tests:       T2 T9 T10 
281                             end
                        MISSING_ELSE
282                           end
283                     
284                           StDisabled: begin
285        1/1                  state_d = StDisabled;
           Tests:       T4 T5 T6 
286                           end
287                     
288                           default: begin
289                             fsm_err_o = 1'b1;
290                           end
291                     
292                         endcase // unique case (state_q)
293                     
294                       end
295                     
296                       logic [DataWidth-1:0] mask_q;
297                     
298                       always_ff @(posedge clk_i or negedge rst_ni) begin
299        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
300        1/1                packed_data <= '0;
           Tests:       T1 T2 T3 
301        1/1                mask_q <= '0;
           Tests:       T1 T2 T3 
302        1/1              end else if (req_o && ack) begin
           Tests:       T1 T2 T3 
303        1/1                packed_data <= '0;
           Tests:       T2 T9 T10 
304        1/1              end else if (calc_req_o && calc_ack_i) begin
           Tests:       T1 T2 T3 
305        1/1                packed_data <= packed_data ^ mask_i;
           Tests:       T18 T11 T76 
306        1/1                mask_q <= mask_i;
           Tests:       T18 T11 T76 
307        1/1              end else if (scramble_req_o && scramble_ack_i) begin
           Tests:       T1 T2 T3 
308        1/1                packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
           Tests:       T18 T11 T76 
309        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
310        1/1                packed_data[idx] <= pack_data;
           Tests:       T2 T9 T10 
311                         end
                        MISSING_ELSE
312                       end
313                     
314        1/1            assign block_data_o = packed_data;
           Tests:       T1 T2 T3 
315                     
316                       // ECC handling
317                       localparam int PlainDataEccWidth = DataWidth + 8;
318                     
319                       logic [FullDataWidth-1:0] ecc_data;
320                       logic [PlainDataEccWidth-1:0] plain_data_w_ecc;
321                       logic [PlainIntgWidth-1:0] plain_data_ecc;
322                       always_ff @(posedge clk_i or negedge rst_ni) begin
323        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
324        1/1                plain_data_ecc <= '1;
           Tests:       T1 T2 T3 
325        1/1              end else if (plain_ecc_en) begin
           Tests:       T1 T2 T3 
326        1/1                plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
           Tests:       T2 T9 T10 
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       logic [PlainDataWidth-1:0] ecc_data_in;
331        1/1            assign ecc_data_in = {plain_data_ecc, packed_data};
           Tests:       T1 T2 T3 
332                     
333                       // reliability ECC calculation
334                       prim_secded_hamming_76_68_enc u_enc (
335                         .data_i(ecc_data_in),
336                         .data_o(ecc_data)
337                       );
338                     
339                       // integrity ECC calculation
340                       // This instance can technically be merged with the instance above, but is
341                       // kept separate for the sake of convenience
342                       // The plain data ecc is calculated continuously from packed data (which changes
343                       // from packed data to masked/scrambled data based on software configuration).
344                       // The actual plain data ECC is explicitly captured during this process when
345                       // it is required.
346                       prim_secded_hamming_72_64_enc u_plain_enc (
347                         .data_i(packed_data),
348                         .data_o(plain_data_w_ecc)
349                       );
350                     
351                       logic unused_data;
352        1/1            assign unused_data = |plain_data_w_ecc;
           Tests:       T1 T2 T3 
353                     
354                       // pad the remaining bits with '1' if ecc is not used.
355        1/1            assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
           Tests:       T1 T2 T3 
356                     
357                       /////////////////////////////////
358                       // Assertions
359                       /////////////////////////////////
360                     
361                     `ifdef INC_ASSERT
362                       logic txn_done;
363                       logic [15:0] done_cnt_d, done_cnt_q;
364                     
365        1/1            assign txn_done = req_i && ack_o && last_i;
           Tests:       T1 T2 T3 
366        1/1            assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
           Tests:       T1 T2 T3 
367                     
368                       always_ff @(posedge clk_i or negedge rst_ni) begin
369        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
370        1/1                done_cnt_q <= '0;
           Tests:       T1 T2 T3 
371                         end else begin
372        1/1                done_cnt_q <= done_cnt_d;
           Tests:       T1 T2 T3

Cond Coverage for Module : flash_phy_prog

	Total	Covered	Percent
Conditions	65	61	93.85
Logical	65	61	93.85
Non-Logical	0	0
Event	0	0

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T9,T10

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T9,T10

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T31,T8
1	0	Covered	T6,T31,T8

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T9,T10
1	1	Covered	T6,T31,T8

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------

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

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T31,T8
1	0	Covered	T1,T2,T3

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T9,T10

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------

-1-	Status	Tests
0	Covered	T2,T9,T10
1	Covered	T10,T20,T26

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T2,T9,T10
1	0	Covered	T2,T9,T10
1	1	Covered	T2,T9,T10

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T9,T10

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T9,T10
1	1	Covered	T20,T26,T37

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------

-1-	Status	Tests
0	Not Covered
1	Covered	T20,T26,T37

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T2,T9,T10
1	0	Covered	T2,T9,T10
1	1	Covered	T2,T9,T10

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T2,T9,T10
1	Covered	T2,T9,T10

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--

-1-	-2-	Status	Tests
0	1	Covered	T2,T9,T10
1	0	Covered	T2,T9,T10
1	1	Covered	T10,T20,T26

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------

-1-	Status	Tests
0	Not Covered
1	Covered	T10,T20,T26

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----

-1-	Status	Tests
0	Covered	T2,T9,T10
1	Covered	T18,T11,T76

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T2,T9,T10
1	Covered	T2,T9,T10

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T2,T9,T10
1	Covered	T2,T9,T10

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T9,T10
1	1	Covered	T2,T9,T10

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T18,T11,T76
1	1	Covered	T18,T11,T76

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T18,T11,T76
1	1	Covered	T18,T11,T76

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--

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

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T9,T10
1	1	0	Covered	T2,T9,T10
1	1	1	Covered	T2,T9,T10

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T9,T10

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-

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

FSM Coverage for Module : flash_phy_prog

**Summary for FSM :: state_q**
	Total	Covered	Percent
States	11	11	100.00	(Not included in score)
Transitions	15	15	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

states	Line No.	Covered	Tests
StCalcEcc	252	Covered	T18,T11,T76
StCalcMask	237	Covered	T18,T11,T76
StCalcPlainEcc	215	Covered	T2,T9,T10
StDisabled	193	Covered	T4,T5,T6
StIdle	273	Covered	T1,T2,T3
StPackData	197	Covered	T2,T9,T10
StPostPack	218	Covered	T10,T20,T26
StPrePack	195	Covered	T20,T26,T37
StReqFlash	237	Covered	T2,T9,T10
StScrambleData	244	Covered	T18,T11,T76
StWaitFlash	270	Covered	T2,T9,T10

transitions	Line No.	Covered	Tests
StCalcEcc->StReqFlash	257	Covered	T18,T11,T76
StCalcMask->StScrambleData	244	Covered	T18,T11,T76
StCalcPlainEcc->StCalcMask	237	Covered	T18,T11,T76
StCalcPlainEcc->StReqFlash	237	Covered	T2,T9,T10
StIdle->StDisabled	193	Covered	T4,T5,T6
StIdle->StPackData	197	Covered	T2,T9,T10
StIdle->StPrePack	195	Covered	T20,T26,T37
StPackData->StCalcPlainEcc	215	Covered	T2,T9,T10
StPackData->StPostPack	218	Covered	T10,T20,T26
StPostPack->StCalcPlainEcc	231	Covered	T10,T20,T26
StPrePack->StPackData	205	Covered	T20,T26,T37
StReqFlash->StIdle	273	Covered	T2,T9,T10
StReqFlash->StWaitFlash	270	Covered	T2,T9,T10
StScrambleData->StCalcEcc	252	Covered	T18,T11,T76
StWaitFlash->StIdle	280	Covered	T2,T9,T10

Branch Coverage for Module : flash_phy_prog

	Line No.	Total	Covered	Percent
Branches		55	53	96.36
TERNARY	111	2	2	100.00
TERNARY	148	2	2	100.00
TERNARY	355	2	2	100.00
TERNARY	366	3	3	100.00
IF	130	2	2	100.00
IF	151	4	4	100.00
IF	164	2	2	100.00
CASE	186	27	25	92.59
IF	299	6	6	100.00
IF	323	3	3	100.00
IF	369	2	2	100.00



111          assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
                                                      -1-  
                                                      ==>  
                                                      ==>

Branches:

-1-	Status	Tests
1	Covered	T2,T9,T10
0	Covered	T1,T2,T3



148          assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
                                            -1-  
                                            ==>  
                                            ==>

Branches:

-1-	Status	Tests
1	Covered	T2,T9,T10
0	Covered	T1,T2,T3



355          assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
                                   -1-  
                                   ==>  
                                   ==>

Branches:

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



366          assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
                                          -1-          -2-   
                                          ==>          ==>   
                                                       ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T2,T9,T10
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3



130            if (!rst_ni) begin
               -1-  
131              data_invalid_q <= '0;
                 ==>
132            end else begin
133              data_invalid_q <= data_invalid_d;
                 ==>

Branches:

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



151            if (!rst_ni) begin
               -1-  
152              idx <= '0;
                 ==>
153            end else if (pack_valid && idx == MaxIdx) begin
                        -2-  
154              // when a flash word is packed full, return index to 0
155              idx <= '0;
                 ==>
156            end else if (pack_valid) begin
                        -3-  
157              // increment otherwise
158              idx <= idx + 1'b1;
                 ==>
159            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T1,T2,T3
0	1	-	Covered	T2,T9,T10
0	0	1	Covered	T2,T9,T10
0	0	0	Covered	T1,T2,T3



164          `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
             -1-                                                                      
             ==>                                                                      
             ==>

Branches:

