dashboard | hierarchy | modlist | groups | tests | asserts

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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
98.13 95.65 100.00 100.00 95.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
98.13 95.65 100.00 100.00 95.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.05 100.00 95.24 100.00 100.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


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

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
95.93 95.65 95.24 100.00 95.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
95.93 95.65 95.24 100.00 95.00 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children

Go back
Module Instances:
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T1 T2 T13  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T2 T13  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T8 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: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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: T1 T2 T13  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T2 T13  129 1/1 cnt_en = 1'b0; Tests: T1 T2 T13  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T2 T13  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T2 T13  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T2 T13  139 140 1/1 unique case (state_q) Tests: T1 T2 T13  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T1 T2 T13  148 1/1 state_d = DebounceSt; Tests: T3 T8 T10  149 1/1 cnt_en = 1'b1; Tests: T3 T8 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 T8 T10  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T8 T10  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T3 T8 T10  166 1/1 cnt_clr = 1'b1; Tests: T3 T8 T10  167 1/1 if (trigger_active) begin Tests: T3 T8 T10  168 1/1 state_d = DetectSt; Tests: T3 T8 T10  169 end else begin 170 1/1 state_d = IdleSt; Tests: T125 T100 T221  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 T8 T10  182 1/1 cnt_en = 1'b1; Tests: T3 T8 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 T8 T10  186 1/1 state_d = IdleSt; Tests: T56 T272  187 1/1 cnt_clr = 1'b1; Tests: T56 T272  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T8 T10  191 1/1 state_d = StableSt; Tests: T3 T8 T10  192 1/1 cnt_clr = 1'b1; Tests: T3 T8 T10  193 1/1 event_detected_o = 1'b1; Tests: T3 T8 T10  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T8 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 T8 T10  206 1/1 state_d = IdleSt; Tests: T8 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 T8 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: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions2121100.00
Logical2121100.00
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT1,T2,T13

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T2,T4
10CoveredT1,T2,T13
11CoveredT1,T2,T13

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT3,T8,T10

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT3,T8,T10

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT3,T8,T10

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T8,T10
10CoveredT1,T2,T13
11CoveredT3,T8,T10

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T8,T10
01CoveredT272
10CoveredT56

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T8,T10
01CoveredT8,T10,T45
10CoveredT21

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T8,T10
1-CoveredT8,T10,T45

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
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T3,T8,T10
DetectSt 168 Covered T3,T8,T10
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T3,T8,T10


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T3,T8,T10
DebounceSt->IdleSt 163 Covered T125,T100,T221
DetectSt->IdleSt 186 Covered T56,T272
DetectSt->StableSt 191 Covered T3,T8,T10
IdleSt->DebounceSt 148 Covered T3,T8,T10
StableSt->IdleSt 206 Covered T8,T10,T45



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T3,T8,T10
0 1 Covered T3,T8,T10
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T3,T8,T10
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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,T8,T10
IdleSt 0 - - - - - - Covered T1,T2,T13
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T3,T8,T10
DebounceSt - 0 1 0 - - - Covered T125,T100,T221
DebounceSt - 0 0 - - - - Covered T3,T8,T10
DetectSt - - - - 1 - - Covered T56,T272
DetectSt - - - - 0 1 - Covered T3,T8,T10
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T10,T45
StableSt - - - - - - 0 Covered T3,T8,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 T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 151 0 0
CntIncr_A 7014086 70575 0 0
CntNoWrap_A 7014086 6364699 0 0
DetectStDropOut_A 7014086 1 0 0
DetectedOut_A 7014086 48641 0 0
DetectedPulseOut_A 7014086 70 0 0
DisabledIdleSt_A 7014086 6052685 0 0
DisabledNoDetection_A 7014086 6055018 0 0
EnterDebounceSt_A 7014086 80 0 0
EnterDetectSt_A 7014086 72 0 0
EnterStableSt_A 7014086 70 0 0
PulseIsPulse_A 7014086 70 0 0
StayInStableSt 7014086 48541 0 0
gen_high_level_sva.HighLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 39 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 151 0 0
T3 481 2 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 4 0 0
T10 0 2 0 0
T21 0 2 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 4 0 0
T48 0 2 0 0
T50 0 4 0 0
T51 0 2 0 0
T54 0 2 0 0
T56 0 2 0 0
T74 403 0 0 0
T81 405 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 70575 0 0
T3 481 13 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 24 0 0
T10 0 21 0 0
T21 0 32 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 106 0 0
T48 0 36 0 0
T50 0 150 0 0
T51 0 88 0 0
T54 0 67 0 0
T56 0 39 0 0
T74 403 0 0 0
T81 405 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364699 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 78 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 1 0 0
T272 34918 1 0 0
T273 406 0 0 0
T274 17227 0 0 0
T275 427 0 0 0
T276 416 0 0 0
T277 505 0 0 0
T278 491 0 0 0
T279 7222 0 0 0
T280 597 0 0 0
T281 520 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 48641 0 0
T3 481 42 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 10 0 0
T10 0 66 0 0
T21 0 5 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 86 0 0
T46 0 302 0 0
T48 0 104 0 0
T50 0 83 0 0
T51 0 187 0 0
T54 0 2 0 0
T74 403 0 0 0
T81 405 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 70 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 1 0 0
T50 0 2 0 0
T51 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6052685 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 4 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6055018 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 4 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 80 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 2 0 0
T48 0 1 0 0
T50 0 2 0 0
T51 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 72 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 2 0 0
T48 0 1 0 0
T50 0 2 0 0
T51 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 70 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 1 0 0
T50 0 2 0 0
T51 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 70 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 2 0 0
T46 0 1 0 0
T48 0 1 0 0
T50 0 2 0 0
T51 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 48541 0 0
T3 481 40 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 8 0 0
T10 0 65 0 0
T21 0 4 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T45 0 83 0 0
T46 0 300 0 0
T48 0 102 0 0
T50 0 80 0 0
T51 0 185 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 39 0 0
T8 627 2 0 0
T10 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T45 0 1 0 0
T47 0 1 0 0
T50 0 1 0 0
T54 0 1 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T121 0 1 0 0
T125 0 1 0 0
T126 0 1 0 0
T215 0 1 0 0
T220 411 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T1 T2 T13  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T2 T4  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 T45 T49  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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: T1 T2 T4  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T2 T4  129 1/1 cnt_en = 1'b0; Tests: T1 T2 T4  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T2 T4  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T2 T4  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T2 T4  139 140 1/1 unique case (state_q) Tests: T1 T2 T4  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: T1 T2 T4  148 1/1 state_d = DebounceSt; Tests: T10 T45 T49  149 1/1 cnt_en = 1'b1; Tests: T10 T45 T49  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T10 T45 T49  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T10 T45 T49  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T10 T45 T49  166 1/1 cnt_clr = 1'b1; Tests: T10 T45 T49  167 1/1 if (trigger_active) begin Tests: T10 T45 T49  168 1/1 state_d = DetectSt; Tests: T10 T45 T49  169 end else begin 170 1/1 state_d = IdleSt; Tests: T215 T219  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 T45 T49  182 1/1 cnt_en = 1'b1; Tests: T10 T45 T49  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T10 T45 T49  186 1/1 state_d = IdleSt; Tests: T45 T250  187 1/1 cnt_clr = 1'b1; Tests: T45 T250  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T10 T49 T21  191 1/1 state_d = StableSt; Tests: T10 T49 T21  192 1/1 cnt_clr = 1'b1; Tests: T10 T49 T21  193 1/1 event_detected_o = 1'b1; Tests: T10 T49 T21  194 1/1 event_detected_pulse_o = 1'b1; Tests: T10 T49 T21  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 T49 T21  206 1/1 state_d = IdleSt; Tests: T49 T21 T56  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T10 T49 T21  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: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

