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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Module :
prim_fifo_sync
| Total | Covered | Percent |
Conditions | 24 | 20 | 83.33 |
Logical | 24 | 20 | 83.33 |
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,T3,T4 |
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,T3,T4 |
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,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T2,T3,T4 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T4 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Module :
prim_fifo_sync
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Module :
prim_fifo_sync
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
406621713 |
0 |
0 |
T2 |
12506 |
4904 |
0 |
0 |
T3 |
4730 |
267 |
0 |
0 |
T4 |
29148 |
12786 |
0 |
0 |
T5 |
110262 |
51906 |
0 |
0 |
T6 |
350664 |
14492 |
0 |
0 |
T7 |
186536 |
18668 |
0 |
0 |
T8 |
130872 |
1673 |
0 |
0 |
T9 |
103376 |
6565 |
0 |
0 |
T10 |
1272408 |
150650 |
0 |
0 |
T11 |
0 |
50153 |
0 |
0 |
T14 |
0 |
180717 |
0 |
0 |
T30 |
0 |
154 |
0 |
0 |
T33 |
0 |
4108 |
0 |
0 |
T40 |
0 |
8139 |
0 |
0 |
T41 |
922312 |
60324 |
0 |
0 |
T42 |
672348 |
48252 |
0 |
0 |
T47 |
1245186 |
193110 |
0 |
0 |
T61 |
289698 |
26862 |
0 |
0 |
T64 |
489948 |
57881 |
0 |
0 |
T67 |
8318 |
2503 |
0 |
0 |
T155 |
0 |
38285 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
19176 |
18776 |
0 |
0 |
T2 |
50024 |
49472 |
0 |
0 |
T3 |
18920 |
18176 |
0 |
0 |
T4 |
116592 |
116088 |
0 |
0 |
T5 |
441048 |
440488 |
0 |
0 |
T6 |
467552 |
467096 |
0 |
0 |
T7 |
186536 |
181752 |
0 |
0 |
T8 |
130872 |
130224 |
0 |
0 |
T9 |
103376 |
102936 |
0 |
0 |
T10 |
1272408 |
1271712 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
19176 |
18776 |
0 |
0 |
T2 |
50024 |
49472 |
0 |
0 |
T3 |
18920 |
18176 |
0 |
0 |
T4 |
116592 |
116088 |
0 |
0 |
T5 |
441048 |
440488 |
0 |
0 |
T6 |
467552 |
467096 |
0 |
0 |
T7 |
186536 |
181752 |
0 |
0 |
T8 |
130872 |
130224 |
0 |
0 |
T9 |
103376 |
102936 |
0 |
0 |
T10 |
1272408 |
1271712 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
19176 |
18776 |
0 |
0 |
T2 |
50024 |
49472 |
0 |
0 |
T3 |
18920 |
18176 |
0 |
0 |
T4 |
116592 |
116088 |
0 |
0 |
T5 |
441048 |
440488 |
0 |
0 |
T6 |
467552 |
467096 |
0 |
0 |
T7 |
186536 |
181752 |
0 |
0 |
T8 |
130872 |
130224 |
0 |
0 |
T9 |
103376 |
102936 |
0 |
0 |
T10 |
1272408 |
1271712 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
406621713 |
0 |
0 |
T2 |
12506 |
4904 |
0 |
0 |
T3 |
4730 |
267 |
0 |
0 |
T4 |
29148 |
12786 |
0 |
0 |
T5 |
110262 |
51906 |
0 |
0 |
T6 |
350664 |
14492 |
0 |
0 |
T7 |
186536 |
18668 |
0 |
0 |
T8 |
130872 |
1673 |
0 |
0 |
T9 |
103376 |
6565 |
0 |
0 |
T10 |
1272408 |
150650 |
0 |
0 |
T11 |
0 |
50153 |
0 |
0 |
T14 |
0 |
180717 |
0 |
0 |
T30 |
0 |
154 |
0 |
0 |
T33 |
0 |
4108 |
0 |
0 |
T40 |
0 |
8139 |
0 |
0 |
T41 |
922312 |
60324 |
0 |
0 |
T42 |
672348 |
48252 |
0 |
0 |
T47 |
1245186 |
193110 |
0 |
0 |
T61 |
289698 |
26862 |
0 |
0 |
T64 |
489948 |
57881 |
0 |
0 |
T67 |
8318 |
2503 |
0 |
0 |
T155 |
0 |
38285 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T7 T10 T14
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 16 | 66.67 |
Logical | 24 | 16 | 66.67 |
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 | Not Covered | |
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 | T7,T10,T14 |
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 | T7,T10,T14 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~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 | T7,T10,T14 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T7,T10,T14 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T7,T10,T14 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T7,T10,T14 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T7,T10,T14 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T7,T10,T14 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T7,T10,T14 |
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 |
T7,T10,T14 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
191910 |
0 |
0 |
T7 |
23317 |
66 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
747 |
0 |
0 |
T11 |
0 |
154 |
0 |
0 |
T14 |
0 |
522 |
0 |
0 |
T18 |
0 |
37 |
0 |
0 |
T20 |
