Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T6 T25 T29
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T25,T29 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T25,T29 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
319 |
0 |
0 |
T6 |
460 |
4 |
0 |
0 |
T8 |
623 |
0 |
0 |
0 |
T9 |
601 |
0 |
0 |
0 |
T13 |
420 |
0 |
0 |
0 |
T25 |
535 |
2 |
0 |
0 |
T29 |
671 |
2 |
0 |
0 |
T32 |
654 |
0 |
0 |
0 |
T35 |
372 |
0 |
0 |
0 |
T46 |
794 |
0 |
0 |
0 |
T73 |
662 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
2 |
0 |
0 |
T83 |
0 |
2 |
0 |
0 |
T84 |
0 |
4 |
0 |
0 |
T85 |
0 |
4 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
323 |
0 |
0 |
T6 |
35891 |
5 |
0 |
0 |
T8 |
42967 |
0 |
0 |
0 |
T9 |
49053 |
0 |
0 |
0 |
T13 |
31255 |
0 |
0 |
0 |
T25 |
27362 |
3 |
0 |
0 |
T29 |
36284 |
2 |
0 |
0 |
T32 |
54101 |
0 |
0 |
0 |
T35 |
20032 |
0 |
0 |
0 |
T46 |
54545 |
0 |
0 |
0 |
T73 |
53368 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
2 |
0 |
0 |
T83 |
0 |
2 |
0 |
0 |
T84 |
0 |
5 |
0 |
0 |
T85 |
0 |
5 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T6 T25 T29
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T25,T29 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T25,T29 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
320 |
0 |
0 |
T6 |
35891 |
5 |
0 |
0 |
T8 |
42967 |
0 |
0 |
0 |
T9 |
49053 |
0 |
0 |
0 |
T13 |
31255 |
0 |
0 |
0 |
T25 |
27362 |
2 |
0 |
0 |
T29 |
36284 |
2 |
0 |
0 |
T32 |
54101 |
0 |
0 |
0 |
T35 |
20032 |
0 |
0 |
0 |
T46 |
54545 |
0 |
0 |
0 |
T73 |
53368 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
2 |
0 |
0 |
T83 |
0 |
2 |
0 |
0 |
T84 |
0 |
4 |
0 |
0 |
T85 |
0 |
4 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
320 |
0 |
0 |
T6 |
460 |
5 |
0 |
0 |
T8 |
623 |
0 |
0 |
0 |
T9 |
601 |
0 |
0 |
0 |
T13 |
420 |
0 |
0 |
0 |
T25 |
535 |
2 |
0 |
0 |
T29 |
671 |
2 |
0 |
0 |
T32 |
654 |
0 |
0 |
0 |
T35 |
372 |
0 |
0 |
0 |
T46 |
794 |
0 |
0 |
0 |
T73 |
662 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
2 |
0 |
0 |
T83 |
0 |
2 |
0 |
0 |
T84 |
0 |
4 |
0 |
0 |
T85 |
0 |
4 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
324 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
324 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
324 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
324 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T26 T74 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T74,T407 |
1 | 1 | Covered | T26,T558,T673 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T558,T673 |
1 | 1 | Covered | T26,T74,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
341 |
0 |
0 |
T26 |
926 |
2 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
6150 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
881 |
0 |
0 |
0 |
T287 |
9806 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
2843 |
0 |
0 |
0 |
T446 |
2882 |
0 |
0 |
0 |
T447 |
939 |
0 |
0 |
0 |
T448 |
2907 |
0 |
0 |
0 |
T449 |
2730 |
0 |
0 |
0 |
T450 |
2894 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
342 |
0 |
0 |
T26 |
36091 |
3 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
707630 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
62177 |
0 |
0 |
0 |
T287 |
101570 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
315616 |
0 |
0 |
0 |
T446 |
324214 |
0 |
0 |
0 |
T447 |
54887 |
0 |
0 |
0 |
T448 |
327701 |
0 |
0 |
0 |
T449 |
299140 |
0 |
0 |
0 |
T450 |
326025 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T26 T74 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T74,T407 |
1 | 1 | Covered | T26,T558,T673 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T558,T673 |
1 | 1 | Covered | T26,T74,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
341 |
0 |
0 |
T26 |
36091 |
2 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
707630 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
62177 |
0 |
0 |
0 |
T287 |
101570 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
315616 |
0 |
0 |
0 |
T446 |
324214 |
0 |
0 |
0 |
T447 |
54887 |
0 |
0 |
0 |
T448 |
327701 |
0 |
0 |
0 |
T449 |
299140 |
0 |
0 |
0 |
T450 |
326025 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
341 |
0 |
0 |
T26 |
926 |
2 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
6150 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
881 |
0 |
0 |
0 |
T287 |
9806 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
2843 |
0 |
0 |
0 |
T446 |
2882 |
0 |
0 |
0 |
T447 |
939 |
0 |
0 |
0 |
T448 |
2907 |
0 |
0 |
0 |
