Line Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T2 T5 T11
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T2 T5 T11
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T2 T5 T11
Cond Coverage for Module :
prim_fifo_sync
| Total | Covered | Percent |
Conditions | 14 | 11 | 78.57 |
Logical | 14 | 11 | 78.57 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T16,T11 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T2,T5,T16 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T33,T99 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T5,T11 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T35,T36,T37 |
1 | 0 | 1 | Covered | T2,T5,T16 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T11,T12 |
Branch Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T5,T11 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
23477976 |
1035725 |
0 |
0 |
T2 |
10486 |
6798 |
0 |
0 |
T3 |
3282 |
0 |
0 |
0 |
T4 |
728 |
0 |
0 |
0 |
T5 |
322 |
0 |
0 |
0 |
T6 |
38394 |
0 |
0 |
0 |
T7 |
3848 |
0 |
0 |
0 |
T8 |
0 |
277 |
0 |
0 |
T9 |
0 |
193 |
0 |
0 |
T11 |
0 |
3450 |
0 |
0 |
T12 |
0 |
3269 |
0 |
0 |
T16 |
1566 |
0 |
0 |
0 |
T20 |
0 |
3626 |
0 |
0 |
T24 |
4910 |
0 |
0 |
0 |
T25 |
2736 |
0 |
0 |
0 |
T26 |
2474 |
0 |
0 |
0 |
T29 |
0 |
456 |
0 |
0 |
T47 |
0 |
7691 |
0 |
0 |
T76 |
0 |
365 |
0 |
0 |
T100 |
0 |
525 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
24119576 |
23786328 |
0 |
0 |
T1 |
2498 |
2386 |
0 |
0 |
T2 |
10486 |
10324 |
0 |
0 |
T3 |
3282 |
3156 |
0 |
0 |
T4 |
3820 |
3580 |
0 |
0 |
T5 |
2790 |
2506 |
0 |
0 |
T6 |
38394 |
37116 |
0 |
0 |
T7 |
3848 |
3738 |
0 |
0 |
T16 |
48608 |
27104 |
0 |
0 |
T24 |
4910 |
4750 |
0 |
0 |
T25 |
2736 |
2588 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
24119576 |
23786328 |
0 |
0 |
T1 |
2498 |
2386 |
0 |
0 |
T2 |
10486 |
10324 |
0 |
0 |
T3 |
3282 |
3156 |
0 |
0 |
T4 |
3820 |
3580 |
0 |
0 |
T5 |
2790 |
2506 |
0 |
0 |
T6 |
38394 |
37116 |
0 |
0 |
T7 |
3848 |
3738 |
0 |
0 |
T16 |
48608 |
27104 |
0 |
0 |
T24 |
4910 |
4750 |
0 |
0 |
T25 |
2736 |
2588 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
24119576 |
23786328 |
0 |
0 |
T1 |
2498 |
2386 |
0 |
0 |
T2 |
10486 |
10324 |
0 |
0 |
T3 |
3282 |
3156 |
0 |
0 |
T4 |
3820 |
3580 |
0 |
0 |
T5 |
2790 |
2506 |
0 |
0 |
T6 |
38394 |
37116 |
0 |
0 |
T7 |
3848 |
3738 |
0 |
0 |
T16 |
48608 |
27104 |
0 |
0 |
T24 |
4910 |
4750 |
0 |
0 |
T25 |
2736 |
2588 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
23814658 |
1122832 |
0 |
0 |
T2 |
10486 |
6798 |
0 |
0 |
T3 |
3282 |
0 |
0 |
0 |
T4 |
3820 |
0 |
0 |
0 |
T5 |
2790 |
271 |
0 |
0 |
T6 |
38394 |
0 |
0 |
0 |
T7 |
3848 |
0 |
0 |
0 |
T8 |
0 |
1102 |
0 |
0 |
T11 |
0 |
3450 |
0 |
0 |
T12 |
0 |
3269 |
0 |
0 |
T16 |
1566 |
0 |
0 |
0 |
T17 |
0 |
264 |
0 |
0 |
T20 |
0 |
3626 |
0 |
0 |
T24 |
4910 |
0 |
0 |
0 |
T25 |
2736 |
0 |
0 |
0 |
T26 |
2474 |
0 |
0 |
0 |
T29 |
0 |
456 |
0 |
0 |
T31 |
0 |
2305 |
0 |
0 |
T76 |
0 |
365 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T2 T5 T11
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T2 T5 T11
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T2 T5 T11
Cond Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Total | Covered | Percent |
Conditions | 14 | 10 | 71.43 |
Logical | 14 | 10 | 71.43 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T19,T68,T14 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T2,T5,T16 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T5,T11 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T35,T37,T101 |
