Module Definition
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Module : prim_pulse_sync
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00

Source File(s) :
/workspaces/repo/scratch/os_regression_2024_10_11/aon_timer-sim-vcs/default/sim-vcs/../src/lowrisc_prim_all_0.1/rtl/prim_pulse_sync.sv

Module self-instances :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00
tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req 100.00 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wkup_ctrl_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wkup_thold_hi_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wkup_thold_lo_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
92.86 100.00 71.43 100.00 100.00 u_wkup_count_hi_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
98.21 100.00 92.86 100.00 100.00 u_wkup_count_lo_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wdog_ctrl_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wdog_bark_thold_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
97.73 100.00 90.91 100.00 100.00 u_wdog_bite_thold_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 u_arb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
98.21 100.00 92.86 100.00 100.00 u_wdog_count_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
100.00 100.00 100.00 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
98.44 100.00 93.75 100.00 100.00 u_wkup_cause_cdc


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
prim_flop_2sync 100.00 100.00 100.00

Line Coverage for Module : prim_pulse_sync
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Module : prim_pulse_sync
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Module : prim_pulse_sync
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Module : prim_pulse_sync
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2147483647 46372 0 0
SrcPulseCheck_M 2147483647 49330 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2147483647 46372 0 0
T1 66692 21 0 0
T2 112368 26 0 0
T3 69838 26 0 0
T4 118136 26 0 0
T5 60378 21 0 0
T6 301734 23 0 0
T7 289040 23 0 0
T8 218512 26 0 0
T9 0 21 0 0
T10 0 21 0 0
T11 547028 0 0 0
T12 394288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2147483647 49330 0 0
T1 110236 21 0 0
T2 186480 26 0 0
T3 115394 26 0 0
T4 196040 26 0 0
T5 99798 21 0 0
T6 501834 23 0 0
T7 480720 23 0 0
T8 363376 26 0 0
T9 0 21 0 0
T10 0 21 0 0
T11 894572 0 0 0
T12 648016 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 4054 0 0
SrcPulseCheck_M 632797275 4407 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 4054 0 0
T1 86 2 0 0
T2 75 2 0 0
T3 94 2 0 0
T4 80 2 0 0
T5 78 2 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 2 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 4407 0 0
T1 10972 2 0 0
T2 18603 2 0 0
T3 11483 2 0 0
T4 19556 2 0 0
T5 9933 2 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 2 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 4303 0 0
SrcPulseCheck_M 2199489 4303 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 4303 0 0
T1 10972 2 0 0
T2 18603 2 0 0
T3 11483 2 0 0
T4 19556 2 0 0
T5 9933 2 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 2 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 4303 0 0
T1 86 2 0 0
T2 75 2 0 0
T3 94 2 0 0
T4 80 2 0 0
T5 78 2 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 2 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 2193 0 0
SrcPulseCheck_M 632797275 2473 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2193 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2473 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_thold_hi_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 2429 0 0
SrcPulseCheck_M 2199489 2429 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2429 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2429 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 2201 0 0
SrcPulseCheck_M 632797275 2476 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2201 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2476 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_thold_lo_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 2432 0 0
SrcPulseCheck_M 2199489 2432 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2432 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2432 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_count_hi_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 3773 0 0
SrcPulseCheck_M 632797275 4066 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 3773 0 0
T1 86 2 0 0
T2 75 3 0 0
T3 94 3 0 0
T4 80 3 0 0
T5 78 2 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 4066 0 0
T1 10972 2 0 0
T2 18603 3 0 0
T3 11483 3 0 0
T4 19556 3 0 0
T5 9933 2 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_count_lo_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 3802 0 0
SrcPulseCheck_M 632797275 4089 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 3802 0 0
T1 86 2 0 0
T2 75 3 0 0
T3 94 3 0 0
T4 80 3 0 0
T5 78 2 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 4089 0 0
T1 10972 2 0 0
T2 18603 3 0 0
T3 11483 3 0 0
T4 19556 3 0 0
T5 9933 2 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT2,T3,T4

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT2,T3,T4
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 3160 0 0
SrcPulseCheck_M 632797275 3477 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 3160 0 0
T1 86 1 0 0
T2 75 2 0 0
T3 94 2 0 0
T4 80 2 0 0
T5 78 1 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 2 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 3477 0 0
T1 10972 1 0 0
T2 18603 2 0 0
T3 11483 2 0 0
T4 19556 2 0 0
T5 9933 1 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 2 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT2,T3,T4

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT2,T3,T4
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_ctrl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 3376 0 0
SrcPulseCheck_M 2199489 3376 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 3376 0 0
T1 10972 1 0 0
T2 18603 2 0 0
T3 11483 2 0 0
T4 19556 2 0 0
T5 9933 1 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 2 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 3376 0 0
T1 86 1 0 0
T2 75 2 0 0
T3 94 2 0 0
T4 80 2 0 0
T5 78 1 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 2 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 2165 0 0
SrcPulseCheck_M 632797275 2451 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2165 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2451 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_bark_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 2403 0 0
SrcPulseCheck_M 2199489 2403 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2403 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2403 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 2199 0 0
SrcPulseCheck_M 632797275 2498 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2199 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2498 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T25

