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Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.21 93.48 90.48 83.33 90.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.21 93.48 90.48 83.33 90.00 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.64 95.65 90.48 83.33 95.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.64 95.65 90.48 83.33 95.00 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.56 95.65 90.48 83.33 95.00 93.33


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.56 95.65 90.48 83.33 95.00 93.33


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.64 95.65 90.48 83.33 95.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.64 95.65 90.48 83.33 95.00 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

Go back
Module Instances:
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T9 T25 T11  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T9 T25 T11  149 1/1 cnt_en = 1'b1; Tests: T9 T25 T11  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T9 T25 T11  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T9 T25 T11  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T9 T25 T11  166 1/1 cnt_clr = 1'b1; Tests: T9 T11 T45  167 1/1 if (trigger_active) begin Tests: T9 T11 T45  168 1/1 state_d = DetectSt; Tests: T9 T45 T51  169 end else begin 170 1/1 state_d = IdleSt; Tests: T11 T46 T212  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T9 T45 T51  182 1/1 cnt_en = 1'b1; Tests: T9 T45 T51  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T9 T45 T51  186 1/1 state_d = IdleSt; Tests: T102  187 1/1 cnt_clr = 1'b1; Tests: T102  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T9 T45 T51  191 1/1 state_d = StableSt; Tests: T9 T45 T51  192 1/1 cnt_clr = 1'b1; Tests: T9 T45 T51  193 1/1 event_detected_o = 1'b1; Tests: T9 T45 T51  194 1/1 event_detected_pulse_o = 1'b1; Tests: T9 T45 T51  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T9 T45 T51  206 1/1 state_d = IdleSt; Tests: T9 T45 T51  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T9 T45 T51  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T25,T11

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT9,T25,T11

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T45,T51

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT9,T25,T11
10CoveredT4,T5,T6
11CoveredT9,T25,T11

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT9,T45,T51
01CoveredT102
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT9,T45,T51
01CoveredT9,T51,T46
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT9,T45,T51
1-CoveredT9,T51,T46

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T9,T25,T11
DetectSt 168 Covered T9,T45,T51
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T9,T45,T51


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T9,T45,T51
DebounceSt->IdleSt 163 Covered T25,T11,T46
DetectSt->IdleSt 186 Covered T102
DetectSt->StableSt 191 Covered T9,T45,T51
IdleSt->DebounceSt 148 Covered T9,T25,T11
StableSt->IdleSt 206 Covered T9,T45,T51



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 20 100.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T9,T25,T11
0 1 Covered T9,T25,T11
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T9,T45,T51
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T9,T25,T11
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T9,T45,T51
DebounceSt - 0 1 0 - - - Covered T11,T46,T212
DebounceSt - 0 0 - - - - Covered T9,T25,T11
DetectSt - - - - 1 - - Covered T102
DetectSt - - - - 0 1 - Covered T9,T45,T51
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T9,T45,T51
StableSt - - - - - - 0 Covered T9,T45,T51
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 52 0 0
CntIncr_A 7758203 158275 0 0
CntNoWrap_A 7758203 7283510 0 0
DetectStDropOut_A 7758203 1 0 0
DetectedOut_A 7758203 16814 0 0
DetectedPulseOut_A 7758203 22 0 0
DisabledIdleSt_A 7758203 6837726 0 0
DisabledNoDetection_A 7758203 6839610 0 0
EnterDebounceSt_A 7758203 29 0 0
EnterDetectSt_A 7758203 23 0 0