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



186            unique case (state_q)
                      -1-  
187              StIdle: begin
188                // if first beat of a transaction is not aligned, prepack with empty bits
189                if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
                   -2-  
190                  // only disable during idle state to ensure program is able to gracefully complete
191                  // this is important as we do not want to accidentally disturb any electrical procedure
192                  // internal to the flash macro
193                  state_d = StDisabled;
                     ==>
194                end else if (req_i && |sel_i) begin
                            -3-  
195                  state_d = StPrePack;
                     ==>
196                end else if (req_i) begin
                            -4-  
197                  state_d = StPackData;
                     ==>
198                end
                   MISSING_ELSE
                   ==>
199              end
200        
201              StPrePack: begin
202                // pack until currently supplied data
203                pack_valid = (idx < sel_i);
204                if (idx == align_next) begin
                   -5-  
205                  state_d = StPackData;
                     ==>
206                end
                   MISSING_ELSE
                   ==>
207              end
208        
209              StPackData: begin
210                pack_valid = req_i;
211                data_sel = Actual;
212        
213                if (req_i && idx == MaxIdx) begin
                   -6-  
214                  // last beat of a flash word
215                  state_d = StCalcPlainEcc;
                     ==>
216                end else if (req_i && last_i) begin
                            -7-  
217                  // last beat is not aligned with the last entry of flash word
218                  state_d = StPostPack;
                     ==>
219                end else if (req_i) begin
                            -8-  
220                  ack_o = 1'b1;
                     ==>
221                end
                   MISSING_ELSE
                   ==>
222              end
223        
224              StPostPack: begin
225                // supply filler data
226                pack_valid = 1'b1;
227                data_sel = Filler;
228        
229                // finish packing remaining entries
230                if (idx == MaxIdx) begin
                   -9-  
231                  state_d = StCalcPlainEcc;
                     ==>
232                end
                   MISSING_ELSE
                   ==>
233              end
234        
235              StCalcPlainEcc: begin
236                plain_ecc_en = 1'b1;
237                state_d = scramble_i ? StCalcMask : StReqFlash;
                                        -10-  
                                        ==>  
                                        ==>  
238              end
239        
240              StCalcMask: begin
241                calc_req_o = 1'b1;
242        
243                if (calc_ack_i) begin
                   -11-  
244                  state_d = StScrambleData;
                     ==>
245                end
                   MISSING_ELSE
                   ==>
246              end
247        
248              StScrambleData: begin
249                scramble_req_o = 1'b1;
250        
251                if (scramble_ack_i) begin
                   -12-  
252                  state_d = StCalcEcc;
                     ==>
253                end
                   MISSING_ELSE
                   ==>
254              end
255        
256              StCalcEcc: begin
257                state_d = StReqFlash;
                   ==>
258              end
259        
260              StReqFlash: begin
261                // only request flash if data integrity was valid
262                req_o = ~data_invalid_q;
263                last_o = last_i;
264        
265                // if this is the last beat of the program burst
266                //   - wait for done
267                // if this is NOT the last beat
268                //   - ack the upstream request and accept more beats
269                if (last_i) begin
                   -13-  
270                  state_d = ack ? StWaitFlash : StReqFlash;
                                   -14-  
                                   ==>  
                                   ==>  
271                end else begin
272                  ack_o = ack;
273                  state_d = ack ? StIdle : StReqFlash;
                                   -15-  
                                   ==>  
                                   ==>  
274                end
275              end
276        
277              StWaitFlash: begin
278                if (done) begin
                   -16-  
279                  ack_o = 1'b1;
                     ==>
280                  state_d = StIdle;
281                end
                   MISSING_ELSE
                   ==>
282              end
283        
284              StDisabled: begin
285                state_d = StDisabled;
                   ==>
286              end
287        
288              default: begin
289                fsm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests
StIdle	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
StIdle	0	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T20,T26,T37
StIdle	0	0	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T9,T10
StIdle	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
StPrePack	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	Covered	T20,T26,T37
StPrePack	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Not Covered
StPackData	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	Covered	T2,T9,T10
StPackData	-	-	-	-	0	1	-	-	-	-	-	-	-	-	-	Covered	T10,T20,T26
StPackData	-	-	-	-	0	0	1	-	-	-	-	-	-	-	-	Covered	T2,T9,T10
StPackData	-	-	-	-	0	0	0	-	-	-	-	-	-	-	-	Covered	T2,T9,T10
StPostPack	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	Covered	T10,T20,T26
StPostPack	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Not Covered
StCalcPlainEcc	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	Covered	T18,T11,T76
StCalcPlainEcc	-	-	-	-	-	-	-	-	0	-	-	-	-	-	-	Covered	T2,T9,T10
StCalcMask	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	Covered	T18,T11,T76
StCalcMask	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T18,T11,T76
StScrambleData	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	Covered	T18,T11,T76
StScrambleData	-	-	-	-	-	-	-	-	-	-	0	-	-	-	-	Covered	T18,T11,T76
StCalcEcc	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T18,T11,T76
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	Covered	T2,T9,T10
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	0	-	-	Covered	T2,T9,T10
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	1	-	Covered	T2,T9,T10
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	0	-	Covered	T2,T9,T10
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	Covered	T2,T9,T10
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	Covered	T2,T9,T10
StDisabled	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T12,T13,T14



299            if (!rst_ni) begin
               -1-  
300              packed_data <= '0;
                 ==>
301              mask_q <= '0;
302            end else if (req_o && ack) begin
                        -2-  
303              packed_data <= '0;
                 ==>
304            end else if (calc_req_o && calc_ack_i) begin
                        -3-  
305              packed_data <= packed_data ^ mask_i;
                 ==>
306              mask_q <= mask_i;
307            end else if (scramble_req_o && scramble_ack_i) begin
                        -4-  
308              packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
                 ==>
309            end else if (pack_valid) begin
                        -5-  
310              packed_data[idx] <= pack_data;
                 ==>
311            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
1	-	-	-	-	Covered	T1,T2,T3
0	1	-	-	-	Covered	T2,T9,T10
0	0	1	-	-	Covered	T18,T11,T76
0	0	0	1	-	Covered	T18,T11,T76
0	0	0	0	1	Covered	T2,T9,T10
0	0	0	0	0	Covered	T1,T2,T3



323            if (!rst_ni) begin
               -1-  
324              plain_data_ecc <= '1;
                 ==>
325            end else if (plain_ecc_en) begin
                        -2-  
326              plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T2,T9,T10
0	0	Covered	T1,T2,T3



369            if (!rst_ni) begin
               -1-  
370              done_cnt_q <= '0;
                 ==>
371            end else begin
372              done_cnt_q <= done_cnt_d;
                 ==>

Branches:

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

Assert Coverage for Module : flash_phy_prog

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	5	5	100.00	5	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	5	5	100.00	5	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
OneDonePerTxn_A	723818534	2356612	0	0
PostPackRule_A	723818534	1792	0	0
PrePackRule_A	723818534	1284	0	0
WidthCheck_A	2096	2096	0	0
u_state_regs_A	723818534	722095020	0	0

OneDonePerTxn_A

Name	Attempts	Real Successes
Total	723818534	2356612
T2	1916	1
T3	33100	0
T4	8436	0
T9	8070	14
T10	12554	10
T11	44559	307
T15	1455	0
T16	4062	0
T17	3738	0
T18	391038	84
T20	275572	4
T26	94815	61
T27	0	350
T37	0	273
T41	0	1
T59	0	6
T70	1526	0
T76	0	193
T88	0	748

PostPackRule_A

Name	Attempts	Real Successes
Total	723818534	1792
T4	8436	0
T10	12554	2
T11	89118	0
T17	3738	0
T18	391038	0
T20	275572	2
T26	189630	39
T35	0	2
T37	828712	12
T59	0	4
T70	3052	0
T71	0	31
T76	71692	0
T85	0	12
T227	0	3
T234	0	2
T235	0	1
T236	0	1
T237	0	2

PrePackRule_A

Name	Attempts	Real Successes
Total	723818534	1284
T11	89118	0
T20	137786	1
T26	189630	29
T27	597808	0
T35	0	2
T37	828712	6
T38	0	3
T40	2096	0
T59	11002	4
T67	100962	0
T70	3052	0
T71	0	28
T76	71692	0
T85	0	13
T148	2922	0
T227	0	3
T234	0	2
T235	0	1
T236	0	2
T237	0	2

WidthCheck_A

Name	Attempts	Real Successes
Total	2096	2096
T1	2	2
T2	2	2
T3	2	2
T4	2	2
T9	2	2
T10	2	2
T15	2	2
T16	2	2
T17	2	2
T18	2	2

u_state_regs_A

Name	Attempts	Real Successes
Total	723818534	722095020
T1	3154	3028
T2	3832	3644
T3	66200	66078
T4	8436	7024
T9	8070	7952
T10	12554	12412
T15	2910	2762
T16	4062	3950
T17	3738	3550
T18	391038	390910

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

	Line No.	Total	Covered	Percent
TOTAL		96	96	100.00
CONT_ASSIGN	111	1	1	100.00
CONT_ASSIGN	122	1	1	100.00
CONT_ASSIGN	126	1	1	100.00
ALWAYS	130	3	3	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	143	1	1	100.00
CONT_ASSIGN	144	1	1	100.00
CONT_ASSIGN	147	1	1	100.00
CONT_ASSIGN	148	1	1	100.00
ALWAYS	151	6	6	100.00
ALWAYS	164	3	3	100.00
ALWAYS	174	51	51	100.00
ALWAYS	299	12	12	100.00
CONT_ASSIGN	314	1	1	100.00
ALWAYS	323	4	4	100.00
CONT_ASSIGN	331	1	1	100.00
CONT_ASSIGN	352	1	1	100.00
CONT_ASSIGN	355	1	1	100.00
CONT_ASSIGN	365	1	1	100.00
CONT_ASSIGN	366	1	1	100.00
ALWAYS	369	3	3	100.00



