Line Coverage for Module :
prim_pulse_sync
| 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: T1 T2 T3
Cond Coverage for Module :
prim_pulse_sync
| 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 | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T1,T2,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T3 |
Branch Coverage for Module :
prim_pulse_sync
| 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 Module :
prim_pulse_sync
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
304972 |
0 |
0 |
| T1 |
427564 |
102 |
0 |
0 |
| T2 |
119517 |
89 |
0 |
0 |
| T3 |
1087070 |
0 |
0 |
0 |
| T4 |
735382 |
102 |
0 |
0 |
| T5 |
5328994 |
40 |
0 |
0 |
| T6 |
5791434 |
48 |
0 |
0 |
| T7 |
11798251 |
222 |
0 |
0 |
| T8 |
3653777 |
36 |
0 |
0 |
| T9 |
5627858 |
102 |
0 |
0 |
| T10 |
7673174 |
40 |
0 |
0 |
| T11 |
7164776 |
70 |
0 |
0 |
| T12 |
9308250 |
34 |
0 |
0 |
| T13 |
445849 |
34 |
0 |
0 |
| T14 |
0 |
34 |
0 |
0 |
| T15 |
0 |
34 |
0 |
0 |
| T16 |
0 |
102 |
0 |
0 |
| T17 |
0 |
34 |
0 |
0 |
| T18 |
86103 |
0 |
0 |
0 |
| T19 |
641091 |
0 |
0 |
0 |
| T20 |
7800266 |
0 |
0 |
0 |
| T30 |
128449 |
15 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T105 |
0 |
20 |
0 |
0 |
| T106 |
0 |
3 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
308625 |
0 |
0 |
| T1 |
286931 |
102 |
0 |
0 |
| T2 |
81538 |
89 |
0 |
0 |
| T3 |
872536 |
0 |
0 |
0 |
| T4 |
590408 |
102 |
0 |
0 |
| T5 |
5328994 |
40 |
0 |
0 |
| T6 |
5791434 |
48 |
0 |
0 |
| T7 |
12143690 |
223 |
0 |
0 |
| T8 |
3810998 |
36 |
0 |
0 |
| T9 |
6185944 |
102 |
0 |
0 |
| T10 |
8387906 |
40 |
0 |
0 |
| T11 |
7927988 |
70 |
0 |
0 |
| T12 |
10169372 |
34 |
0 |
0 |
| T13 |
788813 |
34 |
0 |
0 |
| T14 |
0 |
34 |
0 |
0 |
| T15 |
0 |
34 |
0 |
0 |
| T16 |
0 |
102 |
0 |
0 |
| T17 |
0 |
34 |
0 |
0 |
| T18 |
69003 |
0 |
0 |
0 |
| T19 |
668846 |
0 |
0 |
0 |
| T20 |
8573644 |
0 |
0 |
0 |
| T30 |
253871 |
15 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T105 |
0 |
20 |
0 |
0 |
| T106 |
0 |
3 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
| Total | Covered | Percent |
|---|
| Conditions | 5 | 2 | 40.00 |
| Logical | 5 | 2 | 40.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Unreachable | |
| 1 | 0 | Excluded | |
VC_COV_UNR |
| 1 | 1 | Unreachable | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Not Covered | |
| 1 | 0 | Not Covered | |
| 1 | 1 | Not Covered | |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_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.u_reg.u_adc_chn_val_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
| Total | Covered | Percent |
|---|
| Conditions | 5 | 2 | 40.00 |
| Logical | 5 | 2 | 40.00 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 | |
LINE 34
EXPRESSION (src_level ^ src_pulse_i)
----1---- -----2-----
| -1- | -2- | Status | Tests | Exclude Annotation |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Unreachable | |
| 1 | 0 | Excluded | |
VC_COV_UNR |
| 1 | 1 | Unreachable | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Not Covered | |
| 1 | 0 | Not Covered | |
| 1 | 1 | Not Covered | |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn_val_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.u_reg.u_adc_chn_val_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
| Total | Covered | Percent |
|---|
| Conditions | 8 | 6 | 75.00 |
| Logical | 8 | 6 | 75.00 |
| 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 | T7,T8,T33 |
| 1 | 0 | Covered | T7,T8,T33 |
| 1 | 1 | Not Covered | |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T7,T8,T33 |
| 1 | 0 | Not Covered | |
| 1 | 1 | Covered | T7,T8,T33 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_state_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.u_reg.u_adc_fsm_state_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
88 |
0 |
0 |
| T7 |
81982 |
1 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
0 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
0 |
0 |
0 |
| T13 |
34295 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T21 |
0 |
1 |
0 |
0 |
| T30 |
1009 |
0 |
0 |
0 |
| T33 |
0 |
1 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T36 |
0 |
1 |
0 |
0 |
| T37 |
0 |
1 |
0 |
0 |
| T38 |
0 |
1 |
0 |
0 |
| T39 |
0 |
1 |
0 |
0 |
| T40 |
0 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
375 |
0 |
0 |
| T7 |
427421 |
9 |
0 |
0 |
| T8 |
158023 |
5 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
0 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
0 |
0 |
0 |
| T13 |
377259 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T21 |
