Module Definition
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Module Instance : tb.dut.u_cmdparse

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.84 100.00 93.26 100.00 95.92 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.84 100.00 93.26 100.00 95.92 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
92.52 95.20 84.31 97.00 90.62 95.45 dut


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Since this is the module's only instance, the coverage report is the same as for the module.
Line Coverage for Module : spi_cmdparse
Line No.TotalCoveredPercent
TOTAL108108100.00
CONT_ASSIGN8511100.00
ALWAYS9033100.00
CONT_ASSIGN15611100.00
CONT_ASSIGN16011100.00
ALWAYS18544100.00
CONT_ASSIGN19411100.00
CONT_ASSIGN19611100.00
CONT_ASSIGN19811100.00
CONT_ASSIGN20011100.00
CONT_ASSIGN20211100.00
CONT_ASSIGN20411100.00
ALWAYS20844100.00
ALWAYS21866100.00
ALWAYS23377100.00
CONT_ASSIGN25311100.00
CONT_ASSIGN25411100.00
ALWAYS26355100.00
CONT_ASSIGN27911100.00
ALWAYS2831111100.00
CONT_ASSIGN29511100.00
CONT_ASSIGN30211100.00
CONT_ASSIGN30311100.00
CONT_ASSIGN30411100.00
ALWAYS30744100.00
ALWAYS3154848100.00