110                       // selects empty data or real data
111        1/1            assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
           Tests:       T1 T2 T3 
112                     
113                       logic data_intg_ok;
114                       logic data_err;
115                     
116                       // use the tlul integrity module directly for bus integrity
117                       // SEC_CM: MEM.BUS.INTEGRITY
118                       tlul_data_integ_dec u_data_intg_chk (
119                         .data_intg_i(data_i),
120                         .data_err_o(data_err)
121                       );
122        1/1            assign data_intg_ok = ~data_err;
           Tests:       T1 T2 T3 
123                     
124                       logic data_invalid_q, data_invalid_d;
125                       // hold on integrity failure indication until reset
126        1/1            assign data_invalid_d = data_invalid_q |
           Tests:       T1 T2 T3 
127                                               (pack_valid & ~data_intg_ok);
128                     
129                       always_ff @(posedge clk_i or negedge rst_ni) begin
130        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
131        1/1                data_invalid_q <= '0;
           Tests:       T1 T2 T3 
132                         end else begin
133        1/1                data_invalid_q <= data_invalid_d;
           Tests:       T1 T2 T3 
134                         end
135                       end
136                     
137                       // indication to upper layer presence of error
138        1/1            assign intg_err_o = data_invalid_q;
           Tests:       T1 T2 T3 
139                     
140                       // if integrity failure is seen, fake communication with flash
141                       // and simply terminate
142                       logic ack, done;
143        1/1            assign ack = ack_i | data_invalid_q;
           Tests:       T1 T2 T3 
144        1/1            assign done = done_i | data_invalid_q;
           Tests:       T1 T2 T3 
145                     
146                       // next idx will be aligned
147        1/1            assign idx_sub_one = idx - 1'b1;
           Tests:       T1 T2 T3 
148        1/1            assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
           Tests:       T1 T2 T3 
149                     
150                       always_ff @(posedge clk_i or negedge rst_ni) begin
151        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
152        1/1                idx <= '0;
           Tests:       T1 T2 T3 
153        1/1              end else if (pack_valid && idx == MaxIdx) begin
           Tests:       T1 T2 T3 
154                           // when a flash word is packed full, return index to 0
155        1/1                idx <= '0;
           Tests:       T2 T10 T18 
156        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
157                           // increment otherwise
158        1/1                idx <= idx + 1'b1;
           Tests:       T2 T10 T18 
159                         end
                        MISSING_ELSE
160                       end
161                     
162                     
163                       // SEC_CM: PHY_PROG.FSM.SPARSE
164        3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle):
164.1                   `ifdef SIMULATION                                   
164.2                       prim_sparse_fsm_flop #(                           
164.3                         .StateEnumT(state_e),                            
164.4                         .Width($bits(state_e)),                          
164.5                         .ResetValue($bits(state_e)'(StIdle)),          
164.6                         .EnableAlertTriggerSVA(1), 
164.7                         .CustomForceName("state_q")          
164.8                       ) u_state_regs (                                        
164.9                         .clk_i   ( clk_i   ),                           
164.10                        .rst_ni  ( rst_ni ),                           
164.11                        .state_i ( state_d     ),                           
164.12                        .state_o (         )                            
164.13                      );                                                
164.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
164.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
164.16     1/1                state_q <= StIdle;                                
           Tests:       T1 T2 T3 
164.17                      end else begin                                    
164.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
164.19                      end                                               
164.20                    end  
164.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
164.22                      else begin                                                                           
164.23                        `ifdef UVM                                                                               
164.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
164.25                                              "../src/lowrisc_opentitan_top_earlgrey_flash_ctrl_0.1/rtl/flash_phy_prog.sv", 164, "", 1);                                
164.26                  `else                                                                                    
164.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
164.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
164.29                  `endif                                                              
164.30                      end 
164.31                    `else                                               
164.32                      prim_sparse_fsm_flop #(                           
164.33                        .StateEnumT(state_e),                            
164.34                        .Width($bits(state_e)),                          
164.35                        .ResetValue($bits(state_e)'(StIdle)),          
164.36                        .EnableAlertTriggerSVA(1)  
164.37                      ) u_state_regs (                                        
164.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
164.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
164.40                        .state_i ( state_d     ),                           
164.41                        .state_o ( state_q     )                            
164.42                      );                                                
164.43                    `endif165                     
166                       // If the first beat of an incoming transaction is not aligned to word boundary (for example
167                       // if each flash word is 4 bus words wide, and the first word to program starts at index 1),
168                       // the fsm pre-packs the flash word with empty words until the supplied index.
169                       // Once at the index, real data supplied from the flash controller is packed until the last
170                       // beat of data.  At the last beat of data, if it is not also aligned (index 3 in this example),
171                       // more empty words are packed at the end to fill out the word.
172                       //
173                       always_comb begin
174        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
175                     
176        1/1              pack_valid = 1'b0;
           Tests:       T1 T2 T3 
177        1/1              data_sel = Filler;
           Tests:       T1 T2 T3 
178        1/1              plain_ecc_en = 1'b0;
           Tests:       T1 T2 T3 
179        1/1              req_o = 1'b0;
           Tests:       T1 T2 T3 
180        1/1              ack_o = 1'b0;
           Tests:       T1 T2 T3 
181        1/1              last_o = 1'b0;
           Tests:       T1 T2 T3 
182        1/1              calc_req_o = 1'b0;
           Tests:       T1 T2 T3 
183        1/1              scramble_req_o = 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                           StIdle: begin
188                             // if first beat of a transaction is not aligned, prepack with empty bits
189        1/1                  if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
           Tests:       T1 T2 T3 
190                               // only disable during idle state to ensure program is able to gracefully complete
191                               // this is important as we do not want to accidentally disturb any electrical procedure
192                               // internal to the flash macro
193        1/1                    state_d = StDisabled;
           Tests:       T4 T5 T6 
194        1/1                  end else if (req_i && |sel_i) begin
           Tests:       T1 T2 T3 
195        1/1                    state_d = StPrePack;
           Tests:       T20 T26 T37 
196        1/1                  end else if (req_i) begin
           Tests:       T1 T2 T3 
197        1/1                    state_d = StPackData;
           Tests:       T2 T10 T18 
198                             end
                        MISSING_ELSE
199                           end
200                     
201                           StPrePack: begin
202                             // pack until currently supplied data
203        1/1                  pack_valid = (idx < sel_i);
           Tests:       T20 T26 T37 
204        1/1                  if (idx == align_next) begin
           Tests:       T20 T26 T37 
205        1/1                    state_d = StPackData;
           Tests:       T20 T26 T37 
206                             end
                   ==>  MISSING_ELSE
207                           end
208                     
209                           StPackData: begin
210        1/1                  pack_valid = req_i;
           Tests:       T2 T10 T18 
211        1/1                  data_sel = Actual;
           Tests:       T2 T10 T18 
212                     
213        1/1                  if (req_i && idx == MaxIdx) begin
           Tests:       T2 T10 T18 
214                               // last beat of a flash word
215        1/1                    state_d = StCalcPlainEcc;
           Tests:       T2 T10 T18 
216        1/1                  end else if (req_i && last_i) begin
           Tests:       T2 T10 T18 
217                               // last beat is not aligned with the last entry of flash word
218        1/1                    state_d = StPostPack;
           Tests:       T10 T20 T26 
219        1/1                  end else if (req_i) begin
           Tests:       T2 T10 T18 
220        1/1                    ack_o = 1'b1;
           Tests:       T2 T10 T18 
221                             end
                        MISSING_ELSE
222                           end
223                     
224                           StPostPack: begin
225                             // supply filler data
226        1/1                  pack_valid = 1'b1;
           Tests:       T10 T20 T26 
227        1/1                  data_sel = Filler;
           Tests:       T10 T20 T26 
228                     
229                             // finish packing remaining entries
230        1/1                  if (idx == MaxIdx) begin
           Tests:       T10 T20 T26 
231        1/1                    state_d = StCalcPlainEcc;
           Tests:       T10 T20 T26 
232                             end
                   ==>  MISSING_ELSE
233                           end
234                     
235                           StCalcPlainEcc: begin
236        1/1                  plain_ecc_en = 1'b1;
           Tests:       T2 T10 T18 
237        1/1                  state_d = scramble_i ? StCalcMask : StReqFlash;
           Tests:       T2 T10 T18 
238                           end
239                     
240                           StCalcMask: begin
241        1/1                  calc_req_o = 1'b1;
           Tests:       T18 T11 T76 
242                     
243        1/1                  if (calc_ack_i) begin
           Tests:       T18 T11 T76 
244        1/1                    state_d = StScrambleData;
           Tests:       T18 T11 T76 
245                             end
                        MISSING_ELSE
246                           end
247                     
248                           StScrambleData: begin
249        1/1                  scramble_req_o = 1'b1;
           Tests:       T18 T11 T76 
250                     
251        1/1                  if (scramble_ack_i) begin
           Tests:       T18 T11 T76 
252        1/1                    state_d = StCalcEcc;
           Tests:       T18 T11 T76 
253                             end
                        MISSING_ELSE
254                           end
255                     
256                           StCalcEcc: begin
257        1/1                  state_d = StReqFlash;
           Tests:       T18 T11 T76 
258                           end
259                     
260                           StReqFlash: begin
261                             // only request flash if data integrity was valid
262        1/1                  req_o = ~data_invalid_q;
           Tests:       T2 T10 T18 
263        1/1                  last_o = last_i;
           Tests:       T2 T10 T18 
264                     
265                             // if this is the last beat of the program burst
266                             //   - wait for done
267                             // if this is NOT the last beat
268                             //   - ack the upstream request and accept more beats
269        1/1                  if (last_i) begin
           Tests:       T2 T10 T18 
270        1/1                    state_d = ack ? StWaitFlash : StReqFlash;
           Tests:       T2 T10 T18 
271                             end else begin
272        1/1                    ack_o = ack;
           Tests:       T2 T10 T18 
273        1/1                    state_d = ack ? StIdle : StReqFlash;
           Tests:       T2 T10 T18 
274                             end
275                           end
276                     
277                           StWaitFlash: begin
278        1/1                  if (done) begin
           Tests:       T2 T10 T18 
279        1/1                    ack_o = 1'b1;
           Tests:       T2 T10 T18 
280        1/1                    state_d = StIdle;
           Tests:       T2 T10 T18 
281                             end
                        MISSING_ELSE
282                           end
283                     
284                           StDisabled: begin
285        1/1                  state_d = StDisabled;
           Tests:       T4 T5 T6 
286                           end
287                     
288                           default: begin
289                             fsm_err_o = 1'b1;
290                           end
291                     
292                         endcase // unique case (state_q)
293                     
294                       end
295                     
296                       logic [DataWidth-1:0] mask_q;
297                     
298                       always_ff @(posedge clk_i or negedge rst_ni) begin
299        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
300        1/1                packed_data <= '0;
           Tests:       T1 T2 T3 
301        1/1                mask_q <= '0;
           Tests:       T1 T2 T3 
302        1/1              end else if (req_o && ack) begin
           Tests:       T1 T2 T3 
303        1/1                packed_data <= '0;
           Tests:       T2 T10 T18 
304        1/1              end else if (calc_req_o && calc_ack_i) begin
           Tests:       T1 T2 T3 
305        1/1                packed_data <= packed_data ^ mask_i;
           Tests:       T18 T11 T76 
306        1/1                mask_q <= mask_i;
           Tests:       T18 T11 T76 
307        1/1              end else if (scramble_req_o && scramble_ack_i) begin
           Tests:       T1 T2 T3 
308        1/1                packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
           Tests:       T18 T11 T76 
309        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
310        1/1                packed_data[idx] <= pack_data;
           Tests:       T2 T10 T18 
311                         end
                        MISSING_ELSE
312                       end
313                     
314        1/1            assign block_data_o = packed_data;
           Tests:       T1 T2 T3 
315                     
316                       // ECC handling
317                       localparam int PlainDataEccWidth = DataWidth + 8;
318                     
319                       logic [FullDataWidth-1:0] ecc_data;
320                       logic [PlainDataEccWidth-1:0] plain_data_w_ecc;
321                       logic [PlainIntgWidth-1:0] plain_data_ecc;
322                       always_ff @(posedge clk_i or negedge rst_ni) begin
323        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
324        1/1                plain_data_ecc <= '1;
           Tests:       T1 T2 T3 
325        1/1              end else if (plain_ecc_en) begin
           Tests:       T1 T2 T3 
326        1/1                plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
           Tests:       T2 T10 T18 
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       logic [PlainDataWidth-1:0] ecc_data_in;
331        1/1            assign ecc_data_in = {plain_data_ecc, packed_data};
           Tests:       T1 T2 T3 
332                     
333                       // reliability ECC calculation
334                       prim_secded_hamming_76_68_enc u_enc (
335                         .data_i(ecc_data_in),
336                         .data_o(ecc_data)
337                       );
338                     
339                       // integrity ECC calculation
340                       // This instance can technically be merged with the instance above, but is
341                       // kept separate for the sake of convenience
342                       // The plain data ecc is calculated continuously from packed data (which changes
343                       // from packed data to masked/scrambled data based on software configuration).
344                       // The actual plain data ECC is explicitly captured during this process when
345                       // it is required.
346                       prim_secded_hamming_72_64_enc u_plain_enc (
347                         .data_i(packed_data),
348                         .data_o(plain_data_w_ecc)
349                       );
350                     
351                       logic unused_data;
352        1/1            assign unused_data = |plain_data_w_ecc;
           Tests:       T1 T2 T3 
353                     
354                       // pad the remaining bits with '1' if ecc is not used.
355        1/1            assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
           Tests:       T1 T2 T3 
356                     
357                       /////////////////////////////////
358                       // Assertions
359                       /////////////////////////////////
360                     
361                     `ifdef INC_ASSERT
362                       logic txn_done;
363                       logic [15:0] done_cnt_d, done_cnt_q;
364                     
365        1/1            assign txn_done = req_i && ack_o && last_i;
           Tests:       T1 T2 T3 
366        1/1            assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
           Tests:       T1 T2 T3 
367                     
368                       always_ff @(posedge clk_i or negedge rst_ni) begin
369        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
370        1/1                done_cnt_q <= '0;
           Tests:       T1 T2 T3 
371                         end else begin
372        1/1                done_cnt_q <= done_cnt_d;
           Tests:       T1 T2 T3

