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Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.69 91.30 90.48 83.33 90.00 93.33


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.69 91.30 90.48 83.33 90.00 93.33


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].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[2].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.77 91.30 90.48 83.33 90.00 93.75


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
89.77 91.30 90.48 83.33 90.00 93.75


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
97.18 95.65 95.24 100.00 95.00 100.00


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


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 u_sysrst_ctrl_keyintr


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
no children


Module Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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

Go back
Module Instances:
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464291.30
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T1 T44 T46  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T1 T44 T46  149 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T1 T44 T46  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T1 T44 T46  166 1/1 cnt_clr = 1'b1; Tests: T1 T44 T46  167 1/1 if (trigger_active) begin Tests: T1 T44 T46  168 1/1 state_d = DetectSt; Tests: T1 T44 T46  169 end else begin 170 1/1 state_d = IdleSt; Tests: T195  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T1 T44 T46  182 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T1 T44 T46  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T1 T44 T46  191 1/1 state_d = StableSt; Tests: T1 T44 T46  192 1/1 cnt_clr = 1'b1; Tests: T1 T44 T46  193 1/1 event_detected_o = 1'b1; Tests: T1 T44 T46  194 1/1 event_detected_pulse_o = 1'b1; Tests: T1 T44 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: T1 T44 T46  206 1/1 state_d = IdleSt; Tests: T44 T46 T48  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T1 T44 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: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T44,T46

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT1,T44,T46

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T44,T46

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T12,T44
10CoveredT4,T5,T6
11CoveredT1,T44,T46

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT1,T44,T46
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT1,T44,T46
01CoveredT46,T48,T171
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT1,T44,T46
1-CoveredT46,T48,T171

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T1,T44,T46
DetectSt 168 Covered T1,T44,T46
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T1,T44,T46


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T1,T44,T46
DebounceSt->IdleSt 163 Covered T195
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T1,T44,T46
IdleSt->DebounceSt 148 Covered T1,T44,T46
StableSt->IdleSt 206 Covered T44,T46,T48



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 18 90.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 8 80.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T1,T44,T46
0 1 Covered T1,T44,T46
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T1,T44,T46
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T1,T44,T46
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T1,T44,T46
DebounceSt - 0 1 0 - - - Covered T195
DebounceSt - 0 0 - - - - Covered T1,T44,T46
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T1,T44,T46
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T44,T46,T48
StableSt - - - - - - 0 Covered T1,T44,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 T4,T5,T6
0 Covered T4,T5,T6


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 14 93.33
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 14 93.33




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 55 0 0
CntIncr_A 6668985 1365 0 0
CntNoWrap_A 6668985 6186953 0 0
DetectStDropOut_A 6668985 0 0 0
DetectedOut_A 6668985 1663 0 0
DetectedPulseOut_A 6668985 27 0 0
DisabledIdleSt_A 6668985 6176372 0 0
DisabledNoDetection_A 6668985 6178279 0 0
EnterDebounceSt_A 6668985 28 0 0
EnterDetectSt_A 6668985 27 0 0
EnterStableSt_A 6668985 27 0 0
PulseIsPulse_A 6668985 27 0 0
StayInStableSt 6668985 1623 0 0
gen_high_level_sva.HighLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 12 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 55 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 2 0 0
T46 0 2 0 0
T48 0 4 0 0
T64 0 2 0 0
T105 0 4 0 0
T112 0 4 0 0
T116 0 2 0 0
T171 0 2 0 0
T196 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1365 0 0
T1 822 83 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 15 0 0
T46 0 38 0 0
T48 0 58 0 0
T64 0 22 0 0
T105 0 90 0 0
T112 0 48 0 0
T116 0 87 0 0
T171 0 63 0 0
T196 0 32 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186953 0 0
T1 822 419 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1663 0 0
T1 822 240 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 23 0 0
T46 0 157 0 0
T48 0 61 0 0
T64 0 23 0 0
T105 0 181 0 0
T112 0 19 0 0
T116 0 41 0 0
T171 0 7 0 0
T196 0 106 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T46 0 1 0 0
T48 0 2 0 0
T64 0 1 0 0
T105 0 2 0 0
T112 0 2 0 0
T116 0 1 0 0
T171 0 1 0 0
T196 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6176372 0 0
T1 822 3 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6178279 0 0
T1 822 3 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 28 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T46 0 1 0 0
T48 0 2 0 0
T64 0 1 0 0
T105 0 2 0 0
T112 0 2 0 0
T116 0 1 0 0
T171 0 1 0 0
T196 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T46 0 1 0 0
T48 0 2 0 0
T64 0 1 0 0
T105 0 2 0 0
T112 0 2 0 0
T116 0 1 0 0
T171 0 1 0 0
T196 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T46 0 1 0 0
T48 0 2 0 0
T64 0 1 0 0
T105 0 2 0 0
T112 0 2 0 0
T116 0 1 0 0
T171 0 1 0 0
T196 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T46 0 1 0 0
T48 0 2 0 0
T64 0 1 0 0
T105 0 2 0 0
T112 0 2 0 0
T116 0 1 0 0
T171 0 1 0 0
T196 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1623 0 0
T1 822 238 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 22 0 0
T46 0 156 0 0
T48 0 58 0 0
T64 0 22 0 0
T105 0 178 0 0
T112 0 17 0 0
T116 0 39 0 0
T171 0 6 0 0
T196 0 105 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 12 0 0
T38 30851 0 0 0
T46 808 1 0 0
T48 0 1 0 0
T54 4402 0 0 0
T69 664 0 0 0
T81 499 0 0 0
T105 0 1 0 0
T112 0 2 0 0
T155 424 0 0 0
T156 402 0 0 0
T167 0 2 0 0
T168 0 1 0 0
T171 0 1 0 0
T184 0 1 0 0
T187 0 1 0 0
T196 0 1 0 0
T197 419 0 0 0
T198 524 0 0 0
T199 794 0 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T8 T12 T50  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T8 T12 T50  149 1/1 cnt_en = 1'b1; Tests: T8 T12 T50  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 T12 T50  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T8 T12 T50  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T8 T12 T50  166 1/1 cnt_clr = 1'b1; Tests: T8 T12 T50  167 1/1 if (trigger_active) begin Tests: T8 T12 T50  168 1/1 state_d = DetectSt; Tests: T8 T12 T50  169 end else begin 170 1/1 state_d = IdleSt; Tests: T116 T102 T105  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 T12 T50  182 1/1 cnt_en = 1'b1; Tests: T8 T12 T50  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T8 T12 T50  186 1/1 state_d = IdleSt; Tests: T102 T200  187 1/1 cnt_clr = 1'b1; Tests: T102 T200  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T8 T12 T50  191 1/1 state_d = StableSt; Tests: T8 T12 T50  192 1/1 cnt_clr = 1'b1; Tests: T8 T12 T50  193 1/1 event_detected_o = 1'b1; Tests: T8 T12 T50  194 1/1 event_detected_pulse_o = 1'b1; Tests: T8 T12 T50  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T8 T12 T50  206 1/1 state_d = IdleSt; Tests: T8 T50 T44  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T8 T12 T50  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T12,T50