1 | 0 | 1 | Covered | T2,T5,T16 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T11,T12 |
Branch Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T5,T11 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_rescmd
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11738988 |
511723 |
0 |
0 |
T2 |
5243 |
3322 |
0 |
0 |
T3 |
1641 |
0 |
0 |
0 |
T4 |
364 |
0 |
0 |
0 |
T5 |
161 |
0 |
0 |
0 |
T6 |
19197 |
0 |
0 |
0 |
T7 |
1924 |
0 |
0 |
0 |
T8 |
0 |
84 |
0 |
0 |
T9 |
0 |
70 |
0 |
0 |
T11 |
0 |
1695 |
0 |
0 |
T12 |
0 |
1580 |
0 |
0 |
T16 |
783 |
0 |
0 |
0 |
T20 |
0 |
1756 |
0 |
0 |
T24 |
2455 |
0 |
0 |
0 |
T25 |
1368 |
0 |
0 |
0 |
T26 |
1237 |
0 |
0 |
0 |
T29 |
0 |
229 |
0 |
0 |
T47 |
0 |
3829 |
0 |
0 |
T76 |
0 |
185 |
0 |
0 |
T100 |
0 |
239 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11907329 |
554944 |
0 |
0 |
T2 |
5243 |
3322 |
0 |
0 |
T3 |
1641 |
0 |
0 |
0 |
T4 |
1910 |
0 |
0 |
0 |
T5 |
1395 |
141 |
0 |
0 |
T6 |
19197 |
0 |
0 |
0 |
T7 |
1924 |
0 |
0 |
0 |
T8 |
0 |
440 |
0 |
0 |
T11 |
0 |
1695 |
0 |
0 |
T12 |
0 |
1580 |
0 |
0 |
T16 |
783 |
0 |
0 |
0 |
T17 |
0 |
135 |
0 |
0 |
T20 |
0 |
1756 |
0 |
0 |
T24 |
2455 |
0 |
0 |
0 |
T25 |
1368 |
0 |
0 |
0 |
T26 |
1237 |
0 |
0 |
0 |
T29 |
0 |
229 |
0 |
0 |
T31 |
0 |
1155 |
0 |
0 |
T76 |
0 |
185 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Line No. | Total | Covered | Percent |
TOTAL | | 14 | 14 | 100.00 |
ALWAYS | 69 | 4 | 4 | 100.00 |
CONT_ASSIGN | 81 | 1 | 1 | 100.00 |
CONT_ASSIGN | 82 | 1 | 1 | 100.00 |
CONT_ASSIGN | 100 | 1 | 1 | 100.00 |
CONT_ASSIGN | 101 | 1 | 1 | 100.00 |
CONT_ASSIGN | 120 | 1 | 1 | 100.00 |
ALWAYS | 123 | 2 | 2 | 100.00 |
CONT_ASSIGN | 133 | 1 | 1 | 100.00 |
CONT_ASSIGN | 134 | 1 | 1 | 100.00 |
CONT_ASSIGN | 140 | 1 | 1 | 100.00 |
68 always_ff @(posedge clk_i or negedge rst_ni) begin
69 1/1 if (!rst_ni) begin
Tests: T1 T2 T3
70 1/1 under_rst <= 1'b1;
Tests: T1 T2 T3
71 1/1 end else if (under_rst) begin
Tests: T1 T2 T3
72 1/1 under_rst <= ~under_rst;
Tests: T1 T2 T3
73 end
MISSING_ELSE
74 end
75
76 logic empty;
77
78 // full and not ready for write are two different concepts.
79 // The latter can be '0' when under reset, while the former is an indication that no more
80 // entries can be written.
81 1/1 assign wready_o = ~full_o & ~under_rst;
Tests: T1 T2 T3
82 1/1 assign rvalid_o = ~empty & ~under_rst;
Tests: T1 T2 T3
83
84 prim_fifo_sync_cnt #(
85 .Depth(Depth),
86 .Secure(Secure)
87 ) u_fifo_cnt (
88 .clk_i,
89 .rst_ni,
90 .clr_i,
91 .incr_wptr_i(fifo_incr_wptr),
92 .incr_rptr_i(fifo_incr_rptr),
93 .wptr_o(fifo_wptr),
94 .rptr_o(fifo_rptr),
95 .full_o,
96 .empty_o(fifo_empty),
97 .depth_o,
98 .err_o
99 );
100 1/1 assign fifo_incr_wptr = wvalid_i & wready_o & ~under_rst;
Tests: T1 T2 T3
101 1/1 assign fifo_incr_rptr = rvalid_o & rready_i & ~under_rst;
Tests: T1 T2 T3
102
103 // the generate blocks below are needed to avoid lint errors due to array indexing
104 // in the where the fifo only has one storage element
105 logic [Depth-1:0][Width-1:0] storage;
106 logic [Width-1:0] storage_rdata;
107 if (Depth == 1) begin : gen_depth_eq1
108 assign storage_rdata = storage[0];
109
110 always_ff @(posedge clk_i)
111 if (fifo_incr_wptr) begin
112 storage[0] <= wdata_i;
113 end
114
115 logic unused_ptrs;
116 assign unused_ptrs = ^{fifo_wptr, fifo_rptr};
117
118 // fifo with more than one storage element
119 end else begin : gen_depth_gt1
120 1/1 assign storage_rdata = storage[fifo_rptr];
Tests: T1 T2 T3
121
122 always_ff @(posedge clk_i)
123 1/1 if (fifo_incr_wptr) begin
Tests: T1 T2 T3
124 1/1 storage[fifo_wptr] <= wdata_i;
