Module Definition
dashboard | hierarchy | modlist | groups | tests | asserts



Module Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
98.04 100.00 93.85 100.00 96.36 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
98.39 100.00 93.85 100.00 100.00 96.49 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
96.36 97.75 90.57 100.00 93.48 100.00 gen_flash_cores[0].u_core


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
u_data_intg_chk 100.00 100.00 100.00
u_enc 100.00 100.00
u_plain_enc 100.00 100.00
u_state_regs 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
98.04 100.00 93.85 100.00 96.36 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.56 100.00 93.85 95.00 100.00 96.49 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
94.76 96.63 85.85 100.00 91.30 100.00 gen_flash_cores[1].u_core


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
u_data_intg_chk 97.50 100.00 95.00
u_enc 100.00 100.00
u_plain_enc 100.00 100.00
u_state_regs 100.00 100.00 100.00 100.00

Line Coverage for Module : flash_phy_prog
Line No.TotalCoveredPercent
TOTAL9696100.00
CONT_ASSIGN11111100.00
CONT_ASSIGN12211100.00
CONT_ASSIGN12611100.00
ALWAYS13033100.00
CONT_ASSIGN13811100.00
CONT_ASSIGN14311100.00
CONT_ASSIGN14411100.00
CONT_ASSIGN14711100.00
CONT_ASSIGN14811100.00
ALWAYS15166100.00
ALWAYS16433100.00
ALWAYS1745151100.00
ALWAYS2991212100.00
CONT_ASSIGN31411100.00
ALWAYS32344100.00
CONT_ASSIGN33111100.00
CONT_ASSIGN35211100.00
CONT_ASSIGN35511100.00
CONT_ASSIGN36511100.00
CONT_ASSIGN36611100.00
ALWAYS36933100.00

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: T1 T4 T5  156 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  157 // increment otherwise 158 1/1 idx <= idx + 1'b1; Tests: T1 T4 T5  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: T5 T6 T7  194 1/1 end else if (req_i && |sel_i) begin Tests: T1 T2 T3  195 1/1 state_d = StPrePack; Tests: T34 T103 T201  196 1/1 end else if (req_i) begin Tests: T1 T2 T3  197 1/1 state_d = StPackData; Tests: T1 T4 T5  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: T34 T103 T201  204 1/1 if (idx == align_next) begin Tests: T34 T103 T201  205 1/1 state_d = StPackData; Tests: T34 T103 T201  206 end ==> MISSING_ELSE 207 end 208 209 StPackData: begin 210 1/1 pack_valid = req_i; Tests: T1 T4 T5  211 1/1 data_sel = Actual; Tests: T1 T4 T5  212 213 1/1 if (req_i && idx == MaxIdx) begin Tests: T1 T4 T5  214 // last beat of a flash word 215 1/1 state_d = StCalcPlainEcc; Tests: T1 T4 T5  216 1/1 end else if (req_i && last_i) begin Tests: T1 T4 T5  217 // last beat is not aligned with the last entry of flash word 218 1/1 state_d = StPostPack; Tests: T36 T34 T103  219 1/1 end else if (req_i) begin Tests: T1 T4 T5  220 1/1 ack_o = 1'b1; Tests: T1 T4 T5  221 end MISSING_ELSE 222 end 223 224 StPostPack: begin 225 // supply filler data 226 1/1 pack_valid = 1'b1; Tests: T36 T34 T103  227 1/1 data_sel = Filler; Tests: T36 T34 T103  228 229 // finish packing remaining entries 230 1/1 if (idx == MaxIdx) begin Tests: T36 T34 T103  231 1/1 state_d = StCalcPlainEcc; Tests: T36 T34 T103  232 end ==> MISSING_ELSE 233 end 234 235 StCalcPlainEcc: begin 236 1/1 plain_ecc_en = 1'b1; Tests: T1 T4 T5  237 1/1 state_d = scramble_i ? StCalcMask : StReqFlash; Tests: T1 T4 T5  238 end 239 240 StCalcMask: begin 241 1/1 calc_req_o = 1'b1; Tests: T5 T11 T8  242 243 1/1 if (calc_ack_i) begin Tests: T5 T11 T8  244 1/1 state_d = StScrambleData; Tests: T5 T11 T8  245 end MISSING_ELSE 246 end 247 248 StScrambleData: begin 249 1/1 scramble_req_o = 1'b1; Tests: T5 T11 T8  250 251 1/1 if (scramble_ack_i) begin Tests: T5 T11 T8  252 1/1 state_d = StCalcEcc; Tests: T5 T11 T8  253 end MISSING_ELSE 254 end 255 256 StCalcEcc: begin 257 1/1 state_d = StReqFlash; Tests: T5 T11 T8  258 end 259 260 StReqFlash: begin 261 // only request flash if data integrity was valid 262 1/1 req_o = ~data_invalid_q; Tests: T1 T4 T5  263 1/1 last_o = last_i; Tests: T1 T4 T5  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: T1 T4 T5  270 1/1 state_d = ack ? StWaitFlash : StReqFlash; Tests: T1 T4 T5  271 end else begin 272 1/1 ack_o = ack; Tests: T1 T4 T5  273 1/1 state_d = ack ? StIdle : StReqFlash; Tests: T1 T4 T5  274 end 275 end 276 277 StWaitFlash: begin 278 1/1 if (done) begin Tests: T1 T4 T5  279 1/1 ack_o = 1'b1; Tests: T1 T4 T5  280 1/1 state_d = StIdle; Tests: T1 T4 T5  281 end MISSING_ELSE 282 end 283 284 StDisabled: begin 285 1/1 state_d = StDisabled; Tests: T5 T6 T7  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: T1 T4 T5  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: T5 T11 T8  306 1/1 mask_q <= mask_i; Tests: T5 T11 T8  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: T5 T11 T8  309 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  310 1/1 packed_data[idx] <= pack_data; Tests: T1 T4 T5  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: T1 T4 T5  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
TotalCoveredPercent
Conditions656193.85
Logical656193.85
Non-Logical00
Event00