0 |
4 |
0 |
0 |
| T30 |
126431 |
0 |
0 |
0 |
| T33 |
0 |
5 |
0 |
0 |
| T35 |
0 |
10 |
0 |
0 |
| T36 |
0 |
9 |
0 |
0 |
| T37 |
0 |
4 |
0 |
0 |
| T38 |
0 |
9 |
0 |
0 |
| T39 |
0 |
5 |
0 |
0 |
| T40 |
0 |
5 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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 | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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.u_reg.u_adc_en_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
31480 |
0 |
0 |
| T1 |
1133 |
41 |
0 |
0 |
| T2 |
1116 |
41 |
0 |
0 |
| T3 |
1600 |
0 |
0 |
0 |
| T4 |
1168 |
41 |
0 |
0 |
| T5 |
32296 |
3 |
0 |
0 |
| T6 |
546 |
21 |
0 |
0 |
| T7 |
81982 |
23 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
0 |
41 |
0 |
0 |
| T10 |
0 |
3 |
0 |
0 |
| T11 |
0 |
35 |
0 |
0 |
| T18 |
67 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
31669 |
0 |
0 |
| T1 |
141766 |
41 |
0 |
0 |
| T2 |
39095 |
41 |
0 |
0 |
| T3 |
216134 |
0 |
0 |
0 |
| T4 |
146142 |
41 |
0 |
0 |
| T5 |
209931 |
3 |
0 |
0 |
| T6 |
262701 |
21 |
0 |
0 |
| T7 |
427421 |
24 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
0 |
41 |
0 |
0 |
| T10 |
0 |
3 |
0 |
0 |
| T11 |
0 |
35 |
0 |
0 |
| T18 |
17167 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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 | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_en_ctl_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.u_reg.u_adc_en_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
31615 |
0 |
0 |
| T1 |
141766 |
41 |
0 |
0 |
| T2 |
39095 |
41 |
0 |
0 |
| T3 |
216134 |
0 |
0 |
0 |
| T4 |
146142 |
41 |
0 |
0 |
| T5 |
209931 |
3 |
0 |
0 |
| T6 |
262701 |
21 |
0 |
0 |
| T7 |
427421 |
23 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
0 |
41 |
0 |
0 |
| T10 |
0 |
3 |
0 |
0 |
| T11 |
0 |
35 |
0 |
0 |
| T18 |
17167 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
31628 |
0 |
0 |
| T1 |
1133 |
41 |
0 |
0 |
| T2 |
1116 |
41 |
0 |
0 |
| T3 |
1600 |
0 |
0 |
0 |
| T4 |
1168 |
41 |
0 |
0 |
| T5 |
32296 |
3 |
0 |
0 |
| T6 |
546 |
21 |
0 |
0 |
| T7 |
81982 |
23 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
0 |
41 |
0 |
0 |
| T10 |
0 |
3 |
0 |
0 |
| T11 |
0 |
35 |
0 |
0 |
| T18 |
67 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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 | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T2,T5,T6 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T4 |
| 1 | 0 | Covered | T2,T5,T6 |
| 1 | 1 | Covered | T1,T2,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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.u_reg.u_adc_pd_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
14989 |
0 |
0 |
| T1 |
1133 |
1 |
0 |
0 |
| T2 |
1116 |
20 |
0 |
0 |
| T3 |
1600 |
0 |
0 |
0 |
| T4 |
1168 |
1 |
0 |
0 |
| T5 |
32296 |
2 |
0 |
0 |
| T6 |
546 |
10 |
0 |
0 |
| T7 |
81982 |
16 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
0 |
1 |
0 |
0 |
| T10 |
0 |
2 |
0 |
0 |
| T11 |
0 |
17 |
0 |
0 |
| T18 |
67 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
15136 |
0 |
0 |
| T1 |
141766 |
1 |
0 |
0 |
| T2 |
39095 |
20 |
0 |
0 |
| T3 |
216134 |
0 |
0 |
0 |
| T4 |
146142 |
1 |
0 |
0 |
| T5 |
209931 |
2 |
0 |
0 |
| T6 |
262701 |
10 |
0 |
0 |
| T7 |
427421 |
17 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
0 |
1 |
0 |
0 |
| T10 |
0 |
2 |
0 |
0 |
| T11 |
0 |
17 |
0 |
0 |
| T18 |
17167 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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 | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T2,T5,T6 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T4 |
| 1 | 0 | Covered | T2,T5,T6 |
| 1 | 1 | Covered | T1,T2,T4 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_pd_ctl_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.u_reg.u_adc_pd_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
15125 |
0 |
0 |
| T1 |
141766 |
1 |
0 |
0 |
| T2 |
39095 |
20 |
0 |
0 |
| T3 |
216134 |
0 |
0 |
0 |
| T4 |
146142 |
1 |
0 |
0 |
| T5 |
209931 |
2 |
0 |
0 |
| T6 |
262701 |
10 |
0 |
0 |
| T7 |
427421 |
16 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
0 |
1 |
0 |
0 |
| T10 |
0 |
2 |
0 |
0 |
| T11 |
0 |
17 |
0 |
0 |
| T18 |
17167 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
15125 |
0 |
0 |
| T1 |
1133 |
1 |
0 |
0 |
| T2 |
1116 |
20 |
0 |
0 |
| T3 |
1600 |
0 |
0 |
0 |
| T4 |
1168 |
1 |
0 |
0 |
| T5 |
32296 |
2 |
0 |
0 |
| T6 |
546 |
10 |
0 |
0 |
| T7 |
81982 |
16 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
0 |