EnterStableSt_A 7758203 22 0 0
PulseIsPulse_A 7758203 22 0 0
StayInStableSt 7758203 16784 0 0
gen_high_level_sva.HighLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 13 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 52 0 0
T9 744 2 0 0
T11 0 1 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 2 0 0
T46 0 3 0 0
T47 0 4 0 0
T48 0 2 0 0
T51 0 2 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 2 0 0
T167 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 158275 0 0
T9 744 31 0 0
T11 0 40 0 0
T25 7314 32 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 21 0 0
T46 0 178 0 0
T47 0 64 0 0
T48 0 79 0 0
T51 0 85 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 32 0 0
T167 0 14 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283510 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1 0 0
T102 696 1 0 0
T213 422 0 0 0
T214 493 0 0 0
T215 523 0 0 0
T216 503 0 0 0
T217 506 0 0 0
T218 1630 0 0 0
T219 22156 0 0 0
T220 20117 0 0 0
T221 553 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16814 0 0
T9 744 43 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 6 0 0
T46 0 105 0 0
T47 0 141 0 0
T48 0 44 0 0
T51 0 126 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 42 0 0
T151 0 44 0 0
T167 0 85 0 0
T176 0 42 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 22 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 1 0 0
T151 0 1 0 0
T167 0 1 0 0
T176 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6837726 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6839610 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 29 0 0
T9 744 1 0 0
T11 0 1 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T47 0 2 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 1 0 0
T167 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 23 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 1 0 0
T151 0 1 0 0
T167 0 1 0 0
T176 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 22 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 1 0 0
T151 0 1 0 0
T167 0 1 0 0
T176 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 22 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 1 0 0
T151 0 1 0 0
T167 0 1 0 0
T176 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16784 0 0
T9 744 42 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 5 0 0
T46 0 104 0 0
T47 0 138 0 0
T48 0 43 0 0
T51 0 125 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T149 0 40 0 0
T151 0 43 0 0
T167 0 83 0 0
T176 0 40 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 13 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T151 0 1 0 0
T152 0 1 0 0
T178 0 1 0 0
T181 0 1 0 0
T191 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464393.48
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322990.62
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T25 T49 T45  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T25 T45 T51  149 1/1 cnt_en = 1'b1; Tests: T25 T45 T51  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T25 T45 T51  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T25 T45 T51  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T25 T45 T51  166 1/1 cnt_clr = 1'b1; Tests: T45 T51 T48  167 1/1 if (trigger_active) begin Tests: T45 T51 T48  168 1/1 state_d = DetectSt; Tests: T45 T51 T48  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T45 T51 T48  182 1/1 cnt_en = 1'b1; Tests: T45 T51 T48  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T45 T51 T48  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T45 T51 T48  191 1/1 state_d = StableSt; Tests: T45 T51 T48  192 1/1 cnt_clr = 1'b1; Tests: T45 T51 T48  193 1/1 event_detected_o = 1'b1; Tests: T45 T51 T48  194 1/1 event_detected_pulse_o = 1'b1; Tests: T45 T51 T48  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T45 T51 T48  206 1/1 state_d = IdleSt; Tests: T45 T179 T101  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T45 T51 T48  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT25,T45,T51

