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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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
97.18 95.65 95.24 100.00 95.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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
89.77 91.30 90.48 83.33 90.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.77 91.30 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[6].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.77 91.30 90.48 83.33 90.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.77 91.30 90.48 83.33 90.00 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
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 T5 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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 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: T3 T6 T8  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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T1  139 140 1/1 unique case (state_q) Tests: T4 T5 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 T5 T1  148 1/1 state_d = DebounceSt; Tests: T3 T6 T8  149 1/1 cnt_en = 1'b1; Tests: T3 T6 T8  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: T3 T6 T8  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T6 T8  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T6 T8  166 1/1 cnt_clr = 1'b1; Tests: T3 T6 T8  167 1/1 if (trigger_active) begin Tests: T3 T6 T8  168 1/1 state_d = DetectSt; Tests: T3 T6 T8  169 end else begin 170 1/1 state_d = IdleSt; Tests: T48 T47 T204  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: T3 T6 T8  182 1/1 cnt_en = 1'b1; Tests: T3 T6 T8  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: T3 T6 T8  186 1/1 state_d = IdleSt; Tests: T47 T181  187 1/1 cnt_clr = 1'b1; Tests: T47 T181  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T6 T8  191 1/1 state_d = StableSt; Tests: T3 T6 T8  192 1/1 cnt_clr = 1'b1; Tests: T3 T6 T8  193 1/1 event_detected_o = 1'b1; Tests: T3 T6 T8  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T6 T8  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: T3 T6 T8  206 1/1 state_d = IdleSt; Tests: T3 T6 T11  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T6 T8  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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

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,T1
1CoveredT4,T5,T1

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T6,T8

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT3,T6,T8

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T6,T8

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T6,T8
10CoveredT4,T5,T1
11CoveredT3,T6,T8

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T6,T8
01CoveredT47,T181
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T6,T8
01CoveredT3,T6,T46
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T6,T8
1-CoveredT3,T6,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 T3,T6,T8
DetectSt 168 Covered T3,T6,T8
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T3,T6,T8


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T6,T8
DebounceSt->IdleSt 163 Covered T48,T47,T204
DetectSt->IdleSt 186 Covered T47,T181
DetectSt->StableSt 191 Covered T3,T6,T8
IdleSt->DebounceSt 148 Covered T3,T6,T8
StableSt->IdleSt 206 Covered T3,T6,T11



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].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 T3,T6,T8
0 1 Covered T3,T6,T8
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T3,T6,T8
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T3,T6,T8
IdleSt 0 - - - - - - Covered T4,T5,T1
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T6,T8
DebounceSt - 0 1 0 - - - Covered T48,T47,T204
DebounceSt - 0 0 - - - - Covered T3,T6,T8
DetectSt - - - - 1 - - Covered T47,T181
DetectSt - - - - 0 1 - Covered T3,T6,T8
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T6,T11
StableSt - - - - - - 0 Covered T3,T6,T8
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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 6968781 104 0 0
CntIncr_A 6968781 22454 0 0
CntNoWrap_A 6968781 6510193 0 0