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

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT1,T2,T13
1CoveredT1,T2,T4

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T2,T13
10CoveredT1,T2,T4
11CoveredT1,T2,T4

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT10,T45,T49

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT10,T45,T49

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT10,T45,T49

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T10,T51
10CoveredT1,T2,T13
11CoveredT10,T45,T49

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT10,T49,T21
01CoveredT45,T250
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT10,T49,T21
01CoveredT49,T50,T125
10CoveredT21,T56

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT10,T49,T21
1-CoveredT49,T50,T125

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

State, Transition and Sequence Details for FSM :: state_q
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T10,T45,T49
DetectSt 168 Covered T10,T45,T49
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T10,T49,T21


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T10,T45,T49
DebounceSt->IdleSt 163 Covered T215,T219
DetectSt->IdleSt 186 Covered T45,T250
DetectSt->StableSt 191 Covered T10,T49,T21
IdleSt->DebounceSt 148 Covered T10,T45,T49
StableSt->IdleSt 206 Covered T49,T21,T56



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[4].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T10,T45,T49
0 1 Covered T10,T45,T49
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T10,T45,T49
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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,T45,T49
IdleSt 0 - - - - - - Covered T1,T2,T4
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T10,T45,T49
DebounceSt - 0 1 0 - - - Covered T215,T219
DebounceSt - 0 0 - - - - Covered T10,T45,T49
DetectSt - - - - 1 - - Covered T45,T250
DetectSt - - - - 0 1 - Covered T10,T49,T21
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T49,T21,T56
StableSt - - - - - - 0 Covered T10,T49,T21
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 T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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