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT25,T45,T51

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT45,T51,T48

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T25,T53
10CoveredT4,T5,T6
11CoveredT25,T45,T51

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT45,T51,T48
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT45,T51,T48
01CoveredT179,T101,T153
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT45,T51,T48
1-CoveredT179,T101,T153

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T25,T45,T51
DetectSt 168 Covered T45,T51,T48
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T45,T51,T48


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T45,T51,T48
DebounceSt->IdleSt 163 Covered T25
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T45,T51,T48
IdleSt->DebounceSt 148 Covered T25,T45,T51
StableSt->IdleSt 206 Covered T45,T51,T48



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 20 18 90.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 8 80.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T25,T45,T51
0 1 Covered T25,T45,T51
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T45,T51,T48
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T25,T45,T51
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T45,T51,T48
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T25,T45,T51
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T45,T51,T48
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T45,T179,T101
StableSt - - - - - - 0 Covered T45,T51,T48
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 33 0 0
CntIncr_A 7758203 855 0 0
CntNoWrap_A 7758203 7283529 0 0
DetectStDropOut_A 7758203 0 0 0
DetectedOut_A 7758203 1648 0 0
DetectedPulseOut_A 7758203 16 0 0
DisabledIdleSt_A 7758203 7275700 0 0
DisabledNoDetection_A 7758203 7277588 0 0
EnterDebounceSt_A 7758203 17 0 0
EnterDetectSt_A 7758203 16 0 0
EnterStableSt_A 7758203 16 0 0
PulseIsPulse_A 7758203 16 0 0
StayInStableSt 7758203 1620 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7758203 4933 0 0
gen_low_level_sva.LowLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 3 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 33 0 0
T10 478 0 0 0
T25 7314 1 0 0
T45 0 2 0 0
T48 0 2 0 0
T51 0 2 0 0
T52 0 2 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T101 0 2 0 0
T146 0 2 0 0
T161 0 2 0 0
T165 0 2 0 0
T179 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 855 0 0
T10 478 0 0 0
T25 7314 33 0 0
T45 0 21 0 0
T48 0 79 0 0
T51 0 85 0 0
T52 0 92 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T101 0 20 0 0
T146 0 99 0 0
T161 0 15 0 0
T165 0 24 0 0
T179 0 31 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283529 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1648 0 0
T41 6177 0 0 0
T45 6987 8 0 0
T48 0 401 0 0
T51 8239 52 0 0
T52 0 188 0 0
T78 494 0 0 0
T101 0 11 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 154 0 0
T161 0 139 0 0
T165 0 50 0 0
T179 0 39 0 0
T183 0 41 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T48 0 1 0 0
T51 8239 1 0 0
T52 0 1 0 0
T78 494 0 0 0
T101 0 1 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 1 0 0
T161 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0
T183 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7275700 0 0
T1 786 4 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7277588 0 0
T1 786 4 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 17 0 0
T10 478 0 0 0
T25 7314 1 0 0
T45 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T52 0 1 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T101 0 1 0 0
T146 0 1 0 0
T161 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T48 0 1 0 0
T51 8239 1 0 0
T52 0 1 0 0
T78 494 0 0 0
T101 0 1 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 1 0 0
T161 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0
T183 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T48 0 1 0 0
T51 8239 1 0 0
T52 0 1 0 0
T78 494 0 0 0
T101 0 1 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 1 0 0
T161 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0
T183 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 16 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T48 0 1 0 0
T51 8239 1 0 0
T52 0 1 0 0
T78 494 0 0 0
T101 0 1 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 1 0 0
T161 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0
T183 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1620 0 0
T41 6177 0 0 0
T45 6987 7 0 0
T48 0 399 0 0
T51 8239 50 0 0
T52 0 186 0 0
T78 494 0 0 0
T101 0 10 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 152 0 0
T161 0 137 0 0
T165 0 48 0 0
T179 0 38 0 0
T183 0 39 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 4933 0 0
T1 786 0 0 0
T2 510 1 0 0
T3 2489 0 0 0
T4 425 2 0 0
T5 436 1 0 0
T6 528 4 0 0
T14 430 4 0 0
T15 506 4 0 0
T16 492 7 0 0
T17 407 0 0 0
T19 0 11 0 0
T20 0 2 0 0
T63 0 2 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 3 0 0
T101 0 1 0 0
T146 2803 0 0 0
T153 0 1 0 0
T155 16450 0 0 0
T156 682 0 0 0
T157 418 0 0 0
T179 655 1 0 0
T222 403 0 0 0
T223 502 0 0 0
T224 493 0 0 0
T225 422 0 0 0
T226 2039 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T9 T25 T54  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T9 T25 T54  149 1/1 cnt_en = 1'b1; Tests: T9 T25 T54  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T9 T25 T54  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T9 T25 T54  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T9 T25 T54  166 1/1 cnt_clr = 1'b1; Tests: T9 T54 T49  167 1/1 if (trigger_active) begin Tests: T9 T54 T49  168 1/1 state_d = DetectSt; Tests: T9 T54 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T54  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T9 T54 T49  182 1/1 cnt_en = 1'b1; Tests: T9 T54 T49  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T9 T54 T49  186 1/1 state_d = IdleSt; Tests: T101  187 1/1 cnt_clr = 1'b1; Tests: T101  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T9 T54 T49  191 1/1 state_d = StableSt; Tests: T9 T54 T49  192 1/1 cnt_clr = 1'b1; Tests: T9 T54 T49  193 1/1 event_detected_o = 1'b1; Tests: T9 T54 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T9 T54 T49  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T9 T54 T49  206 1/1 state_d = IdleSt; Tests: T9 T54 T49  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T9 T54 T49  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T25,T54

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT9,T25,T54

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T54,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT9,T25,T54
10CoveredT4,T5,T6
11CoveredT9,T25,T54

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT9,T54,T49
01CoveredT101
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT9,T54,T49
01CoveredT9,T54,T49
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT9,T54,T49
1-CoveredT9,T54,T49

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T9,T25,T54
DetectSt 168 Covered T9,T54,T49
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T9,T54,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T9,T54,T49
DebounceSt->IdleSt 163 Covered T25,T54
DetectSt->IdleSt 186 Covered T101
DetectSt->StableSt 191 Covered T9,T54,T49
IdleSt->DebounceSt 148 Covered T9,T25,T54
StableSt->IdleSt 206 Covered T9,T54,T49