84 assign cmd_config_req_o = 1'b 0; 85 1/1 assign cmd_config_idx_o = data_i[4:0]; Tests: T1 T2 T3  86 87 // Only opcode in the cmd_info is used. Tie the rest of the members. 88 logic unused_cmdinfo_members; 89 always_comb begin 90 1/1 unused_cmdinfo_members = 1'b 0; Tests: T1 T2 T3  91 1/1 for (int unsigned i = 0 ; i < NumTotalCmdInfo ; i++) begin Tests: T1 T2 T3  92 1/1 unused_cmdinfo_members ^= ^{ cmd_info_i[i].addr_mode, Tests: T1 T2 T3  93 cmd_info_i[i].addr_swap_en, 94 cmd_info_i[i].dummy_en, 95 ^cmd_info_i[i].dummy_size, 96 cmd_info_i[i].payload_dir, 97 ^cmd_info_i[i].payload_en, 98 cmd_info_i[i].payload_swap_en}; 99 end 100 end 101 102 //////////////// 103 // Definition // 104 //////////////// 105 typedef enum logic [3:0] { 106 // At Idle, FSM waits command valid signal. 107 // The last 8th bit in the command byte determines the last two bit from 108 // `upload_mask`. Then triggers proper downstream modules based on 109 // predefined opcode and `upload_mask`. 110 StIdle, 111 112 // State machine has state for each downstream module, to track and select 113 // proper io_mode and signals 114 StStatus, 115 StSfdp, 116 StJedec, 117 118 // Mailbox is processed in Read Command block. 119 StReadCmd, 120 121 StUpload, 122 123 // EN4B/ EX4B fall into this state 124 StAddr4B, 125 126 // Write Enable / Disable state 127 StWrEn, 128 129 // If opcode does not matched, FSM moves to here and wait the reset. 130 StWait 131 } st_e; 132 st_e st, st_d; 133 134 // spi_flash_cmd_e defines HW supported (TBD for IO) commands. 135 // If received SPI Flash command falls into one of these commands, the module 136 // processes the command without SW intervention. 137 typedef enum logic [7:0] { 138 OpReadStatus1 = 'h 05, 139 OpReadStatus2 = 'h 35, 140 OpReadStatus3 = 'h 15, 141 OpReadJEDEC = 'h 9F, 142 OpReadSfdp = 'h 5A, 143 OpReadNormal = 'h 03, 144 OpReadFast = 'h 0B, 145 OpReadDual = 'h 3B, 146 OpReadQuad = 'h 6B, 147 // Supporting DualIO/ QuadIO is TBD. 148 OpReadDualIO = 'h BB, 149 OpReadQuadIO = 'h EB 150 } spi_flash_cmd_e; 151 152 //////////// 153 // Signal // 154 //////////// 155 sel_datapath_e sel_dp; 156 1/1 assign sel_dp_o = sel_dp; Tests: T1 T2 T3  157 `ASSERT_KNOWN(SelDpKnown_A, sel_dp_o) 158 159 sel_datapath_e cmd_only_sel_dp; 160 1/1 assign cmd_only_sel_dp_o = cmd_only_sel_dp; Tests: T1 T2 T3  161 `ASSERT_KNOWN(CmdOnlySelDpKnown_A, cmd_only_sel_dp_o) 162 163 // FSM asserts latching enable signal for cmd_info in 8th opcode cycle. 164 logic latch_cmdinfo; 165 cmd_info_t cmd_info_d, cmd_info_q; 166 logic [CmdInfoIdxW-1:0] cmd_info_idx_d, cmd_info_idx_q; 167 168 // the logic operates only when module_active condition is met 169 logic module_active; 170 logic in_flashmode, in_passthrough; 171 172 // Intercept passthrough if Passthrough is in active 173 // As intercept does not affect in Flash mode, the logic ignores 174 // `in_passthrough` condition. 175 logic intercept_d; 176 177 // below signals are used in the FSM to determine to activate a certain 178 // datapath based on the received input (opcode). The opcode is the SW 179 // configurable CSRs `cmd_info_i`. 180 logic opcode_readstatus, opcode_readjedec, opcode_readsfdp, opcode_readcmd; 181 logic opcode_en4b, opcode_ex4b; 182 logic opcode_wren, opcode_wrdi; 183 184 always_comb begin 185 1/1 opcode_readstatus = 1'b 0; Tests: T1 T2 T3  186 1/1 for (int i = 0 ; i < 3 ; i++) begin Tests: T1 T2 T3  187 1/1 if (cmd_info_i[CmdInfoReadStatus1+i].valid Tests: T1 T2 T3  188 && (data_i == cmd_info_i[CmdInfoReadStatus1+i].opcode)) begin 189 1/1 opcode_readstatus = 1'b 1; Tests: T6 T14 T19  190 end MISSING_ELSE 191 end 192 end 193 194 1/1 assign opcode_readjedec = cmd_info_i[CmdInfoReadJedecId].valid Tests: T1 T2 T3  195 && (data_i == cmd_info_i[CmdInfoReadJedecId].opcode); 196 1/1 assign opcode_readsfdp = cmd_info_i[CmdInfoReadSfdp].valid Tests: T1 T2 T3  197 && (data_i == cmd_info_i[CmdInfoReadSfdp].opcode); 198 1/1 assign opcode_en4b = !sck_status_busy_i && cmd_info_i[CmdInfoEn4B].valid Tests: T1 T2 T3  199 && (data_i == cmd_info_i[CmdInfoEn4B].opcode); 200 1/1 assign opcode_ex4b = !sck_status_busy_i && cmd_info_i[CmdInfoEx4B].valid Tests: T1 T2 T3  201 && (data_i == cmd_info_i[CmdInfoEx4B].opcode); 202 1/1 assign opcode_wren = !sck_status_busy_i && cmd_info_i[CmdInfoWrEn].valid