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T134
10CoveredT8,T20,T134

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T5
11CoveredT8,T20,T134

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01Not Covered
10CoveredT1,T2,T3

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T134
10CoveredT1,T2,T3

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT36,T34,T103

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T5
11CoveredT34,T103,T201

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------
-1-StatusTests
0Not Covered
1CoveredT34,T103,T201

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT36,T34,T103

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------
-1-StatusTests
0Not Covered
1CoveredT36,T34,T103

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----
-1-StatusTests
0CoveredT1,T4,T53
1CoveredT5,T22,T11

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-
-1-StatusTests
0CoveredT1,T4,T31
1CoveredT1,T4,T5

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-
-1-StatusTests
0CoveredT1,T4,T11
1CoveredT1,T4,T5

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T11
11CoveredT1,T4,T5

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT5,T11,T8
11CoveredT5,T11,T8

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT5,T11,T8
11CoveredT5,T11,T8

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--
-1--2--3-StatusTests
011Not Covered
101CoveredT1,T4,T5
110CoveredT1,T4,T5
111CoveredT1,T4,T5

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

FSM Coverage for Module : flash_phy_prog
Summary for FSM :: state_q
TotalCoveredPercent
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
statesLine No.CoveredTests
StCalcEcc 252 Covered T5,T11,T8
StCalcMask 237 Covered T5,T11,T8
StCalcPlainEcc 215 Covered T1,T4,T5
StDisabled 193 Covered T5,T6,T7
StIdle 273 Covered T1,T2,T3
StPackData 197 Covered T1,T4,T5
StPostPack 218 Covered T36,T34,T103
StPrePack 195 Covered T34,T103,T201
StReqFlash 237 Covered T1,T4,T5
StScrambleData 244 Covered T5,T11,T8
StWaitFlash 270 Covered T1,T4,T5


transitionsLine No.CoveredTests
StCalcEcc->StReqFlash 257 Covered T5,T11,T8
StCalcMask->StScrambleData 244 Covered T5,T11,T8
StCalcPlainEcc->StCalcMask 237 Covered T5,T11,T8
StCalcPlainEcc->StReqFlash 237 Covered T1,T4,T53
StIdle->StDisabled 193 Covered T5,T6,T7
StIdle->StPackData 197 Covered T1,T4,T5
StIdle->StPrePack 195 Covered T34,T103,T201
StPackData->StCalcPlainEcc 215 Covered T1,T4,T5
StPackData->StPostPack 218 Covered T36,T34,T103
StPostPack->StCalcPlainEcc 231 Covered T36,T34,T103
StPrePack->StPackData 205 Covered T34,T103,T201
StReqFlash->StIdle 273 Covered T1,T4,T5
StReqFlash->StWaitFlash 270 Covered T1,T4,T5
StScrambleData->StCalcEcc 252 Covered T5,T11,T8
StWaitFlash->StIdle 280 Covered T1,T4,T5



Branch Coverage for Module : flash_phy_prog
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
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-StatusTests
1 - Covered T1,T4,T5
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-StatusTests
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-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T1,T4,T5
0 0 1 Covered T1,T4,T5
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-StatusTests
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-StatusTests
StIdle 1 - - - - - - - - - - - - - - Covered T5,T6,T7
StIdle 0 1 - - - - - - - - - - - - - Covered T34,T103,T201
StIdle 0 0 1 - - - - - - - - - - - - Covered T1,T4,T5
StIdle 0 0 0 - - - - - - - - - - - - Covered T1,T2,T3
StPrePack - - - 1 - - - - - - - - - - - Covered T34,T103,T201
StPrePack - - - 0 - - - - - - - - - - - Not Covered
StPackData - - - - 1 - - - - - - - - - - Covered T1,T4,T5
StPackData - - - - 0 1 - - - - - - - - - Covered T36,T34,T103
StPackData - - - - 0 0 1 - - - - - - - - Covered T1,T4,T5
StPackData - - - - 0 0 0 - - - - - - - - Covered T1,T4,T5
StPostPack - - - - - - - 1 - - - - - - - Covered T36,T34,T103
StPostPack - - - - - - - 0 - - - - - - - Not Covered
StCalcPlainEcc - - - - - - - - 1 - - - - - - Covered T5,T22,T11
StCalcPlainEcc - - - - - - - - 0 - - - - - - Covered T1,T4,T53
StCalcMask - - - - - - - - - 1 - - - - - Covered T5,T11,T8
StCalcMask - - - - - - - - - 0 - - - - - Covered T5,T11,T8
StScrambleData - - - - - - - - - - 1 - - - - Covered T5,T11,T8
StScrambleData - - - - - - - - - - 0 - - - - Covered T5,T11,T8
StCalcEcc - - - - - - - - - - - - - - - Covered T5,T11,T8
StReqFlash - - - - - - - - - - - 1 1 - - Covered T1,T4,T5
StReqFlash - - - - - - - - - - - 1 0 - - Covered T1,T4,T31
StReqFlash - - - - - - - - - - - 0 - 1 - Covered T1,T4,T5
StReqFlash - - - - - - - - - - - 0 - 0 - Covered T1,T4,T11
StWaitFlash - - - - - - - - - - - - - - 1 Covered T1,T4,T5
StWaitFlash - - - - - - - - - - - - - - 0 Covered T1,T4,T5
StDisabled - - - - - - - - - - - - - - - Covered T5,T6,T7
default - - - - - - - - - - - - - - - Covered T13,T14,T15


