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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
90.39 93.48 90.91 83.33 90.48 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
91.78 95.65 90.91 83.33 95.24 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
99.09 100.00 95.45 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.09 100.00 95.45 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.70 97.83 95.45 100.00 95.24 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.70 97.83 95.45 100.00 95.24 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

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

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T2 T10 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: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T2 T10 T12  149 1/1 cnt_en = 1'b1; Tests: T2 T10 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: T2 T10 T12  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T2 T10 T12  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T2 T10 T12  166 1/1 cnt_clr = 1'b1; Tests: T2 T10 T12  167 1/1 if (trigger_active) begin Tests: T2 T10 T12  168 1/1 state_d = DetectSt; Tests: T2 T10 T12  169 end else begin 170 1/1 state_d = IdleSt; Tests: T184 T234  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: T2 T10 T12  182 1/1 cnt_en = 1'b1; Tests: T2 T10 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: T2 T10 T12  186 1/1 state_d = IdleSt; Tests: T49 T192  187 1/1 cnt_clr = 1'b1; Tests: T49 T192  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T2 T10 T12  191 1/1 state_d = StableSt; Tests: T2 T10 T12  192 1/1 cnt_clr = 1'b1; Tests: T2 T10 T12  193 1/1 event_detected_o = 1'b1; Tests: T2 T10 T12  194 1/1 event_detected_pulse_o = 1'b1; Tests: T2 T10 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: T2 T10 T12  206 1/1 state_d = IdleSt; Tests: T10 T45 T49  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T2 T10 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 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T10,T12

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T10,T12

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T10,T12

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T10,T12
10CoveredT4,T5,T6
11CoveredT2,T10,T12

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT2,T10,T12
01CoveredT49,T192
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT2,T10,T12
01CoveredT45,T49,T53
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT2,T10,T12
1-CoveredT45,T49,T53

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 T2,T10,T12
DetectSt 168 Covered T2,T10,T12
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T2,T10,T12


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T2,T10,T12
DebounceSt->IdleSt 163 Covered T90,T184,T234
DetectSt->IdleSt 186 Covered T49,T192
DetectSt->StableSt 191 Covered T2,T10,T12
IdleSt->DebounceSt 148 Covered T2,T10,T12
StableSt->IdleSt 206 Covered T10,T45,T49



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTests
1 - Covered T2,T10,T12
0 1 Covered T2,T10,T12
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T2,T10,T12
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T2,T10,T12
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T2,T10,T12
DebounceSt - 0 1 0 - - - Covered T184,T234
DebounceSt - 0 0 - - - - Covered T2,T10,T12
DetectSt - - - - 1 - - Covered T49,T192
DetectSt - - - - 0 1 - Covered T2,T10,T12
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T10,T45,T49
StableSt - - - - - - 0 Covered T2,T10,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,T6
0 Covered T4,T5,T6


