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: T4 T9 T10
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: T4 T9 T10
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: T4 T9 T10
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 | T9,T10,T6 |
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 | T4,T9,T10 |
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 | T30 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T9,T10 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T32,T33,T34 |
1 | 0 | 1 | Covered | T4,T9,T10 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T10,T6 |
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 |
T4,T9,T10 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
17610284 |
610332 |
0 |
0 |
T5 |
15344 |
0 |
0 |
0 |
T6 |
0 |
388 |
0 |
0 |
T7 |
0 |
69 |
0 |
0 |
T8 |
0 |
663 |
0 |
0 |
T9 |
3408 |
2237 |
0 |
0 |
T10 |
3010 |
2198 |
0 |
0 |
T14 |
0 |
772 |
0 |
0 |
T18 |
0 |
10059 |
0 |
0 |
T19 |
0 |
3585 |
0 |
0 |
T22 |
4232 |
0 |
0 |
0 |
T23 |
2466 |
0 |
0 |
0 |
T24 |
1980 |
0 |
0 |
0 |
T28 |
714 |
0 |
0 |
0 |
T41 |
1798 |
0 |
0 |
0 |
T43 |
3132 |
0 |
0 |
0 |
T53 |
0 |
2862 |
0 |
0 |
T73 |
3344 |
0 |
0 |
0 |
T84 |
0 |
262 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18356802 |
18000598 |
0 |
0 |
T1 |
2346 |
2174 |
0 |
0 |
T2 |
2700 |
2520 |
0 |
0 |
T3 |
1730 |
1376 |
0 |
0 |
T4 |
3560 |
3268 |
0 |
0 |
T5 |
15344 |
14338 |
0 |
0 |
T9 |
3408 |
3254 |
0 |
0 |
T20 |
9136 |
8962 |
0 |
0 |
T21 |
2252 |
2072 |
0 |
0 |
T22 |
4232 |
4036 |
0 |
0 |
T23 |
2466 |
2356 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18356802 |
18000598 |
0 |
0 |
T1 |
2346 |
2174 |
0 |
0 |
T2 |
2700 |
2520 |
0 |
0 |
T3 |
1730 |
1376 |
0 |
0 |
T4 |
3560 |
3268 |
0 |
0 |
T5 |
15344 |
14338 |
0 |
0 |
T9 |
3408 |
3254 |
0 |
0 |
T20 |
9136 |
8962 |
0 |
0 |
T21 |
2252 |
2072 |
0 |
0 |
T22 |
4232 |
4036 |
0 |
0 |
T23 |
2466 |
2356 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18356802 |
18000598 |
0 |
0 |
T1 |
2346 |
2174 |
0 |
0 |
T2 |
2700 |
2520 |
0 |
0 |
T3 |
1730 |
1376 |
0 |
0 |
T4 |
3560 |
3268 |
0 |
0 |
T5 |
15344 |
14338 |
0 |
0 |
T9 |
3408 |
3254 |
0 |
0 |
T20 |
9136 |
8962 |
0 |
0 |
T21 |
2252 |
2072 |
0 |
0 |
T22 |
4232 |
4036 |
0 |
0 |
T23 |
2466 |
2356 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18356802 |
18000598 |
0 |
0 |
T1 |
2346 |
2174 |
0 |
0 |
T2 |
2700 |
2520 |
0 |
0 |
T3 |
1730 |
1376 |
0 |
0 |
T4 |
3560 |
3268 |
0 |
0 |
T5 |
15344 |
14338 |
0 |
0 |
T9 |
3408 |
3254 |
0 |
0 |
T20 |
9136 |
8962 |
0 |
0 |
T21 |
2252 |
2072 |
0 |
0 |
T22 |
4232 |
4036 |
0 |
0 |
T23 |
2466 |
2356 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
17982220 |
707148 |
0 |
0 |
T4 |
3560 |
220 |
0 |
0 |
T5 |
15344 |
0 |
0 |
0 |
T6 |
0 |
2268 |
0 |
0 |
T7 |
0 |
502 |
0 |
0 |
T9 |
3408 |
2237 |
0 |
0 |
T10 |
0 |
2198 |
0 |
0 |
T14 |
0 |
772 |
0 |
0 |
T18 |
0 |
10059 |
0 |
0 |
T19 |
0 |
3585 |
0 |
0 |
T22 |
4232 |
0 |
0 |
0 |
T23 |
2466 |
0 |
0 |
0 |
T24 |
1980 |
0 |
0 |
0 |
T28 |
2532 |
0 |
0 |
0 |
T41 |
1798 |
0 |
0 |
0 |
T43 |
3132 |
0 |
0 |
0 |
T53 |
0 |
2862 |
0 |
0 |
T68 |
0 |
240 |
0 |
0 |
T73 |
3344 |
0 |
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: T4 T9 T10
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: T4 T9 T10
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: T4 T9 T10
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,T8,T111 |
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 | T4,T9,T10 |