1 |
0 |
0 |
| T10 |
0 |
2 |
0 |
0 |
| T11 |
0 |
17 |
0 |
0 |
| T18 |
67 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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 | T3,T18,T5 |
| 1 | 0 | Covered | T3,T18,T5 |
| 1 | 1 | Covered | T7,T16,T34 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T3,T18,T5 |
| 1 | 0 | Covered | T7,T16,T34 |
| 1 | 1 | Covered | T3,T18,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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.u_reg.u_adc_lp_sample_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
11910 |
0 |
0 |
| T3 |
1600 |
1 |
0 |
0 |
| T4 |
1168 |
0 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
13 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
67 |
1 |
0 |
0 |
| T19 |
58 |
1 |
0 |
0 |
| T20 |
1583 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
12096 |
0 |
0 |
| T3 |
216134 |
1 |
0 |
0 |
| T4 |
146142 |
0 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
13 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
17167 |
1 |
0 |
0 |
| T19 |
27813 |
1 |
0 |
0 |
| T20 |
388272 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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 | T3,T18,T5 |
| 1 | 0 | Covered | T3,T18,T5 |
| 1 | 1 | Covered | T7,T16,T34 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T3,T18,T5 |
| 1 | 0 | Covered | T7,T16,T34 |
| 1 | 1 | Covered | T3,T18,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_lp_sample_ctl_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.u_reg.u_adc_lp_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
12052 |
0 |
0 |
| T3 |
216134 |
1 |
0 |
0 |
| T4 |
146142 |
0 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
13 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
17167 |
1 |
0 |
0 |
| T19 |
27813 |
1 |
0 |
0 |
| T20 |
388272 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
12052 |
0 |
0 |
| T3 |
1600 |
1 |
0 |
0 |
| T4 |
1168 |
0 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
13 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
67 |
1 |
0 |
0 |
| T19 |
58 |
1 |
0 |
0 |
| T20 |
1583 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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 | T3,T18,T5 |
| 1 | 0 | Covered | T3,T18,T5 |
| 1 | 1 | Covered | T7,T16,T34 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T3,T18,T5 |
| 1 | 0 | Covered | T7,T16,T34 |
| 1 | 1 | Covered | T3,T18,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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.u_reg.u_adc_sample_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
11951 |
0 |
0 |
| T3 |
1600 |
1 |
0 |
0 |
| T4 |
1168 |
0 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
13 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
67 |
1 |
0 |
0 |
| T19 |
58 |
1 |
0 |
0 |
| T20 |
1583 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
12137 |
0 |
0 |
| T3 |
216134 |
1 |
0 |
0 |
| T4 |
146142 |
0 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
13 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
17167 |
1 |
0 |
0 |
| T19 |
27813 |
1 |
0 |
0 |
| T20 |
388272 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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 | T3,T18,T5 |
| 1 | 0 | Covered | T3,T18,T5 |
| 1 | 1 | Covered | T7,T16,T34 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T3,T18,T5 |
| 1 | 0 | Covered | T7,T16,T34 |
| 1 | 1 | Covered | T3,T18,T5 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_sample_ctl_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.u_reg.u_adc_sample_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
12093 |
0 |
0 |
| T3 |
216134 |
1 |
0 |
0 |
| T4 |
146142 |
0 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
13 |
0 |
0 |
| T8 |
158023 |
2 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
17167 |
1 |
0 |
0 |
| T19 |
27813 |
1 |
0 |
0 |
| T20 |
388272 |
1 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
12093 |
0 |
0 |
| T3 |
1600 |
1 |
0 |
0 |
| T4 |
1168 |
0 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
13 |
0 |
0 |
| T8 |
802 |
2 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
0 |
1 |
0 |
0 |
| T12 |
0 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T18 |
67 |
1 |
0 |
0 |
| T19 |
58 |
1 |
0 |
0 |
| T20 |
1583 |
1 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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 | T5,T7,T10 |
| 1 | 0 | Covered | T5,T7,T10 |
| 1 | 1 | Covered | T5,T7,T10 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T10 |
| 1 | 0 | Covered | T5,T7,T10 |