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

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


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




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 9770838 69 0 0
CntIncr_A 9770838 62973 0 0
CntNoWrap_A 9770838 9329076 0 0
DetectStDropOut_A 9770838 2 0 0
DetectedOut_A 9770838 27521 0 0
DetectedPulseOut_A 9770838 31 0 0
DisabledIdleSt_A 9770838 9089262 0 0
DisabledNoDetection_A 9770838 9091086 0 0
EnterDebounceSt_A 9770838 36 0 0
EnterDetectSt_A 9770838 33 0 0
EnterStableSt_A 9770838 31 0 0
PulseIsPulse_A 9770838 31 0 0
StayInStableSt 9770838 27477 0 0
gen_high_level_sva.HighLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 17 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 69 0 0
T2 644 2 0 0
T3 847 0 0 0
T10 0 2 0 0
T12 0 2 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 4 0 0
T49 0 4 0 0
T53 0 2 0 0
T55 0 2 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T208 0 2 0 0
T217 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 62973 0 0
T2 644 28 0 0
T3 847 0 0 0
T10 0 37 0 0
T12 0 70 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 148 0 0
T49 0 98 0 0
T53 0 94 0 0
T55 0 32 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 26 0 0
T208 0 57 0 0
T217 0 168 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329076 0 0
T1 1054 653 0 0
T2 644 241 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 2 0 0
T49 841 1 0 0
T50 3327 0 0 0
T63 32189 0 0 0
T83 496 0 0 0
T192 0 1 0 0
T209 540 0 0 0
T210 431 0 0 0
T211 502 0 0 0
T235 502 0 0 0
T236 1247 0 0 0
T237 1090 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 27521 0 0
T2 644 101 0 0
T3 847 0 0 0
T10 0 5 0 0
T12 0 46 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 261 0 0
T49 0 5 0 0
T53 0 16 0 0
T55 0 40 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 42 0 0
T208 0 52 0 0
T217 0 159 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 31 0 0
T2 644 1 0 0
T3 847 0 0 0
T10 0 1 0 0
T12 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T208 0 1 0 0
T217 0 2 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9089262 0 0
T1 1054 653 0 0
T2 644 3 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9091086 0 0
T1 1054 654 0 0
T2 644 3 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 36 0 0
T2 644 1 0 0
T3 847 0 0 0
T10 0 1 0 0
T12 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T53 0 1 0 0
T55 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T208 0 1 0 0
T217 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 33 0 0
T2 644 1 0 0
T3 847 0 0 0
T10 0 1 0 0
T12 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T53 0 1 0 0
T55 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T208 0 1 0 0
T217 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 31 0 0
T2 644 1 0 0
T3 847 0 0 0
T10 0 1 0 0
T12 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T208 0 1 0 0
T217 0 2 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 31 0 0
T2 644 1 0 0
T3 847 0 0 0
T10 0 1 0 0
T12 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T208 0 1 0 0
T217 0 2 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 27477 0 0
T2 644 99 0 0
T3 847 0 0 0
T10 0 4 0 0
T12 0 44 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 259 0 0
T49 0 4 0 0
T53 0 15 0 0
T55 0 39 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 40 0 0
T208 0 51 0 0
T217 0 156 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 17 0 0
T45 1047 2 0 0
T49 0 1 0 0
T53 0 1 0 0
T55 0 1 0 0
T60 677 0 0 0
T128 437 0 0 0
T129 518 0 0 0
T130 407 0 0 0
T185 0 1 0 0
T192 0 1 0 0
T202 0 2 0 0
T208 0 1 0 0
T214 0 1 0 0
T217 0 1 0 0
T238 4410 0 0 0
T239 505 0 0 0
T240 412 0 0 0
T241 526 0 0 0
T242 422 0 0 0

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

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T10 T47 T45  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T10 T47 T45  149 1/1 cnt_en = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T10 T47 T45  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T10 T47 T45  166 1/1 cnt_clr = 1'b1; Tests: T10 T47 T45  167 1/1 if (trigger_active) begin Tests: T10 T47 T45  168 1/1 state_d = DetectSt; Tests: T10 T47 T45  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T10 T47 T45  182 1/1 cnt_en = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  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: T10 T47 T45  191 1/1 state_d = StableSt; Tests: T10 T47 T45  192 1/1 cnt_clr = 1'b1; Tests: T10 T47 T45  193 1/1 event_detected_o = 1'b1; Tests: T10 T47 T45  194 1/1 event_detected_pulse_o = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  206 1/1 state_d = IdleSt; Tests: T10 T45 T48  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T10 T47 T45  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T10,T51
10CoveredT4,T5,T6
11CoveredT10,T47,T45

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT10,T47,T45
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT10,T47,T45
01CoveredT45,T48,T217
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT10,T47,T45
1-CoveredT45,T48,T217

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

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T10,T47,T45
DetectSt 168 Covered T10,T47,T45
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T10,T47,T45


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T10,T47,T45
DebounceSt->IdleSt 163 Covered T90
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T10,T47,T45
IdleSt->DebounceSt 148 Covered T10,T47,T45
StableSt->IdleSt 206 Covered T10,T45,T48



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 19 90.48
TERNARY 92 3 3 100.00
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- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T10,T47,T45
0 1 Covered T10,T47,T45
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T10,T47,T45
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T10,T47,T45
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T10,T47,T45
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T10,T47,T45
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T10,T47,T45
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T10,T45,T48
StableSt - - - - - - 0 Covered T10,T47,T45
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