Tests: T1 T2 T3  203 && (data_i == cmd_info_i[CmdInfoWrEn].opcode); 204 1/1 assign opcode_wrdi = !sck_status_busy_i && cmd_info_i[CmdInfoWrDi].valid Tests: T1 T2 T3  205 && (data_i == cmd_info_i[CmdInfoWrDi].opcode); 206 207 always_comb begin 208 1/1 opcode_readcmd = 1'b 0; Tests: T1 T2 T3  209 1/1 for (int unsigned i = CmdInfoReadCmdStart ; i <= CmdInfoReadCmdEnd ; i++) begin Tests: T1 T2 T3  210 1/1 if (cmd_info_i[i].valid && data_i == cmd_info_i[i].opcode) begin Tests: T1 T2 T3  211 1/1 opcode_readcmd = 1'b 1; Tests: T6 T13 T14  212 end MISSING_ELSE 213 end 214 end 215 216 // cmd_info latch 217 always_ff @(posedge clk_i or negedge rst_ni) begin 218 1/1 if (!rst_ni) begin Tests: T1 T2 T3  219 1/1 cmd_info_q <= '{ Tests: T1 T2 T3  220 payload_dir: payload_dir_e'(PayloadIn), 221 addr_mode: addr_mode_e'(0), 222 read_pipeline_mode: read_pipeline_mode_e'(0), 223 default: '0 224 }; 225 1/1 cmd_info_idx_q <= '0; Tests: T1 T2 T3  226 1/1 end else if (latch_cmdinfo) begin Tests: T6 T13 T14  227 1/1 cmd_info_q <= cmd_info_d; Tests: T6 T13 T14  228 1/1 cmd_info_idx_q <= cmd_info_idx_d; Tests: T6 T13 T14  229 end MISSING_ELSE 230 end 231 232 always_comb begin 233 1/1 cmd_info_d = '{ Tests: T1 T2 T3  234 payload_dir: payload_dir_e'(PayloadIn), 235 addr_mode: addr_mode_e'(0), 236 read_pipeline_mode: read_pipeline_mode_e'(0), 237 default: '0 238 }; 239 1/1 cmd_info_idx_d = '0; Tests: T1 T2 T3  240 1/1 if ((st == StIdle) && module_active && data_valid_i) begin Tests: T1 T2 T3  241 1/1 for (int unsigned i = 0 ; i < NumTotalCmdInfo ; i++ ) begin Tests: T1 T2 T3  242 1/1 if (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode)) begin Tests: T1 T2 T3  243 1/1 cmd_info_d = cmd_info_i[i]; Tests: T6 T13 T14  244 1/1 cmd_info_idx_d = CmdInfoIdxW'(i); Tests: T6 T13 T14  245 end MISSING_ELSE 246 end 247 end MISSING_ELSE 248 end 249 250 // cmd_info & cmd_info_idx are registered output in the cmdparse module. 251 // The upload module in SPI_DEVICE uses cmd_info to determine if the address 252 // field exists or not. 253 1/1 assign cmd_info_o = cmd_info_q; Tests: T1 T2 T3  254 1/1 assign cmd_info_idx_o = cmd_info_idx_q; Tests: T1 T2 T3  255 256 // The cmd_info value arrives to the rest of the module one clock late. It 257 // results in the upload module to assume the command does not have the 258 // address field. 259 260 // This commit pulls in the cmd_info one clock early. It leads to longer 261 // datapath as cmdparse cannot register the data. 262 always_comb begin : cmd_only_info_output 263 1/1 cmd_only_info_o = '{ Tests: T1 T2 T3  264 payload_dir: payload_dir_e'(PayloadIn), 265 addr_mode: addr_mode_e'(0), 266 read_pipeline_mode: read_pipeline_mode_e'(0), 267 default: '0 268 }; 269 1/1 cmd_only_info_idx_o = '0; Tests: T1 T2 T3  270 271 1/1 if ((st == StIdle) && module_active && data_valid_i) begin Tests: T1 T2 T3  272 1/1 cmd_only_info_o = cmd_info_d; Tests: T1 T2 T3  273 1/1 cmd_only_info_idx_o = cmd_info_idx_d; Tests: T1 T2 T3  274 end MISSING_ELSE 275 end 276 277 // Check upload field in the cmd_info 278 logic upload; 279 1/1 assign upload = cmd_info_d.upload && !sck_status_busy_i; Tests: T1 T2 T3  280 281 // Intercept: Latched in SCK 282 always_ff @(posedge clk_i or negedge rst_ni) begin 283 1/1 if (!rst_ni) begin Tests: T1 T2 T3  284 1/1 intercept_status_o <= 1'b 0; Tests: T1 T2 T3  285 1/1 intercept_jedec_o <= 1'b 0; Tests: T1 T2 T3  286 1/1 intercept_sfdp_o <= 1'b 0; Tests: T1 T2 T3  287 1/1 end else if (intercept_d) begin Tests: T6 T13 T14  288 2/2 if (opcode_readstatus) intercept_status_o <= 1'b 1; Tests: T18 T21 T24  | T21 T24 T26  MISSING_ELSE 289 2/2 if (opcode_readjedec) intercept_jedec_o <= 1'b 1; Tests: T18 T21 T24  | T18 T69 T54  MISSING_ELSE 290 2/2 if (opcode_readsfdp) intercept_sfdp_o <= 1'b 1; Tests: T18 T21 T24  | T60 T46 T69  MISSING_ELSE 291 end MISSING_ELSE 292 end 293 294 // CFG: Added 2-stage pipeline for read payloads 295 1/1 assign cmd_read_pipeline_sel_o = (cmd_info_q.read_pipeline_mode == RdPipeTwoStageHalfCycle) || Tests: T1 T2 T3  296 (cmd_info_q.read_pipeline_mode == RdPipeTwoStageFullCycle); 297 298 /////////////////// 299 // State Machine // 300 /////////////////// 301 302 1/1 assign in_flashmode = spi_mode_i == FlashMode ; Tests: T1 T2 T3  303 1/1 assign in_passthrough = spi_mode_i == PassThrough ; Tests: T1 T2 T3  304 1/1 assign module_active = in_flashmode || in_passthrough ; Tests: T1 T2 T3  305 306 always_ff @(posedge clk_i or negedge rst_ni) begin 307 1/1 if (!rst_ni) begin Tests: T1 T2 T3  308 1/1 st <= StIdle; Tests: T1 T2 T3  309 1/1 end else if (module_active) begin Tests: T6 T13 T14  310 1/1 st <= st_d; Tests: T6 T13 T14  311 end ==> MISSING_ELSE 312 end 313 314 always_comb begin 315 1/1 st_d = st; Tests: T1 T2 T3  316 317 1/1 sel_dp = DpNone; Tests: T1 T2 T3  318 1/1 cmd_only_sel_dp = DpNone; Tests: T1 T2 T3  319 320 1/1 cmd_sync_pulse_o = 1'b0; Tests: T1 T2 T3  321 1/1 latch_cmdinfo = 1'b 0; Tests: T1 T2 T3  322 323 1/1 intercept_d = 1'b 0; Tests: T1 T2 T3  324 325 1/1 unique case (st) Tests: T1 T2 T3  326 StIdle: begin 327 1/1 if (module_active && data_valid_i && cmd_info_d.valid) begin Tests: T1 T2 T3  328 // 8th bit is valid here 329 1/1 latch_cmdinfo = 1'b 1; Tests: T6 T13 T14  330 1/1 cmd_sync_pulse_o = 1'b1; Tests: T6 T13 T14  331 332 1/1 priority case (1'b 1) Tests: T6 T13 T14  333 opcode_readstatus: begin 334 1/1 if (in_flashmode) begin Tests: T14 T20 T21  335 1/1 st_d = StStatus; Tests: T56 T58 T53  336 1/1 end else if (cfg_intercept_en_status_i) begin Tests: T14 T20 T21  337 1/1 st_d = StStatus; Tests: T21 T24 T26  338 1/1 intercept_d = 1'b 1; Tests: T21 T24 T26  339 end else begin 340 1/1 st_d = StWait; Tests: T14 T20 T59  341 end 342 end 343 344 opcode_readjedec: begin 345 1/1 if (in_flashmode) begin Tests: T18 T26 T64  346 1/1 st_d = StJedec; Tests: T53 T82 T42  347 1/1 end else if (cfg_intercept_en_jedec_i) begin Tests: T18 T26 T64  348 1/1 st_d = StJedec; Tests: T18 T69 T54  349 1/1 intercept_d = 1'b 1; Tests: T18 T69 T54  350 end else begin 351 1/1 st_d = StWait; Tests: T26 T64 T113  352 end 353 end 354 355 // Read SFDP may combine with Read command later 356 opcode_readsfdp: begin 357 1/1 if (in_flashmode) begin Tests: T60 T62 T56  358 1/1 st_d = StSfdp; Tests: T56 T53 T57  359 1/1 end else if (cfg_intercept_en_sfdp_i) begin Tests: T60 T62 T46  360 1/1 st_d = StSfdp; Tests: T60 T46 T69  361 1/1 intercept_d = 1'b 1; Tests: T60 T46 T69  362 end else begin 363 // Check passthrough 364 1/1 st_d = StWait; Tests: T62 T114 T67  365 end 366 end 367 368 opcode_readcmd: begin 369 // Let it move to ReadCmd regardless of the modes 370 // Then, ReadCmd will handle Mailbox command if received address 371 // falls into Mailbox address range 372 1/1 st_d = StReadCmd; Tests: T6 T18 T19  373 end 374 375 upload: begin 376 1/1 st_d = StUpload; Tests: T46 T58 T53  377 1/1 cmd_only_sel_dp = DpUpload; Tests: T46 T58 T53  378 end 379 380 opcode_en4b, opcode_ex4b: begin 381 1/1 st_d = StAddr4B; Tests: T23 T61 T56  382 383 // opcode only commands. Need to assert DP before transition 384 1/1 cmd_only_sel_dp = (opcode_en4b) ? DpEn4B : DpEx4B ; Tests: T23 T61 T56  385 end 386 387 opcode_wren, opcode_wrdi: begin 388 1/1 st_d = StWrEn; Tests: T23 T61 T56  389 390 // opcode only commands. Need to assert DP before transition 391 1/1 cmd_only_sel_dp = (opcode_wren) ? DpWrEn : DpWrDi ; Tests: T23 T61 T56  392 end 393 394 default: begin 395 st_d = StWait; 396 397 // DpNone 398 end 399 endcase 400 end // if (module_active && data_valid_i && cmd_info_d.valid) 401 1/1 else if (module_active && data_valid_i) begin Tests: T1 T2 T3  402 // Could not find valid command information entry. 403 1/1 st_d = StWait; Tests: T1 T2 T3  404 1/1 cmd_sync_pulse_o = 1'b1; Tests: T1 T2 T3  405 end // if (module_active && data_valid_i) MISSING_ELSE 406 end 407 408 // dead-end states below. Reset (CSb de-assertion) let SM back to Idle 409 1/1 StStatus: sel_dp = DpReadStatus; Tests: T21 T24 T26  410 411 1/1 StJedec: sel_dp = DpReadJEDEC; Tests: T18 T82 T42  412 413 1/1 StSfdp: sel_dp = DpReadSFDP; Tests: T60 T56 T46  414 415 1/1 StReadCmd: sel_dp = DpReadCmd; Tests: T6 T18 T19  416 417 1/1 StUpload: sel_dp = DpUpload; Tests: T46 T58 T53  418 419 1/1 StAddr4B: sel_dp = DpNone; // Terminal state wait reset Tests: T23 T61 T56  420 421 1/1 StWrEn: sel_dp = DpNone; // Terminal state wait reset Tests: T23 T61 T56  422 423 StWait: begin 424 1/1 st_d = StWait; Tests: T6 T13 T14  425 426 1/1 sel_dp = DpNone; Tests: T6 T13 T14  427 end 428 429 default: begin 430 sel_dp = DpNone; 431 432 st_d = StIdle;