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-StatusTests
1 - - - - Covered T1,T2,T3
0 1 - - - Covered T1,T4,T5
0 0 1 - - Covered T5,T11,T8
0 0 0 1 - Covered T5,T11,T8
0 0 0 0 1 Covered T1,T4,T5
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-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T1,T4,T5
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-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Module : flash_phy_prog
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
OneDonePerTxn_A 712171850 2356819 0 0
PostPackRule_A 712171850 1666 0 0
PrePackRule_A 712171850 1129 0 0
WidthCheck_A 2094 2094 0 0
u_state_regs_A 712171850 710510120 0 0


OneDonePerTxn_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 712171850 2356819 0 0
T1 3968 14 0 0
T2 2197 0 0 0
T3 14398 0 0 0
T4 2284 1 0 0
T5 967 1 0 0
T8 0 1 0 0
T10 1608 0 0 0
T16 2149 0 0 0
T17 2075 0 0 0
T18 1552 0 0 0
T19 1174 0 0 0
T26 5068 0 0 0
T31 1686 1 0 0
T32 38012 9 0 0
T33 0 80 0 0
T34 0 30 0 0
T36 0 2 0 0
T37 1755 1 0 0
T38 2047 1 0 0
T40 0 729 0 0
T49 6237 0 0 0
T50 0 44 0 0
T51 0 217 0 0
T53 1913 1 0 0
T55 162052 118 0 0
T66 0 126 0 0
T103 0 1 0 0
T114 4267 0 0 0
T126 1497 0 0 0

PostPackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 712171850 1666 0 0
T27 0 3 0 0
T28 0 11 0 0
T29 0 2 0 0
T30 0 5 0 0
T34 191154 35 0 0
T35 0 2 0 0
T36 2996 1 0 0
T40 481732 0 0 0
T43 31354 0 0 0
T50 32980 0 0 0
T51 127312 0 0 0
T52 30677 0 0 0
T57 1977 0 0 0
T60 0 29 0 0
T61 0 36 0 0
T66 119892 0 0 0
T68 3434 0 0 0
T69 10945 0 0 0
T70 48523 0 0 0
T103 2828 3 0 0
T127 1564 0 0 0
T200 2088 0 0 0
T201 0 4 0 0
T219 0 1 0 0
T220 0 1 0 0
T221 0 3 0 0

PrePackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 712171850 1129 0 0
T27 0 3 0 0
T28 0 6 0 0
T29 0 1 0 0
T30 0 5 0 0
T34 191154 34 0 0
T35 0 4 0 0
T40 481732 0 0 0
T51 127312 0 0 0
T60 0 36 0 0
T61 0 24 0 0
T66 119892 0 0 0
T68 3434 0 0 0
T69 21890 0 0 0
T70 97046 0 0 0
T103 5656 2 0 0
T127 3128 0 0 0
T200 4176 0 0 0
T201 0 3 0 0
T219 0 1 0 0
T220 0 1 0 0
T221 0 2 0 0
T222 0 1 0 0

WidthCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2094 2094 0 0
T1 2 2 0 0
T2 2 2 0 0
T3 2 2 0 0
T4 2 2 0 0
T5 2 2 0 0
T10 2 2 0 0
T16 2 2 0 0
T17 2 2 0 0
T18 2 2 0 0
T19 2 2 0 0

u_state_regs_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 712171850 710510120 0 0
T1 7936 7760 0 0
T2 4394 4212 0 0
T3 28796 28622 0 0
T4 4568 4448 0 0
T5 1934 1742 0 0
T10 3216 3050 0 0
T16 4298 4118 0 0
T17 4150 3982 0 0
T18 3104 2980 0 0
T19 2348 2208 0 0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog
Line No.TotalCoveredPercent
TOTAL9696100.00
CONT_ASSIGN11111100.00
CONT_ASSIGN12211100.00
CONT_ASSIGN12611100.00
ALWAYS13033100.00
CONT_ASSIGN13811100.00
CONT_ASSIGN14311100.00
CONT_ASSIGN14411100.00
CONT_ASSIGN14711100.00
CONT_ASSIGN14811100.00
ALWAYS15166100.00
ALWAYS16433100.00
ALWAYS1745151100.00
ALWAYS2991212100.00
CONT_ASSIGN31411100.00
ALWAYS32344100.00
CONT_ASSIGN33111100.00
CONT_ASSIGN35211100.00
CONT_ASSIGN35511100.00
CONT_ASSIGN36511100.00
CONT_ASSIGN36611100.00
ALWAYS36933100.00