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T25
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_bite_thold_cdc.u_arb.gen_passthru.u_dst_to_src_ack
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 632797275 2440 0 0
SrcPulseCheck_M 2199489 2441 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 2440 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 2441 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wdog_count_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 3726 0 0
SrcPulseCheck_M 632797275 4043 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 3726 0 0
T1 86 2 0 0
T2 75 3 0 0
T3 94 3 0 0
T4 80 3 0 0
T5 78 2 0 0
T6 99 2 0 0
T7 95 2 0 0
T8 76 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 4043 0 0
T1 10972 2 0 0
T2 18603 3 0 0
T3 11483 3 0 0
T4 19556 3 0 0
T5 9933 2 0 0
T6 50124 2 0 0
T7 48015 2 0 0
T8 36292 3 0 0
T9 0 2 0 0
T10 0 2 0 0
T11 88493 0 0 0
T12 64288 0 0 0

Line Coverage for Instance : tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
TOTAL77100.00
ALWAYS3133100.00
CONT_ASSIGN4900
CONT_ASSIGN5200
ALWAYS5500
ALWAYS8933100.00
CONT_ASSIGN9711100.00

30 always_ff @(posedge clk_src_i or negedge rst_src_ni) begin 31 1/1 if (!rst_src_ni) begin Tests: T1 T2 T3  32 1/1 src_level <= 1'b0; Tests: T1 T2 T3  33 end else begin 34 1/1 src_level <= src_level ^ src_pulse_i; Tests: T1 T2 T3  35 end 36 end 37 38 39 // source active must come far enough such that the destination domain has time 40 // to create a valid pulse. 41 `ifdef INC_ASSERT 42 //VCS coverage off 43 // pragma coverage off 44 45 // source active flag tracks whether there is an ongoing "toggle" event. 46 // Until this toggle event is accepted by the destination domain (negative edge of 47 // of the pulse output), the source side cannot toggle again. 48 logic effective_rst_n; 49 unreachable assign effective_rst_n = rst_src_ni && dst_pulse_o; 50 51 logic src_active_flag_d, src_active_flag_q; 52 unreachable assign src_active_flag_d = src_pulse_i || src_active_flag_q; 53 54 always_ff @(posedge clk_src_i or negedge effective_rst_n) begin 55 unreachable if (!effective_rst_n) begin 56 unreachable src_active_flag_q <= '0; 57 end else begin 58 unreachable src_active_flag_q <= src_active_flag_d; 59 end 60 end 61 62 //VCS coverage on 63 // pragma coverage on 64 65 `ASSERT(SrcPulseCheck_M, src_pulse_i |-> !src_active_flag_q, clk_src_i, !rst_src_ni) 66 `endif 67 68 ////////////////////////////////////////////////////////// 69 // synchronize level signal to destination clock domain // 70 ////////////////////////////////////////////////////////// 71 logic dst_level; 72 73 prim_flop_2sync #(.Width(1)) prim_flop_2sync ( 74 // source clock domain 75 .d_i (src_level), 76 // destination clock domain 77 .clk_i (clk_dst_i), 78 .rst_ni (rst_dst_ni), 79 .q_o (dst_level) 80 ); 81 82 //////////////////////////////////////// 83 // convert level signal back to pulse // 84 //////////////////////////////////////// 85 logic dst_level_q; 86 87 // delay dst_level by 1 cycle 88 always_ff @(posedge clk_dst_i or negedge rst_dst_ni) begin 89 1/1 if (!rst_dst_ni) begin Tests: T1 T2 T3  90 1/1 dst_level_q <= 1'b0; Tests: T1 T2 T3  91 end else begin 92 1/1 dst_level_q <= dst_level; Tests: T1 T2 T3  93 end 94 end 95 96 // edge detection 97 1/1 assign dst_pulse_o = dst_level_q ^ dst_level; Tests: T1 T2 T3 

Cond Coverage for Instance : tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req
TotalCoveredPercent
Conditions88100.00
Logical88100.00
Non-Logical00
Event00

 LINE       34
 EXPRESSION (src_level ^ src_pulse_i)
             ----1----   -----2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT23,T24,T30

 LINE       97
 EXPRESSION (dst_level_q ^ dst_level)
             -----1-----   ----2----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT1,T2,T3
10CoveredT23,T24,T30
11CoveredT1,T2,T3

Branch Coverage for Instance : tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req
Line No.TotalCoveredPercent
Branches 4 4 100.00
IF 31 2 2 100.00
IF 89 2 2 100.00


31 if (!rst_src_ni) begin -1- 32 src_level <= 1'b0; ==> 33 end else begin 34 src_level <= src_level ^ src_pulse_i; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


89 if (!rst_dst_ni) begin -1- 90 dst_level_q <= 1'b0; ==> 91 end else begin 92 dst_level_q <= dst_level; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut.u_reg.u_wkup_cause_cdc.u_src_to_dst_req
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
DstPulseCheck_A 2199489 1716 0 0
SrcPulseCheck_M 632797275 1966 0 0


DstPulseCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 2199489 1716 0 0
T1 86 1 0 0
T2 75 1 0 0
T3 94 1 0 0
T4 80 1 0 0
T5 78 1 0 0
T6 99 1 0 0
T7 95 1 0 0
T8 76 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 1607 0 0 0
T12 856 0 0 0

SrcPulseCheck_M
NameAttemptsReal SuccessesFailuresIncomplete
Total 632797275 1966 0 0
T1 10972 1 0 0
T2 18603 1 0 0
T3 11483 1 0 0
T4 19556 1 0 0
T5 9933 1 0 0
T6 50124 1 0 0
T7 48015 1 0 0
T8 36292 1 0 0
T9 0 1 0 0
T10 0 1 0 0
T11 88493 0 0 0
T12 64288 0 0 0

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