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT8,T12,T50

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T12,T50

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT8,T12,T50
10CoveredT4,T6,T26
11CoveredT8,T12,T50

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT8,T12,T50
01CoveredT102,T200
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT8,T12,T50
01CoveredT8,T50,T51
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT8,T12,T50
1-CoveredT8,T50,T51

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T8,T12,T50
DetectSt 168 Covered T8,T12,T50
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T8,T12,T50


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T8,T12,T50
DebounceSt->IdleSt 163 Covered T116,T102,T105
DetectSt->IdleSt 186 Covered T102,T200
DetectSt->StableSt 191 Covered T8,T12,T50
IdleSt->DebounceSt 148 Covered T8,T12,T50
StableSt->IdleSt 206 Covered T8,T50,T44



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].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 T8,T12,T50
0 1 Covered T8,T12,T50
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T8,T12,T50
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T8,T12,T50
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T8,T12,T50
DebounceSt - 0 1 0 - - - Covered T116,T102,T105
DebounceSt - 0 0 - - - - Covered T8,T12,T50
DetectSt - - - - 1 - - Covered T102,T200
DetectSt - - - - 0 1 - Covered T8,T12,T50
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T50,T44
StableSt - - - - - - 0 Covered T8,T12,T50
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[1].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 102 0 0
CntIncr_A 6668985 31888 0 0
CntNoWrap_A 6668985 6186906 0 0
DetectStDropOut_A 6668985 2 0 0
DetectedOut_A 6668985 71576 0 0
DetectedPulseOut_A 6668985 46 0 0
DisabledIdleSt_A 6668985 6034109 0 0
DisabledNoDetection_A 6668985 6036012 0 0
EnterDebounceSt_A 6668985 54 0 0
EnterDetectSt_A 6668985 48 0 0
EnterStableSt_A 6668985 46 0 0
PulseIsPulse_A 6668985 46 0 0
StayInStableSt 6668985 71513 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6668985 1939 0 0
gen_low_level_sva.LowLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 27 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 102 0 0
T8 1171 6 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 2 0 0
T23 959 0 0 0
T44 0 2 0 0
T45 0 2 0 0
T50 0 2 0 0
T51 0 4 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 2 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 3 0 0
T104 0 2 0 0
T116 0 1 0 0
T139 713 0 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 31888 0 0
T8 1171 240 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 16 0 0
T23 959 0 0 0
T44 0 15 0 0
T45 0 89 0 0
T50 0 97 0 0
T51 0 198 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 88 0 0
T104 0 11364 0 0
T116 0 87 0 0
T139 713 0 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186906 0 0
T1 822 421 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 2 0 0
T40 14964 0 0 0
T59 946 0 0 0
T102 8582 1 0 0
T109 12673 0 0 0
T200 0 1 0 0
T201 527 0 0 0
T202 634 0 0 0
T203 633 0 0 0
T204 405 0 0 0
T205 427 0 0 0
T206 505 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 71576 0 0
T8 1171 156 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 44 0 0
T23 959 0 0 0
T44 0 24 0 0
T45 0 431 0 0
T50 0 65 0 0
T51 0 81 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 23 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 44789 0 0
T105 0 55 0 0
T112 0 124 0 0
T139 713 0 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 46 0 0
T8 1171 3 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T50 0 1 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T105 0 1 0 0
T112 0 3 0 0
T139 713 0 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6034109 0 0
T1 822 421 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6036012 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 54 0 0
T8 1171 3 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T50 0 1 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 2 0 0
T104 0 1 0 0
T116 0 1 0 0
T139 713 0 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 48 0 0
T8 1171 3 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T50 0 1 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 46 0 0
T8 1171 3 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T50 0 1 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T105 0 1 0 0
T112 0 3 0 0
T139 713 0 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 46 0 0
T8 1171 3 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T50 0 1 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T105 0 1 0 0
T112 0 3 0 0
T139 713 0 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 71513 0 0
T8 1171 152 0 0
T9 943 0 0 0
T10 12010 0 0 0
T12 0 42 0 0
T23 959 0 0 0
T44 0 23 0 0
T45 0 429 0 0
T50 0 64 0 0
T51 0 78 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 44788 0 0
T105 0 53 0 0
T112 0 120 0 0
T139 713 0 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1939 0 0
T1 822 1 0 0
T4 513 4 0 0
T5 442 0 0 0
T6 429 2 0 0
T14 453 0 0 0
T15 489 4 0 0
T16 487 0 0 0
T17 0 4 0 0
T18 0 6 0 0
T21 0 2 0 0
T22 1040 6 0 0
T26 527 5 0 0
T36 423 4 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T8 1171 2 0 0
T9 943 0 0 0
T10 12010 0 0 0
T23 959 0 0 0
T50 0 1 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T112 0 2 0 0
T139 713 0 0 0
T167 0 1 0 0
T185 0 1 0 0
T207 0 1 0 0
T208 0 1 0 0
T209 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T6 T26  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T6 T26  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T1 T8 T9  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T6 T26  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T6 T26  129 1/1 cnt_en = 1'b0; Tests: T4 T6 T26  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T6 T26  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T6 T26  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T6 T26  139 140 1/1 unique case (state_q) Tests: T4 T6 T26  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T6 T26  148 1/1 state_d = DebounceSt; Tests: T1 T8 T9  149 1/1 cnt_en = 1'b1; Tests: T1 T8 T9  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T1 T8 T9  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T1 T8 T9  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T1 T8 T9  166 1/1 cnt_clr = 1'b1; Tests: T1 T8 T9  167 1/1 if (trigger_active) begin Tests: T1 T8 T9  168 1/1 state_d = DetectSt; Tests: T1 T8 T9  169 end else begin 170 1/1 state_d = IdleSt; Tests: T47 T210 T211  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T1 T8 T9  182 1/1 cnt_en = 1'b1; Tests: T1 T8 T9  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T1 T8 T9  186 1/1 state_d = IdleSt; Tests: T185  187 1/1 cnt_clr = 1'b1; Tests: T185  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T1 T8 T9  191 1/1 state_d = StableSt; Tests: T1 T8 T9  192 1/1 cnt_clr = 1'b1; Tests: T1 T8 T9  193 1/1 event_detected_o = 1'b1; Tests: T1 T8 T9  194 1/1 event_detected_pulse_o = 1'b1; Tests: T1 T8 T9  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T1 T8 T9  206 1/1 state_d = IdleSt; Tests: T8 T9 T12  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T1 T8 T9  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