DetectStDropOut_A 6968781 2 0 0
DetectedOut_A 6968781 4289 0 0
DetectedPulseOut_A 6968781 47 0 0
DisabledIdleSt_A 6968781 6452885 0 0
DisabledNoDetection_A 6968781 6454678 0 0
EnterDebounceSt_A 6968781 55 0 0
EnterDetectSt_A 6968781 49 0 0
EnterStableSt_A 6968781 47 0 0
PulseIsPulse_A 6968781 47 0 0
StayInStableSt 6968781 4223 0 0
gen_high_level_sva.HighLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 26 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 104 0 0
T3 813 4 0 0
T6 848 2 0 0
T7 480 0 0 0
T8 548 2 0 0
T11 0 2 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 2 0 0
T46 0 2 0 0
T47 0 5 0 0
T48 0 3 0 0
T49 0 2 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 22454 0 0
T3 813 84 0 0
T6 848 83 0 0
T7 480 0 0 0
T8 548 94 0 0
T11 0 19 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 26 0 0
T46 0 46 0 0
T47 0 90 0 0
T48 0 60 0 0
T49 0 70 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 98 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510193 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 2 0 0
T31 8960 0 0 0
T47 712 1 0 0
T135 717 0 0 0
T168 630 0 0 0
T181 0 1 0 0
T216 872 0 0 0
T217 501 0 0 0
T218 405 0 0 0
T219 917 0 0 0
T220 494 0 0 0
T221 418 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 4289 0 0
T3 813 65 0 0
T6 848 227 0 0
T7 480 0 0 0
T8 548 44 0 0
T11 0 14 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 9 0 0
T46 0 6 0 0
T47 0 14 0 0
T48 0 18 0 0
T49 0 50 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 40 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 47 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6452885 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6454678 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 55 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T48 0 2 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 49 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 47 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 47 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 4223 0 0
T3 813 63 0 0
T6 848 226 0 0
T7 480 0 0 0
T8 548 42 0 0
T11 0 13 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 8 0 0
T46 0 5 0 0
T47 0 13 0 0
T48 0 17 0 0
T49 0 49 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T194 0 38 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 26 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T166 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T189 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
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 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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 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: T3 T6 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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T1  139 140 1/1 unique case (state_q) Tests: T4 T5 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 T5 T1  148 1/1 state_d = DebounceSt; Tests: T3 T6 T11  149 1/1 cnt_en = 1'b1; Tests: T3 T6 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: T3 T6 T11  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T6 T11  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T6 T11  166 1/1 cnt_clr = 1'b1; Tests: T3 T6 T11  167 1/1 if (trigger_active) begin Tests: T3 T6 T11  168 1/1 state_d = DetectSt; Tests: T3 T6 T11  169 end else begin 170 1/1 state_d = IdleSt; Tests: T201  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: T3 T6 T11  182 1/1 cnt_en = 1'b1; Tests: T3 T6 T11  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: T3 T6 T11  186 1/1 state_d = IdleSt; Tests: T222  187 1/1 cnt_clr = 1'b1; Tests: T222  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T6 T11  191 1/1 state_d = StableSt; Tests: T3 T6 T11  192 1/1 cnt_clr = 1'b1; Tests: T3 T6 T11  193 1/1 event_detected_o = 1'b1; Tests: T3 T6 T11  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T6 T11  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: T3 T6 T11  206 1/1 state_d = IdleSt; Tests: T3 T11 T30  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T6 T11  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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T6,T11