T449 |
2730 |
0 |
0 |
0 |
T450 |
2894 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
327 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
327 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
327 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
327 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T27 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T74,T27,T407 |
1 | 1 | Covered | T27,T558,T673 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T27,T558,T673 |
1 | 1 | Covered | T74,T27,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
309 |
0 |
0 |
T27 |
0 |
2 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
310 |
0 |
0 |
T27 |
0 |
3 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T27 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T74,T27,T407 |
1 | 1 | Covered | T27,T558,T673 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T27,T558,T673 |
1 | 1 | Covered | T74,T27,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
309 |
0 |
0 |
T27 |
0 |
2 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
309 |
0 |
0 |
T27 |
0 |
2 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T77 T78 T79
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T77,T78,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T77,T78,T79 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
335 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
1262 |
2 |
0 |
0 |
T78 |
0 |
4 |
0 |
0 |
T79 |
0 |
2 |
0 |
0 |
T90 |
713 |
0 |
0 |
0 |
T127 |
0 |
2 |
0 |
0 |
T129 |
0 |
4 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T156 |
890 |
0 |
0 |
0 |
T203 |
869 |
0 |
0 |
0 |
T214 |
536 |
0 |
0 |
0 |
T272 |
1234 |
0 |
0 |
0 |
T278 |
1288 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T414 |
301 |
0 |
0 |
0 |
T452 |
0 |
2 |
0 |
0 |
T453 |
0 |
2 |
0 |
0 |
T454 |
0 |
4 |
0 |
0 |
T455 |
0 |
2 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
335 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
46224 |
2 |
0 |
0 |
T78 |
0 |
4 |
0 |
0 |
T79 |
0 |
2 |
0 |
0 |
T90 |
40558 |
0 |
0 |
0 |
T127 |
0 |
2 |
0 |
0 |
T129 |
0 |
4 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T156 |
45222 |
0 |
0 |
0 |
T203 |
51657 |
0 |
0 |
0 |
T214 |
26259 |
0 |
0 |
0 |
T272 |
123656 |
0 |
0 |
0 |
T278 |
123966 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T414 |
13065 |
0 |
0 |
0 |
T452 |
0 |
2 |
0 |
0 |
T453 |
0 |
2 |
0 |
0 |
T454 |
0 |
4 |
0 |
0 |
T455 |
0 |
2 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T77 T78 T79
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T77,T78,T79 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T77,T78,T79 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
335 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
46224 |
2 |
0 |
0 |
T78 |
0 |
4 |
0 |
0 |
T79 |
0 |
2 |
0 |
0 |
T90 |
40558 |
0 |
0 |
0 |
T127 |
0 |
2 |
0 |
0 |
T129 |
0 |
4 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T156 |
45222 |
0 |
0 |
0 |
T203 |
51657 |
0 |
0 |
0 |
T214 |
26259 |
0 |
0 |
0 |
T272 |
123656 |
0 |
0 |
0 |
T278 |
123966 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T414 |
13065 |
0 |
0 |
0 |
T452 |
0 |
2 |
0 |
0 |
T453 |
0 |
2 |
0 |
0 |
T454 |
0 |
4 |
0 |
0 |
T455 |
0 |
2 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
335 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
1262 |
2 |
0 |
0 |
T78 |
0 |
4 |
0 |
0 |
T79 |
0 |
2 |
0 |
0 |
T90 |
713 |
0 |
0 |
0 |
T127 |
0 |
2 |
0 |
0 |
T129 |
0 |
4 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T156 |
890 |
0 |
0 |
0 |
T203 |
869 |
0 |
0 |
0 |
T214 |
536 |
0 |
0 |
0 |
T272 |
1234 |
0 |
0 |
0 |
T278 |
1288 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T414 |
301 |
0 |
0 |
0 |
T452 |
0 |
2 |
0 |
0 |
T453 |
0 |
2 |
0 |
0 |
T454 |
0 |
4 |
0 |
0 |
T455 |
0 |
2 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
331 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
331 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
331 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
331 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
284 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
284 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_en_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
284 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
284 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T6 T25 T29
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T84,T85 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T84,T85 |