 LINE       60
 EXPRESSION (trigger_i == 1'b1)
            ---------1---------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT4,T6,T26

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT4,T6,T26
11CoveredT4,T6,T26

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T8,T9

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT1,T8,T9

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T8,T9

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T8,T9
10CoveredT4,T6,T26
11CoveredT1,T8,T9

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT1,T8,T9
01CoveredT185
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT1,T8,T9
01CoveredT8,T9,T12
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT1,T8,T9
1-CoveredT8,T9,T12

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T1,T8,T9
DetectSt 168 Covered T1,T8,T9
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T1,T8,T9


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T1,T8,T9
DebounceSt->IdleSt 163 Covered T47,T210,T211
DetectSt->IdleSt 186 Covered T185
DetectSt->StableSt 191 Covered T1,T8,T9
IdleSt->DebounceSt 148 Covered T1,T8,T9
StableSt->IdleSt 206 Covered T8,T9,T12



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T1,T8,T9
0 1 Covered T1,T8,T9
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T1,T8,T9
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T1,T8,T9
IdleSt 0 - - - - - - Covered T4,T6,T26
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T1,T8,T9
DebounceSt - 0 1 0 - - - Covered T47,T210,T211
DebounceSt - 0 0 - - - - Covered T1,T8,T9
DetectSt - - - - 1 - - Covered T185
DetectSt - - - - 0 1 - Covered T1,T8,T9
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T9,T12
StableSt - - - - - - 0 Covered T1,T8,T9
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 97 0 0
CntIncr_A 6668985 71346 0 0
CntNoWrap_A 6668985 6186911 0 0
DetectStDropOut_A 6668985 1 0 0
DetectedOut_A 6668985 146423 0 0
DetectedPulseOut_A 6668985 45 0 0
DisabledIdleSt_A 6668985 5871921 0 0
DisabledNoDetection_A 6668985 5873822 0 0
EnterDebounceSt_A 6668985 52 0 0
EnterDetectSt_A 6668985 46 0 0
EnterStableSt_A 6668985 45 0 0
PulseIsPulse_A 6668985 45 0 0
StayInStableSt 6668985 146355 0 0
gen_high_level_sva.HighLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 20 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 97 0 0
T1 822 2 0 0
T2 2239 0 0 0
T8 0 2 0 0
T9 0 4 0 0
T12 0 2 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 2 0 0
T47 0 1 0 0
T51 0 4 0 0
T64 0 2 0 0
T102 0 4 0 0
T171 0 4 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 71346 0 0
T1 822 83 0 0
T2 2239 0 0 0
T8 0 80 0 0
T9 0 100 0 0
T12 0 16 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 15 0 0
T47 0 96 0 0
T51 0 198 0 0
T64 0 22 0 0
T102 0 88 0 0
T171 0 126 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186911 0 0
T1 822 419 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1 0 0
T142 1719 0 0 0
T185 994 1 0 0
T186 235340 0 0 0
T188 432 0 0 0
T189 508 0 0 0
T190 426 0 0 0
T191 526 0 0 0
T192 439 0 0 0
T193 726 0 0 0
T194 1745 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 146423 0 0
T1 822 240 0 0
T2 2239 0 0 0
T8 0 318 0 0
T9 0 333 0 0
T12 0 9 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 23 0 0
T51 0 141 0 0
T64 0 22 0 0
T102 0 130 0 0
T104 0 22815 0 0
T171 0 211 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 45 0 0
T1 822 1 0 0
T2 2239 0 0 0
T8 0 1 0 0
T9 0 2 0 0
T12 0 1 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T51 0 2 0 0
T64 0 1 0 0
T102 0 2 0 0
T104 0 1 0 0
T171 0 2 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5871921 0 0
T1 822 3 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5873822 0 0
T1 822 3 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 52 0 0
T1 822 1 0 0
T2 2239 0 0 0
T8 0 1 0 0
T9 0 2 0 0
T12 0 1 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T47 0 1 0 0
T51 0 2 0 0
T64 0 1 0 0
T102 0 2 0 0
T171 0 2 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 46 0 0
T1 822 1 0 0
T2 2239 0 0 0
T8 0 1 0 0
T9 0 2 0 0
T12 0 1 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T51 0 2 0 0
T64 0 1 0 0
T102 0 2 0 0
T104 0 1 0 0
T171 0 2 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 45 0 0
T1 822 1 0 0
T2 2239 0 0 0
T8 0 1 0 0
T9 0 2 0 0
T12 0 1 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T51 0 2 0 0
T64 0 1 0 0
T102 0 2 0 0
T104 0 1 0 0
T171 0 2 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 45 0 0
T1 822 1 0 0
T2 2239 0 0 0
T8 0 1 0 0
T9 0 2 0 0
T12 0 1 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T51 0 2 0 0
T64 0 1 0 0
T102 0 2 0 0
T104 0 1 0 0
T171 0 2 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 146355 0 0
T1 822 238 0 0
T2 2239 0 0 0
T8 0 317 0 0
T9 0 330 0 0
T12 0 8 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 22 0 0
T51 0 138 0 0
T64 0 21 0 0
T102 0 127 0 0
T104 0 22814 0 0
T171 0 208 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 20 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T112 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T171 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464291.30
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125322887.50
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T6 T26  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T8 T9 T12  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T8 T9 T12  149 1/1 cnt_en = 1'b1; Tests: T8 T9 T12  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T8 T9 T12  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T8 T9 T12  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T8 T9 T12  166 1/1 cnt_clr = 1'b1; Tests: T8 T9 T12  167 1/1 if (trigger_active) begin Tests: T8 T9 T12  168 1/1 state_d = DetectSt; Tests: T8 T9 T12  169 end else begin 170 1/1 state_d = IdleSt; Tests: T212  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T8 T9 T12  182 1/1 cnt_en = 1'b1; Tests: T8 T9 T12  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T8 T9 T12  186 0/1 ==> state_d = IdleSt; 187 0/1 ==> cnt_clr = 1'b1; 188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T8 T9 T12  191 1/1 state_d = StableSt; Tests: T8 T9 T12  192 1/1 cnt_clr = 1'b1; Tests: T8 T9 T12  193 1/1 event_detected_o = 1'b1; Tests: T8 T9 T12  194 1/1 event_detected_pulse_o = 1'b1; Tests: T8 T9 T12  195 end ==> MISSING_ELSE 196 end 197 end 198 //////////////////////////////////////////// 199 // At this point we have detected the event 200 // and monitor whether the signal remains stable. 201 StableSt: begin 202 // Go back to idle if either the trigger level is not active anymore, or if the detector is 203 // disabled. Note that if the detector is sticky, it has to be explicitly disabled in order 204 // to go back to the idle state. 205 1/1 if (!cfg_enable_i || (!trigger_active && !Sticky)) begin Tests: T8 T9 T12  206 1/1 state_d = IdleSt; Tests: T9 T44 T64  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T8 T9 T12  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions211990.48
Logical211990.48
Non-Logical00
Event00