Assertion Details

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 96 0 0
CntIncr_A 7014086 2693 0 0
CntNoWrap_A 7014086 6364754 0 0
DetectStDropOut_A 7014086 2 0 0
DetectedOut_A 7014086 3294 0 0
DetectedPulseOut_A 7014086 45 0 0
DisabledIdleSt_A 7014086 6266638 0 0
DisabledNoDetection_A 7014086 6268972 0 0
EnterDebounceSt_A 7014086 49 0 0
EnterDetectSt_A 7014086 47 0 0
EnterStableSt_A 7014086 45 0 0
PulseIsPulse_A 7014086 45 0 0
StayInStableSt 7014086 3222 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7014086 6357 0 0
gen_low_level_sva.LowLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 16 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 96 0 0
T10 558 2 0 0
T11 30017 0 0 0
T21 0 2 0 0
T45 0 2 0 0
T49 0 4 0 0
T50 0 2 0 0
T51 1595 0 0 0
T55 0 2 0 0
T56 0 2 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 4 0 0
T221 0 2 0 0
T246 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 2693 0 0
T10 558 21 0 0
T11 30017 0 0 0
T21 0 32 0 0
T45 0 53 0 0
T49 0 78 0 0
T50 0 75 0 0
T51 1595 0 0 0
T55 0 72 0 0
T56 0 39 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 36 0 0
T221 0 62 0 0
T246 0 140 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364754 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 80 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 2 0 0
T45 738 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T250 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3294 0 0
T10 558 40 0 0
T11 30017 0 0 0
T21 0 5 0 0
T49 0 85 0 0
T50 0 29 0 0
T51 1595 0 0 0
T55 0 39 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 88 0 0
T221 0 38 0 0
T246 0 24 0 0
T287 0 53 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 45 0 0
T10 558 1 0 0
T11 30017 0 0 0
T21 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 1595 0 0 0
T55 0 1 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 2 0 0
T221 0 1 0 0
T246 0 2 0 0
T287 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6266638 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 4 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6268972 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 4 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 49 0 0
T10 558 1 0 0
T11 30017 0 0 0
T21 0 1 0 0
T45 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 1595 0 0 0
T55 0 1 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 2 0 0
T221 0 1 0 0
T246 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 47 0 0
T10 558 1 0 0
T11 30017 0 0 0
T21 0 1 0 0
T45 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 1595 0 0 0
T55 0 1 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 2 0 0
T221 0 1 0 0
T246 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 45 0 0
T10 558 1 0 0
T11 30017 0 0 0
T21 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 1595 0 0 0
T55 0 1 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 2 0 0
T221 0 1 0 0
T246 0 2 0 0
T287 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 45 0 0
T10 558 1 0 0
T11 30017 0 0 0
T21 0 1 0 0
T49 0 2 0 0
T50 0 1 0 0
T51 1595 0 0 0
T55 0 1 0 0
T56 0 1 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T125 0 2 0 0
T221 0 1 0 0
T246 0 2 0 0
T287 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3222 0 0
T10 558 38 0 0
T11 30017 0 0 0
T21 0 4 0 0
T49 0 82 0 0
T50 0 28 0 0
T51 1595 0 0 0
T55 0 37 0 0
T58 692 0 0 0
T59 509 0 0 0
T84 507 0 0 0
T93 425 0 0 0
T94 8443 0 0 0
T95 448 0 0 0
T101 409 0 0 0
T117 0 184 0 0
T125 0 85 0 0
T221 0 36 0 0
T246 0 22 0 0
T287 0 51 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6357 0 0
T1 509 1 0 0
T2 486 1 0 0
T3 481 0 0 0
T4 666 0 0 0
T7 0 1 0 0
T12 747 0 0 0
T13 523 4 0 0
T14 412 1 0 0
T15 423 2 0 0
T16 1038 0 0 0
T17 426 1 0 0
T22 0 10 0 0
T23 0 7 0 0
T31 0 1 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 16 0 0
T21 7856 0 0 0
T32 20109 0 0 0
T49 664 1 0 0
T50 0 1 0 0
T72 1746 0 0 0
T76 488 0 0 0
T77 524 0 0 0
T125 0 1 0 0
T157 427 0 0 0
T158 403 0 0 0
T159 507 0 0 0
T160 524 0 0 0
T171 0 1 0 0
T205 0 1 0 0
T208 0 1 0 0
T219 0 1 0 0
T222 0 1 0 0
T246 0 2 0 0
T288 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
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: T1 T2 T13  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T2 T13  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T3 T8 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: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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: T1 T2 T13  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T2 T13  129 1/1 cnt_en = 1'b0; Tests: T1 T2 T13  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T2 T13  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T2 T13  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T2 T13  139 140 1/1 unique case (state_q) Tests: T1 T2 T13  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T1 T2 T13  148 1/1 state_d = DebounceSt; Tests: T3 T8 T10  149 1/1 cnt_en = 1'b1; Tests: T3 T8 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 T8 T10  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T3 T8 T10  163 1/1 state_d = IdleSt; Tests: T56  164 1/1 cnt_clr = 1'b1; Tests: T56  165 1/1 end else if (cnt_done) begin Tests: T3 T8 T10  166 1/1 cnt_clr = 1'b1; Tests: T3 T8 T10  167 1/1 if (trigger_active) begin Tests: T3 T8 T10  168 1/1 state_d = DetectSt; Tests: T3 T8 T10  169 end else begin 170 1/1 state_d = IdleSt; Tests: T49 T191 T288  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 T8 T10  182 1/1 cnt_en = 1'b1; Tests: T3 T8 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 T8 T10  186 1/1 state_d = IdleSt; Tests: T189  187 1/1 cnt_clr = 1'b1; Tests: T189  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T3 T8 T10  191 1/1 state_d = StableSt; Tests: T3 T8 T10  192 1/1 cnt_clr = 1'b1; Tests: T3 T8 T10  193 1/1 event_detected_o = 1'b1; Tests: T3 T8 T10  194 1/1 event_detected_pulse_o = 1'b1; Tests: T3 T8 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 T8 T10  206 1/1 state_d = IdleSt; Tests: T8 T10 T21  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T3 T8 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: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

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

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT1,T2,T13

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T2,T4
10CoveredT1,T2,T13
11CoveredT1,T2,T13

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT3,T8,T10

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT3,T8,T10

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT3,T8,T10

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T8,T10
10CoveredT1,T2,T13
11CoveredT3,T8,T10

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT3,T8,T10
01CoveredT189
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT3,T8,T10
01CoveredT8,T10,T52
10CoveredT21

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT3,T8,T10
1-CoveredT8,T10,T52

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
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T3,T8,T10
DetectSt 168 Covered T3,T8,T10
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T3,T8,T10