Cond Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

	Total	Covered	Percent
Conditions	65	61	93.85
Logical	65	61	93.85
Non-Logical	0	0
Event	0	0

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T10,T18

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T10,T18

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T31,T8
1	0	Covered	T6,T31,T8

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T10,T18
1	1	Covered	T6,T31,T8

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------

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

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T31,T8
1	0	Covered	T1,T2,T3

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T10,T18

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------

-1-	Status	Tests
0	Covered	T2,T10,T18
1	Covered	T10,T20,T26

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T2,T10,T18
1	0	Covered	T2,T10,T18
1	1	Covered	T2,T10,T18

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T10,T18

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T10,T18
1	1	Covered	T20,T26,T37

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------

-1-	Status	Tests
0	Not Covered
1	Covered	T20,T26,T37

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T2,T10,T18
1	0	Covered	T2,T10,T18
1	1	Covered	T2,T10,T18

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T2,T10,T18
1	Covered	T2,T10,T18

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--

-1-	-2-	Status	Tests
0	1	Covered	T2,T10,T18
1	0	Covered	T2,T10,T18
1	1	Covered	T10,T20,T26

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------

-1-	Status	Tests
0	Not Covered
1	Covered	T10,T20,T26

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----

-1-	Status	Tests
0	Covered	T2,T10,T18
1	Covered	T18,T11,T76

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T2,T10,T18
1	Covered	T2,T10,T18

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T2,T10,T18
1	Covered	T2,T10,T18

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T2,T10,T18
1	1	Covered	T2,T10,T18

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T18,T11,T76
1	1	Covered	T18,T11,T76

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T18,T11,T76
1	1	Covered	T18,T11,T76

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--

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

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T2,T10,T18
1	1	0	Covered	T2,T10,T18
1	1	1	Covered	T2,T10,T18

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T2,T10,T18

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-

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

FSM Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

**Summary for FSM :: state_q**
	Total	Covered	Percent
States	11	11	100.00	(Not included in score)
Transitions	15	15	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

states	Line No.	Covered	Tests
StCalcEcc	252	Covered	T18,T11,T76
StCalcMask	237	Covered	T18,T11,T76
StCalcPlainEcc	215	Covered	T2,T10,T18
StDisabled	193	Covered	T4,T5,T6
StIdle	273	Covered	T1,T2,T3
StPackData	197	Covered	T2,T10,T18
StPostPack	218	Covered	T10,T20,T26
StPrePack	195	Covered	T20,T26,T37
StReqFlash	237	Covered	T2,T10,T18
StScrambleData	244	Covered	T18,T11,T76
StWaitFlash	270	Covered	T2,T10,T18

transitions	Line No.	Covered	Tests
StCalcEcc->StReqFlash	257	Covered	T18,T11,T76
StCalcMask->StScrambleData	244	Covered	T18,T11,T76
StCalcPlainEcc->StCalcMask	237	Covered	T18,T11,T76
StCalcPlainEcc->StReqFlash	237	Covered	T2,T10,T18
StIdle->StDisabled	193	Covered	T4,T5,T6
StIdle->StPackData	197	Covered	T2,T10,T18
StIdle->StPrePack	195	Covered	T20,T26,T37
StPackData->StCalcPlainEcc	215	Covered	T2,T10,T18
StPackData->StPostPack	218	Covered	T10,T20,T26
StPostPack->StCalcPlainEcc	231	Covered	T10,T20,T26
StPrePack->StPackData	205	Covered	T20,T26,T37
StReqFlash->StIdle	273	Covered	T2,T10,T18
StReqFlash->StWaitFlash	270	Covered	T2,T10,T18
StScrambleData->StCalcEcc	252	Covered	T18,T11,T76
StWaitFlash->StIdle	280	Covered	T2,T10,T18

Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

	Line No.	Total	Covered	Percent
Branches		55	53	96.36
TERNARY	111	2	2	100.00
TERNARY	148	2	2	100.00
TERNARY	355	2	2	100.00
TERNARY	366	3	3	100.00
IF	130	2	2	100.00
IF	151	4	4	100.00
IF	164	2	2	100.00
CASE	186	27	25	92.59
IF	299	6	6	100.00
IF	323	3	3	100.00
IF	369	2	2	100.00



111          assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
                                                      -1-  
                                                      ==>  
                                                      ==>

Branches:

-1-	Status	Tests
1	Covered	T2,T10,T18
0	Covered	T1,T2,T3



148          assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
                                            -1-  
                                            ==>  
                                            ==>

Branches:

-1-	Status	Tests
1	Covered	T2,T10,T18
0	Covered	T1,T2,T3



355          assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
                                   -1-  
                                   ==>  
                                   ==>

Branches:

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



366          assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
                                          -1-          -2-   
                                          ==>          ==>   
                                                       ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T2,T10,T18
0	1	Covered	T1,T2,T3
0	0	Covered	T1,T2,T3



130            if (!rst_ni) begin
               -1-  
131              data_invalid_q <= '0;
                 ==>
132            end else begin
133              data_invalid_q <= data_invalid_d;
                 ==>

Branches:

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



151            if (!rst_ni) begin
               -1-  
152              idx <= '0;
                 ==>
153            end else if (pack_valid && idx == MaxIdx) begin
                        -2-  
154              // when a flash word is packed full, return index to 0
155              idx <= '0;
                 ==>
156            end else if (pack_valid) begin
                        -3-  
157              // increment otherwise
158              idx <= idx + 1'b1;
                 ==>
159            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T1,T2,T3
0	1	-	Covered	T2,T10,T18
0	0	1	Covered	T2,T10,T18
0	0	0	Covered	T1,T2,T3



164          `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
             -1-                                                                      
             ==>                                                                      
             ==>

Branches:

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



186            unique case (state_q)
                      -1-  
187              StIdle: begin
188                // if first beat of a transaction is not aligned, prepack with empty bits
189                if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
                   -2-  
190                  // only disable during idle state to ensure program is able to gracefully complete
191                  // this is important as we do not want to accidentally disturb any electrical procedure
192                  // internal to the flash macro
193                  state_d = StDisabled;
                     ==>
194                end else if (req_i && |sel_i) begin
                            -3-  
195                  state_d = StPrePack;
                     ==>
196                end else if (req_i) begin
                            -4-  
197                  state_d = StPackData;
                     ==>
198                end
                   MISSING_ELSE
                   ==>
199              end
200        
201              StPrePack: begin
202                // pack until currently supplied data
203                pack_valid = (idx < sel_i);
204                if (idx == align_next) begin
                   -5-  
205                  state_d = StPackData;
                     ==>
206                end
                   MISSING_ELSE
                   ==>
207              end
208        
209              StPackData: begin
210                pack_valid = req_i;
211                data_sel = Actual;
212        
213                if (req_i && idx == MaxIdx) begin
                   -6-  
214                  // last beat of a flash word
215                  state_d = StCalcPlainEcc;
                     ==>
216                end else if (req_i && last_i) begin
                            -7-  
217                  // last beat is not aligned with the last entry of flash word
218                  state_d = StPostPack;
                     ==>
219                end else if (req_i) begin
                            -8-  
220                  ack_o = 1'b1;
                     ==>
221                end
                   MISSING_ELSE
                   ==>
222              end
223        
224              StPostPack: begin
225                // supply filler data
226                pack_valid = 1'b1;
227                data_sel = Filler;
228        
229                // finish packing remaining entries
230                if (idx == MaxIdx) begin
                   -9-  
231                  state_d = StCalcPlainEcc;
                     ==>
232                end
                   MISSING_ELSE
                   ==>
233              end
234        
235              StCalcPlainEcc: begin
236                plain_ecc_en = 1'b1;
237                state_d = scramble_i ? StCalcMask : StReqFlash;
                                        -10-  
                                        ==>  
                                        ==>  
238              end
239        
240              StCalcMask: begin
241                calc_req_o = 1'b1;
242        
243                if (calc_ack_i) begin
                   -11-  
244                  state_d = StScrambleData;
                     ==>
245                end
                   MISSING_ELSE
                   ==>
246              end
247        
248              StScrambleData: begin
249                scramble_req_o = 1'b1;
250        
251                if (scramble_ack_i) begin
                   -12-  
252                  state_d = StCalcEcc;
                     ==>
253                end
                   MISSING_ELSE
                   ==>
254              end
255        
256              StCalcEcc: begin
257                state_d = StReqFlash;
                   ==>
258              end
259        
260              StReqFlash: begin
261                // only request flash if data integrity was valid
262                req_o = ~data_invalid_q;
263                last_o = last_i;
264        
265                // if this is the last beat of the program burst
266                //   - wait for done
267                // if this is NOT the last beat
268                //   - ack the upstream request and accept more beats
269                if (last_i) begin
                   -13-  
270                  state_d = ack ? StWaitFlash : StReqFlash;
                                   -14-  
                                   ==>  
                                   ==>  
271                end else begin
272                  ack_o = ack;
273                  state_d = ack ? StIdle : StReqFlash;
                                   -15-  
                                   ==>  
                                   ==>  
274                end
275              end
276        
277              StWaitFlash: begin
278                if (done) begin
                   -16-  
279                  ack_o = 1'b1;
                     ==>
280                  state_d = StIdle;
281                end
                   MISSING_ELSE
                   ==>
282              end
283        
284              StDisabled: begin
285                state_d = StDisabled;
                   ==>
286              end
287        
288              default: begin
289                fsm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests
StIdle	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
StIdle	0	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T20,T26,T37
StIdle	0	0	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T2,T10,T18
StIdle	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
StPrePack	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	Covered	T20,T26,T37
StPrePack	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Not Covered
StPackData	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	Covered	T2,T10,T18
StPackData	-	-	-	-	0	1	-	-	-	-	-	-	-	-	-	Covered	T10,T20,T26
StPackData	-	-	-	-	0	0	1	-	-	-	-	-	-	-	-	Covered	T2,T10,T18
StPackData	-	-	-	-	0	0	0	-	-	-	-	-	-	-	-	Covered	T2,T10,T18
StPostPack	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	Covered	T10,T20,T26
StPostPack	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Not Covered
StCalcPlainEcc	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	Covered	T18,T11,T76
StCalcPlainEcc	-	-	-	-	-	-	-	-	0	-	-	-	-	-	-	Covered	T2,T10,T18
StCalcMask	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	Covered	T18,T11,T76
StCalcMask	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T18,T11,T76
StScrambleData	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	Covered	T18,T11,T76
StScrambleData	-	-	-	-	-	-	-	-	-	-	0	-	-	-	-	Covered	T18,T11,T76
StCalcEcc	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T18,T11,T76
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	Covered	T2,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	0	-	-	Covered	T2,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	1	-	Covered	T2,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	0	-	Covered	T2,T10,T18
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	Covered	T2,T10,T18
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	Covered	T2,T10,T18
StDisabled	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T12,T13,T14



299            if (!rst_ni) begin
               -1-  
300              packed_data <= '0;
                 ==>
301              mask_q <= '0;
302            end else if (req_o && ack) begin
                        -2-  
303              packed_data <= '0;
                 ==>
304            end else if (calc_req_o && calc_ack_i) begin
                        -3-  
305              packed_data <= packed_data ^ mask_i;
                 ==>
306              mask_q <= mask_i;
307            end else if (scramble_req_o && scramble_ack_i) begin
                        -4-  
308              packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
                 ==>
309            end else if (pack_valid) begin
                        -5-  
310              packed_data[idx] <= pack_data;
                 ==>
311            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
1	-	-	-	-	Covered	T1,T2,T3
0	1	-	-	-	Covered	T2,T10,T18
0	0	1	-	-	Covered	T18,T11,T76
0	0	0	1	-	Covered	T18,T11,T76
0	0	0	0	1	Covered	T2,T10,T18
0	0	0	0	0	Covered	T1,T2,T3



323            if (!rst_ni) begin
               -1-  
324              plain_data_ecc <= '1;
                 ==>
325            end else if (plain_ecc_en) begin
                        -2-  
326              plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T2,T10,T18
0	0	Covered	T1,T2,T3



369            if (!rst_ni) begin
               -1-  
370              done_cnt_q <= '0;
                 ==>
371            end else begin
372              done_cnt_q <= done_cnt_d;
                 ==>

Branches:

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

Assert Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	5	5	100.00	5	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	5	5	100.00	5	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
OneDonePerTxn_A	361909267	1181224	0	0
PostPackRule_A	361909267	900	0	0
PrePackRule_A	361909267	629	0	0
WidthCheck_A	1048	1048	0	0
u_state_regs_A	361909267	361047510	0	0

OneDonePerTxn_A

Name	Attempts	Real Successes
Total	361909267	1181224
T2	1916	1
T3	33100	0
T4	4218	0
T9	4035	0
T10	6277	3
T11	0	201
T15	1455	0
T16	2031	0
T17	1869	0
T18	195519	31
T20	137786	4
T26	0	30
T27	0	350
T37	0	69
T59	0	4
T76	0	120

PostPackRule_A

Name	Attempts	Real Successes
Total	361909267	900
T4	4218	0
T10	6277	1
T11	44559	0
T17	1869	0
T18	195519	0
T20	137786	2
T26	94815	20
T35	0	2
T37	414356	4
T59	0	3
T70	1526	0
T71	0	12
T76	35846	0
T227	0	2
T234	0	1
T236	0	1

PrePackRule_A

Name	Attempts	Real Successes
Total	361909267	629
T11	44559	0
T20	137786	1
T26	94815	14
T27	298904	0
T35	0	2
T37	414356	3
T59	5501	3
T67	50481	0
T70	1526	0
T71	0	15
T76	35846	0
T148	1461	0
T227	0	2
T234	0	1
T235	0	1
T236	0	1

WidthCheck_A

Name	Attempts	Real Successes
Total	1048	1048
T1	1	1
T2	1	1
T3	1	1
T4	1	1
T9	1	1
T10	1	1
T15	1	1
T16	1	1
T17	1	1
T18	1	1

u_state_regs_A

Name	Attempts	Real Successes
Total	361909267	361047510
T1	1577	1514
T2	1916	1822
T3	33100	33039
T4	4218	3512
T9	4035	3976
T10	6277	6206
T15	1455	1381
T16	2031	1975
T17	1869	1775
T18	195519	195455

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

	Line No.	Total	Covered	Percent
TOTAL		96	96	100.00
CONT_ASSIGN	111	1	1	100.00
CONT_ASSIGN	122	1	1	100.00
CONT_ASSIGN	126	1	1	100.00
ALWAYS	130	3	3	100.00
CONT_ASSIGN	138	1	1	100.00
CONT_ASSIGN	143	1	1	100.00
CONT_ASSIGN	144	1	1	100.00
CONT_ASSIGN	147	1	1	100.00
CONT_ASSIGN	148	1	1	100.00
ALWAYS	151	6	6	100.00
ALWAYS	164	3	3	100.00
ALWAYS	174	51	51	100.00
ALWAYS	299	12	12	100.00
CONT_ASSIGN	314	1	1	100.00
ALWAYS	323	4	4	100.00
CONT_ASSIGN	331	1	1	100.00
CONT_ASSIGN	352	1	1	100.00
CONT_ASSIGN	355	1	1	100.00
CONT_ASSIGN	365	1	1	100.00
CONT_ASSIGN	366	1	1	100.00
ALWAYS	369	3	3	100.00