 LINE       58
 EXPRESSION (trigger_i == 1'b0)
            ---------1---------
-1-StatusTests
0CoveredT4,T6,T26
1CoveredT4,T5,T6

 LINE       76
 EXPRESSION (trigger_active & ((~gen_trigger_event_edge.trigger_active_q)))
             -------1------   ----------------------2---------------------
-1--2-StatusTests
01CoveredT4,T6,T26
10CoveredT4,T5,T6
11CoveredT4,T5,T6

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T9,T12

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT8,T9,T12

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T9,T12

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T8,T9
10CoveredT4,T6,T26
11CoveredT8,T9,T12

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT8,T9,T12
01Not Covered
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT8,T9,T12
01CoveredT9,T102,T159
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT8,T9,T12
1-CoveredT9,T102,T159

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 5 83.33
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T8,T9,T12
DetectSt 168 Covered T8,T9,T12
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T8,T9,T12


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T8,T9,T12
DebounceSt->IdleSt 163 Covered T212
DetectSt->IdleSt 186 Not Covered
DetectSt->StableSt 191 Covered T8,T9,T12
IdleSt->DebounceSt 148 Covered T8,T9,T12
StableSt->IdleSt 206 Covered T9,T44,T64



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


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T8,T9,T12
0 1 Covered T8,T9,T12
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T8,T9,T12
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T8,T9,T12
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T8,T9,T12
DebounceSt - 0 1 0 - - - Covered T212
DebounceSt - 0 0 - - - - Covered T8,T9,T12
DetectSt - - - - 1 - - Not Covered
DetectSt - - - - 0 1 - Covered T8,T9,T12
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T9,T44,T64
StableSt - - - - - - 0 Covered T8,T9,T12
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[2].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 15 93.75
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 15 93.75




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 63 0 0
CntIncr_A 6668985 12787 0 0
CntNoWrap_A 6668985 6186945 0 0
DetectStDropOut_A 6668985 0 0 0
DetectedOut_A 6668985 5266 0 0
DetectedPulseOut_A 6668985 31 0 0
DisabledIdleSt_A 6668985 6105904 0 0
DisabledNoDetection_A 6668985 6107807 0 0
EnterDebounceSt_A 6668985 32 0 0
EnterDetectSt_A 6668985 31 0 0
EnterStableSt_A 6668985 31 0 0
PulseIsPulse_A 6668985 31 0 0
StayInStableSt 6668985 5222 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6668985 5574 0 0
gen_low_level_sva.LowLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 16 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 63 0 0
T8 1171 2 0 0
T9 943 2 0 0
T10 12010 0 0 0
T12 0 2 0 0
T23 959 0 0 0
T44 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 2 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 2 0 0
T104 0 2 0 0
T105 0 2 0 0
T139 713 0 0 0
T159 0 2 0 0
T170 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 12787 0 0
T8 1171 80 0 0
T9 943 50 0 0
T10 12010 0 0 0
T12 0 16 0 0
T23 959 0 0 0
T44 0 15 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 44 0 0
T104 0 11364 0 0
T105 0 40 0 0
T139 713 0 0 0
T159 0 71 0 0
T170 0 71 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186945 0 0
T1 822 421 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5266 0 0
T8 1171 282 0 0
T9 943 49 0 0
T10 12010 0 0 0
T12 0 44 0 0
T23 959 0 0 0
T44 0 23 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 23 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 130 0 0
T104 0 2918 0 0
T105 0 42 0 0
T139 713 0 0 0
T159 0 317 0 0
T170 0 38 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 31 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T170 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6105904 0 0
T1 822 3 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6107807 0 0
T1 822 3 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 32 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T170 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 31 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T170 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 31 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T170 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 31 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T12 0 1 0 0
T23 959 0 0 0
T44 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 1 0 0
T104 0 1 0 0
T105 0 1 0 0
T139 713 0 0 0
T159 0 1 0 0
T170 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5222 0 0
T8 1171 280 0 0
T9 943 48 0 0
T10 12010 0 0 0
T12 0 42 0 0
T23 959 0 0 0
T44 0 22 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T102 0 129 0 0
T104 0 2916 0 0
T105 0 41 0 0
T139 713 0 0 0
T159 0 316 0 0
T170 0 36 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5574 0 0
T1 822 0 0 0
T2 0 12 0 0
T4 513 5 0 0
T5 442 0 0 0
T6 429 1 0 0
T14 453 0 0 0
T15 489 7 0 0
T16 487 0 0 0
T17 0 8 0 0
T18 0 3 0 0
T21 0 2 0 0
T22 1040 0 0 0
T26 527 7 0 0
T27 0 5 0 0
T36 423 1 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 16 0 0
T9 943 1 0 0
T10 12010 0 0 0
T11 510 0 0 0
T57 408 0 0 0
T61 743 0 0 0
T78 495 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T96 421 0 0 0
T97 430 0 0 0
T102 0 1 0 0
T105 0 1 0 0
T159 0 1 0 0
T185 0 1 0 0
T195 0 1 0 0
T208 0 1 0 0
T211 0 2 0 0
T213 0 1 0 0
T214 0 2 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN6011100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