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT3,T6,T11

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T6,T11

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T6,T11
10CoveredT4,T5,T1
11CoveredT3,T6,T11

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T6,T11
01CoveredT222
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T6,T11
01CoveredT3,T47,T167
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T6,T11
1-CoveredT3,T47,T167

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 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T3,T6,T11
DetectSt 168 Covered T3,T6,T11
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T3,T6,T11


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T6,T11
DebounceSt->IdleSt 163 Covered T201
DetectSt->IdleSt 186 Covered T222
DetectSt->StableSt 191 Covered T3,T6,T11
IdleSt->DebounceSt 148 Covered T3,T6,T11
StableSt->IdleSt 206 Covered T3,T11,T30



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].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 T3,T6,T11
0 1 Covered T3,T6,T11
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T3,T6,T11
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T3,T6,T11
IdleSt 0 - - - - - - Covered T4,T5,T1
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T6,T11
DebounceSt - 0 1 0 - - - Covered T201
DebounceSt - 0 0 - - - - Covered T3,T6,T11
DetectSt - - - - 1 - - Covered T222
DetectSt - - - - 0 1 - Covered T3,T6,T11
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T11,T30
StableSt - - - - - - 0 Covered T3,T6,T11
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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6968781 59 0 0
CntIncr_A 6968781 120191 0 0
CntNoWrap_A 6968781 6510238 0 0
DetectStDropOut_A 6968781 1 0 0
DetectedOut_A 6968781 10216 0 0
DetectedPulseOut_A 6968781 28 0 0
DisabledIdleSt_A 6968781 6170613 0 0
DisabledNoDetection_A 6968781 6172410 0 0
EnterDebounceSt_A 6968781 30 0 0
EnterDetectSt_A 6968781 29 0 0
EnterStableSt_A 6968781 28 0 0
PulseIsPulse_A 6968781 28 0 0
StayInStableSt 6968781 10172 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6968781 4867 0 0
gen_low_level_sva.LowLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 10 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 59 0 0
T3 813 4 0 0
T6 848 2 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 2 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 2 0 0
T46 0 2 0 0
T47 0 6 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 4 0 0
T169 0 2 0 0
T203 0 2 0 0
T210 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 120191 0 0
T3 813 84 0 0
T6 848 83 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 19 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 26 0 0
T46 0 46 0 0
T47 0 90 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 166 0 0
T169 0 50 0 0
T203 0 52 0 0
T210 0 190 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510238 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 1 0 0
T222 565 1 0 0
T223 499 0 0 0
T224 711 0 0 0
T225 534 0 0 0
T226 506 0 0 0
T227 6940 0 0 0
T228 421 0 0 0
T229 9519 0 0 0
T230 404 0 0 0
T231 879 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 10216 0 0
T3 813 167 0 0
T6 848 45 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 15 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 8 0 0
T46 0 53 0 0
T47 0 121 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 86 0 0
T169 0 182 0 0
T203 0 47 0 0
T210 0 87 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 28 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T169 0 1 0 0
T203 0 1 0 0
T210 0 2 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6170613 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6172410 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 30 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T169 0 1 0 0
T203 0 1 0 0
T210 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 29 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T169 0 1 0 0
T203 0 1 0 0
T210 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 28 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T169 0 1 0 0
T203 0 1 0 0
T210 0 2 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 28 0 0
T3 813 2 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 3 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T169 0 1 0 0
T203 0 1 0 0
T210 0 2 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 10172 0 0
T3 813 164 0 0
T6 848 43 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 14 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 7 0 0
T46 0 51 0 0
T47 0 117 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 83 0 0
T169 0 180 0 0
T203 0 45 0 0
T210 0 84 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 4867 0 0
T1 522 1 0 0
T2 2225 0 0 0
T3 0 2 0 0
T4 496 8 0 0
T5 423 3 0 0
T13 499 11 0 0
T14 405 0 0 0
T15 652 0 0 0
T16 408 0 0 0
T17 524 4 0 0
T18 446 1 0 0
T19 0 5 0 0
T20 0 2 0 0
T27 0 4 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 10 0 0
T3 813 1 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T47 0 2 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T171 0 1 0 0
T176 0 1 0 0
T204 0 1 0 0
T205 0 1 0 0
T210 0 1 0 0
T232 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].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 T5 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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 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: T11 T50 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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T1  139 140 1/1 unique case (state_q) Tests: T4 T5 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 T5 T1  148 1/1 state_d = DebounceSt; Tests: T11 T50 T49  149 1/1 cnt_en = 1'b1; Tests: T11 T50 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: T11 T50 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T11 T50 T49  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T11 T50 T49  166 1/1 cnt_clr = 1'b1; Tests: T11 T50 T49  167 1/1 if (trigger_active) begin Tests: T11 T50 T49  168 1/1 state_d = DetectSt; Tests: T11 T50 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T47 T166  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: T11 T50 T49  182 1/1 cnt_en = 1'b1; Tests: T11 T50 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: T11 T50 T49  186 1/1 state_d = IdleSt; Tests: T175 T233  187 1/1 cnt_clr = 1'b1; Tests: T175 T233  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T11 T50 T49  191 1/1 state_d = StableSt; Tests: T11 T50 T49  192 1/1 cnt_clr = 1'b1; Tests: T11 T50 T49  193 1/1 event_detected_o = 1'b1; Tests: T11 T50 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T11 T50 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: T11 T50 T49  206 1/1 state_d = IdleSt; Tests: T11 T30 T48  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T11 T50 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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

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,T1
1CoveredT4,T5,T1

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT11,T50,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT11,T50,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT11,T50,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT11,T50,T49
10CoveredT4,T5,T1
11CoveredT11,T50,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT11,T50,T49
01CoveredT175,T233
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT11,T50,T49
01CoveredT48,T194,T182
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT11,T50,T49
1-CoveredT48,T194,T182

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 T11,T50,T49
DetectSt 168 Covered T11,T50,T49
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T11,T50,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T11,T50,T49
DebounceSt->IdleSt 163 Covered T47,T166
DetectSt->IdleSt 186 Covered T175,T233
DetectSt->StableSt 191 Covered T11,T50,T49
IdleSt->DebounceSt 148 Covered T11,T50,T49
StableSt->IdleSt 206 Covered T11,T30,T48