110                       // selects empty data or real data
111        1/1            assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
           Tests:       T1 T2 T3 
112                     
113                       logic data_intg_ok;
114                       logic data_err;
115                     
116                       // use the tlul integrity module directly for bus integrity
117                       // SEC_CM: MEM.BUS.INTEGRITY
118                       tlul_data_integ_dec u_data_intg_chk (
119                         .data_intg_i(data_i),
120                         .data_err_o(data_err)
121                       );
122        1/1            assign data_intg_ok = ~data_err;
           Tests:       T1 T2 T3 
123                     
124                       logic data_invalid_q, data_invalid_d;
125                       // hold on integrity failure indication until reset
126        1/1            assign data_invalid_d = data_invalid_q |
           Tests:       T1 T2 T3 
127                                               (pack_valid & ~data_intg_ok);
128                     
129                       always_ff @(posedge clk_i or negedge rst_ni) begin
130        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
131        1/1                data_invalid_q <= '0;
           Tests:       T1 T2 T3 
132                         end else begin
133        1/1                data_invalid_q <= data_invalid_d;
           Tests:       T1 T2 T3 
134                         end
135                       end
136                     
137                       // indication to upper layer presence of error
138        1/1            assign intg_err_o = data_invalid_q;
           Tests:       T1 T2 T3 
139                     
140                       // if integrity failure is seen, fake communication with flash
141                       // and simply terminate
142                       logic ack, done;
143        1/1            assign ack = ack_i | data_invalid_q;
           Tests:       T1 T2 T3 
144        1/1            assign done = done_i | data_invalid_q;
           Tests:       T1 T2 T3 
145                     
146                       // next idx will be aligned
147        1/1            assign idx_sub_one = idx - 1'b1;
           Tests:       T1 T2 T3 
148        1/1            assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
           Tests:       T1 T2 T3 
149                     
150                       always_ff @(posedge clk_i or negedge rst_ni) begin
151        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
152        1/1                idx <= '0;
           Tests:       T1 T2 T3 
153        1/1              end else if (pack_valid && idx == MaxIdx) begin
           Tests:       T1 T2 T3 
154                           // when a flash word is packed full, return index to 0
155        1/1                idx <= '0;
           Tests:       T9 T10 T18 
156        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
157                           // increment otherwise
158        1/1                idx <= idx + 1'b1;
           Tests:       T9 T10 T18 
159                         end
                        MISSING_ELSE
160                       end
161                     
162                     
163                       // SEC_CM: PHY_PROG.FSM.SPARSE
164        3/3            `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
           Tests:       T1 T2 T3  | T1 T2 T3  | T1 T2 T3 
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle):
164.1                   `ifdef SIMULATION                                   
164.2                       prim_sparse_fsm_flop #(                           
164.3                         .StateEnumT(state_e),                            
164.4                         .Width($bits(state_e)),                          
164.5                         .ResetValue($bits(state_e)'(StIdle)),          
164.6                         .EnableAlertTriggerSVA(1), 
164.7                         .CustomForceName("state_q")          
164.8                       ) u_state_regs (                                        
164.9                         .clk_i   ( clk_i   ),                           
164.10                        .rst_ni  ( rst_ni ),                           
164.11                        .state_i ( state_d     ),                           
164.12                        .state_o (         )                            
164.13                      );                                                
164.14                      always_ff @(posedge clk_i or negedge rst_ni) begin 
164.15     1/1              if (!rst_ni) begin                               
           Tests:       T1 T2 T3 
164.16     1/1                state_q <= StIdle;                                
           Tests:       T1 T2 T3 
164.17                      end else begin                                    
164.18     1/1                state_q <= state_d;                                     
           Tests:       T1 T2 T3 
164.19                      end                                               
164.20                    end  
164.21                      u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o))       
164.22                      else begin                                                                           
164.23                        `ifdef UVM                                                                               
164.24                    uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 
164.25                                              "../src/lowrisc_opentitan_top_earlgrey_flash_ctrl_0.1/rtl/flash_phy_prog.sv", 164, "", 1);                                
164.26                  `else                                                                                    
164.27                    $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__,         
164.28                           `PRIM_STRINGIFY(u_state_regs_A));                                                       
164.29                  `endif                                                              
164.30                      end 
164.31                    `else                                               
164.32                      prim_sparse_fsm_flop #(                           
164.33                        .StateEnumT(state_e),                            
164.34                        .Width($bits(state_e)),                          
164.35                        .ResetValue($bits(state_e)'(StIdle)),          
164.36                        .EnableAlertTriggerSVA(1)  
164.37                      ) u_state_regs (                                        
164.38                        .clk_i   ( `PRIM_FLOP_CLK   ),                           
164.39                        .rst_ni  ( `PRIM_FLOP_RST ),                           
164.40                        .state_i ( state_d     ),                           
164.41                        .state_o ( state_q     )                            
164.42                      );                                                
164.43                    `endif165                     
166                       // If the first beat of an incoming transaction is not aligned to word boundary (for example
167                       // if each flash word is 4 bus words wide, and the first word to program starts at index 1),
168                       // the fsm pre-packs the flash word with empty words until the supplied index.
169                       // Once at the index, real data supplied from the flash controller is packed until the last
170                       // beat of data.  At the last beat of data, if it is not also aligned (index 3 in this example),
171                       // more empty words are packed at the end to fill out the word.
172                       //
173                       always_comb begin
174        1/1              state_d = state_q;
           Tests:       T1 T2 T3 
175                     
176        1/1              pack_valid = 1'b0;
           Tests:       T1 T2 T3 
177        1/1              data_sel = Filler;
           Tests:       T1 T2 T3 
178        1/1              plain_ecc_en = 1'b0;
           Tests:       T1 T2 T3 
179        1/1              req_o = 1'b0;
           Tests:       T1 T2 T3 
180        1/1              ack_o = 1'b0;
           Tests:       T1 T2 T3 
181        1/1              last_o = 1'b0;
           Tests:       T1 T2 T3 
182        1/1              calc_req_o = 1'b0;
           Tests:       T1 T2 T3 
183        1/1              scramble_req_o = 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                           StIdle: begin
188                             // if first beat of a transaction is not aligned, prepack with empty bits
189        1/1                  if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
           Tests:       T1 T2 T3 
190                               // only disable during idle state to ensure program is able to gracefully complete
191                               // this is important as we do not want to accidentally disturb any electrical procedure
192                               // internal to the flash macro
193        1/1                    state_d = StDisabled;
           Tests:       T4 T5 T6 
194        1/1                  end else if (req_i && |sel_i) begin
           Tests:       T1 T2 T3 
195        1/1                    state_d = StPrePack;
           Tests:       T26 T37 T59 
196        1/1                  end else if (req_i) begin
           Tests:       T1 T2 T3 
197        1/1                    state_d = StPackData;
           Tests:       T9 T10 T18 
198                             end
                        MISSING_ELSE
199                           end
200                     
201                           StPrePack: begin
202                             // pack until currently supplied data
203        1/1                  pack_valid = (idx < sel_i);
           Tests:       T26 T37 T59 
204        1/1                  if (idx == align_next) begin
           Tests:       T26 T37 T59 
205        1/1                    state_d = StPackData;
           Tests:       T26 T37 T59 
206                             end
                   ==>  MISSING_ELSE
207                           end
208                     
209                           StPackData: begin
210        1/1                  pack_valid = req_i;
           Tests:       T9 T10 T18 
211        1/1                  data_sel = Actual;
           Tests:       T9 T10 T18 
212                     
213        1/1                  if (req_i && idx == MaxIdx) begin
           Tests:       T9 T10 T18 
214                               // last beat of a flash word
215        1/1                    state_d = StCalcPlainEcc;
           Tests:       T9 T10 T18 
216        1/1                  end else if (req_i && last_i) begin
           Tests:       T9 T10 T18 
217                               // last beat is not aligned with the last entry of flash word
218        1/1                    state_d = StPostPack;
           Tests:       T10 T26 T37 
219        1/1                  end else if (req_i) begin
           Tests:       T9 T10 T18 
220        1/1                    ack_o = 1'b1;
           Tests:       T9 T10 T18 
221                             end
                        MISSING_ELSE
222                           end
223                     
224                           StPostPack: begin
225                             // supply filler data
226        1/1                  pack_valid = 1'b1;
           Tests:       T10 T26 T37 
227        1/1                  data_sel = Filler;
           Tests:       T10 T26 T37 
228                     
229                             // finish packing remaining entries
230        1/1                  if (idx == MaxIdx) begin
           Tests:       T10 T26 T37 
231        1/1                    state_d = StCalcPlainEcc;
           Tests:       T10 T26 T37 
232                             end
                   ==>  MISSING_ELSE
233                           end
234                     
235                           StCalcPlainEcc: begin
236        1/1                  plain_ecc_en = 1'b1;
           Tests:       T9 T10 T18 
237        1/1                  state_d = scramble_i ? StCalcMask : StReqFlash;
           Tests:       T9 T10 T18 
238                           end
239                     
240                           StCalcMask: begin
241        1/1                  calc_req_o = 1'b1;
           Tests:       T11 T76 T148 
242                     
243        1/1                  if (calc_ack_i) begin
           Tests:       T11 T76 T148 
244        1/1                    state_d = StScrambleData;
           Tests:       T11 T76 T41 
245                             end
                        MISSING_ELSE
246                           end
247                     
248                           StScrambleData: begin
249        1/1                  scramble_req_o = 1'b1;
           Tests:       T11 T76 T41 
250                     
251        1/1                  if (scramble_ack_i) begin
           Tests:       T11 T76 T41 
252        1/1                    state_d = StCalcEcc;
           Tests:       T11 T76 T41 
253                             end
                        MISSING_ELSE
254                           end
255                     
256                           StCalcEcc: begin
257        1/1                  state_d = StReqFlash;
           Tests:       T11 T76 T41 
258                           end
259                     
260                           StReqFlash: begin
261                             // only request flash if data integrity was valid
262        1/1                  req_o = ~data_invalid_q;
           Tests:       T9 T10 T18 
263        1/1                  last_o = last_i;
           Tests:       T9 T10 T18 
264                     
265                             // if this is the last beat of the program burst
266                             //   - wait for done
267                             // if this is NOT the last beat
268                             //   - ack the upstream request and accept more beats
269        1/1                  if (last_i) begin
           Tests:       T9 T10 T18 
270        1/1                    state_d = ack ? StWaitFlash : StReqFlash;
           Tests:       T9 T10 T18 
271                             end else begin
272        1/1                    ack_o = ack;
           Tests:       T9 T10 T18 
273        1/1                    state_d = ack ? StIdle : StReqFlash;
           Tests:       T9 T10 T18 
274                             end
275                           end
276                     
277                           StWaitFlash: begin
278        1/1                  if (done) begin
           Tests:       T9 T10 T18 
279        1/1                    ack_o = 1'b1;
           Tests:       T9 T10 T18 
280        1/1                    state_d = StIdle;
           Tests:       T9 T10 T18 
281                             end
                        MISSING_ELSE
282                           end
283                     
284                           StDisabled: begin
285        1/1                  state_d = StDisabled;
           Tests:       T4 T5 T6 
286                           end
287                     
288                           default: begin
289                             fsm_err_o = 1'b1;
290                           end
291                     
292                         endcase // unique case (state_q)
293                     
294                       end
295                     
296                       logic [DataWidth-1:0] mask_q;
297                     
298                       always_ff @(posedge clk_i or negedge rst_ni) begin
299        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
300        1/1                packed_data <= '0;
           Tests:       T1 T2 T3 
301        1/1                mask_q <= '0;
           Tests:       T1 T2 T3 
302        1/1              end else if (req_o && ack) begin
           Tests:       T1 T2 T3 
303        1/1                packed_data <= '0;
           Tests:       T9 T10 T18 
304        1/1              end else if (calc_req_o && calc_ack_i) begin
           Tests:       T1 T2 T3 
305        1/1                packed_data <= packed_data ^ mask_i;
           Tests:       T11 T76 T41 
306        1/1                mask_q <= mask_i;
           Tests:       T11 T76 T41 
307        1/1              end else if (scramble_req_o && scramble_ack_i) begin
           Tests:       T1 T2 T3 
308        1/1                packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
           Tests:       T11 T76 T41 
309        1/1              end else if (pack_valid) begin
           Tests:       T1 T2 T3 
310        1/1                packed_data[idx] <= pack_data;
           Tests:       T9 T10 T18 
311                         end
                        MISSING_ELSE
312                       end
313                     
314        1/1            assign block_data_o = packed_data;
           Tests:       T1 T2 T3 
315                     
316                       // ECC handling
317                       localparam int PlainDataEccWidth = DataWidth + 8;
318                     
319                       logic [FullDataWidth-1:0] ecc_data;
320                       logic [PlainDataEccWidth-1:0] plain_data_w_ecc;
321                       logic [PlainIntgWidth-1:0] plain_data_ecc;
322                       always_ff @(posedge clk_i or negedge rst_ni) begin
323        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
324        1/1                plain_data_ecc <= '1;
           Tests:       T1 T2 T3 
325        1/1              end else if (plain_ecc_en) begin
           Tests:       T1 T2 T3 
326        1/1                plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
           Tests:       T9 T10 T18 
327                         end
                        MISSING_ELSE
328                       end
329                     
330                       logic [PlainDataWidth-1:0] ecc_data_in;
331        1/1            assign ecc_data_in = {plain_data_ecc, packed_data};
           Tests:       T1 T2 T3 
332                     
333                       // reliability ECC calculation
334                       prim_secded_hamming_76_68_enc u_enc (
335                         .data_i(ecc_data_in),
336                         .data_o(ecc_data)
337                       );
338                     
339                       // integrity ECC calculation
340                       // This instance can technically be merged with the instance above, but is
341                       // kept separate for the sake of convenience
342                       // The plain data ecc is calculated continuously from packed data (which changes
343                       // from packed data to masked/scrambled data based on software configuration).
344                       // The actual plain data ECC is explicitly captured during this process when
345                       // it is required.
346                       prim_secded_hamming_72_64_enc u_plain_enc (
347                         .data_i(packed_data),
348                         .data_o(plain_data_w_ecc)
349                       );
350                     
351                       logic unused_data;
352        1/1            assign unused_data = |plain_data_w_ecc;
           Tests:       T1 T2 T3 
353                     
354                       // pad the remaining bits with '1' if ecc is not used.
355        1/1            assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
           Tests:       T1 T2 T3 
356                     
357                       /////////////////////////////////
358                       // Assertions
359                       /////////////////////////////////
360                     
361                     `ifdef INC_ASSERT
362                       logic txn_done;
363                       logic [15:0] done_cnt_d, done_cnt_q;
364                     
365        1/1            assign txn_done = req_i && ack_o && last_i;
           Tests:       T1 T2 T3 
366        1/1            assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
           Tests:       T1 T2 T3 
367                     
368                       always_ff @(posedge clk_i or negedge rst_ni) begin
369        1/1              if (!rst_ni) begin
           Tests:       T1 T2 T3 
370        1/1                done_cnt_q <= '0;
           Tests:       T1 T2 T3 
371                         end else begin
372        1/1                done_cnt_q <= done_cnt_d;
           Tests:       T1 T2 T3

