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: T4 T15 T16  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: T4 T15 T16  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: T4 T15 T16  227 1/1 cmd_info_q <= cmd_info_d; Tests: T4 T15 T16  228 1/1 cmd_info_idx_q <= cmd_info_idx_d; Tests: T4 T15 T16  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: T4 T15 T16  244 1/1 cmd_info_idx_d = CmdInfoIdxW'(i); Tests: T4 T15 T16  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: T4 T15 T16  288 2/2 if (opcode_readstatus) intercept_status_o <= 1'b 1; Tests: T4 T16 T22  | T4 T16 T81  MISSING_ELSE 289 2/2 if (opcode_readjedec) intercept_jedec_o <= 1'b 1; Tests: T4 T16 T22  | T22 T66 T52  MISSING_ELSE 290 2/2 if (opcode_readsfdp) intercept_sfdp_o <= 1'b 1; Tests: T4 T16 T22  | T22 T108 T66  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: T4 T15 T16  310 1/1 st <= st_d; Tests: T4 T15 T16  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: T4 T15 T16  330 1/1 cmd_sync_pulse_o = 1'b1; Tests: T4 T15 T16  331 332 1/1 priority case (1'b 1) Tests: T4 T15 T16  333 opcode_readstatus: begin 334 1/1 if (in_flashmode) begin Tests: T4 T16 T22  335 1/1 st_d = StStatus; Tests: T24 T61 T57  336 1/1 end else if (cfg_intercept_en_status_i) begin Tests: T4 T16 T22  337 1/1 st_d = StStatus; Tests: T4 T16 T81  338 1/1 intercept_d = 1'b 1; Tests: T4 T16 T81  339 end else begin 340 1/1 st_d = StWait; Tests: T22 T55 T63  341 end 342 end 343 344 opcode_readjedec: begin 345 1/1 if (in_flashmode) begin Tests: T22 T54 T70  346 1/1 st_d = StJedec; Tests: T61 T57 T58  347 1/1 end else if (cfg_intercept_en_jedec_i) begin Tests: T22 T54 T70  348 1/1 st_d = StJedec; Tests: T22 T66 T52  349 1/1 intercept_d = 1'b 1; Tests: T22 T66 T52  350 end else begin 351 1/1 st_d = StWait; Tests: T54 T70 T131  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: T22 T24 T56  358 1/1 st_d = StSfdp; Tests: T24 T57 T58  359 1/1 end else if (cfg_intercept_en_sfdp_i) begin Tests: T22 T56 T63  360 1/1 st_d = StSfdp; Tests: T22 T108 T66  361 1/1 intercept_d = 1'b 1; Tests: T22 T108 T66  362 end else begin 363 // Check passthrough 364 1/1 st_d = StWait; Tests: T56 T63 T62  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: T17 T22 T23  373 end 374 375 upload: begin 376 1/1 st_d = StUpload; Tests: T16 T24 T66  377 1/1 cmd_only_sel_dp = DpUpload; Tests: T16 T24 T66  378 end 379 380 opcode_en4b, opcode_ex4b: begin 381 1/1 st_d = StAddr4B; Tests: T15 T24 T25  382 383 // opcode only commands. Need to assert DP before transition 384 1/1 cmd_only_sel_dp = (opcode_en4b) ? DpEn4B : DpEx4B ; Tests: T15 T24 T25  385 end 386 387 opcode_wren, opcode_wrdi: begin 388 1/1 st_d = StWrEn; Tests: T24 T25 T110  389 390 // opcode only commands. Need to assert DP before transition 391 1/1 cmd_only_sel_dp = (opcode_wren) ? DpWrEn : DpWrDi ; Tests: T24 T25 T110  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: T4 T16 T24  410 411 1/1 StJedec: sel_dp = DpReadJEDEC; Tests: T22 T66 T61  412 413 1/1 StSfdp: sel_dp = DpReadSFDP; Tests: T22 T24 T108  414 415 1/1 StReadCmd: sel_dp = DpReadCmd; Tests: T17 T22 T23  416 417 1/1 StUpload: sel_dp = DpUpload; Tests: T16 T24 T66  418 419 1/1 StAddr4B: sel_dp = DpNone; // Terminal state wait reset Tests: T15 T24 T25  420 421 1/1 StWrEn: sel_dp = DpNone; // Terminal state wait reset Tests: T25 T110 T66  422 423 StWait: begin 424 1/1 st_d = StWait; Tests: T4 T15 T16  425 426 1/1 sel_dp = DpNone; Tests: T4 T15 T16  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
01CoveredT4,T5,T7
10CoveredT4,T15,T16
11CoveredT4,T15,T16