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].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 T11,T50,T49
0 1 Covered T11,T50,T49
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T11,T50,T49
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T11,T50,T49
IdleSt 0 - - - - - - Covered T4,T5,T1
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T11,T50,T49
DebounceSt - 0 1 0 - - - Covered T47,T166
DebounceSt - 0 0 - - - - Covered T11,T50,T49
DetectSt - - - - 1 - - Covered T175,T233
DetectSt - - - - 0 1 - Covered T11,T50,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T11,T30,T48
StableSt - - - - - - 0 Covered T11,T50,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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 6968781 78 0 0
CntIncr_A 6968781 56141 0 0
CntNoWrap_A 6968781 6510219 0 0
DetectStDropOut_A 6968781 2 0 0
DetectedOut_A 6968781 61729 0 0
DetectedPulseOut_A 6968781 36 0 0
DisabledIdleSt_A 6968781 6301300 0 0
DisabledNoDetection_A 6968781 6303098 0 0
EnterDebounceSt_A 6968781 40 0 0
EnterDetectSt_A 6968781 38 0 0
EnterStableSt_A 6968781 36 0 0
PulseIsPulse_A 6968781 36 0 0
StayInStableSt 6968781 61677 0 0
gen_high_level_sva.HighLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 18 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 78 0 0
T11 7404 2 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 2 0 0
T47 0 3 0 0
T48 0 2 0 0
T49 0 2 0 0
T50 0 2 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 2 0 0
T167 0 4 0 0
T182 0 2 0 0
T194 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 56141 0 0
T11 7404 19 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 26 0 0
T47 0 60 0 0
T48 0 30 0 0
T49 0 70 0 0
T50 0 98 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 90 0 0
T167 0 166 0 0
T182 0 30 0 0
T194 0 98 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510219 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 2 0 0
T175 761 1 0 0
T191 2757 0 0 0
T233 0 1 0 0
T234 14950 0 0 0
T235 522 0 0 0
T236 424 0 0 0
T237 497 0 0 0
T238 1510 0 0 0
T239 2171 0 0 0
T240 1028 0 0 0
T241 645 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 61729 0 0
T11 7404 14 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 10 0 0
T47 0 40 0 0
T48 0 91 0 0
T49 0 169 0 0
T50 0 40 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 93 0 0
T167 0 342 0 0
T182 0 92 0 0
T194 0 59 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 36 0 0
T11 7404 1 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T194 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6301300 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6303098 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 40 0 0
T11 7404 1 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T194 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 38 0 0
T11 7404 1 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T194 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 36 0 0
T11 7404 1 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T194 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 36 0 0
T11 7404 1 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T49 0 1 0 0
T50 0 1 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 1 0 0
T167 0 2 0 0
T182 0 1 0 0
T194 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 61677 0 0
T11 7404 13 0 0
T12 658 0 0 0
T28 634 0 0 0
T30 0 9 0 0
T47 0 38 0 0
T48 0 90 0 0
T49 0 167 0 0
T50 0 38 0 0
T51 3934 0 0 0
T52 780 0 0 0
T53 487 0 0 0
T54 443 0 0 0
T63 502 0 0 0
T64 496 0 0 0
T88 1867 0 0 0
T159 0 91 0 0
T167 0 339 0 0
T182 0 91 0 0
T194 0 58 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 18 0 0
T48 3509 1 0 0
T167 0 1 0 0
T170 0 1 0 0
T173 0 1 0 0
T182 0 1 0 0
T186 0 2 0 0
T194 705 1 0 0
T215 0 1 0 0
T242 0 1 0 0
T243 0 1 0 0
T244 548 0 0 0
T245 507 0 0 0
T246 424 0 0 0
T247 566 0 0 0
T248 1341 0 0 0
T249 491 0 0 0
T250 751 0 0 0
T251 402 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464291.30
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
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 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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 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: T3 T6 T8  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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T1  139 140 1/1 unique case (state_q) Tests: T4 T5 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 T5 T1  148 1/1 state_d = DebounceSt; Tests: T3 T6 T8  149 1/1 cnt_en = 1'b1; Tests: T3 T6 T8  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: T3 T6 T8  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T6 T8  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T6 T8  166 1/1 cnt_clr = 1'b1; Tests: T3 T6 T8  167 1/1 if (trigger_active) begin Tests: T3 T6 T8  168 1/1 state_d = DetectSt; Tests: T6 T8 T11  169 end else begin 170 1/1 state_d = IdleSt; Tests: T3 T243  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: T6 T8 T11  182 1/1 cnt_en = 1'b1; Tests: T6 T8 T11  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: T6 T8 T11  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: T6 T8 T11  191 1/1 state_d = StableSt; Tests: T6 T8 T11  192 1/1 cnt_clr = 1'b1; Tests: T6 T8 T11  193 1/1 event_detected_o = 1'b1; Tests: T6 T8 T11  194 1/1 event_detected_pulse_o = 1'b1; Tests: T6 T8 T11  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: T6 T8 T11  206 1/1 state_d = IdleSt; Tests: T11 T30 T47  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T6 T8 T11  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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