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: T1 T4 T5  156 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  157 // increment otherwise 158 1/1 idx <= idx + 1'b1; Tests: T1 T4 T5  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: T5 T6 T7  194 1/1 end else if (req_i && |sel_i) begin Tests: T1 T2 T3  195 1/1 state_d = StPrePack; Tests: T34 T103 T201  196 1/1 end else if (req_i) begin Tests: T1 T2 T3  197 1/1 state_d = StPackData; Tests: T1 T4 T5  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: T34 T103 T201  204 1/1 if (idx == align_next) begin Tests: T34 T103 T201  205 1/1 state_d = StPackData; Tests: T34 T103 T201  206 end ==> MISSING_ELSE 207 end 208 209 StPackData: begin 210 1/1 pack_valid = req_i; Tests: T1 T4 T5  211 1/1 data_sel = Actual; Tests: T1 T4 T5  212 213 1/1 if (req_i && idx == MaxIdx) begin Tests: T1 T4 T5  214 // last beat of a flash word 215 1/1 state_d = StCalcPlainEcc; Tests: T1 T4 T5  216 1/1 end else if (req_i && last_i) begin Tests: T1 T4 T5  217 // last beat is not aligned with the last entry of flash word 218 1/1 state_d = StPostPack; Tests: T34 T103 T201  219 1/1 end else if (req_i) begin Tests: T1 T4 T5  220 1/1 ack_o = 1'b1; Tests: T1 T4 T5  221 end MISSING_ELSE 222 end 223 224 StPostPack: begin 225 // supply filler data 226 1/1 pack_valid = 1'b1; Tests: T34 T103 T201  227 1/1 data_sel = Filler; Tests: T34 T103 T201  228 229 // finish packing remaining entries 230 1/1 if (idx == MaxIdx) begin Tests: T34 T103 T201  231 1/1 state_d = StCalcPlainEcc; Tests: T34 T103 T201  232 end ==> MISSING_ELSE 233 end 234 235 StCalcPlainEcc: begin 236 1/1 plain_ecc_en = 1'b1; Tests: T1 T4 T5  237 1/1 state_d = scramble_i ? StCalcMask : StReqFlash; Tests: T1 T4 T5  238 end 239 240 StCalcMask: begin 241 1/1 calc_req_o = 1'b1; Tests: T5 T11 T8  242 243 1/1 if (calc_ack_i) begin Tests: T5 T11 T8  244 1/1 state_d = StScrambleData; Tests: T5 T11 T8  245 end MISSING_ELSE 246 end 247 248 StScrambleData: begin 249 1/1 scramble_req_o = 1'b1; Tests: T5 T11 T8  250 251 1/1 if (scramble_ack_i) begin Tests: T5 T11 T8  252 1/1 state_d = StCalcEcc; Tests: T5 T11 T8  253 end MISSING_ELSE 254 end 255 256 StCalcEcc: begin 257 1/1 state_d = StReqFlash; Tests: T5 T11 T8  258 end 259 260 StReqFlash: begin 261 // only request flash if data integrity was valid 262 1/1 req_o = ~data_invalid_q; Tests: T1 T4 T5  263 1/1 last_o = last_i; Tests: T1 T4 T5  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: T1 T4 T5  270 1/1 state_d = ack ? StWaitFlash : StReqFlash; Tests: T1 T4 T5  271 end else begin 272 1/1 ack_o = ack; Tests: T1 T4 T5  273 1/1 state_d = ack ? StIdle : StReqFlash; Tests: T1 T4 T5  274 end 275 end 276 277 StWaitFlash: begin 278 1/1 if (done) begin Tests: T1 T4 T5  279 1/1 ack_o = 1'b1; Tests: T1 T4 T5  280 1/1 state_d = StIdle; Tests: T1 T4 T5  281 end MISSING_ELSE 282 end 283 284 StDisabled: begin 285 1/1 state_d = StDisabled; Tests: T5 T6 T7  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: T1 T4 T5  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: T5 T11 T8  306 1/1 mask_q <= mask_i; Tests: T5 T11 T8  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: T5 T11 T8  309 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  310 1/1 packed_data[idx] <= pack_data; Tests: T1 T4 T5  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: T1 T4 T5  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
TotalCoveredPercent
Conditions656193.85
Logical656193.85
Non-Logical00
Event00

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T134
10CoveredT8,T20,T134

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T5
11CoveredT8,T20,T134

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01Not Covered
10CoveredT1,T2,T3

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T134
10CoveredT1,T2,T3

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT34,T103,T201

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T5
11CoveredT34,T103,T201

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------
-1-StatusTests
0Not Covered
1CoveredT34,T103,T201

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT1,T4,T5

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT1,T4,T5
1CoveredT1,T4,T5

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--
-1--2-StatusTests
01CoveredT1,T4,T5
10CoveredT1,T4,T5
11CoveredT34,T103,T201

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------
-1-StatusTests
0Not Covered
1CoveredT34,T103,T201

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----
-1-StatusTests
0CoveredT1,T4,T53
1CoveredT5,T22,T11

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-
-1-StatusTests
0CoveredT1,T4,T55
1CoveredT1,T4,T5

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-
-1-StatusTests
0CoveredT1,T4,T11
1CoveredT1,T4,T5

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T4,T11
11CoveredT1,T4,T5

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT5,T11,T8
11CoveredT5,T11,T8

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT5,T11,T8
11CoveredT5,T11,T8

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--
-1--2--3-StatusTests
011Not Covered
101CoveredT1,T4,T5
110CoveredT1,T4,T5
111CoveredT1,T4,T5

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T4,T5

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,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
TotalCoveredPercent
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
statesLine No.CoveredTests
StCalcEcc 252 Covered T5,T11,T8
StCalcMask 237 Covered T5,T11,T8
StCalcPlainEcc 215 Covered T1,T4,T5
StDisabled 193 Covered T5,T6,T7
StIdle 273 Covered T1,T2,T3
StPackData 197 Covered T1,T4,T5
StPostPack 218 Covered T34,T103,T201
StPrePack 195 Covered T34,T103,T201
StReqFlash 237 Covered T1,T4,T5
StScrambleData 244 Covered T5,T11,T8
StWaitFlash 270 Covered T1,T4,T5


transitionsLine No.CoveredTests
StCalcEcc->StReqFlash 257 Covered T5,T11,T8
StCalcMask->StScrambleData 244 Covered T5,T11,T8
StCalcPlainEcc->StCalcMask 237 Covered T5,T11,T8
StCalcPlainEcc->StReqFlash 237 Covered T1,T4,T53
StIdle->StDisabled 193 Covered T5,T6,T7
StIdle->StPackData 197 Covered T1,T4,T5
StIdle->StPrePack 195 Covered T34,T103,T201
StPackData->StCalcPlainEcc 215 Covered T1,T4,T5
StPackData->StPostPack 218 Covered T34,T103,T201
StPostPack->StCalcPlainEcc 231 Covered T34,T103,T201
StPrePack->StPackData 205 Covered T34,T103,T201
StReqFlash->StIdle 273 Covered T1,T4,T5
StReqFlash->StWaitFlash 270 Covered T1,T4,T5
StScrambleData->StCalcEcc 252 Covered T5,T11,T8
StWaitFlash->StIdle 280 Covered T1,T4,T5



Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[0].u_core.gen_prog_data.u_prog
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
1 Covered T1,T4,T5
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
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-StatusTests
1 - Covered T1,T4,T5
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-StatusTests
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-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T1,T4,T5
0 0 1 Covered T1,T4,T5
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-StatusTests
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-StatusTests
StIdle 1 - - - - - - - - - - - - - - Covered T5,T6,T7
StIdle 0 1 - - - - - - - - - - - - - Covered T34,T103,T201
StIdle 0 0 1 - - - - - - - - - - - - Covered T1,T4,T5
StIdle 0 0 0 - - - - - - - - - - - - Covered T1,T2,T3
StPrePack - - - 1 - - - - - - - - - - - Covered T34,T103,T201
StPrePack - - - 0 - - - - - - - - - - - Not Covered
StPackData - - - - 1 - - - - - - - - - - Covered T1,T4,T5
StPackData - - - - 0 1 - - - - - - - - - Covered T34,T103,T201
StPackData - - - - 0 0 1 - - - - - - - - Covered T1,T4,T5
StPackData - - - - 0 0 0 - - - - - - - - Covered T1,T4,T5
StPostPack - - - - - - - 1 - - - - - - - Covered T34,T103,T201
StPostPack - - - - - - - 0 - - - - - - - Not Covered
StCalcPlainEcc - - - - - - - - 1 - - - - - - Covered T5,T22,T11
StCalcPlainEcc - - - - - - - - 0 - - - - - - Covered T1,T4,T53
StCalcMask - - - - - - - - - 1 - - - - - Covered T5,T11,T8
StCalcMask - - - - - - - - - 0 - - - - - Covered T5,T11,T8
StScrambleData - - - - - - - - - - 1 - - - - Covered T5,T11,T8
StScrambleData - - - - - - - - - - 0 - - - - Covered T5,T11,T8
StCalcEcc - - - - - - - - - - - - - - - Covered T5,T11,T8
StReqFlash - - - - - - - - - - - 1 1 - - Covered T1,T4,T5
StReqFlash - - - - - - - - - - - 1 0 - - Covered T1,T4,T55
StReqFlash - - - - - - - - - - - 0 - 1 - Covered T1,T4,T5
StReqFlash - - - - - - - - - - - 0 - 0 - Covered T1,T4,T11
StWaitFlash - - - - - - - - - - - - - - 1 Covered T1,T4,T5
StWaitFlash - - - - - - - - - - - - - - 0 Covered T1,T4,T5
StDisabled - - - - - - - - - - - - - - - Covered T5,T6,T7
default - - - - - - - - - - - - - - - Covered T13,T14,T15


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-StatusTests
1 - - - - Covered T1,T2,T3
0 1 - - - Covered T1,T4,T5
0 0 1 - - Covered T5,T11,T8
0 0 0 1 - Covered T5,T11,T8
0 0 0 0 1 Covered T1,T4,T5
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-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T1,T4,T5
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
OneDonePerTxn_A 356085925 1192847 0 0
PostPackRule_A 356085925 854 0 0
PrePackRule_A 356085925 569 0 0
WidthCheck_A 1047 1047 0 0
u_state_regs_A 356085925 355255060 0 0


OneDonePerTxn_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 1192847 0 0
T1 3968 14 0 0
T2 2197 0 0 0
T3 14398 0 0 0
T4 2284 1 0 0
T5 967 1 0 0
T8 0 1 0 0
T10 1608 0 0 0
T16 2149 0 0 0
T17 2075 0 0 0
T18 1552 0 0 0
T19 1174 0 0 0
T32 0 1 0 0
T33 0 47 0 0
T37 0 1 0 0
T38 0 1 0 0
T53 0 1 0 0
T55 0 118 0 0

PostPackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 854 0 0
T28 0 3 0 0
T29 0 1 0 0
T30 0 5 0 0
T34 95577 18 0 0
T40 240866 0 0 0
T51 63656 0 0 0
T60 0 13 0 0
T61 0 19 0 0
T66 59946 0 0 0
T68 1717 0 0 0
T69 10945 0 0 0
T70 48523 0 0 0
T103 2828 2 0 0
T127 1564 0 0 0
T200 2088 0 0 0
T201 0 4 0 0
T219 0 1 0 0
T221 0 3 0 0

PrePackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 569 0 0
T28 0 3 0 0
T29 0 1 0 0
T30 0 3 0 0
T34 95577 14 0 0
T40 240866 0 0 0
T51 63656 0 0 0
T60 0 20 0 0
T61 0 14 0 0
T66 59946 0 0 0
T68 1717 0 0 0
T69 10945 0 0 0
T70 48523 0 0 0
T103 2828 1 0 0
T127 1564 0 0 0
T200 2088 0 0 0
T201 0 3 0 0
T219 0 1 0 0
T222 0 1 0 0

WidthCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 1047 1047 0 0
T1 1 1 0 0
T2 1 1 0 0
T3 1 1 0 0
T4 1 1 0 0
T5 1 1 0 0
T10 1 1 0 0
T16 1 1 0 0
T17 1 1 0 0
T18 1 1 0 0
T19 1 1 0 0

u_state_regs_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 355255060 0 0
T1 3968 3880 0 0
T2 2197 2106 0 0
T3 14398 14311 0 0
T4 2284 2224 0 0
T5 967 871 0 0
T10 1608 1525 0 0
T16 2149 2059 0 0
T17 2075 1991 0 0
T18 1552 1490 0 0
T19 1174 1104 0 0