1 | 1 | Covered | T6,T25,T29 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
364 |
0 |
0 |
T6 |
460 |
2 |
0 |
0 |
T8 |
623 |
0 |
0 |
0 |
T9 |
601 |
0 |
0 |
0 |
T13 |
420 |
0 |
0 |
0 |
T25 |
535 |
1 |
0 |
0 |
T29 |
671 |
1 |
0 |
0 |
T32 |
654 |
0 |
0 |
0 |
T35 |
372 |
0 |
0 |
0 |
T46 |
794 |
0 |
0 |
0 |
T73 |
662 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
2 |
0 |
0 |
T85 |
0 |
2 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
364 |
0 |
0 |
T6 |
35891 |
2 |
0 |
0 |
T8 |
42967 |
0 |
0 |
0 |
T9 |
49053 |
0 |
0 |
0 |
T13 |
31255 |
0 |
0 |
0 |
T25 |
27362 |
1 |
0 |
0 |
T29 |
36284 |
1 |
0 |
0 |
T32 |
54101 |
0 |
0 |
0 |
T35 |
20032 |
0 |
0 |
0 |
T46 |
54545 |
0 |
0 |
0 |
T73 |
53368 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
2 |
0 |
0 |
T85 |
0 |
2 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T6 T25 T29
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T25,T29 |
1 | 1 | Covered | T6,T84,T85 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T6,T25,T29 |
1 | 0 | Covered | T6,T84,T85 |
1 | 1 | Covered | T6,T25,T29 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
364 |
0 |
0 |
T6 |
35891 |
2 |
0 |
0 |
T8 |
42967 |
0 |
0 |
0 |
T9 |
49053 |
0 |
0 |
0 |
T13 |
31255 |
0 |
0 |
0 |
T25 |
27362 |
1 |
0 |
0 |
T29 |
36284 |
1 |
0 |
0 |
T32 |
54101 |
0 |
0 |
0 |
T35 |
20032 |
0 |
0 |
0 |
T46 |
54545 |
0 |
0 |
0 |
T73 |
53368 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
2 |
0 |
0 |
T85 |
0 |
2 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
364 |
0 |
0 |
T6 |
460 |
2 |
0 |
0 |
T8 |
623 |
0 |
0 |
0 |
T9 |
601 |
0 |
0 |
0 |
T13 |
420 |
0 |
0 |
0 |
T25 |
535 |
1 |
0 |
0 |
T29 |
671 |
1 |
0 |
0 |
T32 |
654 |
0 |
0 |
0 |
T35 |
372 |
0 |
0 |
0 |
T46 |
794 |
0 |
0 |
0 |
T73 |
662 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T76 |
0 |
1 |
0 |
0 |
T83 |
0 |
1 |
0 |
0 |
T84 |
0 |
2 |
0 |
0 |
T85 |
0 |
2 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
300 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
300 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
300 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
300 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T26 T74 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T74,T407 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T26,T74,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
315 |
0 |
0 |
T26 |
926 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
6150 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
881 |
0 |
0 |
0 |
T287 |
9806 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
2843 |
0 |
0 |
0 |
T446 |
2882 |
0 |
0 |
0 |
T447 |
939 |
0 |
0 |
0 |
T448 |
2907 |
0 |
0 |
0 |
T449 |
2730 |
0 |
0 |
0 |
T450 |
2894 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
315 |
0 |
0 |
T26 |
36091 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
707630 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
62177 |
0 |
0 |
0 |
T287 |
101570 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
315616 |
0 |
0 |
0 |
T446 |
324214 |
0 |
0 |
0 |
T447 |
54887 |
0 |
0 |
0 |
T448 |
327701 |
0 |
0 |
0 |
T449 |
299140 |
0 |
0 |
0 |
T450 |
326025 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T26 T74 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T26,T74,T407 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T26,T74,T407 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T26,T74,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
315 |
0 |
0 |
T26 |
36091 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
707630 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
62177 |
0 |
0 |
0 |
T287 |
101570 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
315616 |
0 |
0 |
0 |
T446 |
324214 |
0 |
0 |
0 |
T447 |
54887 |
0 |
0 |
0 |
T448 |
327701 |
0 |
0 |
0 |
T449 |
299140 |
0 |
0 |
0 |
T450 |
326025 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
315 |
0 |
0 |
T26 |
926 |
1 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T95 |
6150 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T265 |
881 |
0 |
0 |
0 |
T287 |
9806 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T445 |
2843 |
0 |
0 |
0 |
T446 |
2882 |
0 |
0 |
0 |
T447 |
939 |
0 |
0 |
0 |
T448 |
2907 |
0 |
0 |
0 |
T449 |
2730 |
0 |
0 |
0 |
T450 |
2894 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
322 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
322 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