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




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 9770838 35 0 0
CntIncr_A 9770838 61956 0 0
CntNoWrap_A 9770838 9329110 0 0
DetectStDropOut_A 9770838 0 0 0
DetectedOut_A 9770838 84385 0 0
DetectedPulseOut_A 9770838 17 0 0
DisabledIdleSt_A 9770838 9091308 0 0
DisabledNoDetection_A 9770838 9093136 0 0
EnterDebounceSt_A 9770838 18 0 0
EnterDetectSt_A 9770838 17 0 0
EnterStableSt_A 9770838 17 0 0
PulseIsPulse_A 9770838 17 0 0
StayInStableSt 9770838 84360 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 9770838 4839 0 0
gen_low_level_sva.LowLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 8 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 35 0 0
T10 8125 2 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 4 0 0
T47 0 2 0 0
T48 0 4 0 0
T53 0 2 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 1 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 2 0 0
T184 0 2 0 0
T208 0 2 0 0
T217 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 61956 0 0
T10 8125 37 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 148 0 0
T47 0 17 0 0
T48 0 120 0 0
T53 0 94 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 27 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 35 0 0
T184 0 30 0 0
T208 0 57 0 0
T217 0 84 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329110 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 84385 0 0
T10 8125 6 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 78 0 0
T47 0 68 0 0
T48 0 63 0 0
T53 0 43 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 93 0 0
T184 0 46 0 0
T185 0 43 0 0
T208 0 41 0 0
T217 0 242 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 17 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T53 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 1 0 0
T184 0 1 0 0
T185 0 1 0 0
T208 0 1 0 0
T217 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9091308 0 0
T1 1054 653 0 0
T2 644 3 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9093136 0 0
T1 1054 654 0 0
T2 644 3 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 18 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T53 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 1 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 1 0 0
T184 0 1 0 0
T208 0 1 0 0
T217 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 17 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T53 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 1 0 0
T184 0 1 0 0
T185 0 1 0 0
T208 0 1 0 0
T217 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 17 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T53 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 1 0 0
T184 0 1 0 0
T185 0 1 0 0
T208 0 1 0 0
T217 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 17 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T53 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 1 0 0
T184 0 1 0 0
T185 0 1 0 0
T208 0 1 0 0
T217 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 84360 0 0
T10 8125 5 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 75 0 0
T47 0 66 0 0
T48 0 60 0 0
T53 0 41 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T138 0 92 0 0
T184 0 44 0 0
T185 0 42 0 0
T208 0 39 0 0
T217 0 241 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 4839 0 0
T1 1054 0 0 0
T2 644 0 0 0
T4 428 2 0 0
T5 469 1 0 0
T6 427 3 0 0
T14 522 5 0 0
T15 502 6 0 0
T16 0 1 0 0
T17 0 1 0 0
T18 0 3 0 0
T22 444 1 0 0
T23 491 9 0 0
T24 657 0 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 8 0 0
T45 1047 1 0 0
T48 0 1 0 0
T60 677 0 0 0
T128 437 0 0 0
T129 518 0 0 0
T130 407 0 0 0
T138 0 1 0 0
T185 0 1 0 0
T188 0 1 0 0
T198 0 1 0 0
T204 0 1 0 0
T217 0 1 0 0
T238 4410 0 0 0
T239 505 0 0 0
T240 412 0 0 0
T241 526 0 0 0
T242 422 0 0 0

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

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T10 T47 T45  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T10 T47 T45  149 1/1 cnt_en = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T10 T47 T45  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T10 T47 T45  166 1/1 cnt_clr = 1'b1; Tests: T10 T47 T45  167 1/1 if (trigger_active) begin Tests: T10 T47 T45  168 1/1 state_d = DetectSt; Tests: T10 T47 T45  169 end else begin 170 1/1 state_d = IdleSt; Tests: T50  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: T10 T47 T45  182 1/1 cnt_en = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  186 1/1 state_d = IdleSt; Tests: T190  187 1/1 cnt_clr = 1'b1; Tests: T190  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T10 T47 T45  191 1/1 state_d = StableSt; Tests: T10 T47 T45  192 1/1 cnt_clr = 1'b1; Tests: T10 T47 T45  193 1/1 event_detected_o = 1'b1; Tests: T10 T47 T45  194 1/1 event_detected_pulse_o = 1'b1; Tests: T10 T47 T45  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: T10 T47 T45  206 1/1 state_d = IdleSt; Tests: T10 T47 T45  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T10 T47 T45  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT10,T47,T45

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT10,T47,T45
10CoveredT4,T5,T6
11CoveredT10,T47,T45

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT10,T47,T45
01CoveredT190
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT10,T47,T45
01CoveredT47,T45,T46
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT10,T47,T45
1-CoveredT47,T45,T46

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 T10,T47,T45
DetectSt 168 Covered T10,T47,T45
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T10,T47,T45


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T10,T47,T45
DebounceSt->IdleSt 163 Covered T50,T90
DetectSt->IdleSt 186 Covered T190
DetectSt->StableSt 191 Covered T10,T47,T45
IdleSt->DebounceSt 148 Covered T10,T47,T45
StableSt->IdleSt 206 Covered T10,T47,T45