Line Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog
Line No.TotalCoveredPercent
TOTAL9696100.00
CONT_ASSIGN11111100.00
CONT_ASSIGN12211100.00
CONT_ASSIGN12611100.00
ALWAYS13033100.00
CONT_ASSIGN13811100.00
CONT_ASSIGN14311100.00
CONT_ASSIGN14411100.00
CONT_ASSIGN14711100.00
CONT_ASSIGN14811100.00
ALWAYS15166100.00
ALWAYS16433100.00
ALWAYS1745151100.00
ALWAYS2991212100.00
CONT_ASSIGN31411100.00
ALWAYS32344100.00
CONT_ASSIGN33111100.00
CONT_ASSIGN35211100.00
CONT_ASSIGN35511100.00
CONT_ASSIGN36511100.00
CONT_ASSIGN36611100.00
ALWAYS36933100.00

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: T8 T31 T32  156 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  157 // increment otherwise 158 1/1 idx <= idx + 1'b1; Tests: T8 T31 T32  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: T5 T6 T7  194 1/1 end else if (req_i && |sel_i) begin Tests: T1 T2 T3  195 1/1 state_d = StPrePack; Tests: T34 T103 T60  196 1/1 end else if (req_i) begin Tests: T1 T2 T3  197 1/1 state_d = StPackData; Tests: T8 T31 T32  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: T34 T103 T60  204 1/1 if (idx == align_next) begin Tests: T34 T103 T60  205 1/1 state_d = StPackData; Tests: T34 T103 T60  206 end ==> MISSING_ELSE 207 end 208 209 StPackData: begin 210 1/1 pack_valid = req_i; Tests: T8 T31 T32  211 1/1 data_sel = Actual; Tests: T8 T31 T32  212 213 1/1 if (req_i && idx == MaxIdx) begin Tests: T8 T31 T32  214 // last beat of a flash word 215 1/1 state_d = StCalcPlainEcc; Tests: T8 T31 T32  216 1/1 end else if (req_i && last_i) begin Tests: T8 T31 T32  217 // last beat is not aligned with the last entry of flash word 218 1/1 state_d = StPostPack; Tests: T36 T34 T103  219 1/1 end else if (req_i) begin Tests: T8 T31 T32  220 1/1 ack_o = 1'b1; Tests: T8 T31 T32  221 end MISSING_ELSE 222 end 223 224 StPostPack: begin 225 // supply filler data 226 1/1 pack_valid = 1'b1; Tests: T36 T34 T103  227 1/1 data_sel = Filler; Tests: T36 T34 T103  228 229 // finish packing remaining entries 230 1/1 if (idx == MaxIdx) begin Tests: T36 T34 T103  231 1/1 state_d = StCalcPlainEcc; Tests: T36 T34 T103  232 end ==> MISSING_ELSE 233 end 234 235 StCalcPlainEcc: begin 236 1/1 plain_ecc_en = 1'b1; Tests: T8 T31 T32  237 1/1 state_d = scramble_i ? StCalcMask : StReqFlash; Tests: T8 T31 T32  238 end 239 240 StCalcMask: begin 241 1/1 calc_req_o = 1'b1; Tests: T8 T31 T32  242 243 1/1 if (calc_ack_i) begin Tests: T8 T31 T32  244 1/1 state_d = StScrambleData; Tests: T8 T31 T32  245 end MISSING_ELSE 246 end 247 248 StScrambleData: begin 249 1/1 scramble_req_o = 1'b1; Tests: T8 T31 T32  250 251 1/1 if (scramble_ack_i) begin Tests: T8 T31 T32  252 1/1 state_d = StCalcEcc; Tests: T8 T31 T32  253 end MISSING_ELSE 254 end 255 256 StCalcEcc: begin 257 1/1 state_d = StReqFlash; Tests: T8 T31 T32  258 end 259 260 StReqFlash: begin 261 // only request flash if data integrity was valid 262 1/1 req_o = ~data_invalid_q; Tests: T8 T31 T32  263 1/1 last_o = last_i; Tests: T8 T31 T32  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: T8 T31 T32  270 1/1 state_d = ack ? StWaitFlash : StReqFlash; Tests: T31 T32 T33  271 end else begin 272 1/1 ack_o = ack; Tests: T8 T31 T32  273 1/1 state_d = ack ? StIdle : StReqFlash; Tests: T8 T31 T32  274 end 275 end 276 277 StWaitFlash: begin 278 1/1 if (done) begin Tests: T31 T32 T33  279 1/1 ack_o = 1'b1; Tests: T31 T32 T33  280 1/1 state_d = StIdle; Tests: T31 T32 T33  281 end MISSING_ELSE 282 end 283 284 StDisabled: begin 285 1/1 state_d = StDisabled; Tests: T5 T6 T7  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: T31 T32 T33  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: T8 T31 T32  306 1/1 mask_q <= mask_i; Tests: T8 T31 T32  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: T8 T31 T32  309 1/1 end else if (pack_valid) begin Tests: T1 T2 T3  310 1/1 packed_data[idx] <= pack_data; Tests: T8 T31 T32  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: T8 T31 T32  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
TotalCoveredPercent
Conditions656193.85
Logical656193.85
Non-Logical00
Event00

 LINE       111
 EXPRESSION ((data_sel == Actual) ? data_i[(flash_phy_pkg::BusWidth - 1):0] : ({flash_phy_pkg::BusWidth {1'b1}}))
             ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT8,T31,T32

 LINE       111
 SUB-EXPRESSION (data_sel == Actual)
                ----------1---------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT8,T31,T32

 LINE       126
 EXPRESSION (data_invalid_q | (pack_valid & ((~data_intg_ok))))
             -------1------   ----------------2---------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T21
10CoveredT8,T20,T21

 LINE       126
 SUB-EXPRESSION (pack_valid & ((~data_intg_ok)))
                 -----1----   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT8,T31,T32
11CoveredT8,T20,T21

 LINE       143
 EXPRESSION (ack_i | data_invalid_q)
             --1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01Not Covered
10CoveredT1,T2,T3