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,T1
1CoveredT4,T5,T1

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T6,T8

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT3,T6,T8

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT6,T8,T11

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T6,T8
10CoveredT4,T5,T1
11CoveredT3,T6,T8

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT6,T8,T11
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT6,T8,T11
01CoveredT47,T189,T190
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT6,T8,T11
1-CoveredT47,T189,T190

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 T3,T6,T8
DetectSt 168 Covered T6,T8,T11
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T6,T8,T11


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T6,T8,T11
DebounceSt->IdleSt 163 Covered T3,T243
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T6,T8,T11
IdleSt->DebounceSt 148 Covered T3,T6,T8
StableSt->IdleSt 206 Covered T11,T51,T30



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].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 T3,T6,T8
0 1 Covered T3,T6,T8
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T6,T8,T11
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T3,T6,T8
IdleSt 0 - - - - - - Covered T4,T5,T1
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T6,T8,T11
DebounceSt - 0 1 0 - - - Covered T3,T243
DebounceSt - 0 0 - - - - Covered T3,T6,T8
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T6,T8,T11
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T11,T30,T47
StableSt - - - - - - 0 Covered T6,T8,T11
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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 6968781 60 0 0
CntIncr_A 6968781 61084 0 0
CntNoWrap_A 6968781 6510237 0 0
DetectStDropOut_A 6968781 0 0 0
DetectedOut_A 6968781 71284 0 0
DetectedPulseOut_A 6968781 29 0 0
DisabledIdleSt_A 6968781 6178740 0 0
DisabledNoDetection_A 6968781 6180530 0 0
EnterDebounceSt_A 6968781 31 0 0
EnterDetectSt_A 6968781 29 0 0
EnterStableSt_A 6968781 29 0 0
PulseIsPulse_A 6968781 29 0 0
StayInStableSt 6968781 71240 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6968781 4785 0 0
gen_low_level_sva.LowLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 12 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 60 0 0
T3 813 1 0 0
T6 848 2 0 0
T7 480 0 0 0
T8 548 2 0 0
T11 0 2 0 0
T12 0 2 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 2 0 0
T46 0 2 0 0
T47 0 2 0 0
T48 0 2 0 0
T51 0 2 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 61084 0 0
T3 813 42 0 0
T6 848 83 0 0
T7 480 0 0 0
T8 548 94 0 0
T11 0 19 0 0
T12 0 20 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 26 0 0
T46 0 46 0 0
T47 0 30 0 0
T48 0 30 0 0
T51 0 26 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510237 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 71284 0 0
T6 848 46 0 0
T7 480 0 0 0
T8 548 42 0 0
T9 2031 0 0 0
T11 0 16 0 0
T12 0 43 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 9 0 0
T46 0 192 0 0
T47 0 71 0 0
T48 0 143 0 0
T51 0 45 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 40 0 0
T202 409 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 29 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T9 2031 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 1 0 0
T202 409 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6178740 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6180530 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 31 0 0
T3 813 1 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 29 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T9 2031 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 1 0 0
T202 409 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 29 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T9 2031 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 1 0 0
T202 409 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 29 0 0
T6 848 1 0 0
T7 480 0 0 0
T8 548 1 0 0
T9 2031 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T46 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T51 0 1 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 1 0 0
T202 409 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 71240 0 0
T6 848 44 0 0
T7 480 0 0 0
T8 548 40 0 0
T9 2031 0 0 0
T11 0 15 0 0
T12 0 41 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 8 0 0
T46 0 190 0 0
T47 0 70 0 0
T48 0 141 0 0
T51 0 43 0 0
T66 620 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T169 0 38 0 0
T202 409 0 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 4785 0 0
T1 522 1 0 0
T2 2225 0 0 0
T3 0 1 0 0
T4 496 10 0 0
T5 423 1 0 0
T13 499 10 0 0
T14 405 0 0 0
T15 652 0 0 0
T16 408 0 0 0
T17 524 4 0 0
T18 446 1 0 0
T19 0 3 0 0
T20 0 2 0 0
T27 0 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 12 0 0
T31 8960 0 0 0
T47 712 1 0 0
T101 0 1 0 0
T135 717 0 0 0
T168 630 0 0 0
T175 0 1 0 0
T188 0 1 0 0
T189 0 1 0 0
T190 0 1 0 0
T203 0 1 0 0
T204 0 2 0 0
T210 0 1 0 0
T216 872 0 0 0
T217 501 0 0 0
T218 405 0 0 0
T219 917 0 0 0
T220 494 0 0 0
T221 418 0 0 0
T252 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 T5 T13  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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T13  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: T8 T11 T51  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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T13  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T13  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T13  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T13  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T13  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T13  139 140 1/1 unique case (state_q) Tests: T4 T5 T13  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 T13  148 1/1 state_d = DebounceSt; Tests: T8 T11 T51  149 1/1 cnt_en = 1'b1; Tests: T8 T11 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: T8 T11 T51  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T8 T11 T51  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T8 T11 T51  166 1/1 cnt_clr = 1'b1; Tests: T8 T11 T51  167 1/1 if (trigger_active) begin Tests: T8 T11 T51  168 1/1 state_d = DetectSt; Tests: T8 T11 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T51  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: T8 T11 T49  182 1/1 cnt_en = 1'b1; Tests: T8 T11 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: T8 T11 T49  186 1/1 state_d = IdleSt; Tests: T180  187 1/1 cnt_clr = 1'b1; Tests: T180  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T8 T11 T49  191 1/1 state_d = StableSt; Tests: T8 T11 T49  192 1/1 cnt_clr = 1'b1; Tests: T8 T11 T49  193 1/1 event_detected_o = 1'b1; Tests: T8 T11 T49  194 1/1 event_detected_pulse_o = 1'b1; Tests: T8 T11 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: T8 T11 T49  206 1/1 state_d = IdleSt; Tests: T11 T30 T48  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T8 T11 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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].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,T1
1CoveredT4,T5,T13