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTests
1 - Covered T10,T47,T45
0 1 Covered T10,T47,T45
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T10,T47,T45
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T10,T47,T45
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T10,T47,T45
DebounceSt - 0 1 0 - - - Covered T50
DebounceSt - 0 0 - - - - Covered T10,T47,T45
DetectSt - - - - 1 - - Covered T190
DetectSt - - - - 0 1 - Covered T10,T47,T45
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T10,T47,T45
StableSt - - - - - - 0 Covered T10,T47,T45
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


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




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 9770838 64 0 0
CntIncr_A 9770838 62731 0 0
CntNoWrap_A 9770838 9329081 0 0
DetectStDropOut_A 9770838 1 0 0
DetectedOut_A 9770838 77926 0 0
DetectedPulseOut_A 9770838 30 0 0
DisabledIdleSt_A 9770838 9089516 0 0
DisabledNoDetection_A 9770838 9091343 0 0
EnterDebounceSt_A 9770838 33 0 0
EnterDetectSt_A 9770838 31 0 0
EnterStableSt_A 9770838 30 0 0
PulseIsPulse_A 9770838 30 0 0
StayInStableSt 9770838 77887 0 0
gen_high_level_sva.HighLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 20 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 64 0 0
T10 8125 2 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 6 0 0
T46 0 4 0 0
T47 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 2 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 1 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 2 0 0
T138 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 62731 0 0
T10 8125 37 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 222 0 0
T46 0 42 0 0
T47 0 17 0 0
T50 0 76 0 0
T52 0 10 0 0
T55 0 32 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 26 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 98 0 0
T138 0 35 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329081 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1 0 0
T40 21561 0 0 0
T149 707 0 0 0
T189 601 0 0 0
T190 2744 1 0 0
T191 1049 0 0 0
T243 715 0 0 0
T244 15242 0 0 0
T245 494 0 0 0
T246 3322 0 0 0
T247 412 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 77926 0 0
T10 8125 6 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 241 0 0
T46 0 10 0 0
T47 0 70 0 0
T52 0 53 0 0
T55 0 121 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 139 0 0
T138 0 14 0 0
T191 0 204 0 0
T222 0 70 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 30 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 3 0 0
T46 0 2 0 0
T47 0 1 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 1 0 0
T138 0 1 0 0
T191 0 2 0 0
T222 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9089516 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9091343 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 33 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 3 0 0
T46 0 2 0 0
T47 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T90 0 1 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 1 0 0
T138 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 31 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 3 0 0
T46 0 2 0 0
T47 0 1 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 1 0 0
T138 0 1 0 0
T190 0 1 0 0
T191 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 30 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 3 0 0
T46 0 2 0 0
T47 0 1 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 1 0 0
T138 0 1 0 0
T191 0 2 0 0
T222 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 30 0 0
T10 8125 1 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 3 0 0
T46 0 2 0 0
T47 0 1 0 0
T52 0 1 0 0
T55 0 1 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 1 0 0
T138 0 1 0 0
T191 0 2 0 0
T222 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 77887 0 0
T10 8125 5 0 0
T11 783 0 0 0
T12 632 0 0 0
T13 10538 0 0 0
T45 0 237 0 0
T46 0 8 0 0
T47 0 69 0 0
T52 0 51 0 0
T55 0 120 0 0
T58 470 0 0 0
T65 522 0 0 0
T66 503 0 0 0
T67 677 0 0 0
T94 427 0 0 0
T95 1341 0 0 0
T100 0 138 0 0
T138 0 13 0 0
T191 0 201 0 0
T222 0 68 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 20 0 0
T45 1047 2 0 0
T46 0 2 0 0
T47 570 1 0 0
T55 0 1 0 0
T60 677 0 0 0
T100 0 1 0 0
T128 437 0 0 0
T129 518 0 0 0
T130 407 0 0 0
T138 0 1 0 0
T185 0 1 0 0
T191 0 1 0 0
T202 0 1 0 0
T204 0 1 0 0
T238 4410 0 0 0
T239 505 0 0 0
T240 412 0 0 0
T241 526 0 0 0

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

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T10 T45  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T3 T10 T45  149 1/1 cnt_en = 1'b1; Tests: T3 T10 T45  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 T10 T45  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T10 T45  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T3 T10 T45  166 1/1 cnt_clr = 1'b1; Tests: T3 T10 T45  167 1/1 if (trigger_active) begin Tests: T3 T10 T45  168 1/1 state_d = DetectSt; Tests: T3 T10 T45  169 end else begin 170 1/1 state_d = IdleSt; Tests: T45  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 T10 T45  182 1/1 cnt_en = 1'b1; Tests: T3 T10 T45  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 T10 T45  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 T10 T45  191 1/1 state_d = StableSt; Tests: T3 T10 T45  192 1/1 cnt_clr = 1'b1; Tests: T3 T10 T45  193 1/1 event_detected_o = 1'b1; Tests: T3 T10 T45  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T10 T45  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 T10 T45  206 1/1 state_d = IdleSt; Tests: T3 T10 T45  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T10 T45  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222090.91
Logical222090.91
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T10,T45