 LINE       187
 SUB-EXPRESSION (data_i == cmd_info_i[(CmdInfoReadStatus1 + i)].opcode)
                ---------------------------1---------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 LINE       194
 EXPRESSION (cmd_info_i[CmdInfoReadJedecId].valid && (data_i == cmd_info_i[CmdInfoReadJedecId].opcode))
             ------------------1-----------------    ------------------------2------------------------
-1--2-StatusTests
01CoveredT5,T7,T10
10CoveredT4,T17,T40
11CoveredT4,T17,T20

 LINE       194
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoReadJedecId].opcode)
                ------------------------1------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 LINE       196
 EXPRESSION (cmd_info_i[CmdInfoReadSfdp].valid && (data_i == cmd_info_i[CmdInfoReadSfdp].opcode))
             ----------------1----------------    -----------------------2----------------------
-1--2-StatusTests
01CoveredT4,T5,T7
10CoveredT17,T40,T22
11CoveredT17,T22,T24

 LINE       196
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoReadSfdp].opcode)
                -----------------------1----------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 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
011CoveredT61,T57,T52
101CoveredT4,T5,T7
110CoveredT15,T24,T25
111CoveredT15,T24,T25

 LINE       198
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoEn4B].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 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
011CoveredT61,T57,T52
101CoveredT4,T5,T7
110CoveredT40,T24,T81
111CoveredT24,T81,T110

 LINE       200
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoEx4B].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 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
011CoveredT66,T61,T57
101CoveredT4,T5,T7
110CoveredT40,T24,T25
111CoveredT24,T25,T132

 LINE       202
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoWrEn].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 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
011CoveredT24,T66,T61
101CoveredT4,T5,T7
110CoveredT40,T24,T25
111CoveredT24,T25,T132

 LINE       204
 SUB-EXPRESSION (data_i == cmd_info_i[CmdInfoWrDi].opcode)
                ---------------------1--------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 LINE       210
 EXPRESSION (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode))
             ---------1---------    ----------------2---------------
-1--2-StatusTests
01CoveredT4,T5,T7
10CoveredT4,T15,T16
11CoveredT4,T15,T16

 LINE       210
 SUB-EXPRESSION (data_i == cmd_info_i[i].opcode)
                ----------------1---------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T7

 LINE       240
 EXPRESSION ((st == StIdle) && module_active && data_valid_i)
             -------1------    ------2------    ------3-----
-1--2--3-StatusTests
011CoveredT4,T15,T16
101Not Covered
110CoveredT1,T2,T3
111CoveredT4,T15,T16

 LINE       240
 SUB-EXPRESSION (st == StIdle)
                -------1------
-1-StatusTests
0CoveredT4,T15,T16
1CoveredT1,T2,T3

 LINE       242
 EXPRESSION (cmd_info_i[i].valid && (data_i == cmd_info_i[i].opcode))
             ---------1---------    ----------------2---------------
-1--2-StatusTests
01CoveredT4,T15,T20
10CoveredT4,T15,T16
11CoveredT4,T15,T16

 LINE       242
 SUB-EXPRESSION (data_i == cmd_info_i[i].opcode)
                ----------------1---------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T15,T16