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T3,T8,T10
DebounceSt->IdleSt 163 Covered T49,T56,T191
DetectSt->IdleSt 186 Covered T189
DetectSt->StableSt 191 Covered T3,T8,T10
IdleSt->DebounceSt 148 Covered T3,T8,T10
StableSt->IdleSt 206 Covered T8,T10,T21



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T3,T8,T10
0 1 Covered T3,T8,T10
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T3,T8,T10
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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,T8,T10
IdleSt 0 - - - - - - Covered T1,T2,T13
DebounceSt - 1 - - - - - Covered T56
DebounceSt - 0 1 1 - - - Covered T3,T8,T10
DebounceSt - 0 1 0 - - - Covered T49,T191,T288
DebounceSt - 0 0 - - - - Covered T3,T8,T10
DetectSt - - - - 1 - - Covered T189
DetectSt - - - - 0 1 - Covered T3,T8,T10
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T10,T21
StableSt - - - - - - 0 Covered T3,T8,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 T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 162 0 0
CntIncr_A 7014086 39822 0 0
CntNoWrap_A 7014086 6364688 0 0
DetectStDropOut_A 7014086 1 0 0
DetectedOut_A 7014086 20076 0 0
DetectedPulseOut_A 7014086 78 0 0
DisabledIdleSt_A 7014086 6241595 0 0
DisabledNoDetection_A 7014086 6243934 0 0
EnterDebounceSt_A 7014086 83 0 0
EnterDetectSt_A 7014086 79 0 0
EnterStableSt_A 7014086 78 0 0
PulseIsPulse_A 7014086 78 0 0
StayInStableSt 7014086 19965 0 0
gen_high_level_sva.HighLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 44 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 162 0 0
T3 481 2 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 4 0 0
T10 0 2 0 0
T21 0 2 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T49 0 3 0 0
T50 0 2 0 0
T52 0 2 0 0
T54 0 2 0 0
T56 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 39822 0 0
T3 481 13 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 24 0 0
T10 0 21 0 0
T21 0 32 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T49 0 78 0 0
T50 0 75 0 0
T52 0 22 0 0
T54 0 67 0 0
T56 0 39 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 49 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364688 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 78 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 1 0 0
T116 1159 0 0 0
T134 19607 0 0 0
T189 795 1 0 0
T229 512 0 0 0
T289 502 0 0 0
T290 1367 0 0 0
T291 505 0 0 0
T292 526 0 0 0
T293 490 0 0 0
T294 435 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 20076 0 0
T3 481 58 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 103 0 0
T10 0 52 0 0
T21 0 6 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 87 0 0
T49 0 101 0 0
T50 0 43 0 0
T52 0 1 0 0
T54 0 9 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 38 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 78 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6241595 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 4 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6243934 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 4 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 83 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T49 0 2 0 0
T50 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T56 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 79 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 78 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 78 0 0
T3 481 1 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 2 0 0
T10 0 1 0 0
T21 0 1 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 2 0 0
T49 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T54 0 1 0 0
T74 403 0 0 0
T81 405 0 0 0
T217 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 19965 0 0
T3 481 56 0 0
T5 689 0 0 0
T7 506 0 0 0
T8 0 100 0 0
T10 0 51 0 0
T21 0 5 0 0
T22 491 0 0 0
T23 497 0 0 0
T25 502 0 0 0
T26 501 0 0 0
T31 448 0 0 0
T46 0 84 0 0
T49 0 99 0 0
T50 0 41 0 0
T54 0 7 0 0
T74 403 0 0 0
T81 405 0 0 0
T115 0 67 0 0
T217 0 36 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T8 627 1 0 0
T10 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T46 0 1 0 0
T52 0 1 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T189 0 1 0 0
T192 0 2 0 0
T220 411 0 0 0
T246 0 2 0 0
T254 0 2 0 0
T287 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL4646100.00
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS1253232100.00
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T1 T2 T13  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T2 T4  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: T45 T21 T48  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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: T1 T2 T4  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T2 T4  129 1/1 cnt_en = 1'b0; Tests: T1 T2 T4  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T2 T4  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T2 T4  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T2 T4  139 140 1/1 unique case (state_q) Tests: T1 T2 T4  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: T1 T2 T4  148 1/1 state_d = DebounceSt; Tests: T45 T21 T48  149 1/1 cnt_en = 1'b1; Tests: T45 T21 T48  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: T45 T21 T48  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T45 T21 T48  163 1/1 state_d = IdleSt; Tests: T56  164 1/1 cnt_clr = 1'b1; Tests: T56  165 1/1 end else if (cnt_done) begin Tests: T45 T21 T48  166 1/1 cnt_clr = 1'b1; Tests: T45 T21 T48  167 1/1 if (trigger_active) begin Tests: T45 T21 T48  168 1/1 state_d = DetectSt; Tests: T45 T21 T48  169 end else begin 170 1/1 state_d = IdleSt; Tests: T219 T295  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T45 T21 T48  182 1/1 cnt_en = 1'b1; Tests: T45 T21 T48  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T45 T21 T48  186 1/1 state_d = IdleSt; Tests: T180  187 1/1 cnt_clr = 1'b1; Tests: T180  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T45 T21 T48  191 1/1 state_d = StableSt; Tests: T45 T21 T48  192 1/1 cnt_clr = 1'b1; Tests: T45 T21 T48  193 1/1 event_detected_o = 1'b1; Tests: T45 T21 T48  194 1/1 event_detected_pulse_o = 1'b1; Tests: T45 T21 T48  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T45 T21 T48  206 1/1 state_d = IdleSt; Tests: T21 T46 T254  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T45 T21 T48  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[5].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT1,T2,T13
1CoveredT1,T2,T4