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T10,T45

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T10,T45

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T7,T10
10CoveredT4,T6,T22
11CoveredT3,T10,T45

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T10,T45
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T10,T45
01CoveredT3,T45,T46
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T10,T45
1-CoveredT3,T45,T46

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,T10,T45
DetectSt 168 Covered T3,T10,T45
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T3,T10,T45


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T10,T45
DebounceSt->IdleSt 163 Covered T45,T90
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T3,T10,T45
IdleSt->DebounceSt 148 Covered T3,T10,T45
StableSt->IdleSt 206 Covered T3,T10,T45



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
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- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T3,T10,T45
0 1 Covered T3,T10,T45
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T3,T10,T45
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T3,T10,T45
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T3,T10,T45
DebounceSt - 0 1 0 - - - Covered T45
DebounceSt - 0 0 - - - - Covered T3,T10,T45
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T3,T10,T45
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T10,T45
StableSt - - - - - - 0 Covered T3,T10,T45
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


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




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 9770838 48 0 0
CntIncr_A 9770838 1311 0 0
CntNoWrap_A 9770838 9329097 0 0
DetectStDropOut_A 9770838 0 0 0
DetectedOut_A 9770838 1071 0 0
DetectedPulseOut_A 9770838 23 0 0
DisabledIdleSt_A 9770838 9319313 0 0
DisabledNoDetection_A 9770838 9321133 0 0
EnterDebounceSt_A 9770838 25 0 0
EnterDetectSt_A 9770838 23 0 0
EnterStableSt_A 9770838 23 0 0
PulseIsPulse_A 9770838 23 0 0
StayInStableSt 9770838 1035 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 9770838 4862 0 0
gen_low_level_sva.LowLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 9 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 48 0 0
T3 847 2 0 0
T10 0 2 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 3 0 0
T46 0 4 0 0
T50 0 4 0 0
T55 0 2 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T100 0 2 0 0
T104 1093 0 0 0
T133 0 2 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1311 0 0
T3 847 44 0 0
T10 0 37 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 148 0 0
T46 0 42 0 0
T50 0 90 0 0
T55 0 32 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T90 0 26 0 0
T100 0 98 0 0
T104 1093 0 0 0
T133 0 31 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 53 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329097 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1071 0 0
T3 847 164 0 0
T10 0 5 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 43 0 0
T46 0 85 0 0
T50 0 77 0 0
T55 0 41 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 39 0 0
T104 1093 0 0 0
T133 0 3 0 0
T181 0 41 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 42 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 23 0 0
T3 847 1 0 0
T10 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T50 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 1 0 0
T181 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9319313 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9321133 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 25 0 0
T3 847 1 0 0
T10 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 2 0 0
T46 0 2 0 0
T50 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 23 0 0
T3 847 1 0 0
T10 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T50 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 1 0 0
T181 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 23 0 0
T3 847 1 0 0
T10 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T50 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 1 0 0
T181 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 23 0 0
T3 847 1 0 0
T10 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T46 0 2 0 0
T50 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 1 0 0
T181 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1035 0 0
T3 847 163 0 0
T10 0 4 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 42 0 0
T46 0 82 0 0
T50 0 73 0 0
T55 0 39 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 37 0 0
T104 1093 0 0 0
T133 0 2 0 0
T181 0 39 0 0
T182 428 0 0 0
T183 441 0 0 0
T190 0 40 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 4862 0 0
T1 1054 0 0 0
T2 644 1 0 0
T4 428 1 0 0
T5 469 0 0 0
T6 427 1 0 0
T14 522 4 0 0
T15 502 6 0 0
T16 0 2 0 0
T17 0 1 0 0
T18 0 5 0 0
T22 444 1 0 0
T23 491 7 0 0
T24 657 0 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9 0 0
T3 847 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T133 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T186 0 1 0 0
T187 0 1 0 0
T192 0 1 0 0
T206 0 1 0 0
T216 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
TOTAL4646100.00
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T6 T23  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T6 T23  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 T7 T10  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T6 T23  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T6 T23  129 1/1 cnt_en = 1'b0; Tests: T4 T6 T23  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T6 T23  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T6 T23  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T6 T23  139 140 1/1 unique case (state_q) Tests: T4 T6 T23  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T6 T23  148 1/1 state_d = DebounceSt; Tests: T3 T7 T10  149 1/1 cnt_en = 1'b1; Tests: T3 T7 T10  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 T7 T10  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T7 T10  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T3 T7 T10  166 1/1 cnt_clr = 1'b1; Tests: T3 T7 T10  167 1/1 if (trigger_active) begin Tests: T3 T7 T10  168 1/1 state_d = DetectSt; Tests: T3 T7 T10  169 end else begin 170 1/1 state_d = IdleSt; Tests: T45 T189 T202  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 T7 T10  182 1/1 cnt_en = 1'b1; Tests: T3 T7 T10  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 T7 T10  186 1/1 state_d = IdleSt; Tests: T100 T248  187 1/1 cnt_clr = 1'b1; Tests: T100 T248  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T7 T10  191 1/1 state_d = StableSt; Tests: T3 T7 T10  192 1/1 cnt_clr = 1'b1; Tests: T3 T7 T10  193 1/1 event_detected_o = 1'b1; Tests: T3 T7 T10  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T7 T10  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 T7 T10  206 1/1 state_d = IdleSt; Tests: T3 T10 T45  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T7 T10  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T6,T23