Cond Coverage for Module : spi_cmdparse
TotalCoveredPercent
Conditions898393.26
Logical898393.26
Non-Logical00
Event00

 LINE       187
 EXPRESSION (cmd_info_i[(CmdInfoReadStatus1 + i)].valid && (data_i == cmd_info_i[(CmdInfoReadStatus1 + i)].opcode))
             ---------------------1--------------------    ---------------------------2---------------------------
-1--2-StatusTests
01CoveredT3,T4,T6
10CoveredT6,T13,T14
11CoveredT6,T14,T19

 LINE       187
 SUB-EXPRESSION (data_i == cmd_info_i[(CmdInfoReadStatus1 + i)].opcode)
                ---------------------------1---------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       194
 EXPRESSION (cmd_info_i[CmdInfoReadJedecId].valid && (data_i == cmd_info_i[CmdInfoReadJedecId].opcode))
             ------------------1-----------------    ------------------------2------------------------
-1--2-StatusTests
01CoveredT3,T4,T6
10CoveredT13,T14,T18
11CoveredT14,T18,T19

 LINE       194
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoReadJedecId].opcode)
                ------------------------1------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       196
 EXPRESSION (cmd_info_i[CmdInfoReadSfdp].valid && (data_i == cmd_info_i[CmdInfoReadSfdp].opcode))
             ----------------1----------------    -----------------------2----------------------
-1--2-StatusTests
01CoveredT3,T4,T12
10CoveredT6,T19,T23
11CoveredT6,T19,T23

 LINE       196
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoReadSfdp].opcode)
                -----------------------1----------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       198
 EXPRESSION (((!sck_status_busy_i)) && cmd_info_i[CmdInfoEn4B].valid && (data_i == cmd_info_i[CmdInfoEn4B].opcode))
             -----------1----------    --------------2--------------    ---------------------3--------------------
-1--2--3-StatusTests
011CoveredT46,T58,T53
101CoveredT3,T4,T6
110CoveredT23,T26,T61
111CoveredT23,T26,T61

 LINE       198
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoEn4B].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       200
 EXPRESSION (((!sck_status_busy_i)) && cmd_info_i[CmdInfoEx4B].valid && (data_i == cmd_info_i[CmdInfoEx4B].opcode))
             -----------1----------    --------------2--------------    ---------------------3--------------------
-1--2--3-StatusTests
011CoveredT46,T58,T53
101CoveredT3,T4,T6
110CoveredT56,T46,T58
111CoveredT56,T46,T58

 LINE       200
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoEx4B].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       202
 EXPRESSION (((!sck_status_busy_i)) && cmd_info_i[CmdInfoWrEn].valid && (data_i == cmd_info_i[CmdInfoWrEn].opcode))
             -----------1----------    --------------2--------------    ---------------------3--------------------
-1--2--3-StatusTests
011CoveredT46,T58,T53
101CoveredT3,T4,T6
110CoveredT61,T56,T46
111CoveredT61,T56,T46

 LINE       202
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoWrEn].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       204
 EXPRESSION (((!sck_status_busy_i)) && cmd_info_i[CmdInfoWrDi].valid && (data_i == cmd_info_i[CmdInfoWrDi].opcode))
             -----------1----------    --------------2--------------    ---------------------3--------------------
-1--2--3-StatusTests
011CoveredT46,T58,T53
101CoveredT3,T4,T6
110CoveredT23,T61,T56
111CoveredT23,T61,T56

 LINE       204
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoWrDi].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       210
 EXPRESSION (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode))
             ---------1---------    ----------------2---------------
-1--2-StatusTests
01CoveredT3,T4,T6
10CoveredT6,T13,T14
11CoveredT6,T13,T14

 LINE       210
 SUB-EXPRESSION (data_i == cmd_info_i[i].opcode)
                ----------------1---------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT3,T4,T6

 LINE       240
 EXPRESSION ((st == StIdle) && module_active && data_valid_i)
             -------1------    ------2------    ------3-----
-1--2--3-StatusTests
011CoveredT6,T13,T14
101Not Covered
110CoveredT1,T2,T3
111CoveredT6,T13,T14

 LINE       240
 SUB-EXPRESSION (st == StIdle)
                -------1------
-1-StatusTests
0CoveredT6,T13,T14
1CoveredT1,T2,T3

 LINE       242
 EXPRESSION (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode))
             ---------1---------    ----------------2---------------
-1--2-StatusTests
01CoveredT6,T13,T14
10CoveredT6,T13,T14
11CoveredT6,T13,T14

 LINE       242
 SUB-EXPRESSION (data_i == cmd_info_i[i].opcode)
                ----------------1---------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT6,T13,T14

 LINE       271
 EXPRESSION ((st == StIdle) && module_active && data_valid_i)
             -------1------    ------2------    ------3-----
-1--2--3-StatusTests
011CoveredT6,T13,T14
101Not Covered
110CoveredT1,T2,T3
111CoveredT6,T13,T14

 LINE       271
 SUB-EXPRESSION (st == StIdle)
                -------1------
-1-StatusTests
0CoveredT6,T13,T14
1CoveredT1,T2,T3

 LINE       279
 EXPRESSION (cmd_info_d.upload && ((!sck_status_busy_i)))
             --------1--------    -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT69,T55,T102
11CoveredT46,T58,T53