322 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
322 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T27 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T74,T27,T407 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T27,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
320 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
320 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T27 T407
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T74,T27,T407 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T27,T407 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T27,T407 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
320 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
320 |
0 |
0 |
T27 |
0 |
1 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T77 T78 T79
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T78,T129,T454 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T78,T129,T454 |
1 | 1 | Covered | T77,T78,T79 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
290 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
1262 |
1 |
0 |
0 |
T78 |
0 |
2 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T90 |
713 |
0 |
0 |
0 |
T127 |
0 |
1 |
0 |
0 |
T129 |
0 |
2 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T156 |
890 |
0 |
0 |
0 |
T203 |
869 |
0 |
0 |
0 |
T214 |
536 |
0 |
0 |
0 |
T272 |
1234 |
0 |
0 |
0 |
T278 |
1288 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T414 |
301 |
0 |
0 |
0 |
T452 |
0 |
1 |
0 |
0 |
T453 |
0 |
1 |
0 |
0 |
T454 |
0 |
2 |
0 |
0 |
T455 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
290 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
46224 |
1 |
0 |
0 |
T78 |
0 |
2 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T90 |
40558 |
0 |
0 |
0 |
T127 |
0 |
1 |
0 |
0 |
T129 |
0 |
2 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T156 |
45222 |
0 |
0 |
0 |
T203 |
51657 |
0 |
0 |
0 |
T214 |
26259 |
0 |
0 |
0 |
T272 |
123656 |
0 |
0 |
0 |
T278 |
123966 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T414 |
13065 |
0 |
0 |
0 |
T452 |
0 |
1 |
0 |
0 |
T453 |
0 |
1 |
0 |
0 |
T454 |
0 |
2 |
0 |
0 |
T455 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T77 T78 T79
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T77,T78,T79 |
1 | 1 | Covered | T78,T129,T454 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T77,T78,T79 |
1 | 0 | Covered | T78,T129,T454 |
1 | 1 | Covered | T77,T78,T79 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
290 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
46224 |
1 |
0 |
0 |
T78 |
0 |
2 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T90 |
40558 |
0 |
0 |
0 |
T127 |
0 |
1 |
0 |
0 |
T129 |
0 |
2 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T156 |
45222 |
0 |
0 |
0 |
T203 |
51657 |
0 |
0 |
0 |
T214 |
26259 |
0 |
0 |
0 |
T272 |
123656 |
0 |
0 |
0 |
T278 |
123966 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T414 |
13065 |
0 |
0 |
0 |
T452 |
0 |
1 |
0 |
0 |
T453 |
0 |
1 |
0 |
0 |
T454 |
0 |
2 |
0 |
0 |
T455 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
290 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T77 |
1262 |
1 |
0 |
0 |
T78 |
0 |
2 |
0 |
0 |
T79 |
0 |
1 |
0 |
0 |
T90 |
713 |
0 |
0 |
0 |
T127 |
0 |
1 |
0 |
0 |
T129 |
0 |
2 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T156 |
890 |
0 |
0 |
0 |
T203 |
869 |
0 |
0 |
0 |
T214 |
536 |
0 |
0 |
0 |
T272 |
1234 |
0 |
0 |
0 |
T278 |
1288 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T414 |
301 |
0 |
0 |
0 |
T452 |
0 |
1 |
0 |
0 |
T453 |
0 |
1 |
0 |
0 |
T454 |
0 |
2 |
0 |
0 |
T455 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
297 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
297 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
297 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
297 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
327 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
327 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
327 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
327 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
285 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
285 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T559 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T559 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
285 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
285 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T90 T128 T74