 LINE       271
 EXPRESSION ((st == StIdle) && module_active && data_valid_i)
             -------1------    ------2------    ------3-----
-1--2--3-StatusTests
011CoveredT4,T15,T16
101Not Covered
110CoveredT1,T2,T3
111CoveredT4,T15,T16

 LINE       271
 SUB-EXPRESSION (st == StIdle)
                -------1------
-1-StatusTests
0CoveredT4,T15,T16
1CoveredT1,T2,T3

 LINE       279
 EXPRESSION (cmd_info_d.upload && ((!sck_status_busy_i)))
             --------1--------    -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT52,T133,T129
11CoveredT16,T24,T66

 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
01CoveredT17,T22,T23
10CoveredT17,T22,T23

 LINE       295
 SUB-EXPRESSION (cmd_info_q.read_pipeline_mode == RdPipeTwoStageHalfCycle)
                -----------------------------1----------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT17,T22,T23

 LINE       295
 SUB-EXPRESSION (cmd_info_q.read_pipeline_mode == RdPipeTwoStageFullCycle)
                -----------------------------1----------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT17,T22,T23

 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
1CoveredT4,T15,T16

 LINE       304
 EXPRESSION (in_flashmode || in_passthrough)
             ------1-----    -------2------
-1--2-StatusTests
00Not Covered
01CoveredT4,T15,T16
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
110CoveredT4,T15,T16
111CoveredT4,T15,T16

 LINE       384
 EXPRESSION (opcode_en4b ? DpEn4B : DpEx4B)
             -----1-----
-1-StatusTests
0CoveredT110,T66,T111
1CoveredT15,T24,T25

 LINE       391
 EXPRESSION (opcode_wren ? DpWrEn : DpWrDi)
             -----1-----
-1-StatusTests
0CoveredT24,T25,T66
1CoveredT25,T110,T66

 LINE       401
 EXPRESSION (module_active && data_valid_i)
             ------1------    ------2-----
-1--2-StatusTests
01Not Covered
10CoveredT1,T2,T3
11CoveredT4,T15,T16

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 T15,T24,T25
StIdle 240 Covered T1,T2,T3
StJedec 346 Covered T22,T66,T61
StReadCmd 372 Covered T17,T22,T23
StSfdp 358 Covered T22,T24,T108
StStatus 335 Covered T4,T16,T24
StUpload 376 Covered T16,T24,T66
StWait 340 Covered T4,T15,T16
StWrEn 388 Covered T25,T110,T66


transitionsLine No.CoveredTests
StIdle->StAddr4B 381 Covered T15,T24,T25
StIdle->StJedec 346 Covered T22,T66,T61
StIdle->StReadCmd 372 Covered T17,T22,T23
StIdle->StSfdp 358 Covered T22,T24,T108
StIdle->StStatus 335 Covered T4,T16,T24
StIdle->StUpload 376 Covered T16,T24,T66
StIdle->StWait 340 Covered T4,T15,T16
StIdle->StWrEn 388 Covered T25,T110,T66



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 T4,T15,T16
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 T4,T15,T16
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 T4,T15,T16
0 0 Covered T4,T15,T16


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 T4,T16,T81
0 1 0 - - Covered T22,T108,T66
0 1 - 1 - Covered T22,T66,T52
0 1 - 0 - Covered T4,T16,T22
0 1 - - 1 Covered T22,T108,T66
0 1 - - 0 Covered T4,T16,T22
0 0 - - - Covered T4,T15,T16