59 end else begin : gen_trigger_active_high 60 1/1 assign trigger_active = (trigger_i == 1'b1); Tests: T4 T5 T6  61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T8 T9 T44  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T8 T9 T44  149 1/1 cnt_en = 1'b1; Tests: T8 T9 T44  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 T9 T44  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T8 T9 T44  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T8 T9 T44  166 1/1 cnt_clr = 1'b1; Tests: T8 T9 T44  167 1/1 if (trigger_active) begin Tests: T8 T9 T44  168 1/1 state_d = DetectSt; Tests: T8 T9 T44  169 end else begin 170 1/1 state_d = IdleSt; Tests: T116 T104 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: T8 T9 T44  182 1/1 cnt_en = 1'b1; Tests: T8 T9 T44  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 T9 T44  186 1/1 state_d = IdleSt; Tests: T112 T216 T215  187 1/1 cnt_clr = 1'b1; Tests: T112 T216 T215  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T8 T9 T44  191 1/1 state_d = StableSt; Tests: T8 T9 T44  192 1/1 cnt_clr = 1'b1; Tests: T8 T9 T44  193 1/1 event_detected_o = 1'b1; Tests: T8 T9 T44  194 1/1 event_detected_pulse_o = 1'b1; Tests: T8 T9 T44  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 T9 T44  206 1/1 state_d = IdleSt; Tests: T8 T9 T44  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T8 T9 T44  210 end 211 end 212 //////////////////////////////////////////// 213 // This is a full case statement 214 default: ; Exclude Annotation: VC_COV_UNR 215 endcase // state_q 216 end 217 218 always_ff @(posedge clk_i or negedge rst_ni) begin : p_fsm_reg 219 1/1 if (!rst_ni) begin Tests: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T9,T44

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT8,T9,T44

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT8,T9,T44

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT8,T9,T50
10CoveredT4,T5,T6
11CoveredT8,T9,T44

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT8,T9,T44
01CoveredT112,T216,T215
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT8,T9,T44
01CoveredT8,T9,T46
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT8,T9,T44
1-CoveredT8,T9,T46

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T8,T9,T44
DetectSt 168 Covered T8,T9,T44
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T8,T9,T44


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T8,T9,T44
DebounceSt->IdleSt 163 Covered T116,T104,T215
DetectSt->IdleSt 186 Covered T112,T216,T215
DetectSt->StableSt 191 Covered T8,T9,T44
IdleSt->DebounceSt 148 Covered T8,T9,T44
StableSt->IdleSt 206 Covered T8,T9,T44



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
Line No.TotalCoveredPercent
Branches 20 19 95.00
TERNARY 92 2 2 100.00
TERNARY 99 2 2 100.00
IF 104 2 2 100.00
CASE 140 10 9 90.00
IF 219 2 2 100.00
IF 69 2 2 100.00


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

Branches:
-1--2-StatusTestsExclude Annotation
1 - Covered T8,T9,T44
0 1 Covered T8,T9,T44
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T8,T9,T44
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T8,T9,T44
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T8,T9,T44
DebounceSt - 0 1 0 - - - Covered T116,T104,T215
DebounceSt - 0 0 - - - - Covered T8,T9,T44
DetectSt - - - - 1 - - Covered T112,T216,T215
DetectSt - - - - 0 1 - Covered T8,T9,T44
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T8,T9,T44
StableSt - - - - - - 0 Covered T8,T9,T44
default - - - - - - - Excluded VC_COV_UNR