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T90,T128,T74 |
1 | 0 | Covered | T90,T128,T74 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T90,T128,T74 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T90,T128,T74 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
298 |
0 |
0 |
T19 |
2207 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T90 |
713 |
1 |
0 |
0 |
T91 |
1127 |
0 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T215 |
442 |
0 |
0 |
0 |
T257 |
1097 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T346 |
1364 |
0 |
0 |
0 |
T347 |
363 |
0 |
0 |
0 |
T348 |
1290 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
302 |
0 |
0 |
T19 |
239567 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T90 |
40558 |
1 |
0 |
0 |
T91 |
47320 |
0 |
0 |
0 |
T128 |
0 |
1 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T215 |
22793 |
0 |
0 |
0 |
T257 |
104083 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T346 |
144217 |
0 |
0 |
0 |
T347 |
23038 |
0 |
0 |
0 |
T348 |
130943 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T459 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T90 T128 T74
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T90,T128,T74 |
1 | 0 | Covered | T90,T74,T407 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T90,T128,T74 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T90,T128,T74 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
302 |
0 |
0 |
T19 |
239567 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T90 |
40558 |
1 |
0 |
0 |
T91 |
47320 |
0 |
0 |
0 |
T128 |
0 |
1 |
0 |
0 |
T151 |
49045 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T215 |
22793 |
0 |
0 |
0 |
T257 |
104083 |
0 |
0 |
0 |
T345 |
56857 |
0 |
0 |
0 |
T346 |
144217 |
0 |
0 |
0 |
T347 |
23038 |
0 |
0 |
0 |
T348 |
130943 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T459 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
302 |
0 |
0 |
T19 |
2207 |
0 |
0 |
0 |
T74 |
0 |
1 |
0 |
0 |
T90 |
713 |
1 |
0 |
0 |
T91 |
1127 |
0 |
0 |
0 |
T128 |
0 |
1 |
0 |
0 |
T151 |
1190 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T215 |
442 |
0 |
0 |
0 |
T257 |
1097 |
0 |
0 |
0 |
T345 |
813 |
0 |
0 |
0 |
T346 |
1364 |
0 |
0 |
0 |
T347 |
363 |
0 |
0 |
0 |
T348 |
1290 |
0 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T459 |
0 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
322 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
322 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
TOTAL | | 7 | 7 | 100.00 |
ALWAYS | 31 | 3 | 3 | 100.00 |
CONT_ASSIGN | 49 | 0 | 0 | |
CONT_ASSIGN | 52 | 0 | 0 | |
ALWAYS | 55 | 0 | 0 | |
ALWAYS | 89 | 3 | 3 | 100.00 |
CONT_ASSIGN | 97 | 1 | 1 | 100.00 |
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: T74 T407 T158
Cond Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Total | Covered | Percent |
Conditions | 8 | 8 | 100.00 |
Logical | 8 | 8 | 100.00 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T74,T407,T158 |
1 | 1 | Covered | T558,T673,T403 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T1,T2,T3 |
0 | 1 | Covered | T74,T407,T158 |
1 | 0 | Covered | T558,T673,T403 |
1 | 1 | Covered | T74,T407,T158 |
Branch Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
| Line No. | Total | Covered | Percent |
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- | Status | Tests |
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- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.top_earlgrey.u_pinmux_aon.u_reg.u_wkup_detector_cnt_th_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
144043060 |
322 |
0 |
0 |
T74 |
245191 |
1 |
0 |
0 |
T129 |
157712 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
11268 |
0 |
0 |
0 |
T438 |
17634 |
0 |
0 |
0 |
T439 |
45269 |
0 |
0 |
0 |
T440 |
17072 |
0 |
0 |
0 |
T441 |
127801 |
0 |
0 |
0 |
T442 |
23495 |
0 |
0 |
0 |
T443 |
46713 |
0 |
0 |
0 |
T444 |
19319 |
0 |
0 |
0 |
SrcPulseCheck_M
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1674537 |
322 |
0 |
0 |
T74 |
2314 |
1 |
0 |
0 |
T129 |
4749 |
0 |
0 |
0 |
T180 |
0 |
1 |
0 |
0 |
T407 |
0 |
1 |
0 |
0 |
T408 |
0 |
1 |
0 |
0 |
T421 |
0 |
1 |
0 |
0 |
T422 |
0 |
1 |
0 |
0 |
T433 |
0 |
1 |
0 |
0 |
T434 |
0 |
1 |
0 |
0 |
T435 |
0 |
1 |
0 |
0 |
T436 |
0 |
1 |
0 |
0 |
T437 |
272 |
0 |
0 |
0 |
T438 |
331 |
0 |
0 |
0 |
T439 |
801 |
0 |
0 |
0 |
T440 |
393 |
0 |
0 |
0 |
T441 |
1253 |
0 |
0 |
0 |
T442 |
400 |
0 |
0 |
0 |
T443 |
600 |
0 |
0 |
0 |
T444 |
325 |
0 |
0 |
0 |