| 1 | 1 | Covered | T5,T7,T10 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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.u_reg.u_adc_fsm_rst_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
16889 |
0 |
0 |
| T5 |
32296 |
2 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
10 |
0 |
0 |
| T8 |
802 |
0 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
2 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
2 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T14 |
0 |
2 |
0 |
0 |
| T15 |
0 |
2 |
0 |
0 |
| T16 |
0 |
6 |
0 |
0 |
| T17 |
0 |
2 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
17026 |
0 |
0 |
| T5 |
209931 |
2 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
10 |
0 |
0 |
| T8 |
158023 |
0 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
2 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
2 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T14 |
0 |
2 |
0 |
0 |
| T15 |
0 |
2 |
0 |
0 |
| T16 |
0 |
6 |
0 |
0 |
| T17 |
0 |
2 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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 | T5,T7,T10 |
| 1 | 0 | Covered | T5,T7,T10 |
| 1 | 1 | Covered | T5,T7,T10 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T10 |
| 1 | 0 | Covered | T5,T7,T10 |
| 1 | 1 | Covered | T5,T7,T10 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_fsm_rst_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.u_reg.u_adc_fsm_rst_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
17018 |
0 |
0 |
| T5 |
209931 |
2 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
10 |
0 |
0 |
| T8 |
158023 |
0 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
2 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
2 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T14 |
0 |
2 |
0 |
0 |
| T15 |
0 |
2 |
0 |
0 |
| T16 |
0 |
6 |
0 |
0 |
| T17 |
0 |
2 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
17018 |
0 |
0 |
| T5 |
32296 |
2 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
10 |
0 |
0 |
| T8 |
802 |
0 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
2 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
2 |
0 |
0 |
| T13 |
0 |
2 |
0 |
0 |
| T14 |
0 |
2 |
0 |
0 |
| T15 |
0 |
2 |
0 |
0 |
| T16 |
0 |
6 |
0 |
0 |
| T17 |
0 |
2 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T34 |
0 |
4 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1773 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
6 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1912 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
6 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1904 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
6 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1904 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
6 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1663 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1803 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1794 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1794 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1688 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1829 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1820 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1820 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1686 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1828 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1819 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1819 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1713 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1853 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1845 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1845 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1679 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1818 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1809 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1809 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1674 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1817 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1806 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1806 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1669 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1808 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn0_filter_ctl_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.u_reg.u_adc_chn0_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1799 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1799 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1797 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