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 | T4,T9,T10 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T34,T112 |
1 | 0 | 1 | Covered | T4,T9,T10 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T10,T18 |
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 |
T4,T9,T10 |
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 |
8805142 |
299316 |
0 |
0 |
T5 |
7672 |
0 |
0 |
0 |
T6 |
0 |
135 |
0 |
0 |
T7 |
0 |
25 |
0 |
0 |
T8 |
0 |
331 |
0 |
0 |
T9 |
1704 |
1107 |
0 |
0 |
T10 |
1505 |
1010 |
0 |
0 |
T14 |
0 |
381 |
0 |
0 |
T18 |
0 |
5021 |
0 |
0 |
T19 |
0 |
1790 |
0 |
0 |
T22 |
2116 |
0 |
0 |
0 |
T23 |
1233 |
0 |
0 |
0 |
T24 |
990 |
0 |
0 |
0 |
T28 |
357 |
0 |
0 |
0 |
T41 |
899 |
0 |
0 |
0 |
T43 |
1566 |
0 |
0 |
0 |
T53 |
0 |
1419 |
0 |
0 |
T73 |
1672 |
0 |
0 |
0 |
T84 |
0 |
67 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
8991110 |
347390 |
0 |
0 |
T4 |
1780 |
111 |
0 |
0 |
T5 |
7672 |
0 |
0 |
0 |
T6 |
0 |
1083 |
0 |
0 |
T7 |
0 |
232 |
0 |
0 |
T9 |
1704 |
1107 |
0 |
0 |
T10 |
0 |
1010 |
0 |
0 |
T14 |
0 |
381 |
0 |
0 |
T18 |
0 |
5021 |
0 |
0 |
T19 |
0 |
1790 |
0 |
0 |
T22 |
2116 |
0 |
0 |
0 |
T23 |
1233 |
0 |
0 |
0 |
T24 |
990 |
0 |
0 |
0 |
T28 |
1266 |
0 |
0 |
0 |
T41 |
899 |
0 |
0 |
0 |
T43 |
1566 |
0 |
0 |
0 |
T53 |
0 |
1419 |
0 |
0 |
T68 |
0 |
121 |
0 |
0 |
T73 |
1672 |
0 |
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: T4 T9 T10
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: T4 T9 T10
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: T4 T9 T10
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 | T9,T10,T6 |
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 | T4,T9,T10 |
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 | T30 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T4,T9,T10 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T32,T33 |
1 | 0 | 1 | Covered | T4,T9,T10 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T9,T10,T6 |
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 |
T4,T9,T10 |
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 |
8805142 |
311016 |
0 |
0 |
T5 |
7672 |
0 |
0 |
0 |
T6 |
0 |
253 |
0 |
0 |
T7 |
0 |
44 |
0 |
0 |
T8 |
0 |
332 |
0 |
0 |
T9 |
1704 |
1130 |
0 |
0 |
T10 |
1505 |
1188 |
0 |
0 |
T14 |
0 |
391 |
0 |
0 |
T18 |
0 |
5038 |
0 |
0 |
T19 |
0 |
1795 |
0 |
0 |
T22 |
2116 |
0 |
0 |
0 |
T23 |
1233 |
0 |
0 |
0 |
T24 |
990 |
0 |
0 |
0 |
T28 |
357 |
0 |
0 |
0 |
T41 |
899 |
0 |
0 |
0 |
T43 |
1566 |
0 |
0 |
0 |
T53 |
0 |
1443 |
0 |
0 |
T73 |
1672 |
0 |
0 |
0 |
T84 |
0 |
195 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
9178401 |
9000299 |
0 |
0 |
T1 |
1173 |
1087 |
0 |
0 |
T2 |
1350 |
1260 |
0 |
0 |
T3 |
865 |
688 |
0 |
0 |
T4 |
1780 |
1634 |
0 |
0 |
T5 |
7672 |
7169 |
0 |
0 |
T9 |
1704 |
1627 |
0 |
0 |
T20 |
4568 |
4481 |
0 |
0 |
T21 |
1126 |
1036 |
0 |
0 |
T22 |
2116 |
2018 |
0 |
0 |
T23 |
1233 |
1178 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
8991110 |
359758 |
0 |
0 |
T4 |
1780 |
109 |
0 |
0 |
T5 |
7672 |
0 |
0 |
0 |
T6 |
0 |
1185 |
0 |
0 |
T7 |
0 |
270 |
0 |
0 |
T9 |
1704 |
1130 |
0 |
0 |
T10 |
0 |
1188 |
0 |
0 |
T14 |
0 |
391 |
0 |
0 |
T18 |
0 |
5038 |
0 |
0 |
T19 |
0 |
1795 |
0 |
0 |
T22 |
2116 |
0 |
0 |
0 |
T23 |
1233 |
0 |
0 |
0 |
T24 |
990 |
0 |
0 |
0 |
T28 |
1266 |
0 |
0 |
0 |
T41 |
899 |
0 |
0 |
0 |
T43 |
1566 |
0 |
0 |
0 |
T53 |
0 |
1443 |
0 |
0 |
T68 |
0 |
119 |
0 |
0 |
T73 |
1672 |
0 |
0 |
0 |