 LINE       295
 EXPRESSION ((cmd_info_q.read_pipeline_mode == RdPipeTwoStageHalfCycle) || (cmd_info_q.read_pipeline_mode == RdPipeTwoStageFullCycle))
             -----------------------------1----------------------------    -----------------------------2----------------------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT6,T18,T19
10CoveredT19,T59,T62

 LINE       295
 SUB-EXPRESSION (cmd_info_q.read_pipeline_mode == RdPipeTwoStageHalfCycle)
                -----------------------------1----------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT19,T59,T62

 LINE       295
 SUB-EXPRESSION (cmd_info_q.read_pipeline_mode == RdPipeTwoStageFullCycle)
                -----------------------------1----------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT6,T18,T19

 LINE       302
 EXPRESSION (spi_mode_i == FlashMode)
            ------------1------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       303
 EXPRESSION (spi_mode_i == PassThrough)
            -------------1-------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT6,T14,T18

 LINE       304
 EXPRESSION (in_flashmode || in_passthrough)
             ------1-----    -------2------
-1--2-StatusTests
00Not Covered
01CoveredT6,T14,T18
10CoveredT1,T2,T3

 LINE       327
 EXPRESSION (module_active && data_valid_i && cmd_info_d.valid)
             ------1------    ------2-----    --------3-------
-1--2--3-StatusTests
011Not Covered
101Not Covered
110CoveredT6,T14,T18
111CoveredT6,T13,T14

 LINE       384
 EXPRESSION (opcode_en4b ? DpEn4B : DpEx4B)
             -----1-----
-1-StatusTests
0CoveredT53,T96,T97
1CoveredT23,T61,T56

 LINE       391
 EXPRESSION (opcode_wren ? DpWrEn : DpWrDi)
             -----1-----
-1-StatusTests
0CoveredT23,T61,T56
1CoveredT61,T56,T46

 LINE       401
 EXPRESSION (module_active && data_valid_i)
             ------1------    ------2-----
-1--2-StatusTests
01Not Covered
10CoveredT1,T2,T3
11CoveredT6,T14,T18

FSM Coverage for Module : spi_cmdparse
Summary for FSM :: st
TotalCoveredPercent
States 9 9 100.00 (Not included in score)
Transitions 8 8 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: st
statesLine No.CoveredTests
StAddr4B 381 Covered T23,T61,T56
StIdle 240 Covered T1,T2,T3
StJedec 346 Covered T18,T82,T42
StReadCmd 372 Covered T6,T18,T19
StSfdp 358 Covered T60,T56,T46
StStatus 335 Covered T21,T24,T26
StUpload 376 Covered T46,T58,T53
StWait 340 Covered T6,T13,T14
StWrEn 388 Covered T23,T61,T56


transitionsLine No.CoveredTests
StIdle->StAddr4B 381 Covered T23,T61,T56
StIdle->StJedec 346 Covered T18,T82,T42
StIdle->StReadCmd 372 Covered T6,T18,T19
StIdle->StSfdp 358 Covered T60,T56,T46
StIdle->StStatus 335 Covered T21,T24,T26
StIdle->StUpload 376 Covered T46,T58,T53
StIdle->StWait 340 Covered T6,T13,T14
StIdle->StWrEn 388 Covered T23,T61,T56



Branch Coverage for Module : spi_cmdparse
Line No.TotalCoveredPercent
Branches 49 47 95.92
IF 187 2 2 100.00
IF 210 2 2 100.00
IF 218 3 3 100.00
IF 240 2 2 100.00
IF 271 2 2 100.00
IF 283 8 8 100.00
IF 307 3 2 66.67
CASE 325 27 26 96.30


187 if (cmd_info_i[CmdInfoReadStatus1+i].valid -1- 188 && (data_i == cmd_info_i[CmdInfoReadStatus1+i].opcode)) begin 189 opcode_readstatus = 1'b 1; ==> 190 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T6,T14,T19
0 Covered T1,T2,T3


210 if (cmd_info_i[i].valid && data_i == cmd_info_i[i].opcode) begin -1- 211 opcode_readcmd = 1'b 1; ==> 212 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T6,T13,T14
0 Covered T1,T2,T3


218 if (!rst_ni) begin -1- 219 cmd_info_q <= '{ ==> 220 payload_dir: payload_dir_e'(PayloadIn), 221 addr_mode: addr_mode_e'(0), 222 read_pipeline_mode: read_pipeline_mode_e'(0), 223 default: '0 224 }; 225 cmd_info_idx_q <= '0; 226 end else if (latch_cmdinfo) begin -2- 227 cmd_info_q <= cmd_info_d; ==> 228 cmd_info_idx_q <= cmd_info_idx_d; 229 end MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T6,T13,T14
0 0 Covered T6,T13,T14


240 if ((st == StIdle) && module_active && data_valid_i) begin -1- 241 for (int unsigned i = 0 ; i < NumTotalCmdInfo ; i++ ) begin ==> 242 if (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode)) begin 243 cmd_info_d = cmd_info_i[i]; 244 cmd_info_idx_d = CmdInfoIdxW'(i); 245 end 246 end 247 end MISSING_ELSE ==>