6 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1938 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
6 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_0_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1930 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
6 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1930 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
6 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1672 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1809 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_1_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1801 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1801 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1665 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1806 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_2_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1797 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1797 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1701 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1838 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_3_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1830 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1830 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1717 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1855 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_4_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1848 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1848 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1685 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1822 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_5_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1814 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1814 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1697 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1835 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_6_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1828 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1828 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1698 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1836 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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 | T5,T7,T8 |
| 1 | 0 | Covered | T5,T7,T8 |
| 1 | 1 | Covered | T16,T34,T41 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T8 |
| 1 | 0 | Covered | T16,T34,T41 |
| 1 | 1 | Covered | T5,T7,T8 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_chn1_filter_ctl_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.u_reg.u_adc_chn1_filter_ctl_7_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1829 |
0 |
0 |
| T5 |
209931 |
1 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
5 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1829 |
0 |
0 |
| T5 |
32296 |
1 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
5 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
0 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T15 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T17 |
0 |
1 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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 | T7,T8,T10 |
| 1 | 0 | Covered | T7,T8,T10 |
| 1 | 1 | Covered | T16,T41,T42 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T7,T8,T10 |
| 1 | 0 | Covered | T16,T41,T42 |
| 1 | 1 | Covered | T7,T8,T10 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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.u_reg.u_adc_wakeup_ctl_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1233 |
0 |
0 |
| T7 |
81982 |
3 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
34295 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T30 |
1009 |
0 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T41 |
0 |
2 |
0 |
0 |
| T42 |
0 |
2 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1370 |
0 |
0 |
| T7 |
427421 |
3 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
377259 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T30 |
126431 |
0 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T41 |
0 |
2 |
0 |
0 |
| T42 |
0 |
2 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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 | T7,T8,T10 |
| 1 | 0 | Covered | T7,T8,T10 |