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 20 100.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T9,T25,T54
0 1 Covered T9,T25,T54
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T9,T54,T49
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T9,T25,T54
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T9,T54,T49
DebounceSt - 0 1 0 - - - Covered T54
DebounceSt - 0 0 - - - - Covered T9,T25,T54
DetectSt - - - - 1 - - Covered T101
DetectSt - - - - 0 1 - Covered T9,T54,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T9,T54,T49
StableSt - - - - - - 0 Covered T9,T54,T49
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 78 0 0
CntIncr_A 7758203 87757 0 0
CntNoWrap_A 7758203 7283484 0 0
DetectStDropOut_A 7758203 1 0 0
DetectedOut_A 7758203 60384 0 0
DetectedPulseOut_A 7758203 37 0 0
DisabledIdleSt_A 7758203 6892846 0 0
DisabledNoDetection_A 7758203 6894727 0 0
EnterDebounceSt_A 7758203 40 0 0
EnterDetectSt_A 7758203 38 0 0
EnterStableSt_A 7758203 37 0 0
PulseIsPulse_A 7758203 37 0 0
StayInStableSt 7758203 60331 0 0
gen_high_level_sva.HighLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 20 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 78 0 0
T9 744 4 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 2 0 0
T47 0 4 0 0
T48 0 4 0 0
T49 0 2 0 0
T50 0 2 0 0
T51 0 2 0 0
T54 0 3 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T185 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 87757 0 0
T9 744 62 0 0
T25 7314 33 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 21 0 0
T47 0 64 0 0
T48 0 158 0 0
T49 0 57 0 0
T50 0 53 0 0
T51 0 85 0 0
T54 0 62 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T185 0 48 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283484 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1 0 0
T101 3926 1 0 0
T181 1282 0 0 0
T227 526 0 0 0
T228 1633 0 0 0
T229 421 0 0 0
T230 503 0 0 0
T231 1713 0 0 0
T232 11372 0 0 0
T233 411 0 0 0
T234 423 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 60384 0 0
T9 744 115 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 7 0 0
T47 0 87 0 0
T48 0 218 0 0
T49 0 54 0 0
T50 0 122 0 0
T51 0 40 0 0
T54 0 43 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 85 0 0
T185 0 57 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 37 0 0
T9 744 2 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T47 0 2 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 1 0 0
T185 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6892846 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6894727 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 40 0 0
T9 744 2 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T47 0 2 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 2 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T185 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 38 0 0
T9 744 2 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T47 0 2 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 1 0 0
T185 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 37 0 0
T9 744 2 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T47 0 2 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 1 0 0
T185 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 37 0 0
T9 744 2 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T47 0 2 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 1 0 0
T185 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 60331 0 0
T9 744 112 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 6 0 0
T47 0 84 0 0
T48 0 216 0 0
T49 0 53 0 0
T50 0 121 0 0
T51 0 39 0 0
T54 0 42 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T167 0 83 0 0
T185 0 55 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 20 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T47 0 1 0 0
T48 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T54 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T152 0 1 0 0
T178 0 1 0 0
T190 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T9 T25 T49  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T9 T25 T49  149 1/1 cnt_en = 1'b1; Tests: T9 T25 T49  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T9 T25 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T9 T25 T49  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T9 T25 T49  166 1/1 cnt_clr = 1'b1; Tests: T9 T49 T50  167 1/1 if (trigger_active) begin Tests: T9 T49 T50  168 1/1 state_d = DetectSt; Tests: T9 T49 T50  169 end else begin 170 1/1 state_d = IdleSt; Tests: T46  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T9 T49 T50  182 1/1 cnt_en = 1'b1; Tests: T9 T49 T50  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T9 T49 T50  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T9 T49 T50  191 1/1 state_d = StableSt; Tests: T9 T49 T50  192 1/1 cnt_clr = 1'b1; Tests: T9 T49 T50  193 1/1 event_detected_o = 1'b1; Tests: T9 T49 T50  194 1/1 event_detected_pulse_o = 1'b1; Tests: T9 T49 T50  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T9 T49 T50  206 1/1 state_d = IdleSt; Tests: T9 T45 T126  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T9 T49 T50  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T25,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT9,T25,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT9,T49,T50

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT9,T25,T11
10CoveredT4,T5,T6
11CoveredT9,T25,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT9,T49,T50
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT9,T49,T50
01CoveredT9,T126,T179
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT9,T49,T50
1-CoveredT9,T126,T179

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T9,T25,T49
DetectSt 168 Covered T9,T49,T50
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T9,T49,T50


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T9,T49,T50
DebounceSt->IdleSt 163 Covered T25,T46
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T9,T49,T50
IdleSt->DebounceSt 148 Covered T9,T25,T49
StableSt->IdleSt 206 Covered T9,T49,T45