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T2,T13
10CoveredT1,T2,T4
11CoveredT1,T2,T4

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT45,T21,T48

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT45,T21,T48

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT45,T21,T48

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT45,T21,T48
10CoveredT1,T2,T13
11CoveredT45,T21,T48

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT45,T21,T48
01CoveredT180
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT45,T21,T48
01CoveredT46,T254,T192
10CoveredT21

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT45,T21,T48
1-CoveredT46,T254,T192

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 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T45,T21,T48
DetectSt 168 Covered T45,T21,T48
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T45,T21,T48


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T45,T21,T48
DebounceSt->IdleSt 163 Covered T56,T219,T295
DetectSt->IdleSt 186 Covered T180
DetectSt->StableSt 191 Covered T45,T21,T48
IdleSt->DebounceSt 148 Covered T45,T21,T48
StableSt->IdleSt 206 Covered T21,T46,T115



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T45,T21,T48
0 1 Covered T45,T21,T48
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T45,T21,T48
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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 T45,T21,T48
IdleSt 0 - - - - - - Covered T1,T2,T4
DebounceSt - 1 - - - - - Covered T56
DebounceSt - 0 1 1 - - - Covered T45,T21,T48
DebounceSt - 0 1 0 - - - Covered T219,T295
DebounceSt - 0 0 - - - - Covered T45,T21,T48
DetectSt - - - - 1 - - Covered T180
DetectSt - - - - 0 1 - Covered T45,T21,T48
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T21,T46,T254
StableSt - - - - - - 0 Covered T45,T21,T48
default - - - - - - - Excluded VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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




Assertion Details

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 93 0 0
CntIncr_A 7014086 2611 0 0
CntNoWrap_A 7014086 6364757 0 0
DetectStDropOut_A 7014086 1 0 0
DetectedOut_A 7014086 3168 0 0
DetectedPulseOut_A 7014086 44 0 0
DisabledIdleSt_A 7014086 6331905 0 0
DisabledNoDetection_A 7014086 6334236 0 0
EnterDebounceSt_A 7014086 48 0 0
EnterDetectSt_A 7014086 45 0 0
EnterStableSt_A 7014086 44 0 0
PulseIsPulse_A 7014086 44 0 0
StayInStableSt 7014086 3096 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7014086 6396 0 0
gen_low_level_sva.LowLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 15 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 93 0 0
T21 0 2 0 0
T45 738 2 0 0
T46 0 2 0 0
T48 0 2 0 0
T56 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 2 0 0
T121 0 2 0 0
T192 0 4 0 0
T254 0 4 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 2611 0 0
T21 0 32 0 0
T45 738 53 0 0
T46 0 84 0 0
T48 0 36 0 0
T56 0 39 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 67 0 0
T121 0 69 0 0
T192 0 178 0 0
T254 0 34 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 28 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364757 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 80 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 1 0 0
T180 133047 1 0 0
T296 425 0 0 0
T297 29514 0 0 0
T298 509 0 0 0
T299 402 0 0 0
T300 939 0 0 0
T301 27671 0 0 0
T302 492 0 0 0
T303 652 0 0 0
T304 5070 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3168 0 0
T21 0 6 0 0
T45 738 100 0 0
T46 0 44 0 0
T48 0 43 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 111 0 0
T117 0 1 0 0
T121 0 38 0 0
T192 0 254 0 0
T254 0 83 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 52 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 1 0 0
T48 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 1 0 0
T117 0 1 0 0
T121 0 1 0 0
T192 0 2 0 0
T254 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6331905 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 80 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6334236 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 48 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 1 0 0
T48 0 1 0 0
T56 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 1 0 0
T121 0 1 0 0
T192 0 2 0 0
T254 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 45 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 1 0 0
T48 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 1 0 0
T117 0 1 0 0
T121 0 1 0 0
T192 0 2 0 0
T254 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 1 0 0
T48 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 1 0 0
T117 0 1 0 0
T121 0 1 0 0
T192 0 2 0 0
T254 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 1 0 0
T48 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 1 0 0
T117 0 1 0 0
T121 0 1 0 0
T192 0 2 0 0
T254 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3096 0 0
T21 0 5 0 0
T45 738 98 0 0
T46 0 43 0 0
T48 0 41 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T115 0 109 0 0
T121 0 36 0 0
T192 0 251 0 0
T254 0 80 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 50 0 0
T305 0 40 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6396 0 0
T1 509 1 0 0
T2 486 1 0 0
T3 481 0 0 0
T4 666 0 0 0
T7 0 1 0 0
T12 747 0 0 0
T13 523 6 0 0
T14 412 1 0 0
T15 423 3 0 0
T16 1038 0 0 0
T17 426 3 0 0
T22 0 10 0 0
T23 0 7 0 0
T31 0 1 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 15 0 0
T46 1163 1 0 0
T97 735 0 0 0
T115 5277 0 0 0
T117 0 1 0 0
T162 1182 0 0 0
T192 0 1 0 0
T219 0 3 0 0
T223 0 1 0 0
T254 0 1 0 0
T261 0 1 0 0
T264 0 1 0 0
T305 0 1 0 0
T306 0 1 0 0
T307 502 0 0 0
T308 426 0 0 0
T309 402 0 0 0
T310 497 0 0 0
T311 433 0 0 0
T312 524 0 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 T12 T13  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T12 T13  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T8 T10 T21  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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 T12 T13  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T12 T13  129 1/1 cnt_en = 1'b0; Tests: T4 T12 T13  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T12 T13  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T12 T13  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T12 T13  139 140 1/1 unique case (state_q) Tests: T4 T12 T13  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T12 T13  148 1/1 state_d = DebounceSt; Tests: T8 T10 T21  149 1/1 cnt_en = 1'b1; Tests: T8 T10 T21  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T8 T10 T21  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T8 T10 T21  163 1/1 state_d = IdleSt; Tests: T56  164 1/1 cnt_clr = 1'b1; Tests: T56  165 1/1 end else if (cnt_done) begin Tests: T8 T10 T21  166 1/1 cnt_clr = 1'b1; Tests: T8 T10 T21  167 1/1 if (trigger_active) begin Tests: T8 T10 T21  168 1/1 state_d = DetectSt; Tests: T8 T21 T53  169 end else begin 170 1/1 state_d = IdleSt; Tests: T10 T221 T171  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T8 T21 T53  182 1/1 cnt_en = 1'b1; Tests: T8 T21 T53  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T8 T21 T53  186 1/1 state_d = IdleSt; Tests: T126 T117 T206  187 1/1 cnt_clr = 1'b1; Tests: T126 T117 T206  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T8 T21 T53  191 1/1 state_d = StableSt; Tests: T8 T21 T53  192 1/1 cnt_clr = 1'b1; Tests: T8 T21 T53  193 1/1 event_detected_o = 1'b1; Tests: T8 T21 T53  194 1/1 event_detected_pulse_o = 1'b1; Tests: T8 T21 T53  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T8 T21 T53  206 1/1 state_d = IdleSt; Tests: T8 T21 T54  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T8 T21 T53  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT4,T12,T13