| 1 | 1 | Covered | T16,T41,T42 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T7,T8,T10 |
| 1 | 0 | Covered | T16,T41,T42 |
| 1 | 1 | Covered | T7,T8,T10 |
Branch Coverage for Instance : tb.dut.u_reg.u_adc_wakeup_ctl_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.u_reg.u_adc_wakeup_ctl_cdc.u_arb.gen_passthru.u_dst_to_src_ack
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
1362 |
0 |
0 |
| T7 |
427421 |
3 |
0 |
0 |
| T8 |
158023 |
1 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
1 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
1 |
0 |
0 |
| T13 |
377259 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T30 |
126431 |
0 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T41 |
0 |
2 |
0 |
0 |
| T42 |
0 |
2 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
1362 |
0 |
0 |
| T7 |
81982 |
3 |
0 |
0 |
| T8 |
802 |
1 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
1 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
1 |
0 |
0 |
| T13 |
34295 |
1 |
0 |
0 |
| T14 |
0 |
1 |
0 |
0 |
| T16 |
0 |
3 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T30 |
1009 |
0 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T41 |
0 |
2 |
0 |
0 |
| T42 |
0 |
2 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_filter_status_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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_filter_status_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 | T5,T7,T10 |
| 1 | 0 | Covered | T5,T7,T10 |
| 1 | 1 | Covered | T5,T10,T12 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T5,T7,T10 |
| 1 | 0 | Covered | T5,T10,T12 |
| 1 | 1 | Covered | T5,T7,T10 |
Branch Coverage for Instance : tb.dut.u_reg.u_filter_status_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.u_reg.u_filter_status_cdc.u_src_to_dst_req
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32557454 |
65596 |
0 |
0 |
| T5 |
32296 |
69 |
0 |
0 |
| T6 |
546 |
0 |
0 |
0 |
| T7 |
81982 |
3 |
0 |
0 |
| T8 |
802 |
0 |
0 |
0 |
| T9 |
1119 |
0 |
0 |
0 |
| T10 |
32647 |
68 |
0 |
0 |
| T11 |
7786 |
0 |
0 |
0 |
| T12 |
41004 |
71 |
0 |
0 |
| T13 |
0 |
63 |
0 |
0 |
| T14 |
0 |
74 |
0 |
0 |
| T15 |
0 |
87 |
0 |
0 |
| T16 |
0 |
250 |
0 |
0 |
| T17 |
0 |
78 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T20 |
1583 |
0 |
0 |
0 |
| T34 |
0 |
169 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
65736 |
0 |
0 |
| T5 |
209931 |
69 |
0 |
0 |
| T6 |
262701 |
0 |
0 |
0 |
| T7 |
427421 |
3 |
0 |
0 |
| T8 |
158023 |
0 |
0 |
0 |
| T9 |
280162 |
0 |
0 |
0 |
| T10 |
390013 |
68 |
0 |
0 |
| T11 |
389392 |
0 |
0 |
0 |
| T12 |
471565 |
71 |
0 |
0 |
| T13 |
0 |
63 |
0 |
0 |
| T14 |
0 |
74 |
0 |
0 |
| T15 |
0 |
87 |
0 |
0 |
| T16 |
0 |
250 |
0 |
0 |
| T17 |
0 |
78 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T20 |
388272 |
0 |
0 |
0 |
| T34 |
0 |
169 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| 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: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| 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 | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
LINE 97
EXPRESSION (dst_level_q ^ dst_level)
-----1----- ----2----
| -1- | -2- | Status | Tests |
|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T1,T2,T4 |
| 1 | 0 | Covered | T1,T2,T4 |
| 1 | 1 | Covered | T1,T2,T4 |
Branch Coverage for Instance : tb.dut.u_adc_ctrl_core.u_oneshot_done_sync
| 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.u_adc_ctrl_core.u_oneshot_done_sync
Assertion Details
DstPulseCheck_A
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
2147483647 |
5121 |
0 |
0 |
| T1 |
141766 |
20 |
0 |
0 |
| T2 |
39095 |
7 |
0 |
0 |
| T3 |
216134 |
0 |
0 |
0 |
| T4 |
146142 |
20 |
0 |
0 |
| T5 |
209931 |
0 |
0 |
0 |
| T6 |
262701 |
6 |
0 |
0 |
| T7 |
427421 |
2 |
0 |
0 |
| T8 |
158023 |
0 |
0 |
0 |
| T9 |
0 |
20 |
0 |
0 |
| T18 |
17167 |
0 |
0 |
0 |
| T19 |
27813 |
0 |
0 |
0 |
| T30 |
0 |
15 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T105 |
0 |
20 |
0 |
0 |
| T106 |
0 |
3 |
0 |
0 |
SrcPulseCheck_M
| Name | Attempts | Real Successes | Failures | Incomplete |
| Total |
32478713 |
5122 |
0 |
0 |
| T1 |
1133 |
20 |
0 |
0 |
| T2 |
1116 |
7 |
0 |
0 |
| T3 |
1600 |
0 |
0 |
0 |
| T4 |
1168 |
20 |
0 |
0 |
| T5 |
32296 |
0 |
0 |
0 |
| T6 |
546 |
6 |
0 |
0 |
| T7 |
81982 |
2 |
0 |
0 |
| T8 |
802 |
0 |
0 |
0 |
| T9 |
0 |
20 |
0 |
0 |
| T18 |
67 |
0 |
0 |
0 |
| T19 |
58 |
0 |
0 |
0 |
| T30 |
0 |
15 |
0 |
0 |
| T35 |
0 |
2 |
0 |
0 |
| T105 |
0 |
20 |
0 |
0 |
| T106 |
0 |
3 |
0 |
0 |