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T9,T25,T49
0 1 Covered T9,T25,T49
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T9,T49,T50
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T9,T25,T49
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T9,T49,T50
DebounceSt - 0 1 0 - - - Covered T46
DebounceSt - 0 0 - - - - Covered T9,T25,T49
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T9,T49,T50
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T9,T45,T126
StableSt - - - - - - 0 Covered T9,T49,T50
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 48 0 0
CntIncr_A 7758203 1346 0 0
CntNoWrap_A 7758203 7283514 0 0
DetectStDropOut_A 7758203 0 0 0
DetectedOut_A 7758203 1364 0 0
DetectedPulseOut_A 7758203 23 0 0
DisabledIdleSt_A 7758203 7219318 0 0
DisabledNoDetection_A 7758203 7221205 0 0
EnterDebounceSt_A 7758203 25 0 0
EnterDetectSt_A 7758203 23 0 0
EnterStableSt_A 7758203 23 0 0
PulseIsPulse_A 7758203 23 0 0
StayInStableSt 7758203 1326 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7758203 4985 0 0
gen_low_level_sva.LowLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 7 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 48 0 0
T9 744 2 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 2 0 0
T46 0 3 0 0
T49 0 2 0 0
T50 0 2 0 0
T51 0 2 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 4 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T184 0 2 0 0
T190 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1346 0 0
T9 744 31 0 0
T25 7314 34 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 21 0 0
T46 0 178 0 0
T49 0 57 0 0
T50 0 53 0 0
T51 0 85 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 52 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T184 0 17 0 0
T190 0 88 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283514 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1364 0 0
T9 744 7 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 8 0 0
T46 0 87 0 0
T49 0 45 0 0
T50 0 147 0 0
T51 0 137 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 81 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 132 0 0
T184 0 49 0 0
T190 0 43 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 23 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 2 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 1 0 0
T184 0 1 0 0
T190 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7219318 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7221205 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25 0 0
T9 744 1 0 0
T25 7314 1 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 2 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T184 0 1 0 0
T190 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 23 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 2 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 1 0 0
T184 0 1 0 0
T190 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 23 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 2 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 1 0 0
T184 0 1 0 0
T190 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 23 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 2 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 1 0 0
T184 0 1 0 0
T190 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1326 0 0
T9 744 6 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T45 0 7 0 0
T46 0 85 0 0
T49 0 43 0 0
T50 0 145 0 0
T51 0 135 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T126 0 78 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T177 0 130 0 0
T184 0 47 0 0
T190 0 41 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 4985 0 0
T1 786 1 0 0
T2 510 1 0 0
T3 2489 0 0 0
T4 425 2 0 0
T5 436 1 0 0
T6 528 4 0 0
T14 430 2 0 0
T15 506 6 0 0
T16 492 8 0 0
T17 407 0 0 0
T19 0 7 0 0
T20 0 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T101 0 1 0 0
T126 0 1 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T153 0 1 0 0
T165 0 1 0 0
T179 0 1 0 0
T204 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T6 T1  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T6 T1  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T1 T9 T25  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T6 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T6 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T6 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T6 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T6 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T6 T1  139 140 1/1 unique case (state_q) Tests: T4 T6 T1  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T6 T1  148 1/1 state_d = DebounceSt; Tests: T1 T9 T25  149 1/1 cnt_en = 1'b1; Tests: T1 T9 T25  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T1 T9 T25  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T1 T9 T25  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T1 T9 T25  166 1/1 cnt_clr = 1'b1; Tests: T1 T9 T53  167 1/1 if (trigger_active) begin Tests: T1 T9 T53  168 1/1 state_d = DetectSt; Tests: T1 T9 T53  169 end else begin 170 1/1 state_d = IdleSt; Tests: T9 T184 T235  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T1 T9 T53  182 1/1 cnt_en = 1'b1; Tests: T1 T9 T53  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T1 T9 T53  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T1 T9 T53  191 1/1 state_d = StableSt; Tests: T1 T9 T53  192 1/1 cnt_clr = 1'b1; Tests: T1 T9 T53  193 1/1 event_detected_o = 1'b1; Tests: T1 T9 T53  194 1/1 event_detected_pulse_o = 1'b1; Tests: T1 T9 T53  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T1 T9 T53  206 1/1 state_d = IdleSt; Tests: T9 T45 T46  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T1 T9 T53  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T6,T1

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T6,T1
11CoveredT4,T6,T1

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T9,T25

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT1,T9,T25

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T9,T53

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T9,T25
10CoveredT4,T6,T14
11CoveredT1,T9,T25

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT1,T9,T53
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT1,T9,T53
01CoveredT9,T46,T55
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT1,T9,T53
1-CoveredT9,T46,T55

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T1,T9,T25
DetectSt 168 Covered T1,T9,T53
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T1,T9,T53


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T1,T9,T53
DebounceSt->IdleSt 163 Covered T9,T25,T184
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T1,T9,T53
IdleSt->DebounceSt 148 Covered T1,T9,T25
StableSt->IdleSt 206 Covered T9,T45,T51