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT1,T2,T4
10CoveredT4,T12,T13
11CoveredT4,T12,T13

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT8,T10,T21

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT8,T10,T21

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT8,T21,T53

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T8,T10
10CoveredT4,T12,T13
11CoveredT8,T10,T21

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT8,T21,T53
01CoveredT126,T117,T206
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT8,T21,T53
01CoveredT8,T54,T50
10CoveredT21

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT8,T21,T53
1-CoveredT8,T54,T50

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
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T8,T10,T21
DetectSt 168 Covered T8,T21,T53
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T8,T21,T53


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T8,T21,T53
DebounceSt->IdleSt 163 Covered T10,T56,T221
DetectSt->IdleSt 186 Covered T126,T117,T206
DetectSt->StableSt 191 Covered T8,T21,T53
IdleSt->DebounceSt 148 Covered T8,T10,T21
StableSt->IdleSt 206 Covered T8,T21,T54



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T8,T10,T21
0 1 Covered T8,T10,T21
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T8,T21,T53
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T8,T10,T21
IdleSt 0 - - - - - - Covered T4,T12,T13
DebounceSt - 1 - - - - - Covered T56
DebounceSt - 0 1 1 - - - Covered T8,T21,T53
DebounceSt - 0 1 0 - - - Covered T10,T221,T171
DebounceSt - 0 0 - - - - Covered T8,T10,T21
DetectSt - - - - 1 - - Covered T126,T117,T206
DetectSt - - - - 0 1 - Covered T8,T21,T53
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T21,T54
StableSt - - - - - - 0 Covered T8,T21,T53
default - - - - - - - Excluded VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 152 0 0
CntIncr_A 7014086 98341 0 0
CntNoWrap_A 7014086 6364698 0 0
DetectStDropOut_A 7014086 3 0 0
DetectedOut_A 7014086 219602 0 0
DetectedPulseOut_A 7014086 67 0 0
DisabledIdleSt_A 7014086 5983891 0 0
DisabledNoDetection_A 7014086 5986225 0 0
EnterDebounceSt_A 7014086 83 0 0
EnterDetectSt_A 7014086 70 0 0
EnterStableSt_A 7014086 67 0 0
PulseIsPulse_A 7014086 67 0 0
StayInStableSt 7014086 219506 0 0
gen_high_level_sva.HighLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 37 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 152 0 0
T8 627 4 0 0
T10 0 2 0 0
T21 0 2 0 0
T24 490 0 0 0
T29 456 0 0 0
T50 0 2 0 0
T52 0 2 0 0
T53 0 2 0 0
T54 0 6 0 0
T56 0 1 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 2 0 0
T217 0 2 0 0
T220 411 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 98341 0 0
T8 627 24 0 0
T10 0 42 0 0
T21 0 32 0 0
T24 490 0 0 0
T29 456 0 0 0
T50 0 75 0 0
T52 0 22 0 0
T53 0 90 0 0
T54 0 201 0 0
T56 0 39 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 67 0 0
T217 0 49 0 0
T220 411 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364698 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 80 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3 0 0
T117 0 1 0 0
T126 2725 1 0 0
T206 0 1 0 0
T218 488 0 0 0
T313 654 0 0 0
T314 502 0 0 0
T315 437 0 0 0
T316 422 0 0 0
T317 505 0 0 0
T318 22596 0 0 0
T319 885 0 0 0
T320 402 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 219602 0 0
T8 627 175 0 0
T21 0 6 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 165 0 0
T50 0 146 0 0
T52 0 38 0 0
T53 0 216 0 0
T54 0 159 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 43 0 0
T126 0 360 0 0
T217 0 43 0 0
T220 411 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 67 0 0
T8 627 2 0 0
T21 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 3 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T126 0 1 0 0
T217 0 1 0 0
T220 411 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 5983891 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 4 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 5986225 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 4 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 83 0 0
T8 627 2 0 0
T10 0 2 0 0
T21 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 3 0 0
T56 0 1 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T217 0 1 0 0
T220 411 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 70 0 0
T8 627 2 0 0
T21 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 3 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T126 0 2 0 0
T217 0 1 0 0
T220 411 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 67 0 0
T8 627 2 0 0
T21 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 3 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T126 0 1 0 0
T217 0 1 0 0
T220 411 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 67 0 0
T8 627 2 0 0
T21 0 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 1 0 0
T50 0 1 0 0
T52 0 1 0 0
T53 0 1 0 0
T54 0 3 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 1 0 0
T126 0 1 0 0
T217 0 1 0 0
T220 411 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 219506 0 0
T8 627 172 0 0
T21 0 5 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 164 0 0
T50 0 145 0 0
T52 0 36 0 0
T53 0 214 0 0
T54 0 155 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T115 0 41 0 0
T126 0 358 0 0
T217 0 42 0 0
T220 411 0 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 37 0 0
T8 627 1 0 0
T24 490 0 0 0
T29 456 0 0 0
T47 0 1 0 0
T50 0 1 0 0
T54 0 2 0 0
T57 443 0 0 0
T66 406 0 0 0
T67 424 0 0 0
T68 818 0 0 0
T69 615 0 0 0
T82 527 0 0 0
T117 0 1 0 0
T191 0 1 0 0
T215 0 2 0 0
T217 0 1 0 0
T219 0 2 0 0
T220 411 0 0 0
T222 0 2 0 0