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


271 if ((st == StIdle) && module_active && data_valid_i) begin -1- 272 cmd_only_info_o = cmd_info_d; ==> 273 cmd_only_info_idx_o = cmd_info_idx_d; 274 end MISSING_ELSE ==>

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


283 if (!rst_ni) begin -1- 284 intercept_status_o <= 1'b 0; ==> 285 intercept_jedec_o <= 1'b 0; 286 intercept_sfdp_o <= 1'b 0; 287 end else if (intercept_d) begin -2- 288 if (opcode_readstatus) intercept_status_o <= 1'b 1; -3- ==> MISSING_ELSE ==> 289 if (opcode_readjedec) intercept_jedec_o <= 1'b 1; -4- ==> MISSING_ELSE ==> 290 if (opcode_readsfdp) intercept_sfdp_o <= 1'b 1; -5- ==> MISSING_ELSE ==> 291 end MISSING_ELSE ==>

Branches:
-1--2--3--4--5-StatusTests
1 - - - - Covered T1,T2,T3
0 1 1 - - Covered T21,T24,T26
0 1 0 - - Covered T18,T60,T46
0 1 - 1 - Covered T18,T69,T54
0 1 - 0 - Covered T21,T24,T26
0 1 - - 1 Covered T60,T46,T69
0 1 - - 0 Covered T18,T21,T24
0 0 - - - Covered T6,T13,T14


307 if (!rst_ni) begin -1- 308 st <= StIdle; ==> 309 end else if (module_active) begin -2- 310 st <= st_d; ==> 311 end MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T6,T13,T14
0 0 Not Covered


325 unique case (st) -1- 326 StIdle: begin 327 if (module_active && data_valid_i && cmd_info_d.valid) begin -2- 328 // 8th bit is valid here 329 latch_cmdinfo = 1'b 1; 330 cmd_sync_pulse_o = 1'b1; 331 332 priority case (1'b 1) -3- 333 opcode_readstatus: begin 334 if (in_flashmode) begin -4- 335 st_d = StStatus; ==> 336 end else if (cfg_intercept_en_status_i) begin -5- 337 st_d = StStatus; ==> 338 intercept_d = 1'b 1; 339 end else begin 340 st_d = StWait; ==> 341 end 342 end 343 344 opcode_readjedec: begin 345 if (in_flashmode) begin -6- 346 st_d = StJedec; ==> 347 end else if (cfg_intercept_en_jedec_i) begin -7- 348 st_d = StJedec; ==> 349 intercept_d = 1'b 1; 350 end else begin 351 st_d = StWait; ==> 352 end 353 end 354 355 // Read SFDP may combine with Read command later 356 opcode_readsfdp: begin 357 if (in_flashmode) begin -8- 358 st_d = StSfdp; ==> 359 end else if (cfg_intercept_en_sfdp_i) begin -9- 360 st_d = StSfdp; ==> 361 intercept_d = 1'b 1; 362 end else begin 363 // Check passthrough 364 st_d = StWait; ==> 365 end 366 end 367 368 opcode_readcmd: begin 369 // Let it move to ReadCmd regardless of the modes 370 // Then, ReadCmd will handle Mailbox command if received address 371 // falls into Mailbox address range 372 st_d = StReadCmd; ==> 373 end 374 375 upload: begin 376 st_d = StUpload; ==> 377 cmd_only_sel_dp = DpUpload; 378 end 379 380 opcode_en4b, opcode_ex4b: begin 381 st_d = StAddr4B; 382 383 // opcode only commands. Need to assert DP before transition 384 cmd_only_sel_dp = (opcode_en4b) ? DpEn4B : DpEx4B ; -10- ==> ==> 385 end 386 387 opcode_wren, opcode_wrdi: begin 388 st_d = StWrEn; 389 390 // opcode only commands. Need to assert DP before transition 391 cmd_only_sel_dp = (opcode_wren) ? DpWrEn : DpWrDi ; -11- ==> ==> 392 end 393 394 default: begin 395 st_d = StWait; ==> 396 397 // DpNone 398 end 399 endcase 400 end // if (module_active && data_valid_i && cmd_info_d.valid) 401 else if (module_active && data_valid_i) begin -12- 402 // Could not find valid command information entry. 403 st_d = StWait; ==> 404 cmd_sync_pulse_o = 1'b1; 405 end // if (module_active && data_valid_i) MISSING_ELSE ==> 406 end 407 408 // dead-end states below. Reset (CSb de-assertion) let SM back to Idle 409 StStatus: sel_dp = DpReadStatus; ==> 410 411 StJedec: sel_dp = DpReadJEDEC; ==> 412 413 StSfdp: sel_dp = DpReadSFDP; ==> 414 415 StReadCmd: sel_dp = DpReadCmd; ==> 416 417 StUpload: sel_dp = DpUpload; ==> 418 419 StAddr4B: sel_dp = DpNone; // Terminal state wait reset ==> 420 421 StWrEn: sel_dp = DpNone; // Terminal state wait reset ==> 422 423 StWait: begin 424 st_d = StWait; ==> 425 426 sel_dp = DpNone; 427 end 428 429 default: begin 430 sel_dp = DpNone; ==>