Tests: T2 T5 T11
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
131 assign empty = fifo_empty & ~wvalid_i;
132 end else begin : gen_nopass
133 1/1 assign rdata_int = storage_rdata;
Tests: T2 T5 T11
134 1/1 assign empty = fifo_empty;
Tests: T1 T2 T3
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 assign rdata_o = empty ? Width'(0) : rdata_int;
139 end else begin : gen_no_output_zero
140 1/1 assign rdata_o = rdata_int;
Tests: T2 T5 T11
Cond Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Total | Covered | Percent |
Conditions | 14 | 11 | 78.57 |
Logical | 14 | 11 | 78.57 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 81
EXPRESSION (((~full_o)) & ((~gen_normal_fifo.under_rst)))
-----1----- ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T16,T11 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T1,T2,T3 |
LINE 82
EXPRESSION (((~gen_normal_fifo.empty)) & ((~gen_normal_fifo.under_rst)))
-------------1------------ ---------------2--------------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Not Covered | |
1 | 1 | Covered | T2,T5,T16 |
LINE 100
EXPRESSION (wvalid_i & wready_o & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T33,T99 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T5,T11 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T36,T102,T103 |
1 | 0 | 1 | Covered | T2,T5,T16 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T11,T12 |
Branch Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
| Line No. | Total | Covered | Percent |
Branches |
|
5 |
5 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
69 if (!rst_ni) begin
-1-
70 under_rst <= 1'b1;
==>
71 end else if (under_rst) begin
-2-
72 under_rst <= ~under_rst;
==>
73 end
MISSING_ELSE
==>
Branches:
-1- | -2- | Status | Tests |
1 |
- |
Covered |
T1,T2,T3 |
0 |
1 |
Covered |
T1,T2,T3 |
0 |
0 |
Covered |
T1,T2,T3 |
123 if (fifo_incr_wptr) begin
-1-
124 storage[fifo_wptr] <= wdata_i;
==>
125 end
MISSING_ELSE
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T5,T11 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.u_edn_core.u_prim_fifo_sync_gencmd
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11738988 |
524002 |
0 |
0 |
T2 |
5243 |
3476 |
0 |
0 |
T3 |
1641 |
0 |
0 |
0 |
T4 |
364 |
0 |
0 |
0 |
T5 |
161 |
0 |
0 |
0 |
T6 |
19197 |
0 |
0 |
0 |
T7 |
1924 |
0 |
0 |
0 |
T8 |
0 |
193 |
0 |
0 |
T9 |
0 |
123 |
0 |
0 |
T11 |
0 |
1755 |
0 |
0 |
T12 |
0 |
1689 |
0 |
0 |
T16 |
783 |
0 |
0 |
0 |
T20 |
0 |
1870 |
0 |
0 |
T24 |
2455 |
0 |
0 |
0 |
T25 |
1368 |
0 |
0 |
0 |
T26 |
1237 |
0 |
0 |
0 |
T29 |
0 |
227 |
0 |
0 |
T47 |
0 |
3862 |
0 |
0 |
T76 |
0 |
180 |
0 |
0 |
T100 |
0 |
286 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
12059788 |
11893164 |
0 |
0 |
T1 |
1249 |
1193 |
0 |
0 |
T2 |
5243 |
5162 |
0 |
0 |
T3 |
1641 |
1578 |
0 |
0 |
T4 |
1910 |
1790 |
0 |
0 |
T5 |
1395 |
1253 |
0 |
0 |
T6 |
19197 |
18558 |
0 |
0 |
T7 |
1924 |
1869 |
0 |
0 |
T16 |
24304 |
13552 |
0 |
0 |
T24 |
2455 |
2375 |
0 |
0 |
T25 |
1368 |
1294 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
11907329 |
567888 |
0 |
0 |
T2 |
5243 |
3476 |
0 |
0 |
T3 |
1641 |
0 |
0 |
0 |
T4 |
1910 |
0 |
0 |
0 |
T5 |
1395 |
130 |
0 |
0 |
T6 |
19197 |
0 |
0 |
0 |
T7 |
1924 |
0 |
0 |
0 |
T8 |
0 |
662 |
0 |
0 |
T11 |
0 |
1755 |
0 |
0 |
T12 |
0 |
1689 |
0 |
0 |
T16 |
783 |
0 |
0 |
0 |
T17 |
0 |
129 |
0 |
0 |
T20 |
0 |
1870 |
0 |
0 |
T24 |
2455 |
0 |
0 |
0 |
T25 |
1368 |
0 |
0 |
0 |
T26 |
1237 |
0 |
0 |
0 |
T29 |
0 |
227 |
0 |
0 |
T31 |
0 |
1150 |
0 |
0 |
T76 |
0 |
180 |
0 |
0 |