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

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


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_l2h
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 15 15 100.00 15 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 15 15 100.00 15 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 104 0 0
CntIncr_A 6668985 82940 0 0
CntNoWrap_A 6668985 6186904 0 0
DetectStDropOut_A 6668985 3 0 0
DetectedOut_A 6668985 34428 0 0
DetectedPulseOut_A 6668985 47 0 0
DisabledIdleSt_A 6668985 5871004 0 0
DisabledNoDetection_A 6668985 5872906 0 0
EnterDebounceSt_A 6668985 54 0 0
EnterDetectSt_A 6668985 50 0 0
EnterStableSt_A 6668985 47 0 0
PulseIsPulse_A 6668985 47 0 0
StayInStableSt 6668985 34363 0 0
gen_high_level_sva.HighLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 27 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 104 0 0
T8 1171 4 0 0
T9 943 2 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 2 0 0
T46 0 4 0 0
T48 0 2 0 0
T49 0 4 0 0
T51 0 2 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 2 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T116 0 1 0 0
T139 713 0 0 0
T170 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 82940 0 0
T8 1171 160 0 0
T9 943 50 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 15 0 0
T46 0 76 0 0
T48 0 16 0 0
T49 0 188 0 0
T51 0 99 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T116 0 87 0 0
T139 713 0 0 0
T170 0 71 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186904 0 0
T1 822 421 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 3 0 0
T112 706 1 0 0
T215 0 1 0 0
T216 0 1 0 0
T217 1964 0 0 0
T218 29652 0 0 0
T219 25039 0 0 0
T220 446 0 0 0
T221 505 0 0 0
T222 523 0 0 0
T223 489 0 0 0
T224 184808 0 0 0
T225 728 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 34428 0 0
T8 1171 334 0 0
T9 943 44 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 22 0 0
T46 0 78 0 0
T48 0 52 0 0
T49 0 122 0 0
T51 0 70 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 22 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 30509 0 0
T139 713 0 0 0
T170 0 255 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 47 0 0
T8 1171 2 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 1 0 0
T46 0 2 0 0
T48 0 1 0 0
T49 0 2 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T139 713 0 0 0
T170 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5871004 0 0
T1 822 421 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5872906 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 54 0 0
T8 1171 2 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 1 0 0
T46 0 2 0 0
T48 0 1 0 0
T49 0 2 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T116 0 1 0 0
T139 713 0 0 0
T170 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 50 0 0
T8 1171 2 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 1 0 0
T46 0 2 0 0
T48 0 1 0 0
T49 0 2 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T139 713 0 0 0
T170 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 47 0 0
T8 1171 2 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 1 0 0
T46 0 2 0 0
T48 0 1 0 0
T49 0 2 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T139 713 0 0 0
T170 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 47 0 0
T8 1171 2 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 1 0 0
T46 0 2 0 0
T48 0 1 0 0
T49 0 2 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 1 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T139 713 0 0 0
T170 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 34363 0 0
T8 1171 331 0 0
T9 943 43 0 0
T10 12010 0 0 0
T23 959 0 0 0
T44 0 21 0 0
T46 0 75 0 0
T48 0 50 0 0
T49 0 119 0 0
T51 0 69 0 0
T57 408 0 0 0
T60 4539 0 0 0
T64 0 21 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 30508 0 0
T139 713 0 0 0
T170 0 254 0 0

gen_high_level_sva.HighLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 27 0 0
T8 1171 1 0 0
T9 943 1 0 0
T10 12010 0 0 0
T23 959 0 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T57 408 0 0 0
T60 4539 0 0 0
T72 428 0 0 0
T83 502 0 0 0
T84 522 0 0 0
T104 0 1 0 0
T139 713 0 0 0
T159 0 2 0 0
T170 0 1 0 0
T182 0 2 0 0
T196 0 1 0 0

Line Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Line No.TotalCoveredPercent
TOTAL464495.65
CONT_ASSIGN5811100.00
ALWAYS6933100.00
CONT_ASSIGN7611100.00
CONT_ASSIGN9211100.00
CONT_ASSIGN9911100.00
CONT_ASSIGN10111100.00
ALWAYS10433100.00
ALWAYS125323093.75
ALWAYS21933100.00

57 if (EventType inside {LowLevel, EdgeToLow}) begin : gen_trigger_active_low 58 1/1 assign trigger_active = (trigger_i == 1'b0); Tests: T4 T5 T6  59 end else begin : gen_trigger_active_high 60 assign trigger_active = (trigger_i == 1'b1); 61 end 62 63 // In case of edge events, we also need to detect the transition. 64 logic trigger_event; 65 if (EventType inside {EdgeToLow, EdgeToHigh}) begin : gen_trigger_event_edge 66 // This flop is always active, no matter the enable state. 67 logic trigger_active_q; 68 always_ff @(posedge clk_i or negedge rst_ni) begin : p_trigger_reg 69 1/1 if (!rst_ni) begin Tests: T4 T5 T6  70 1/1 trigger_active_q <= 1'b0; Tests: T4 T5 T6  71 end else begin 72 1/1 trigger_active_q <= trigger_active; Tests: T4 T5 T6  73 end 74 end 75 76 1/1 assign trigger_event = trigger_active & ~trigger_active_q; Tests: T4 T5 T6  77 // In case of level events, the event is equal to the level being active. 78 end else begin : gen_trigger_event_level 79 assign trigger_event = trigger_active; 80 end 81 82 ///////////////// 83 // Timer Logic // 84 ///////////////// 85 86 // Take the maximum width of both timer values. 87 localparam int unsigned TimerWidth = 88 (DetectTimerWidth > DebounceTimerWidth) ? DetectTimerWidth : DebounceTimerWidth; 89 90 logic cnt_en, cnt_clr; 91 logic [TimerWidth-1:0] cnt_d, cnt_q; 92 1/1 assign cnt_d = (cnt_clr) ? '0 : Tests: T1 T44 T46  93 (cnt_en) ? cnt_q + 1'b1 : 94 cnt_q; 95 96 97 logic cnt_done, thresh_sel; 98 logic [TimerWidth-1:0] thresh; 99 1/1 assign thresh = (thresh_sel) ? TimerWidth'(cfg_detect_timer_i) : Tests: T5 T1 T14  100 TimerWidth'(cfg_debounce_timer_i); 101 1/1 assign cnt_done = (cnt_q >= thresh); Tests: T5 T1 T14  102 103 always_ff @(posedge clk_i or negedge rst_ni) begin : p_cnt_reg 104 1/1 if (!rst_ni) begin Tests: T4 T5 T6  105 1/1 cnt_q <= '0; Tests: T4 T5 T6  106 end else begin 107 1/1 cnt_q <= cnt_d; Tests: T4 T5 T6  108 end 109 end 110 111 ///////// 112 // FSM // 113 ///////// 114 115 typedef enum logic [1:0] { 116 IdleSt, 117 DebounceSt, 118 DetectSt, 119 StableSt 120 } state_t; 121 122 state_t state_d, state_q; 123 124 always_comb begin : p_fsm 125 1/1 state_d = state_q; Tests: T4 T5 T6  126 127 // Counter controls (clear has priority). 128 1/1 cnt_clr = 1'b0; Tests: T4 T5 T6  129 1/1 cnt_en = 1'b0; Tests: T4 T5 T6  130 131 // Detected outputs 132 1/1 event_detected_o = 1'b0; Tests: T4 T5 T6  133 1/1 event_detected_pulse_o = 1'b0; Tests: T4 T5 T6  134 135 // Threshold select 136 // 0: debounce 137 // 1: detect 138 1/1 thresh_sel = 1'b0; Tests: T4 T5 T6  139 140 1/1 unique case (state_q) Tests: T4 T5 T6  141 //////////////////////////////////////////// 142 // We are waiting for the event to occur. 143 // This can be either a specific level or edge, 144 // depending on the configuration. 145 IdleSt: begin 146 // Stay here if the detector is disabled. 147 1/1 if (trigger_event && cfg_enable_i) begin Tests: T4 T5 T6  148 1/1 state_d = DebounceSt; Tests: T1 T44 T46  149 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  150 end MISSING_ELSE 151 end 152 //////////////////////////////////////////// 153 // If an event has occurred, we back off for 154 // the amount of debounce cycles configured. 155 // Once the timer has expired, we sample the 156 // signal again and check whether it has the 157 // correct level. If so, we move on to the 158 // detection stage, otherwise we fall back. 159 DebounceSt: begin 160 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  161 // Unconditionally go back to idle if the detector is disabled. 162 1/1 if (!cfg_enable_i) begin Tests: T1 T44 T46  163 0/1 ==> state_d = IdleSt; 164 0/1 ==> cnt_clr = 1'b1; 165 1/1 end else if (cnt_done) begin Tests: T1 T44 T46  166 1/1 cnt_clr = 1'b1; Tests: T1 T44 T46  167 1/1 if (trigger_active) begin Tests: T1 T44 T46  168 1/1 state_d = DetectSt; Tests: T1 T44 T46  169 end else begin 170 1/1 state_d = IdleSt; Tests: T159 T226  171 end 172 end MISSING_ELSE 173 end 174 //////////////////////////////////////////// 175 // Once the debounce period has passed, we 176 // check whether the signal remains stable 177 // throughout the entire detection period. 178 // If it is not stable at any cycle, we fall 179 // back to idle. 180 DetectSt: begin 181 1/1 thresh_sel = 1'b1; Tests: T1 T44 T46  182 1/1 cnt_en = 1'b1; Tests: T1 T44 T46  183 // Go back to idle if either the trigger level is not active anymore, or if the 184 // detector is disabled. 185 1/1 if (!cfg_enable_i || !trigger_active) begin Tests: T1 T44 T46  186 1/1 state_d = IdleSt; Tests: T105  187 1/1 cnt_clr = 1'b1; Tests: T105  188 // If the trigger is active, count up. 189 end else begin 190 1/1 if (cnt_done) begin Tests: T1 T44 T46  191 1/1 state_d = StableSt; Tests: T1 T44 T46  192 1/1 cnt_clr = 1'b1; Tests: T1 T44 T46  193 1/1 event_detected_o = 1'b1; Tests: T1 T44 T46  194 1/1 event_detected_pulse_o = 1'b1; Tests: T1 T44 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: T1 T44 T46  206 1/1 state_d = IdleSt; Tests: T1 T44 T46  207 // Otherwise keep the event detected output signal high. 208 end else begin 209 1/1 event_detected_o = 1'b1; Tests: T1 T44 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: T4 T5 T6  220 1/1 state_q <= IdleSt; Tests: T4 T5 T6  221 end else begin 222 1/1 state_q <= state_d; Tests: T4 T5 T6 