 LINE       144
 EXPRESSION (done_i | data_invalid_q)
             ---1--   -------2------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT8,T20,T21
10CoveredT3,T17,T11

 LINE       148
 EXPRESSION ((idx > '0) ? (idx_sub_one == sel_i) : 1'b0)
             -----1----
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT8,T31,T32

 LINE       148
 SUB-EXPRESSION (idx_sub_one == sel_i)
                -----------1----------
-1-StatusTests
0CoveredT8,T31,T32
1CoveredT36,T34,T103

 LINE       153
 EXPRESSION (pack_valid && (idx == MaxIdx))
             -----1----    -------2-------
-1--2-StatusTests
01CoveredT8,T31,T32
10CoveredT8,T31,T32
11CoveredT8,T31,T32

 LINE       153
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT8,T31,T32

 LINE       194
 EXPRESSION (req_i && ((|sel_i)))
             --1--    -----2----
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT8,T31,T32
11CoveredT34,T103,T60

 LINE       204
 EXPRESSION (idx == align_next)
            ---------1---------
-1-StatusTests
0Not Covered
1CoveredT34,T103,T60

 LINE       213
 EXPRESSION (req_i && (idx == MaxIdx))
             --1--    -------2-------
-1--2-StatusTests
01CoveredT8,T31,T32
10CoveredT8,T31,T32
11CoveredT8,T31,T32

 LINE       213
 SUB-EXPRESSION (idx == MaxIdx)
                -------1-------
-1-StatusTests
0CoveredT8,T31,T32
1CoveredT8,T31,T32

 LINE       216
 EXPRESSION (req_i && last_i)
             --1--    ---2--
-1--2-StatusTests
01CoveredT31,T32,T33
10CoveredT8,T31,T32
11CoveredT36,T34,T103

 LINE       230
 EXPRESSION (idx == MaxIdx)
            -------1-------
-1-StatusTests
0Not Covered
1CoveredT36,T34,T103

 LINE       237
 EXPRESSION (scramble_i ? StCalcMask : StReqFlash)
             -----1----
-1-StatusTests
0CoveredT33,T36,T50
1CoveredT8,T31,T32

 LINE       270
 EXPRESSION (ack ? StWaitFlash : StReqFlash)
             -1-
-1-StatusTests
0CoveredT31,T33,T36
1CoveredT31,T32,T33

 LINE       273
 EXPRESSION (ack ? StIdle : StReqFlash)
             -1-
-1-StatusTests
0CoveredT31,T33,T36
1CoveredT8,T31,T32

 LINE       302
 EXPRESSION (req_o && ack)
             --1--    -2-
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT31,T33,T36
11CoveredT31,T32,T33

 LINE       304
 EXPRESSION (calc_req_o && calc_ack_i)
             -----1----    -----2----
-1--2-StatusTests
01CoveredT17,T11,T32
10CoveredT8,T31,T32
11CoveredT8,T31,T32

 LINE       307
 EXPRESSION (scramble_req_o && scramble_ack_i)
             -------1------    -------2------
-1--2-StatusTests
01CoveredT17,T37,T49
10CoveredT8,T31,T32
11CoveredT8,T31,T32

 LINE       355
 EXPRESSION (ecc_i ? ecc_data : ({{flash_phy_pkg::EccWidth {1'b1}}, ecc_data_in}))
             --1--
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       365
 EXPRESSION (req_i && ack_o && last_i)
             --1--    --2--    ---3--
-1--2--3-StatusTests
011Not Covered
101CoveredT31,T32,T33
110CoveredT8,T31,T32
111CoveredT31,T32,T33

 LINE       366
 EXPRESSION (txn_done ? '0 : (done ? ((done_cnt_q + 16'b1)) : done_cnt_q))
             ----1---
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT31,T32,T33

 LINE       366
 SUB-EXPRESSION (done ? ((done_cnt_q + 16'b1)) : done_cnt_q)
                 --1-
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T17,T11

FSM Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog
Summary for FSM :: state_q
TotalCoveredPercent
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
statesLine No.CoveredTests
StCalcEcc 252 Covered T8,T31,T32
StCalcMask 237 Covered T8,T31,T32
StCalcPlainEcc 215 Covered T8,T31,T32
StDisabled 193 Covered T5,T6,T7
StIdle 273 Covered T1,T2,T3
StPackData 197 Covered T8,T31,T32
StPostPack 218 Covered T36,T34,T103
StPrePack 195 Covered T34,T103,T60
StReqFlash 237 Covered T8,T31,T32
StScrambleData 244 Covered T8,T31,T32
StWaitFlash 270 Covered T31,T32,T33


transitionsLine No.CoveredTests
StCalcEcc->StReqFlash 257 Covered T8,T31,T32
StCalcMask->StScrambleData 244 Covered T8,T31,T32
StCalcPlainEcc->StCalcMask 237 Covered T8,T31,T32
StCalcPlainEcc->StReqFlash 237 Covered T33,T36,T50
StIdle->StDisabled 193 Covered T5,T6,T7
StIdle->StPackData 197 Covered T8,T31,T32
StIdle->StPrePack 195 Covered T34,T103,T60
StPackData->StCalcPlainEcc 215 Covered T8,T31,T32
StPackData->StPostPack 218 Covered T36,T34,T103
StPostPack->StCalcPlainEcc 231 Covered T36,T34,T103
StPrePack->StPackData 205 Covered T34,T103,T60
StReqFlash->StIdle 273 Covered T8,T31,T32
StReqFlash->StWaitFlash 270 Covered T31,T32,T33
StScrambleData->StCalcEcc 252 Covered T8,T31,T32
StWaitFlash->StIdle 280 Covered T31,T32,T33