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T6,T23
11CoveredT4,T6,T23

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T10

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T10

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT3,T7,T10

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T7,T10
10CoveredT4,T6,T23
11CoveredT3,T7,T10

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T7,T10
01CoveredT100,T248
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T7,T10
01CoveredT3,T45,T48
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T7,T10
1-CoveredT3,T45,T48

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 T3,T7,T10
DetectSt 168 Covered T3,T7,T10
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T3,T7,T10


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T3,T7,T10
DebounceSt->IdleSt 163 Covered T45,T90,T189
DetectSt->IdleSt 186 Covered T100,T248
DetectSt->StableSt 191 Covered T3,T7,T10
IdleSt->DebounceSt 148 Covered T3,T7,T10
StableSt->IdleSt 206 Covered T3,T10,T45



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 21 21 100.00
TERNARY 92 3 3 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 10 100.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTests
1 - Covered T3,T7,T10
0 1 Covered T3,T7,T10
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T3,T7,T10
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T3,T7,T10
IdleSt 0 - - - - - - Covered T4,T6,T23
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T3,T7,T10
DebounceSt - 0 1 0 - - - Covered T45,T189,T202
DebounceSt - 0 0 - - - - Covered T3,T7,T10
DetectSt - - - - 1 - - Covered T100,T248
DetectSt - - - - 0 1 - Covered T3,T7,T10
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T3,T10,T45
StableSt - - - - - - 0 Covered T3,T7,T10
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 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 9770838 78 0 0
CntIncr_A 9770838 2170 0 0
CntNoWrap_A 9770838 9329067 0 0
DetectStDropOut_A 9770838 2 0 0
DetectedOut_A 9770838 2547 0 0
DetectedPulseOut_A 9770838 35 0 0
DisabledIdleSt_A 9770838 9319641 0 0
DisabledNoDetection_A 9770838 9321461 0 0
EnterDebounceSt_A 9770838 42 0 0
EnterDetectSt_A 9770838 37 0 0
EnterStableSt_A 9770838 35 0 0
PulseIsPulse_A 9770838 35 0 0
StayInStableSt 9770838 2496 0 0
gen_high_level_sva.HighLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 18 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 78 0 0
T3 847 6 0 0
T7 0 2 0 0
T10 0 2 0 0
T12 0 2 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 3 0 0
T47 0 2 0 0
T48 0 4 0 0
T50 0 2 0 0
T52 0 4 0 0
T55 0 2 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 2170 0 0
T3 847 132 0 0
T7 0 41 0 0
T10 0 37 0 0
T12 0 70 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 148 0 0
T47 0 17 0 0
T48 0 120 0 0
T50 0 76 0 0
T52 0 20 0 0
T55 0 32 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329067 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 2 0 0
T100 3560 1 0 0
T131 647 0 0 0
T132 417 0 0 0
T133 617 0 0 0
T134 421 0 0 0
T135 506 0 0 0
T136 495 0 0 0
T137 1267 0 0 0
T138 666 0 0 0
T139 400975 0 0 0
T248 0 1 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 2547 0 0
T3 847 93 0 0
T7 0 119 0 0
T10 0 5 0 0
T12 0 46 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 33 0 0
T47 0 38 0 0
T48 0 205 0 0
T50 0 115 0 0
T52 0 126 0 0
T55 0 194 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 35 0 0
T3 847 3 0 0
T7 0 1 0 0
T10 0 1 0 0
T12 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9319641 0 0
T1 1054 653 0 0
T2 644 243 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9321461 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 42 0 0
T3 847 3 0 0
T7 0 1 0 0
T10 0 1 0 0
T12 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 2 0 0
T47 0 1 0 0
T48 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 37 0 0
T3 847 3 0 0
T7 0 1 0 0
T10 0 1 0 0
T12 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 35 0 0