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T1,T9,T25
0 1 Covered T1,T9,T25
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T9,T53
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T1,T9,T25
IdleSt 0 - - - - - - Covered T4,T6,T1
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T1,T9,T53
DebounceSt - 0 1 0 - - - Covered T9,T184,T235
DebounceSt - 0 0 - - - - Covered T1,T9,T25
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T1,T9,T53
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T9,T45,T46
StableSt - - - - - - 0 Covered T1,T9,T53
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 14 93.33
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 14 93.33




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 66 0 0
CntIncr_A 7758203 25211 0 0
CntNoWrap_A 7758203 7283496 0 0
DetectStDropOut_A 7758203 0 0 0
DetectedOut_A 7758203 48919 0 0
DetectedPulseOut_A 7758203 31 0 0
DisabledIdleSt_A 7758203 7110668 0 0
DisabledNoDetection_A 7758203 7112553 0 0
EnterDebounceSt_A 7758203 35 0 0
EnterDetectSt_A 7758203 31 0 0
EnterStableSt_A 7758203 31 0 0
PulseIsPulse_A 7758203 31 0 0
StayInStableSt 7758203 48872 0 0
gen_high_level_sva.HighLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 14 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 66 0 0
T1 786 2 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 5 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T25 0 1 0 0
T45 0 2 0 0
T46 0 4 0 0
T51 0 2 0 0
T53 0 2 0 0
T55 0 2 0 0
T149 0 2 0 0
T205 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25211 0 0
T1 786 53 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 93 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T25 0 33 0 0
T45 0 21 0 0
T46 0 178 0 0
T51 0 85 0 0
T53 0 58 0 0
T55 0 57 0 0
T149 0 32 0 0
T205 0 88 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283496 0 0
T1 786 383 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 48919 0 0
T1 786 233 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 54 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 7 0 0
T46 0 85 0 0
T51 0 52 0 0
T53 0 118 0 0
T55 0 159 0 0
T149 0 41 0 0
T184 0 4 0 0
T205 0 38 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 31 0 0
T1 786 1 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 2 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T51 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T149 0 1 0 0
T184 0 1 0 0
T205 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7110668 0 0
T1 786 4 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7112553 0 0
T1 786 4 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 35 0 0
T1 786 1 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 3 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T25 0 1 0 0
T45 0 1 0 0
T46 0 2 0 0
T51 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T149 0 1 0 0
T205 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 31 0 0
T1 786 1 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 2 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T51 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T149 0 1 0 0
T184 0 1 0 0
T205 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 31 0 0
T1 786 1 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 2 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T51 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T149 0 1 0 0
T184 0 1 0 0
T205 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 31 0 0
T1 786 1 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 2 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T51 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T149 0 1 0 0
T184 0 1 0 0
T205 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 48872 0 0
T1 786 231 0 0
T2 510 0 0 0
T3 2489 0 0 0
T9 0 51 0 0
T14 430 0 0 0
T15 506 0 0 0
T16 492 0 0 0
T17 407 0 0 0
T18 614 0 0 0
T19 496 0 0 0
T20 422 0 0 0
T45 0 6 0 0
T46 0 83 0 0
T51 0 50 0 0
T53 0 116 0 0
T55 0 158 0 0
T149 0 39 0 0
T184 0 3 0 0
T205 0 36 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 14 0 0
T9 744 1 0 0
T25 7314 0 0 0
T26 1308 0 0 0
T29 646 0 0 0
T46 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T70 1774 0 0 0
T80 513 0 0 0
T90 447 0 0 0
T143 426 0 0 0
T144 4442 0 0 0
T145 402 0 0 0
T165 0 1 0 0
T167 0 1 0 0
T178 0 1 0 0
T182 0 1 0 0
T183 0 2 0 0
T184 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T6 T1  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T25 T45 T46  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T25 T45 T46  149 1/1 cnt_en = 1'b1; Tests: T25 T45 T46  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T25 T45 T46  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T25 T45 T46  163 1/1 state_d = IdleSt; Tests: T25  164 1/1 cnt_clr = 1'b1; Tests: T25  165 1/1 end else if (cnt_done) begin Tests: T25 T45 T46  166 1/1 cnt_clr = 1'b1; Tests: T45 T46 T47  167 1/1 if (trigger_active) begin Tests: T45 T46 T47  168 1/1 state_d = DetectSt; Tests: T45 T46 T47  169 end else begin 170 1/1 state_d = IdleSt; Tests: T46  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T45 T46 T47  182 1/1 cnt_en = 1'b1; Tests: T45 T46 T47  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T45 T46 T47  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T45 T46 T47  191 1/1 state_d = StableSt; Tests: T45 T46 T47  192 1/1 cnt_clr = 1'b1; Tests: T45 T46 T47  193 1/1 event_detected_o = 1'b1; Tests: T45 T46 T47  194 1/1 event_detected_pulse_o = 1'b1; Tests: T45 T46 T47  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T45 T46 T47  206 1/1 state_d = IdleSt; Tests: T45 T48 T184  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T45 T46 T47  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T6,T1
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T6,T1
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT25,T45,T46