Cond Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

	Total	Covered	Percent
Conditions	65	61	93.85
Logical	65	61	93.85
Non-Logical	0	0
Event	0	0

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T9,T10,T18

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T9,T10,T18

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T19
1	0	Covered	T6,T19

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T9,T10,T18
1	1	Covered	T6,T19

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------

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

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------

-1-	-2-	Status	Tests
0	0	Covered	T1,T2,T3
0	1	Covered	T6,T19
1	0	Covered	T3,T9,T16

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T9,T10,T18

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------

-1-	Status	Tests
0	Covered	T9,T10,T18
1	Covered	T10,T26,T37

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T9,T10,T18
1	0	Covered	T9,T10,T18
1	1	Covered	T9,T10,T18

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T9,T10,T18

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T9,T10,T18
1	1	Covered	T26,T37,T59

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------

-1-	Status	Tests
0	Not Covered
1	Covered	T26,T37,T59

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------

-1-	-2-	Status	Tests
0	1	Covered	T9,T10,T18
1	0	Covered	T9,T10,T18
1	1	Covered	T9,T10,T18

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------

-1-	Status	Tests
0	Covered	T9,T10,T18
1	Covered	T9,T10,T18

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--

-1-	-2-	Status	Tests
0	1	Covered	T9,T10,T18
1	0	Covered	T9,T10,T18
1	1	Covered	T10,T26,T37

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------

-1-	Status	Tests
0	Not Covered
1	Covered	T10,T26,T37

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----

-1-	Status	Tests
0	Covered	T9,T10,T18
1	Covered	T11,T76,T148

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T9,T10,T18
1	Covered	T9,T10,T18

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-

-1-	Status	Tests
0	Covered	T9,T10,T18
1	Covered	T9,T10,T18

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-

-1-	-2-	Status	Tests
0	1	Covered	T1,T2,T3
1	0	Covered	T9,T10,T18
1	1	Covered	T9,T10,T18

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----

-1-	-2-	Status	Tests
0	1	Covered	T17,T11,T76
1	0	Covered	T11,T76,T41
1	1	Covered	T11,T76,T41

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------

-1-	-2-	Status	Tests
0	1	Covered	T17,T11,T76
1	0	Covered	T11,T76,T41
1	1	Covered	T11,T76,T41

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--

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

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--

-1-	-2-	-3-	Status	Tests
0	1	1	Not Covered
1	0	1	Covered	T9,T10,T18
1	1	0	Covered	T9,T10,T18
1	1	1	Covered	T9,T10,T18

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T9,T10,T18

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-

-1-	Status	Tests
0	Covered	T1,T2,T3
1	Covered	T3,T16,T10

FSM Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

**Summary for FSM :: state_q**
	Total	Covered	Percent
States	11	11	100.00	(Not included in score)
Transitions	15	15	100.00
Sequences	0	0

State, Transition and Sequence Details for FSM :: state_q

states	Line No.	Covered	Tests
StCalcEcc	252	Covered	T11,T76,T41
StCalcMask	237	Covered	T11,T76,T148
StCalcPlainEcc	215	Covered	T9,T10,T18
StDisabled	193	Covered	T4,T5,T6
StIdle	273	Covered	T1,T2,T3
StPackData	197	Covered	T9,T10,T18
StPostPack	218	Covered	T10,T26,T37
StPrePack	195	Covered	T26,T37,T59
StReqFlash	237	Covered	T9,T10,T18
StScrambleData	244	Covered	T11,T76,T41
StWaitFlash	270	Covered	T9,T10,T18

transitions	Line No.	Covered	Tests
StCalcEcc->StReqFlash	257	Covered	T11,T76,T41
StCalcMask->StScrambleData	244	Covered	T11,T76,T41
StCalcPlainEcc->StCalcMask	237	Covered	T11,T76,T148
StCalcPlainEcc->StReqFlash	237	Covered	T9,T10,T18
StIdle->StDisabled	193	Covered	T4,T5,T6
StIdle->StPackData	197	Covered	T9,T10,T18
StIdle->StPrePack	195	Covered	T26,T37,T59
StPackData->StCalcPlainEcc	215	Covered	T9,T10,T18
StPackData->StPostPack	218	Covered	T10,T26,T37
StPostPack->StCalcPlainEcc	231	Covered	T10,T26,T37
StPrePack->StPackData	205	Covered	T26,T37,T59
StReqFlash->StIdle	273	Covered	T9,T10,T18
StReqFlash->StWaitFlash	270	Covered	T9,T10,T18
StScrambleData->StCalcEcc	252	Covered	T11,T76,T41
StWaitFlash->StIdle	280	Covered	T9,T10,T18

Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

	Line No.	Total	Covered	Percent
Branches		55	53	96.36
TERNARY	111	2	2	100.00
TERNARY	148	2	2	100.00
TERNARY	355	2	2	100.00
TERNARY	366	3	3	100.00
IF	130	2	2	100.00
IF	151	4	4	100.00
IF	164	2	2	100.00
CASE	186	27	25	92.59
IF	299	6	6	100.00
IF	323	3	3	100.00
IF	369	2	2	100.00



111          assign pack_data  = (data_sel == Actual) ? data_i[BusWidth-1:0] : {BusWidth{1'b1}};
                                                      -1-  
                                                      ==>  
                                                      ==>

Branches:

-1-	Status	Tests
1	Covered	T9,T10,T18
0	Covered	T1,T2,T3



148          assign align_next = (idx > '0) ? (idx_sub_one == sel_i) : 1'b0;
                                            -1-  
                                            ==>  
                                            ==>

Branches:

-1-	Status	Tests
1	Covered	T9,T10,T18
0	Covered	T1,T2,T3



355          assign data_o = ecc_i ? ecc_data : {{EccWidth{1'b1}}, ecc_data_in};
                                   -1-  
                                   ==>  
                                   ==>

Branches:

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



366          assign done_cnt_d = txn_done ? '0 : (done ? done_cnt_q + 16'h1 : done_cnt_q);
                                          -1-          -2-   
                                          ==>          ==>   
                                                       ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T9,T10,T18
0	1	Covered	T3,T16,T10
0	0	Covered	T1,T2,T3



130            if (!rst_ni) begin
               -1-  
131              data_invalid_q <= '0;
                 ==>
132            end else begin
133              data_invalid_q <= data_invalid_d;
                 ==>

Branches:

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



151            if (!rst_ni) begin
               -1-  
152              idx <= '0;
                 ==>
153            end else if (pack_valid && idx == MaxIdx) begin
                        -2-  
154              // when a flash word is packed full, return index to 0
155              idx <= '0;
                 ==>
156            end else if (pack_valid) begin
                        -3-  
157              // increment otherwise
158              idx <= idx + 1'b1;
                 ==>
159            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	Status	Tests
1	-	-	Covered	T1,T2,T3
0	1	-	Covered	T9,T10,T18
0	0	1	Covered	T9,T10,T18
0	0	0	Covered	T1,T2,T3



164          `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, StIdle)
             -1-                                                                      
             ==>                                                                      
             ==>

Branches:

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



186            unique case (state_q)
                      -1-  
187              StIdle: begin
188                // if first beat of a transaction is not aligned, prepack with empty bits
189                if (prim_mubi_pkg::mubi4_test_true_loose(disable_i)) begin
                   -2-  
190                  // only disable during idle state to ensure program is able to gracefully complete
191                  // this is important as we do not want to accidentally disturb any electrical procedure
192                  // internal to the flash macro
193                  state_d = StDisabled;
                     ==>
194                end else if (req_i && |sel_i) begin
                            -3-  
195                  state_d = StPrePack;
                     ==>
196                end else if (req_i) begin
                            -4-  
197                  state_d = StPackData;
                     ==>
198                end
                   MISSING_ELSE
                   ==>
199              end
200        
201              StPrePack: begin
202                // pack until currently supplied data
203                pack_valid = (idx < sel_i);
204                if (idx == align_next) begin
                   -5-  
205                  state_d = StPackData;
                     ==>
206                end
                   MISSING_ELSE
                   ==>
207              end
208        
209              StPackData: begin
210                pack_valid = req_i;
211                data_sel = Actual;
212        
213                if (req_i && idx == MaxIdx) begin
                   -6-  
214                  // last beat of a flash word
215                  state_d = StCalcPlainEcc;
                     ==>
216                end else if (req_i && last_i) begin
                            -7-  
217                  // last beat is not aligned with the last entry of flash word
218                  state_d = StPostPack;
                     ==>
219                end else if (req_i) begin
                            -8-  
220                  ack_o = 1'b1;
                     ==>
221                end
                   MISSING_ELSE
                   ==>
222              end
223        
224              StPostPack: begin
225                // supply filler data
226                pack_valid = 1'b1;
227                data_sel = Filler;
228        
229                // finish packing remaining entries
230                if (idx == MaxIdx) begin
                   -9-  
231                  state_d = StCalcPlainEcc;
                     ==>
232                end
                   MISSING_ELSE
                   ==>
233              end
234        
235              StCalcPlainEcc: begin
236                plain_ecc_en = 1'b1;
237                state_d = scramble_i ? StCalcMask : StReqFlash;
                                        -10-  
                                        ==>  
                                        ==>  
238              end
239        
240              StCalcMask: begin
241                calc_req_o = 1'b1;
242        
243                if (calc_ack_i) begin
                   -11-  
244                  state_d = StScrambleData;
                     ==>
245                end
                   MISSING_ELSE
                   ==>
246              end
247        
248              StScrambleData: begin
249                scramble_req_o = 1'b1;
250        
251                if (scramble_ack_i) begin
                   -12-  
252                  state_d = StCalcEcc;
                     ==>
253                end
                   MISSING_ELSE
                   ==>
254              end
255        
256              StCalcEcc: begin
257                state_d = StReqFlash;
                   ==>
258              end
259        
260              StReqFlash: begin
261                // only request flash if data integrity was valid
262                req_o = ~data_invalid_q;
263                last_o = last_i;
264        
265                // if this is the last beat of the program burst
266                //   - wait for done
267                // if this is NOT the last beat
268                //   - ack the upstream request and accept more beats
269                if (last_i) begin
                   -13-  
270                  state_d = ack ? StWaitFlash : StReqFlash;
                                   -14-  
                                   ==>  
                                   ==>  
271                end else begin
272                  ack_o = ack;
273                  state_d = ack ? StIdle : StReqFlash;
                                   -15-  
                                   ==>  
                                   ==>  
274                end
275              end
276        
277              StWaitFlash: begin
278                if (done) begin
                   -16-  
279                  ack_o = 1'b1;
                     ==>
280                  state_d = StIdle;
281                end
                   MISSING_ELSE
                   ==>
282              end
283        
284              StDisabled: begin
285                state_d = StDisabled;
                   ==>
286              end
287        
288              default: begin
289                fsm_err_o = 1'b1;
                   ==>

Branches:

-1-	-2-	-3-	-4-	-5-	-6-	-7-	-8-	-9-	-10-	-11-	-12-	-13-	-14-	-15-	-16-	Status	Tests
StIdle	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
StIdle	0	1	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T26,T37,T59
StIdle	0	0	1	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T9,T10,T18
StIdle	0	0	0	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T1,T2,T3
StPrePack	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	Covered	T26,T37,T59
StPrePack	-	-	-	0	-	-	-	-	-	-	-	-	-	-	-	Not Covered
StPackData	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	Covered	T9,T10,T18
StPackData	-	-	-	-	0	1	-	-	-	-	-	-	-	-	-	Covered	T10,T26,T37
StPackData	-	-	-	-	0	0	1	-	-	-	-	-	-	-	-	Covered	T9,T10,T18
StPackData	-	-	-	-	0	0	0	-	-	-	-	-	-	-	-	Covered	T9,T10,T18
StPostPack	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	Covered	T10,T26,T37
StPostPack	-	-	-	-	-	-	-	0	-	-	-	-	-	-	-	Not Covered
StCalcPlainEcc	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	Covered	T11,T76,T148
StCalcPlainEcc	-	-	-	-	-	-	-	-	0	-	-	-	-	-	-	Covered	T9,T10,T18
StCalcMask	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	Covered	T11,T76,T41
StCalcMask	-	-	-	-	-	-	-	-	-	0	-	-	-	-	-	Covered	T11,T76,T148
StScrambleData	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	Covered	T11,T76,T41
StScrambleData	-	-	-	-	-	-	-	-	-	-	0	-	-	-	-	Covered	T11,T76,T41
StCalcEcc	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T11,T76,T41
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	1	-	-	Covered	T9,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	1	0	-	-	Covered	T9,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	1	-	Covered	T9,T10,T18
StReqFlash	-	-	-	-	-	-	-	-	-	-	-	0	-	0	-	Covered	T9,T10,T18
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	Covered	T9,T10,T18
StWaitFlash	-	-	-	-	-	-	-	-	-	-	-	-	-	-	0	Covered	T9,T10,T18
StDisabled	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T4,T5,T6
default	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Covered	T12,T13,T14



299            if (!rst_ni) begin
               -1-  
300              packed_data <= '0;
                 ==>
301              mask_q <= '0;
302            end else if (req_o && ack) begin
                        -2-  
303              packed_data <= '0;
                 ==>
304            end else if (calc_req_o && calc_ack_i) begin
                        -3-  
305              packed_data <= packed_data ^ mask_i;
                 ==>
306              mask_q <= mask_i;
307            end else if (scramble_req_o && scramble_ack_i) begin
                        -4-  
308              packed_data <= scrambled_data_i[DataWidth-1:0] ^ mask_q;
                 ==>
309            end else if (pack_valid) begin
                        -5-  
310              packed_data[idx] <= pack_data;
                 ==>
311            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	-3-	-4-	-5-	Status	Tests
1	-	-	-	-	Covered	T1,T2,T3
0	1	-	-	-	Covered	T9,T10,T18
0	0	1	-	-	Covered	T11,T76,T41
0	0	0	1	-	Covered	T11,T76,T41
0	0	0	0	1	Covered	T9,T10,T18
0	0	0	0	0	Covered	T1,T2,T3



323            if (!rst_ni) begin
               -1-  
324              plain_data_ecc <= '1;
                 ==>
325            end else if (plain_ecc_en) begin
                        -2-  
326              plain_data_ecc <= plain_data_w_ecc[DataWidth +: PlainIntgWidth];
                 ==>
327            end
               MISSING_ELSE
               ==>

Branches:

-1-	-2-	Status	Tests
1	-	Covered	T1,T2,T3
0	1	Covered	T9,T10,T18
0	0	Covered	T1,T2,T3



369            if (!rst_ni) begin
               -1-  
370              done_cnt_q <= '0;
                 ==>
371            end else begin
372              done_cnt_q <= done_cnt_d;
                 ==>

Branches:

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

Assert Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

	Total	Attempted	Percent	Succeeded/Matched	Percent
Assertions	5	5	100.00	5	100.00
Cover properties	0	0		0
Cover sequences	0	0		0
Total	5	5	100.00	5	100.00

Assertion Details

Name	Attempts	Real Successes	Failures	Incomplete
OneDonePerTxn_A	361909267	1175388	0	0
PostPackRule_A	361909267	892	0	0
PrePackRule_A	361909267	655	0	0
WidthCheck_A	1048	1048	0	0
u_state_regs_A	361909267	361047510	0	0

OneDonePerTxn_A

Name	Attempts	Real Successes
Total	361909267	1175388
T4	4218	0
T9	4035	14
T10	6277	7
T11	44559	106
T16	2031	0
T17	1869	0
T18	195519	53
T20	137786	0
T26	94815	31
T37	0	204
T41	0	1
T59	0	2
T70	1526	0
T76	0	73
T88	0	748

PostPackRule_A

Name	Attempts	Real Successes
Total	361909267	892
T4	4218	0
T10	6277	1
T11	44559	0
T17	1869	0
T18	195519	0
T20	137786	0
T26	94815	19
T37	414356	8
T59	0	1
T70	1526	0
T71	0	19
T76	35846	0
T85	0	12
T227	0	1
T234	0	1
T235	0	1
T237	0	2

PrePackRule_A

Name	Attempts	Real Successes
Total	361909267	655
T11	44559	0
T26	94815	15
T27	298904	0
T37	414356	3
T38	0	3
T40	2096	0
T59	5501	1
T67	50481	0
T70	1526	0
T71	0	13
T76	35846	0
T85	0	13
T148	1461	0
T227	0	1
T234	0	1
T236	0	1
T237	0	2

WidthCheck_A

Name	Attempts	Real Successes
Total	1048	1048
T1	1	1
T2	1	1
T3	1	1
T4	1	1
T9	1	1
T10	1	1
T15	1	1
T16	1	1
T17	1	1
T18	1	1

u_state_regs_A

Name	Attempts	Real Successes
Total	361909267	361047510
T1	1577	1514
T2	1916	1822
T3	33100	33039
T4	4218	3512
T9	4035	3976
T10	6277	6206
T15	1455	1381
T16	2031	1975
T17	1869	1775
T18	195519	195455

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
98.21	98.88	94.34		100.00	97.83	100.00	gen_flash_cores[0].u_core

SCORE	LINE	COND	TOGGLE	FSM	BRANCH	ASSERT	NAME
94.57	96.63	84.91		100.00	91.30	100.00	gen_flash_cores[1].u_core