T3 847 3 0 0
T7 0 1 0 0
T10 0 1 0 0
T12 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 35 0 0
T3 847 3 0 0
T7 0 1 0 0
T10 0 1 0 0
T12 0 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T47 0 1 0 0
T48 0 2 0 0
T50 0 1 0 0
T52 0 2 0 0
T55 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 2496 0 0
T3 847 89 0 0
T7 0 117 0 0
T10 0 4 0 0
T12 0 44 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 32 0 0
T47 0 36 0 0
T48 0 202 0 0
T50 0 113 0 0
T52 0 123 0 0
T55 0 192 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 18 0 0
T3 847 2 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T45 0 1 0 0
T48 0 1 0 0
T52 0 1 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T100 0 1 0 0
T104 1093 0 0 0
T133 0 2 0 0
T138 0 1 0 0
T182 428 0 0 0
T183 441 0 0 0
T189 0 1 0 0
T203 0 1 0 0
T222 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
TOTAL464597.83
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323196.88
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T6 T23  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T2 T3 T10  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T22 T2  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T22 T2  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T2 T3 T10  149 1/1 cnt_en = 1'b1; Tests: T2 T3 T10  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: T2 T3 T10  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T2 T3 T10  163 1/1 state_d = IdleSt; Tests: T90  164 1/1 cnt_clr = 1'b1; Tests: T90  165 1/1 end else if (cnt_done) begin Tests: T2 T3 T10  166 1/1 cnt_clr = 1'b1; Tests: T2 T3 T10  167 1/1 if (trigger_active) begin Tests: T2 T3 T10  168 1/1 state_d = DetectSt; Tests: T2 T3 T10  169 end else begin 170 0/1 ==> state_d = IdleSt; 171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T2 T3 T10  182 1/1 cnt_en = 1'b1; Tests: T2 T3 T10  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: T2 T3 T10  186 1/1 state_d = IdleSt; Tests: T3  187 1/1 cnt_clr = 1'b1; Tests: T3  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T2 T3 T10  191 1/1 state_d = StableSt; Tests: T2 T3 T10  192 1/1 cnt_clr = 1'b1; Tests: T2 T3 T10  193 1/1 event_detected_o = 1'b1; Tests: T2 T3 T10  194 1/1 event_detected_pulse_o = 1'b1; Tests: T2 T3 T10  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: T2 T3 T10  206 1/1 state_d = IdleSt; Tests: T2 T3 T10  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T2 T3 T10  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions222195.45
Logical222195.45
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T6,T23
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T6,T23
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T3,T10

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T3,T10

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT2,T3,T10

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT2,T3,T10
10CoveredT4,T6,T23
11CoveredT2,T3,T10

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT2,T3,T10
01CoveredT3
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT2,T3,T10
01CoveredT2,T3,T45
10CoveredT10

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT2,T3,T10
1-CoveredT2,T3,T45

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 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T2,T3,T10
DetectSt 168 Covered T2,T3,T10
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T2,T3,T10


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T2,T3,T10
DebounceSt->IdleSt 163 Covered T90
DetectSt->IdleSt 186 Covered T3
DetectSt->StableSt 191 Covered T2,T3,T10
IdleSt->DebounceSt 148 Covered T2,T3,T10
StableSt->IdleSt 206 Covered T2,T3,T10



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 21 20 95.24
TERNARY 92 3 3 100.00
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- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T2,T3,T10
0 1 Covered T2,T3,T10
0 0 Covered T4,T5,T6