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T1
10CoveredT4,T5,T13
11CoveredT4,T5,T13

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT8,T11,T51

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT8,T11,T51

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT8,T11,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT8,T11,T51
10CoveredT4,T5,T13
11CoveredT8,T11,T51

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT8,T11,T49
01CoveredT180
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT8,T11,T49
01CoveredT48,T47,T182
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT8,T11,T49
1-CoveredT48,T47,T182

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 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T8,T11,T51
DetectSt 168 Covered T8,T11,T49
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T8,T11,T49


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T8,T11,T49
DebounceSt->IdleSt 163 Covered T51,T101
DetectSt->IdleSt 186 Covered T180
DetectSt->StableSt 191 Covered T8,T11,T49
IdleSt->DebounceSt 148 Covered T8,T11,T51
StableSt->IdleSt 206 Covered T11,T30,T48



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 T8,T11,T51
0 1 Covered T8,T11,T51
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T8,T11,T49
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T8,T11,T51
IdleSt 0 - - - - - - Covered T4,T5,T13
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T8,T11,T49
DebounceSt - 0 1 0 - - - Covered T51
DebounceSt - 0 0 - - - - Covered T8,T11,T51
DetectSt - - - - 1 - - Covered T180
DetectSt - - - - 0 1 - Covered T8,T11,T49
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T11,T30,T48
StableSt - - - - - - 0 Covered T8,T11,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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 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 6968781 69 0 0
CntIncr_A 6968781 181573 0 0
CntNoWrap_A 6968781 6510228 0 0
DetectStDropOut_A 6968781 1 0 0
DetectedOut_A 6968781 164303 0 0
DetectedPulseOut_A 6968781 33 0 0
DisabledIdleSt_A 6968781 5993459 0 0
DisabledNoDetection_A 6968781 5995254 0 0
EnterDebounceSt_A 6968781 36 0 0
EnterDetectSt_A 6968781 34 0 0
EnterStableSt_A 6968781 33 0 0
PulseIsPulse_A 6968781 33 0 0
StayInStableSt 6968781 164254 0 0
gen_high_level_sva.HighLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 15 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 69 0 0
T8 548 2 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 2 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 2 0 0
T47 0 4 0 0
T48 0 2 0 0
T49 0 2 0 0
T51 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 2 0 0
T182 0 2 0 0
T194 0 2 0 0
T202 409 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 181573 0 0
T8 548 94 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 19 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 26 0 0
T47 0 60 0 0
T48 0 30 0 0
T49 0 70 0 0
T51 0 26 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 83 0 0
T182 0 30 0 0
T194 0 98 0 0
T202 409 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510228 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 1 0 0
T114 5470 0 0 0
T180 471 1 0 0
T192 2933 0 0 0
T253 23868 0 0 0
T254 25794 0 0 0
T255 1487 0 0 0
T256 689 0 0 0
T257 13215 0 0 0
T258 433 0 0 0
T259 1453 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 164303 0 0
T8 548 44 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 14 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 9 0 0
T47 0 111 0 0
T48 0 18 0 0
T49 0 170 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 41 0 0
T169 0 182 0 0
T182 0 99 0 0
T194 0 39 0 0
T202 409 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 33 0 0
T8 548 1 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T169 0 1 0 0
T182 0 1 0 0
T194 0 1 0 0
T202 409 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 5993459 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 5995254 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 36 0 0
T8 548 1 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T182 0 1 0 0
T194 0 1 0 0
T202 409 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 34 0 0
T8 548 1 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T169 0 1 0 0
T182 0 1 0 0
T194 0 1 0 0
T202 409 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 33 0 0
T8 548 1 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T169 0 1 0 0
T182 0 1 0 0
T194 0 1 0 0
T202 409 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 33 0 0