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

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T12 T13  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T1 T2 T4  70 1/1 trigger_active_q <= 1'b0; Tests: T1 T2 T4  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T1 T2 T4  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T1 T2 T4  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: T45 T21 T56  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T1 T2 T3  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T1 T2 T3  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T1 T2 T4  105 1/1 cnt_q <= '0; Tests: T1 T2 T4  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T1 T2 T4  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: T1 T2 T4  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T1 T2 T4  129 1/1 cnt_en = 1'b0; Tests: T1 T2 T4  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T1 T2 T4  133 1/1 event_detected_pulse_o = 1'b0; Tests: T1 T2 T4  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T1 T2 T4  139 140 1/1 unique case (state_q) Tests: T1 T2 T4  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: T1 T2 T4  148 1/1 state_d = DebounceSt; Tests: T45 T21 T56  149 1/1 cnt_en = 1'b1; Tests: T45 T21 T56  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: T45 T21 T56  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T45 T21 T56  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T45 T21 T56  166 1/1 cnt_clr = 1'b1; Tests: T45 T21 T56  167 1/1 if (trigger_active) begin Tests: T45 T21 T56  168 1/1 state_d = DetectSt; Tests: T45 T21 T56  169 end else begin 170 1/1 state_d = IdleSt; Tests: T215  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T45 T21 T56  182 1/1 cnt_en = 1'b1; Tests: T45 T21 T56  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T45 T21 T56  186 1/1 state_d = IdleSt; Tests: T56  187 1/1 cnt_clr = 1'b1; Tests: T56  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T45 T21 T46  191 1/1 state_d = StableSt; Tests: T45 T21 T46  192 1/1 cnt_clr = 1'b1; Tests: T45 T21 T46  193 1/1 event_detected_o = 1'b1; Tests: T45 T21 T46  194 1/1 event_detected_pulse_o = 1'b1; Tests: T45 T21 T46  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T45 T21 T46  206 1/1 state_d = IdleSt; Tests: T21 T46 T126  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T45 T21 T46  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: T1 T2 T4  220 1/1 state_q <= IdleSt; Tests: T1 T2 T4  221 end else begin 222 1/1 state_q <= state_d; Tests: T1 T2 T4 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[6].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T12,T13
1CoveredT1,T2,T4

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T12,T13
10CoveredT1,T2,T4
11CoveredT1,T2,T4

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT45,T21,T56

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT1,T2,T4 VC_COV_UNR
1CoveredT45,T21,T56

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT1,T2,T4
1CoveredT45,T21,T56

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT3,T51,T45
10CoveredT4,T12,T13
11CoveredT45,T21,T56

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT45,T21,T46
01Not Covered
10CoveredT56

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT45,T21,T46
01CoveredT46,T126,T117
10CoveredT21

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT45,T21,T46
1-CoveredT46,T126,T117

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
states   Line No.   Covered   Tests   
DebounceSt 148 Covered T45,T21,T56
DetectSt 168 Covered T45,T21,T56
IdleSt 163 Covered T1,T2,T4
StableSt 191 Covered T45,T21,T46


transitions   Line No.   Covered   Tests   
DebounceSt->DetectSt 168 Covered T45,T21,T56
DebounceSt->IdleSt 163 Covered T215
DetectSt->IdleSt 186 Covered T56
DetectSt->StableSt 191 Covered T45,T21,T46
IdleSt->DebounceSt 148 Covered T45,T21,T56
StableSt->IdleSt 206 Covered T21,T46,T100