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT25,T45,T46

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT45,T46,T47

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T25,T53
10CoveredT4,T6,T14
11CoveredT25,T45,T46

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT45,T46,T47
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT45,T46,T47
01CoveredT48,T184,T52
10CoveredT45

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT45,T46,T47
1-CoveredT48,T184,T52

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T25,T45,T46
DetectSt 168 Covered T45,T46,T47
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T45,T46,T47


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T45,T46,T47
DebounceSt->IdleSt 163 Covered T25,T46
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T45,T46,T47
IdleSt->DebounceSt 148 Covered T25,T45,T46
StableSt->IdleSt 206 Covered T45,T48,T184



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


92 assign cnt_d = (cnt_clr) ? '0 : -1- ==> 93 (cnt_en) ? cnt_q + 1'b1 : -2- ==> ==> (Excluded)

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T25,T45,T46
0 1 Covered T25,T45,T46
0 0 Excluded T4,T5,T6 VC_COV_UNR


99 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T45,T46,T47
0 Covered T4,T5,T6


104 if (!rst_ni) begin -1- 105 cnt_q <= '0; ==> 106 end else begin 107 cnt_q <= cnt_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


140 unique case (state_q) -1- 141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 if (trigger_event && cfg_enable_i) begin -2- 148 state_d = DebounceSt; ==> 149 cnt_en = 1'b1; 150 end MISSING_ELSE ==> 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 cnt_en = 1'b1; 161 // Unconditionally go back to idle if the detector is disabled. 162 if (!cfg_enable_i) begin -3- 163 state_d = IdleSt; ==> 164 cnt_clr = 1'b1; 165 end else if (cnt_done) begin -4- 166 cnt_clr = 1'b1; 167 if (trigger_active) begin -5- 168 state_d = DetectSt; ==> 169 end else begin 170 state_d = IdleSt; ==> 171 end 172 end MISSING_ELSE ==> 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 thresh_sel = 1'b1; 182 cnt_en = 1'b1; 183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 if (!cfg_enable_i || !trigger_active) begin -6- 186 state_d = IdleSt; ==> 187 cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 if (cnt_done) begin -7- 191 state_d = StableSt; ==> 192 cnt_clr = 1'b1; 193 event_detected_o = 1'b1; 194 event_detected_pulse_o = 1'b1; 195 end MISSING_ELSE ==> (Excluded) Exclude Annotation: VC_COV_UNR 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin -8- 206 state_d = IdleSt; ==> 207 // Otherwise keep the event detected output signal high. 208 end else begin 209 event_detected_o = 1'b1; ==> 210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; ==> (Excluded) Exclude Annotation: VC_COV_UNR

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T25,T45,T46
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T25
DebounceSt - 0 1 1 - - - Covered T45,T46,T47
DebounceSt - 0 1 0 - - - Covered T46
DebounceSt - 0 0 - - - - Covered T25,T45,T46
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T45,T46,T47
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T45,T48,T184
StableSt - - - - - - 0 Covered T45,T46,T47
default - - - - - - - Excluded VC_COV_UNR


219 if (!rst_ni) begin -1- 220 state_q <= IdleSt; ==> 221 end else begin 222 state_q <= state_d; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


69 if (!rst_ni) begin -1- 70 trigger_active_q <= 1'b0; ==> 71 end else begin 72 trigger_active_q <= trigger_active; ==>