T8 548 1 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 1 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T47 0 2 0 0
T48 0 1 0 0
T49 0 1 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 1 0 0
T169 0 1 0 0
T182 0 1 0 0
T194 0 1 0 0
T202 409 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 164254 0 0
T8 548 42 0 0
T9 2031 0 0 0
T10 501 0 0 0
T11 0 13 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 8 0 0
T47 0 108 0 0
T48 0 17 0 0
T49 0 168 0 0
T66 620 0 0 0
T76 502 0 0 0
T77 522 0 0 0
T81 403 0 0 0
T167 0 39 0 0
T169 0 180 0 0
T182 0 98 0 0
T194 0 37 0 0
T202 409 0 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 15 0 0
T47 0 1 0 0
T48 3509 1 0 0
T166 0 1 0 0
T176 0 1 0 0
T182 0 1 0 0
T187 0 1 0 0
T190 0 1 0 0
T192 0 1 0 0
T194 705 0 0 0
T210 0 1 0 0
T244 548 0 0 0
T245 507 0 0 0
T246 424 0 0 0
T247 566 0 0 0
T248 1341 0 0 0
T249 491 0 0 0
T250 751 0 0 0
T251 402 0 0 0
T260 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
TOTAL464291.30
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
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 T13  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 T1  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T1  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T1  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 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: T3 T11 T12  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: T1 T18 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T18 T3  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 T1  105 1/1 cnt_q <= '0; Tests: T4 T5 T1  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T1  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 T1  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T1  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T1  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T1  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T1  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T1  139 140 1/1 unique case (state_q) Tests: T4 T5 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 T5 T1  148 1/1 state_d = DebounceSt; Tests: T3 T11 T12  149 1/1 cnt_en = 1'b1; Tests: T3 T11 T12  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: T3 T11 T12  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T11 T12  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T11 T12  166 1/1 cnt_clr = 1'b1; Tests: T3 T11 T12  167 1/1 if (trigger_active) begin Tests: T3 T11 T12  168 1/1 state_d = DetectSt; Tests: T3 T11 T12  169 end else begin 170 1/1 state_d = IdleSt; Tests: T192  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: T3 T11 T12  182 1/1 cnt_en = 1'b1; Tests: T3 T11 T12  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: T3 T11 T12  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: T3 T11 T12  191 1/1 state_d = StableSt; Tests: T3 T11 T12  192 1/1 cnt_clr = 1'b1; Tests: T3 T11 T12  193 1/1 event_detected_o = 1'b1; Tests: T3 T11 T12  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T11 T12  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: T3 T11 T12  206 1/1 state_d = IdleSt; Tests: T3 T11 T12  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T11 T12  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 T1  220 1/1 state_q <= IdleSt; Tests: T4 T5 T1  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T1 

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,T5,T13
1CoveredT4,T5,T1

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T13
10CoveredT4,T5,T1
11CoveredT4,T5,T1

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T11,T12

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T1 VC_COV_UNR
1CoveredT3,T11,T12

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T1
1CoveredT3,T11,T12

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T8,T11
10CoveredT4,T5,T13
11CoveredT3,T11,T12

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T11,T12
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T11,T12
01CoveredT3,T12,T47
10CoveredT11,T30

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T11,T12
1-CoveredT3,T12,T47

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 T3,T11,T12
DetectSt 168 Covered T3,T11,T12
IdleSt 163 Covered T4,T5,T1
StableSt 191 Covered T3,T11,T12


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T11,T12
DebounceSt->IdleSt 163 Covered T172,T192
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T3,T11,T12
IdleSt->DebounceSt 148 Covered T3,T11,T12
StableSt->IdleSt 206 Covered T3,T11,T12