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T45,T21,T56
0 1 Covered T45,T21,T56
0 0 Excluded T1,T2,T4 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T45,T21,T56
0 Covered T1,T2,T4


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

Branches:
-1-StatusTests
1 Covered T1,T2,T4
0 Covered T1,T2,T4


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 T45,T21,T56
IdleSt 0 - - - - - - Covered T1,T2,T4
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T45,T21,T56
DebounceSt - 0 1 0 - - - Covered T215
DebounceSt - 0 0 - - - - Covered T45,T21,T56
DetectSt - - - - 1 - - Covered T56
DetectSt - - - - 0 1 - Covered T45,T21,T46
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T21,T46,T126
StableSt - - - - - - 0 Covered T45,T21,T46
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 T1,T2,T4
0 Covered T1,T2,T4


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 T1,T2,T4
0 Covered T1,T2,T4


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




Assertion Details

Name   Attempts   Real Successes   Failures   Incomplete   
CntClr_A 7014086 91 0 0
CntIncr_A 7014086 6147 0 0
CntNoWrap_A 7014086 6364759 0 0
DetectStDropOut_A 7014086 0 0 0
DetectedOut_A 7014086 3667 0 0
DetectedPulseOut_A 7014086 44 0 0
DisabledIdleSt_A 7014086 6147528 0 0
DisabledNoDetection_A 7014086 6149863 0 0
EnterDebounceSt_A 7014086 46 0 0
EnterDetectSt_A 7014086 45 0 0
EnterStableSt_A 7014086 44 0 0
PulseIsPulse_A 7014086 44 0 0
StayInStableSt 7014086 3594 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 7014086 7110 0 0
gen_low_level_sva.LowLevelEvent_A 7014086 6367248 0 0
gen_not_sticky_sva.StableStDropOut_A 7014086 14 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 91 0 0
T21 0 2 0 0
T45 738 2 0 0
T46 0 4 0 0
T47 0 2 0 0
T56 0 2 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 2 0 0
T126 0 2 0 0
T215 0 3 0 0
T246 0 2 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6147 0 0
T21 0 32 0 0
T45 738 53 0 0
T46 0 168 0 0
T47 0 39 0 0
T56 0 39 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 54 0 0
T126 0 59 0 0
T215 0 198 0 0
T246 0 70 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 28 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6364759 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 80 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3667 0 0
T21 0 7 0 0
T45 738 100 0 0
T46 0 89 0 0
T47 0 40 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 91 0 0
T117 0 230 0 0
T126 0 43 0 0
T215 0 41 0 0
T246 0 124 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 121 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 1 0 0
T117 0 3 0 0
T126 0 1 0 0
T215 0 1 0 0
T246 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6147528 0 0
T1 509 108 0 0
T2 486 85 0 0
T3 481 4 0 0
T4 666 265 0 0
T12 747 346 0 0
T13 523 122 0 0
T14 412 11 0 0
T15 423 22 0 0
T16 1038 637 0 0
T17 426 25 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6149863 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 4 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 46 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T56 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 1 0 0
T126 0 1 0 0
T215 0 2 0 0
T246 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 45 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T56 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 1 0 0
T126 0 1 0 0
T215 0 1 0 0
T246 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 1 0 0
T117 0 3 0 0
T126 0 1 0 0
T215 0 1 0 0
T246 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 44 0 0
T21 0 1 0 0
T45 738 1 0 0
T46 0 2 0 0
T47 0 1 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 1 0 0
T117 0 3 0 0
T126 0 1 0 0
T215 0 1 0 0
T246 0 1 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 3594 0 0
T21 0 6 0 0
T45 738 98 0 0
T46 0 86 0 0
T47 0 38 0 0
T85 522 0 0 0
T86 504 0 0 0
T87 504 0 0 0
T98 4402 0 0 0
T100 0 89 0 0
T117 0 225 0 0
T126 0 42 0 0
T215 0 39 0 0
T246 0 122 0 0
T282 416 0 0 0
T283 425 0 0 0
T284 755 0 0 0
T285 547 0 0 0
T286 432 0 0 0
T287 0 119 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 7110 0 0
T3 481 0 0 0
T4 666 3 0 0
T5 0 2 0 0
T12 747 5 0 0
T13 523 5 0 0
T14 412 2 0 0
T15 423 3 0 0
T16 1038 0 0 0
T17 426 1 0 0
T22 491 6 0 0
T23 0 7 0 0
T25 0 4 0 0
T31 448 0 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 6367248 0 0
T1 509 109 0 0
T2 486 86 0 0
T3 481 81 0 0
T4 666 266 0 0
T12 747 347 0 0
T13 523 123 0 0
T14 412 12 0 0
T15 423 23 0 0
T16 1038 638 0 0
T17 426 26 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 7014086 14 0 0
T46 1163 1 0 0
T97 735 0 0 0
T115 5277 0 0 0
T117 0 1 0 0
T126 0 1 0 0
T140 0 1 0 0
T162 1182 0 0 0
T203 0 1 0 0
T204 0 1 0 0
T206 0 1 0 0
T209 0 1 0 0
T249 0 1 0 0
T307 502 0 0 0
T308 426 0 0 0
T309 402 0 0 0
T310 497 0 0 0
T311 433 0 0 0
T312 524 0 0 0
T321 0 1 0 0