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

Branches:
-1-StatusTests
1 Covered T2,T3,T10
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T2,T3,T10
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Covered T90
DebounceSt - 0 1 1 - - - Covered T2,T3,T10
DebounceSt - 0 1 0 - - - Not Covered
DebounceSt - 0 0 - - - - Covered T2,T3,T10
DetectSt - - - - 1 - - Covered T3
DetectSt - - - - 0 1 - Covered T2,T3,T10
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T2,T3,T10
StableSt - - - - - - 0 Covered T2,T3,T10
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 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 9770838 39 0 0
CntIncr_A 9770838 856 0 0
CntNoWrap_A 9770838 9329106 0 0
DetectStDropOut_A 9770838 1 0 0
DetectedOut_A 9770838 1031 0 0
DetectedPulseOut_A 9770838 18 0 0
DisabledIdleSt_A 9770838 9321202 0 0
DisabledNoDetection_A 9770838 9323026 0 0
EnterDebounceSt_A 9770838 20 0 0
EnterDetectSt_A 9770838 19 0 0
EnterStableSt_A 9770838 18 0 0
PulseIsPulse_A 9770838 18 0 0
StayInStableSt 9770838 1005 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 9770838 5354 0 0
gen_low_level_sva.LowLevelEvent_A 9770838 9330998 0 0
gen_not_sticky_sva.StableStDropOut_A 9770838 9 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 39 0 0
T2 644 2 0 0
T3 847 4 0 0
T10 0 2 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 4 0 0
T49 0 4 0 0
T52 0 2 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T190 0 2 0 0
T191 0 2 0 0
T222 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 856 0 0
T2 644 28 0 0
T3 847 88 0 0
T10 0 37 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 148 0 0
T49 0 98 0 0
T52 0 10 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 25 0 0
T190 0 53 0 0
T191 0 82 0 0
T222 0 17 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9329106 0 0
T1 1054 653 0 0
T2 644 241 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1 0 0
T3 847 1 0 0
T29 492 0 0 0
T30 497 0 0 0
T31 689 0 0 0
T56 451 0 0 0
T69 556 0 0 0
T84 502 0 0 0
T104 1093 0 0 0
T182 428 0 0 0
T183 441 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1031 0 0
T2 644 41 0 0
T3 847 121 0 0
T10 0 5 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 87 0 0
T49 0 50 0 0
T52 0 39 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 42 0 0
T191 0 42 0 0
T222 0 43 0 0
T223 0 42 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 18 0 0
T2 644 1 0 0
T3 847 1 0 0
T10 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T191 0 1 0 0
T222 0 1 0 0
T223 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9321202 0 0
T1 1054 653 0 0
T2 644 3 0 0
T4 428 27 0 0
T5 469 68 0 0
T6 427 26 0 0
T14 522 121 0 0
T15 502 101 0 0
T22 444 43 0 0
T23 491 90 0 0
T24 657 256 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9323026 0 0
T1 1054 654 0 0
T2 644 3 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 20 0 0
T2 644 1 0 0
T3 847 2 0 0
T10 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T90 0 1 0 0
T190 0 1 0 0
T191 0 1 0 0
T222 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 19 0 0
T2 644 1 0 0
T3 847 2 0 0
T10 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T191 0 1 0 0
T222 0 1 0 0
T223 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 18 0 0
T2 644 1 0 0
T3 847 1 0 0
T10 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T191 0 1 0 0
T222 0 1 0 0
T223 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 18 0 0
T2 644 1 0 0
T3 847 1 0 0
T10 0 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 2 0 0
T49 0 2 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 1 0 0
T191 0 1 0 0
T222 0 1 0 0
T223 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 1005 0 0
T2 644 40 0 0
T3 847 120 0 0
T10 0 4 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 84 0 0
T49 0 47 0 0
T52 0 38 0 0
T56 451 0 0 0
T84 502 0 0 0
T190 0 40 0 0
T191 0 41 0 0
T222 0 41 0 0
T223 0 40 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 5354 0 0
T1 1054 4 0 0
T2 644 1 0 0
T4 428 1 0 0
T5 469 0 0 0
T6 427 2 0 0
T14 522 5 0 0
T15 502 6 0 0
T16 0 4 0 0
T18 0 6 0 0
T22 444 0 0 0
T23 491 7 0 0
T24 657 3 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9330998 0 0
T1 1054 654 0 0
T2 644 244 0 0
T4 428 28 0 0
T5 469 69 0 0
T6 427 27 0 0
T14 522 122 0 0
T15 502 102 0 0
T22 444 44 0 0
T23 491 91 0 0
T24 657 257 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 9770838 9 0 0
T2 644 1 0 0
T3 847 1 0 0
T15 502 0 0 0
T16 424 0 0 0
T17 463 0 0 0
T18 526 0 0 0
T19 402 0 0 0
T20 1181 0 0 0
T45 0 1 0 0
T49 0 1 0 0
T52 0 1 0 0
T56 451 0 0 0
T84 502 0 0 0
T106 0 1 0 0
T185 0 1 0 0
T191 0 1 0 0
T249 0 1 0 0

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