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].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 T3,T11,T12
0 1 Covered T3,T11,T12
0 0 Excluded T4,T5,T1 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T3,T11,T12
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 T3,T11,T12
IdleSt 0 - - - - - - Covered T4,T5,T1
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T11,T12
DebounceSt - 0 1 0 - - - Covered T192
DebounceSt - 0 0 - - - - Covered T3,T11,T12
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T3,T11,T12
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T11,T12
StableSt - - - - - - 0 Covered T3,T11,T12
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,T1
0 Covered T4,T5,T1


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,T1
0 Covered T4,T5,T1


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 6968781 53 0 0
CntIncr_A 6968781 113602 0 0
CntNoWrap_A 6968781 6510244 0 0
DetectStDropOut_A 6968781 0 0 0
DetectedOut_A 6968781 1811 0 0
DetectedPulseOut_A 6968781 26 0 0
DisabledIdleSt_A 6968781 5957602 0 0
DisabledNoDetection_A 6968781 5959395 0 0
EnterDebounceSt_A 6968781 28 0 0
EnterDetectSt_A 6968781 26 0 0
EnterStableSt_A 6968781 26 0 0
PulseIsPulse_A 6968781 26 0 0
StayInStableSt 6968781 1768 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6968781 5336 0 0
gen_low_level_sva.LowLevelEvent_A 6968781 6512128 0 0
gen_not_sticky_sva.StableStDropOut_A 6968781 7 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 53 0 0
T3 813 4 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 2 0 0
T12 0 2 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 2 0 0
T45 0 2 0 0
T47 0 2 0 0
T48 0 2 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 2 0 0
T203 0 2 0 0
T210 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 113602 0 0
T3 813 84 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 19 0 0
T12 0 20 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 26 0 0
T45 0 37 0 0
T47 0 30 0 0
T48 0 30 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 88 0 0
T203 0 52 0 0
T210 0 95 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6510244 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 1811 0 0
T3 813 83 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 16 0 0
T12 0 43 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 10 0 0
T45 0 44 0 0
T47 0 54 0 0
T48 0 266 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 55 0 0
T203 0 47 0 0
T210 0 39 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 26 0 0
T3 813 2 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 1 0 0
T203 0 1 0 0
T210 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 5957602 0 0
T1 522 121 0 0
T2 2225 1824 0 0
T4 496 95 0 0
T5 423 22 0 0
T13 499 98 0 0
T14 405 4 0 0
T15 652 251 0 0
T16 408 7 0 0
T17 524 123 0 0
T18 446 45 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 5959395 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 28 0 0
T3 813 2 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 1 0 0
T203 0 1 0 0
T210 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 26 0 0
T3 813 2 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 1 0 0
T203 0 1 0 0
T210 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 26 0 0
T3 813 2 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 1 0 0
T203 0 1 0 0
T210 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 26 0 0
T3 813 2 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 1 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 1 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 1 0 0
T203 0 1 0 0
T210 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 1768 0 0
T3 813 80 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T11 0 15 0 0
T12 0 42 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T30 0 9 0 0
T45 0 42 0 0
T47 0 53 0 0
T48 0 264 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T190 0 54 0 0
T203 0 45 0 0
T210 0 37 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 5336 0 0
T1 522 0 0 0
T2 2225 10 0 0
T3 0 2 0 0
T4 496 8 0 0
T5 423 2 0 0
T13 499 6 0 0
T14 405 0 0 0
T15 652 3 0 0
T16 408 0 0 0
T17 524 5 0 0
T18 446 0 0 0
T19 0 2 0 0
T20 0 2 0 0
T27 0 6 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 6512128 0 0
T1 522 122 0 0
T2 2225 1825 0 0
T4 496 96 0 0
T5 423 23 0 0
T13 499 99 0 0
T14 405 5 0 0
T15 652 252 0 0
T16 408 8 0 0
T17 524 124 0 0
T18 446 46 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6968781 7 0 0
T3 813 1 0 0
T6 848 0 0 0
T7 480 0 0 0
T8 548 0 0 0
T12 0 1 0 0
T24 854 0 0 0
T26 496 0 0 0
T29 468 0 0 0
T47 0 1 0 0
T62 426 0 0 0
T80 434 0 0 0
T81 403 0 0 0
T175 0 1 0 0
T190 0 1 0 0
T243 0 1 0 0
T261 0 1 0 0

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