Branches:
-1-StatusTests
1 Covered T4,T5,T6
0 Covered T4,T5,T6


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 7758203 52 0 0
CntIncr_A 7758203 18267 0 0
CntNoWrap_A 7758203 7283510 0 0
DetectStDropOut_A 7758203 0 0 0
DetectedOut_A 7758203 1464 0 0
DetectedPulseOut_A 7758203 25 0 0
DisabledIdleSt_A 7758203 6997639 0 0
DisabledNoDetection_A 7758203 6999520 0 0
EnterDebounceSt_A 7758203 27 0 0
EnterDetectSt_A 7758203 25 0 0
EnterStableSt_A 7758203 25 0 0
PulseIsPulse_A 7758203 25 0 0
StayInStableSt 7758203 1424 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7758203 5501 0 0
gen_low_level_sva.LowLevelEvent_A 7758203 7285475 0 0
gen_not_sticky_sva.StableStDropOut_A 7758203 9 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 52 0 0
T10 478 0 0 0
T25 7314 1 0 0
T45 0 2 0 0
T46 0 3 0 0
T47 0 2 0 0
T48 0 4 0 0
T52 0 2 0 0
T55 0 2 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T167 0 2 0 0
T177 0 2 0 0
T184 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 18267 0 0
T10 478 0 0 0
T25 7314 32 0 0
T45 0 21 0 0
T46 0 178 0 0
T47 0 32 0 0
T48 0 158 0 0
T52 0 92 0 0
T55 0 57 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T167 0 14 0 0
T177 0 90 0 0
T184 0 34 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7283510 0 0
T1 786 385 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1464 0 0
T41 6177 0 0 0
T45 6987 8 0 0
T46 0 88 0 0
T47 0 44 0 0
T48 0 66 0 0
T51 8239 0 0 0
T52 0 56 0 0
T55 0 40 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 84 0 0
T167 0 70 0 0
T177 0 38 0 0
T184 0 172 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T51 8239 0 0 0
T52 0 1 0 0
T55 0 1 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 2 0 0
T167 0 1 0 0
T177 0 1 0 0
T184 0 2 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6997639 0 0
T1 786 4 0 0
T2 510 109 0 0
T3 2489 2088 0 0
T4 425 24 0 0
T5 436 35 0 0
T6 528 127 0 0
T14 430 29 0 0
T15 506 105 0 0
T16 492 91 0 0
T17 407 6 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 6999520 0 0
T1 786 4 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 27 0 0
T10 478 0 0 0
T25 7314 1 0 0
T45 0 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 462 0 0 0
T59 639 0 0 0
T74 495 0 0 0
T75 491 0 0 0
T80 513 0 0 0
T81 524 0 0 0
T90 447 0 0 0
T91 4402 0 0 0
T167 0 1 0 0
T177 0 1 0 0
T184 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T51 8239 0 0 0
T52 0 1 0 0
T55 0 1 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 2 0 0
T167 0 1 0 0
T177 0 1 0 0
T184 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T51 8239 0 0 0
T52 0 1 0 0
T55 0 1 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 2 0 0
T167 0 1 0 0
T177 0 1 0 0
T184 0 2 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 25 0 0
T41 6177 0 0 0
T45 6987 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T51 8239 0 0 0
T52 0 1 0 0
T55 0 1 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 2 0 0
T167 0 1 0 0
T177 0 1 0 0
T184 0 2 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 1424 0 0
T41 6177 0 0 0
T45 6987 7 0 0
T46 0 86 0 0
T47 0 42 0 0
T48 0 63 0 0
T51 8239 0 0 0
T52 0 55 0 0
T55 0 38 0 0
T78 494 0 0 0
T114 1908 0 0 0
T115 408 0 0 0
T116 421 0 0 0
T117 504 0 0 0
T118 526 0 0 0
T119 448 0 0 0
T146 0 81 0 0
T167 0 68 0 0
T177 0 36 0 0
T184 0 169 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 5501 0 0
T1 786 0 0 0
T2 510 0 0 0
T3 2489 11 0 0
T4 425 3 0 0
T5 436 0 0 0
T6 528 5 0 0
T14 430 4 0 0
T15 506 4 0 0
T16 492 8 0 0
T17 407 0 0 0
T19 0 7 0 0
T20 0 3 0 0
T28 0 3 0 0
T63 0 1 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 7285475 0 0
T1 786 386 0 0
T2 510 110 0 0
T3 2489 2089 0 0
T4 425 25 0 0
T5 436 36 0 0
T6 528 128 0 0
T14 430 30 0 0
T15 506 106 0 0
T16 492 92 0 0
T17 407 7 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7758203 9 0 0
T48 310313 1 0 0
T52 0 1 0 0
T146 0 1 0 0
T165 0 1 0 0
T181 0 1 0 0
T183 0 1 0 0
T184 0 1 0 0
T211 0 1 0 0
T236 0 1 0 0
T237 500 0 0 0
T238 522 0 0 0
T239 3915 0 0 0
T240 7904 0 0 0
T241 1549 0 0 0
T242 538 0 0 0
T243 413 0 0 0
T244 422 0 0 0
T245 402 0 0 0

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