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 T4,T15,T16
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 T24,T61,T57
StIdle 1 opcode_readstatus 0 1 - - - - - - - Covered T4,T16,T81
StIdle 1 opcode_readstatus 0 0 - - - - - - - Covered T22,T55,T63
StIdle 1 opcode_readjedec - - 1 - - - - - - Covered T61,T57,T58
StIdle 1 opcode_readjedec - - 0 1 - - - - - Covered T22,T66,T52
StIdle 1 opcode_readjedec - - 0 0 - - - - - Covered T54,T70,T131
StIdle 1 opcode_readsfdp - - - - 1 - - - - Covered T24,T57,T58
StIdle 1 opcode_readsfdp - - - - 0 1 - - - Covered T22,T108,T66
StIdle 1 opcode_readsfdp - - - - 0 0 - - - Covered T56,T63,T62
StIdle 1 opcode_readcmd - - - - - - - - - Covered T17,T22,T23
StIdle 1 upload - - - - - - - - - Covered T16,T24,T66
StIdle 1 opcode_en4b opcode_ex4b - - - - - - 1 - - Covered T15,T24,T25
StIdle 1 opcode_en4b opcode_ex4b - - - - - - 0 - - Covered T110,T66,T111
StIdle 1 opcode_wren opcode_wrdi - - - - - - - 1 - Covered T25,T110,T66
StIdle 1 opcode_wren opcode_wrdi - - - - - - - 0 - Covered T24,T25,T66
StIdle 1 default - - - - - - - - - Covered T4,T16,T24
StIdle 0 - - - - - - - - - 1 Covered T1,T2,T3
StIdle 0 - - - - - - - - - 0 Covered T1,T2,T3
StStatus - - - - - - - - - - - Covered T4,T16,T24
StJedec - - - - - - - - - - - Covered T22,T66,T61
StSfdp - - - - - - - - - - - Covered T22,T24,T108
StReadCmd - - - - - - - - - - - Covered T17,T22,T23
StUpload - - - - - - - - - - - Covered T16,T24,T66
StAddr4B - - - - - - - - - - - Covered T15,T24,T25
StWrEn - - - - - - - - - - - Covered T25,T110,T66
StWait - - - - - - - - - - - Covered T4,T15,T16
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 146878295 117852685 0 0
OnlyOneDatapath_A 146878295 59989 0 0
SelDpKnown_A 146878295 117852685 0 0
StKnown_A 146878295 117852685 0 0


CmdOnlySelDpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 146878295 117852685 0 0
T4 49248 49248 0 0
T5 1348 0 0 0
T7 9072 0 0 0
T10 864 0 0 0
T11 1202 0 0 0
T15 5292 5136 0 0
T16 10336 10336 0 0
T17 14800 14800 0 0
T18 1408 0 0 0
T19 720 0 0 0
T20 0 4112 0 0
T21 0 6176 0 0
T22 0 25040 0 0
T23 0 53564 0 0
T24 0 30714 0 0
T25 0 2432 0 0

OnlyOneDatapath_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 146878295 59989 0 0
T4 49248 8 0 0
T5 1348 0 0 0
T7 9072 0 0 0
T10 864 0 0 0
T11 1202 0 0 0
T15 5292 10 0 0
T16 10336 37 0 0
T17 14800 8 0 0
T18 1408 0 0 0
T19 720 0 0 0
T20 0 2 0 0
T21 0 4 0 0
T22 0 28 0 0
T23 0 11 0 0
T24 0 40 0 0
T25 0 26 0 0

SelDpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 146878295 117852685 0 0
T4 49248 49248 0 0
T5 1348 0 0 0
T7 9072 0 0 0
T10 864 0 0 0
T11 1202 0 0 0
T15 5292 5136 0 0
T16 10336 10336 0 0
T17 14800 14800 0 0
T18 1408 0 0 0
T19 720 0 0 0
T20 0 4112 0 0
T21 0 6176 0 0
T22 0 25040 0 0
T23 0 53564 0 0
T24 0 30714 0 0
T25 0 2432 0 0

StKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 146878295 117852685 0 0
T4 49248 49248 0 0
T5 1348 0 0 0
T7 9072 0 0 0
T10 864 0 0 0
T11 1202 0 0 0
T15 5292 5136 0 0
T16 10336 10336 0 0
T17 14800 14800 0 0
T18 1408 0 0 0
T19 720 0 0 0
T20 0 4112 0 0
T21 0 6176 0 0
T22 0 25040 0 0
T23 0 53564 0 0
T24 0 30714 0 0
T25 0 2432 0 0

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