Cond Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalCoveredPercent
Conditions212095.24
Logical212095.24
Non-Logical00
Event00

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

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

 LINE       92
 EXPRESSION (cnt_clr ? '0 : (cnt_en ? ((cnt_q + 1'b1)) : cnt_q))
             ---1---
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T44,T46

 LINE       92
 SUB-EXPRESSION (cnt_en ? ((cnt_q + 1'b1)) : cnt_q)
                 ---1--
-1-StatusTestsExclude Annotation
0ExcludedT4,T5,T6 VC_COV_UNR
1CoveredT1,T44,T46

 LINE       99
 EXPRESSION (thresh_sel ? (16'(cfg_detect_timer_i)) : (16'(cfg_debounce_timer_i)))
             -----1----
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT1,T44,T46

 LINE       147
 EXPRESSION (trigger_event && cfg_enable_i)
             ------1------    ------2-----
-1--2-StatusTests
01CoveredT1,T12,T50
10CoveredT4,T5,T6
11CoveredT1,T44,T46

 LINE       185
 EXPRESSION (((!cfg_enable_i)) || ((!trigger_active)))
             --------1--------    ---------2---------
-1--2-StatusTests
00CoveredT1,T44,T46
01CoveredT105
10Not Covered

 LINE       205
 EXPRESSION (((!cfg_enable_i)) || (((!trigger_active)) && ((!Sticky))))
             --------1--------    ------------------2-----------------
-1--2-StatusTests
00CoveredT1,T44,T46
01CoveredT1,T46,T49
10CoveredT44,T64

 LINE       205
 SUB-EXPRESSION (((!trigger_active)) && ((!Sticky)))
                 ---------1---------    -----2-----
-1--2-StatusTests
0-CoveredT1,T44,T46
1-CoveredT1,T46,T49

FSM Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
Summary for FSM :: state_q
TotalCoveredPercent
States 4 4 100.00 (Not included in score)
Transitions 6 6 100.00
Sequences 0 0

State, Transition and Sequence Details for FSM :: state_q
statesLine No.CoveredTests
DebounceSt 148 Covered T1,T44,T46
DetectSt 168 Covered T1,T44,T46
IdleSt 163 Covered T4,T5,T6
StableSt 191 Covered T1,T44,T46


transitionsLine No.CoveredTests
DebounceSt->DetectSt 168 Covered T1,T44,T46
DebounceSt->IdleSt 163 Covered T159,T226
DetectSt->IdleSt 186 Covered T105
DetectSt->StableSt 191 Covered T1,T44,T46
IdleSt->DebounceSt 148 Covered T1,T44,T46
StableSt->IdleSt 206 Covered T1,T44,T46



Branch Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].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 T1,T44,T46
0 1 Covered T1,T44,T46
0 0 Excluded T4,T5,T6 VC_COV_UNR