Branch Coverage for Instance : tb.dut.u_eflash.gen_flash_cores[1].u_core.gen_prog_data.u_prog
Line No.TotalCoveredPercent
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-StatusTests
1 Covered T8,T31,T32
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
1 Covered T8,T31,T32
0 Covered T1,T2,T3


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

Branches:
-1-StatusTests
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-StatusTests
1 - Covered T31,T32,T33
0 1 Covered T3,T17,T11
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-StatusTests
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-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T8,T31,T32
0 0 1 Covered T8,T31,T32
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-StatusTests
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-StatusTests
StIdle 1 - - - - - - - - - - - - - - Covered T5,T6,T7
StIdle 0 1 - - - - - - - - - - - - - Covered T34,T103,T60
StIdle 0 0 1 - - - - - - - - - - - - Covered T8,T31,T32
StIdle 0 0 0 - - - - - - - - - - - - Covered T1,T2,T3
StPrePack - - - 1 - - - - - - - - - - - Covered T34,T103,T60
StPrePack - - - 0 - - - - - - - - - - - Not Covered
StPackData - - - - 1 - - - - - - - - - - Covered T8,T31,T32
StPackData - - - - 0 1 - - - - - - - - - Covered T36,T34,T103
StPackData - - - - 0 0 1 - - - - - - - - Covered T8,T31,T32
StPackData - - - - 0 0 0 - - - - - - - - Covered T8,T31,T32
StPostPack - - - - - - - 1 - - - - - - - Covered T36,T34,T103
StPostPack - - - - - - - 0 - - - - - - - Not Covered
StCalcPlainEcc - - - - - - - - 1 - - - - - - Covered T8,T31,T32
StCalcPlainEcc - - - - - - - - 0 - - - - - - Covered T33,T36,T50
StCalcMask - - - - - - - - - 1 - - - - - Covered T8,T31,T32
StCalcMask - - - - - - - - - 0 - - - - - Covered T8,T31,T32
StScrambleData - - - - - - - - - - 1 - - - - Covered T8,T31,T32
StScrambleData - - - - - - - - - - 0 - - - - Covered T8,T31,T32
StCalcEcc - - - - - - - - - - - - - - - Covered T8,T31,T32
StReqFlash - - - - - - - - - - - 1 1 - - Covered T31,T32,T33
StReqFlash - - - - - - - - - - - 1 0 - - Covered T31,T33,T36
StReqFlash - - - - - - - - - - - 0 - 1 - Covered T8,T31,T32
StReqFlash - - - - - - - - - - - 0 - 0 - Covered T31,T33,T36
StWaitFlash - - - - - - - - - - - - - - 1 Covered T31,T32,T33
StWaitFlash - - - - - - - - - - - - - - 0 Covered T31,T32,T33
StDisabled - - - - - - - - - - - - - - - Covered T5,T6,T7
default - - - - - - - - - - - - - - - Covered T13,T14,T15


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-StatusTests
1 - - - - Covered T1,T2,T3
0 1 - - - Covered T31,T32,T33
0 0 1 - - Covered T8,T31,T32
0 0 0 1 - Covered T8,T31,T32
0 0 0 0 1 Covered T8,T31,T32
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-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T8,T31,T32
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
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

NameAttemptsReal SuccessesFailuresIncomplete
OneDonePerTxn_A 356085925 1163972 0 0
PostPackRule_A 356085925 812 0 0
PrePackRule_A 356085925 560 0 0
WidthCheck_A 1047 1047 0 0
u_state_regs_A 356085925 355255060 0 0


OneDonePerTxn_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 1163972 0 0
T26 5068 0 0 0
T31 1686 1 0 0
T32 38012 8 0 0
T33 0 33 0 0
T34 0 30 0 0
T36 0 2 0 0
T37 1755 0 0 0
T38 2047 0 0 0
T40 0 729 0 0
T49 6237 0 0 0
T50 0 44 0 0
T51 0 217 0 0
T53 1913 0 0 0
T55 162052 0 0 0
T66 0 126 0 0
T103 0 1 0 0
T114 4267 0 0 0
T126 1497 0 0 0

PostPackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 812 0 0
T27 0 3 0 0
T28 0 8 0 0
T29 0 1 0 0
T34 95577 17 0 0
T35 0 2 0 0
T36 2996 1 0 0
T40 240866 0 0 0
T43 31354 0 0 0
T50 32980 0 0 0
T51 63656 0 0 0
T52 30677 0 0 0
T57 1977 0 0 0
T60 0 16 0 0
T61 0 17 0 0
T66 59946 0 0 0
T68 1717 0 0 0
T103 0 1 0 0
T220 0 1 0 0

PrePackRule_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 560 0 0
T27 0 3 0 0
T28 0 3 0 0
T30 0 2 0 0
T34 95577 20 0 0
T35 0 4 0 0
T40 240866 0 0 0
T51 63656 0 0 0
T60 0 16 0 0
T61 0 10 0 0
T66 59946 0 0 0
T68 1717 0 0 0
T69 10945 0 0 0
T70 48523 0 0 0
T103 2828 1 0 0
T127 1564 0 0 0
T200 2088 0 0 0
T220 0 1 0 0
T221 0 2 0 0

WidthCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 1047 1047 0 0
T1 1 1 0 0
T2 1 1 0 0
T3 1 1 0 0
T4 1 1 0 0
T5 1 1 0 0
T10 1 1 0 0
T16 1 1 0 0
T17 1 1 0 0
T18 1 1 0 0
T19 1 1 0 0

u_state_regs_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 356085925 355255060 0 0
T1 3968 3880 0 0
T2 2197 2106 0 0
T3 14398 14311 0 0
T4 2284 2224 0 0
T5 967 871 0 0
T10 1608 1525 0 0
T16 2149 2059 0 0
T17 2075 1991 0 0
T18 1552 1490 0 0
T19 1174 1104 0 0

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%