Branches:
-1--2--3--4--5--6--7--8--9--10--11--12-StatusTests
StIdle 1 opcode_readstatus 1 - - - - - - - - Covered T56,T58,T53
StIdle 1 opcode_readstatus 0 1 - - - - - - - Covered T21,T24,T26
StIdle 1 opcode_readstatus 0 0 - - - - - - - Covered T14,T20,T59
StIdle 1 opcode_readjedec - - 1 - - - - - - Covered T53,T82,T42
StIdle 1 opcode_readjedec - - 0 1 - - - - - Covered T18,T69,T54
StIdle 1 opcode_readjedec - - 0 0 - - - - - Covered T26,T64,T113
StIdle 1 opcode_readsfdp - - - - 1 - - - - Covered T56,T53,T57
StIdle 1 opcode_readsfdp - - - - 0 1 - - - Covered T60,T46,T69
StIdle 1 opcode_readsfdp - - - - 0 0 - - - Covered T62,T114,T67
StIdle 1 opcode_readcmd - - - - - - - - - Covered T6,T18,T19
StIdle 1 upload - - - - - - - - - Covered T46,T58,T53
StIdle 1 opcode_en4b opcode_ex4b - - - - - - 1 - - Covered T23,T61,T56
StIdle 1 opcode_en4b opcode_ex4b - - - - - - 0 - - Covered T53,T96,T97
StIdle 1 opcode_wren opcode_wrdi - - - - - - - 1 - Covered T61,T56,T46
StIdle 1 opcode_wren opcode_wrdi - - - - - - - 0 - Covered T23,T61,T56
StIdle 1 default - - - - - - - - - Covered T13,T14,T24
StIdle 0 - - - - - - - - - 1 Covered T1,T2,T3
StIdle 0 - - - - - - - - - 0 Covered T1,T2,T3
StStatus - - - - - - - - - - - Covered T21,T24,T26
StJedec - - - - - - - - - - - Covered T18,T82,T42
StSfdp - - - - - - - - - - - Covered T60,T56,T46
StReadCmd - - - - - - - - - - - Covered T6,T18,T19
StUpload - - - - - - - - - - - Covered T46,T58,T53
StAddr4B - - - - - - - - - - - Covered T23,T61,T56
StWrEn - - - - - - - - - - - Covered T23,T61,T56
StWait - - - - - - - - - - - Covered T6,T13,T14
default - - - - - - - - - - - Not Covered


Assert Coverage for Module : spi_cmdparse
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 4 4 100.00 4 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 4 4 100.00 4 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CmdOnlySelDpKnown_A 151971634 121758958 0 0
OnlyOneDatapath_A 151971634 65435 0 0
SelDpKnown_A 151971634 121758958 0 0
StKnown_A 151971634 121758958 0 0


CmdOnlySelDpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 151971634 121758958 0 0
T6 6240 6240 0 0
T12 7219 0 0 0
T13 32 32 0 0
T14 10634 10634 0 0
T15 360 0 0 0
T16 184 0 0 0
T17 17487 0 0 0
T18 20388 19990 0 0
T19 19830 19536 0 0
T20 55532 55232 0 0
T21 0 24272 0 0
T23 0 34464 0 0
T24 0 62324 0 0
T25 0 18795 0 0

OnlyOneDatapath_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 151971634 65435 0 0
T6 6240 4 0 0
T12 7219 0 0 0
T13 32 1 0 0
T14 10634 10 0 0
T15 360 0 0 0
T16 184 0 0 0
T17 17487 0 0 0
T18 20388 12 0 0
T19 19830 8 0 0
T20 55532 10 0 0
T21 0 12 0 0
T23 0 28 0 0
T24 0 8 0 0
T25 0 8 0 0

SelDpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 151971634 121758958 0 0
T6 6240 6240 0 0
T12 7219 0 0 0
T13 32 32 0 0
T14 10634 10634 0 0
T15 360 0 0 0
T16 184 0 0 0
T17 17487 0 0 0
T18 20388 19990 0 0
T19 19830 19536 0 0
T20 55532 55232 0 0
T21 0 24272 0 0
T23 0 34464 0 0
T24 0 62324 0 0
T25 0 18795 0 0

StKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 151971634 121758958 0 0
T6 6240 6240 0 0
T12 7219 0 0 0
T13 32 32 0 0
T14 10634 10634 0 0
T15 360 0 0 0
T16 184 0 0 0
T17 17487 0 0 0
T18 20388 19990 0 0
T19 19830 19536 0 0
T20 55532 55232 0 0
T21 0 24272 0 0
T23 0 34464 0 0
T24 0 62324 0 0
T25 0 18795 0 0

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