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

Branches:
-1-StatusTests
1 Covered T1,T44,T46
0 Covered T4,T5,T6


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

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


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

Branches:
-1--2--3--4--5--6--7--8-StatusTestsExclude Annotation
IdleSt 1 - - - - - - Covered T1,T44,T46
IdleSt 0 - - - - - - Covered T4,T5,T6
DebounceSt - 1 - - - - - Not Covered
DebounceSt - 0 1 1 - - - Covered T1,T44,T46
DebounceSt - 0 1 0 - - - Covered T159,T226
DebounceSt - 0 0 - - - - Covered T1,T44,T46
DetectSt - - - - 1 - - Covered T105
DetectSt - - - - 0 1 - Covered T1,T44,T46
DetectSt - - - - 0 0 - Excluded VC_COV_UNR
StableSt - - - - - - 1 Covered T1,T44,T46
StableSt - - - - - - 0 Covered T1,T44,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 T4,T5,T6
0 Covered T4,T5,T6


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

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


Assert Coverage for Instance : tb.dut.u_sysrst_ctrl_keyintr.gen_keyfsm[3].u_sysrst_ctrl_detect_h2l
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 16 16 100.00 16 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 16 16 100.00 16 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CntClr_A 6668985 72 0 0
CntIncr_A 6668985 81936 0 0
CntNoWrap_A 6668985 6186936 0 0
DetectStDropOut_A 6668985 1 0 0
DetectedOut_A 6668985 59511 0 0
DetectedPulseOut_A 6668985 34 0 0
DisabledIdleSt_A 6668985 5871700 0 0
DisabledNoDetection_A 6668985 5873600 0 0
EnterDebounceSt_A 6668985 37 0 0
EnterDetectSt_A 6668985 35 0 0
EnterStableSt_A 6668985 34 0 0
PulseIsPulse_A 6668985 34 0 0
StayInStableSt 6668985 59460 0 0
gen_edge_to_low_event_sva.EdgeToLowEvent_A 6668985 5256 0 0
gen_low_level_sva.LowLevelEvent_A 6668985 6188948 0 0
gen_not_sticky_sva.StableStDropOut_A 6668985 15 0 0


CntClr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 72 0 0
T1 822 4 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 2 0 0
T45 0 2 0 0
T46 0 2 0 0
T49 0 2 0 0
T51 0 2 0 0
T64 0 2 0 0
T104 0 4 0 0
T159 0 3 0 0
T170 0 2 0 0

CntIncr_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 81936 0 0
T1 822 166 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 15 0 0
T45 0 89 0 0
T46 0 38 0 0
T49 0 94 0 0
T51 0 99 0 0
T64 0 22 0 0
T104 0 22728 0 0
T159 0 142 0 0
T170 0 71 0 0

CntNoWrap_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6186936 0 0
T1 822 417 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DetectStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 1 0 0
T105 13512 1 0 0
T112 706 0 0 0
T151 427 0 0 0
T217 1964 0 0 0
T218 29652 0 0 0
T219 25039 0 0 0
T220 446 0 0 0
T221 505 0 0 0
T222 523 0 0 0
T223 489 0 0 0

DetectedOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 59511 0 0
T1 822 83 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 22 0 0
T45 0 41 0 0
T46 0 157 0 0
T49 0 42 0 0
T51 0 42 0 0
T64 0 23 0 0
T104 0 86 0 0
T159 0 43 0 0
T170 0 39 0 0

DetectedPulseOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 34 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T64 0 1 0 0
T104 0 2 0 0
T159 0 1 0 0
T170 0 1 0 0

DisabledIdleSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5871700 0 0
T1 822 3 0 0
T4 513 112 0 0
T5 442 41 0 0
T6 429 28 0 0
T14 453 52 0 0
T15 489 88 0 0
T16 487 86 0 0
T22 1040 639 0 0
T26 527 126 0 0
T36 423 22 0 0

DisabledNoDetection_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5873600 0 0
T1 822 3 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

EnterDebounceSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 37 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T64 0 1 0 0
T104 0 2 0 0
T159 0 2 0 0
T170 0 1 0 0

EnterDetectSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 35 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T64 0 1 0 0
T104 0 2 0 0
T159 0 1 0 0
T170 0 1 0 0

EnterStableSt_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 34 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T64 0 1 0 0
T104 0 2 0 0
T159 0 1 0 0
T170 0 1 0 0

PulseIsPulse_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 34 0 0
T1 822 2 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 1 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T51 0 1 0 0
T64 0 1 0 0
T104 0 2 0 0
T159 0 1 0 0
T170 0 1 0 0

StayInStableSt
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 59460 0 0
T1 822 80 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T44 0 21 0 0
T45 0 40 0 0
T46 0 156 0 0
T49 0 41 0 0
T51 0 40 0 0
T64 0 22 0 0
T104 0 83 0 0
T159 0 42 0 0
T170 0 37 0 0

gen_edge_to_low_event_sva.EdgeToLowEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 5256 0 0
T1 822 2 0 0
T4 513 2 0 0
T5 442 1 0 0
T6 429 1 0 0
T14 453 1 0 0
T15 489 8 0 0
T16 487 1 0 0
T17 0 12 0 0
T22 1040 0 0 0
T26 527 4 0 0
T36 423 2 0 0

gen_low_level_sva.LowLevelEvent_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 6188948 0 0
T1 822 422 0 0
T4 513 113 0 0
T5 442 42 0 0
T6 429 29 0 0
T14 453 53 0 0
T15 489 89 0 0
T16 487 87 0 0
T22 1040 640 0 0
T26 527 127 0 0
T36 423 23 0 0

gen_not_sticky_sva.StableStDropOut_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 6668985 15 0 0
T1 822 1 0 0
T2 2239 0 0 0
T14 453 0 0 0
T15 489 0 0 0
T16 487 0 0 0
T17 497 0 0 0
T18 441 0 0 0
T19 428 0 0 0
T20 402 0 0 0
T21 422 0 0 0
T45 0 1 0 0
T46 0 1 0 0
T49 0 1 0 0
T104 0 1 0 0
T159 0 1 0 0
T168 0 1 0 0
T183 0 1 0 0
T209 0 1 0 0
T216 0 1 0 0

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