0 |
32 |
0 |
0 |
T30 |
0 |
154 |
0 |
0 |
T40 |
0 |
8 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
T42 |
112058 |
0 |
0 |
0 |
T47 |
207531 |
0 |
0 |
0 |
T61 |
48283 |
0 |
0 |
0 |
T64 |
81658 |
0 |
0 |
0 |
T67 |
4159 |
0 |
0 |
0 |
T74 |
0 |
832 |
0 |
0 |
T175 |
0 |
134 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
191910 |
0 |
0 |
T7 |
23317 |
66 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
747 |
0 |
0 |
T11 |
0 |
154 |
0 |
0 |
T14 |
0 |
522 |
0 |
0 |
T18 |
0 |
37 |
0 |
0 |
T20 |
0 |
32 |
0 |
0 |
T30 |
0 |
154 |
0 |
0 |
T40 |
0 |
8 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
T42 |
112058 |
0 |
0 |
0 |
T47 |
207531 |
0 |
0 |
0 |
T61 |
48283 |
0 |
0 |
0 |
T64 |
81658 |
0 |
0 |
0 |
T67 |
4159 |
0 |
0 |
0 |
T74 |
0 |
832 |
0 |
0 |
T175 |
0 |
134 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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,T3,T4 |
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,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T5,T14,T30 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T3,T4 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T5,T14,T30 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
186158 |
0 |
0 |
T2 |
6253 |
50 |
0 |
0 |
T3 |
2365 |
2 |
0 |
0 |
T4 |
14574 |
87 |
0 |
0 |
T5 |
55131 |
262 |
0 |
0 |
T6 |
58444 |
0 |
0 |
0 |
T7 |
23317 |
44 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
114 |
0 |
0 |
T11 |
0 |
80 |
0 |
0 |
T14 |
0 |
264 |
0 |
0 |
T33 |
0 |
21 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
186158 |
0 |
0 |
T2 |
6253 |
50 |
0 |
0 |
T3 |
2365 |
2 |
0 |
0 |
T4 |
14574 |
87 |
0 |
0 |
T5 |
55131 |
262 |
0 |
0 |
T6 |
58444 |
0 |
0 |
0 |
T7 |
23317 |
44 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
114 |
0 |
0 |
T11 |
0 |
80 |
0 |
0 |
T14 |
0 |
264 |
0 |
0 |
T33 |
0 |
21 |
0 |
0 |
T40 |
0 |
2 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T6 T8 T9
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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 | T6,T8,T9 |
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 | T6,T8,T9 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T64,T61,T43 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T8,T9 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T64,T61,T43 |
1 | 0 | Covered | T6,T8,T9 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T6,T8,T9 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T6,T8,T9 |
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 |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
159944 |
0 |
0 |
T6 |
58444 |
248 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
63 |
0 |
0 |
T9 |
12922 |
23 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
294 |
0 |
0 |
T42 |
112058 |
385 |
0 |
0 |
T47 |
207531 |
18 |
0 |
0 |
T61 |
48283 |
74 |
0 |
0 |
T64 |
81658 |
162 |
0 |
0 |
T67 |
0 |
17 |
0 |
0 |
T68 |
0 |
133 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
159944 |
0 |
0 |
T6 |
58444 |
248 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
63 |
0 |
0 |
T9 |
12922 |
23 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
294 |
0 |
0 |
T42 |
112058 |
385 |
0 |
0 |
T47 |
207531 |
18 |
0 |
0 |
T61 |
48283 |
74 |
0 |
0 |
T64 |
81658 |
162 |
0 |
0 |
T67 |
0 |
17 |
0 |
0 |
T68 |
0 |
133 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T6 T8 T9
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| Total | Covered | Percent |
Conditions | 24 | 18 | 75.00 |
Logical | 24 | 18 | 75.00 |
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 | Not Covered | |
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 | T6,T8,T9 |
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 | T6,T8,T9 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Covered | T176,T177,T178 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T8,T9 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T176,T177,T178 |
1 | 0 | Covered | T6,T8,T9 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T6,T8,T9 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T6,T8,T9 |
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 |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_inp_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
311303 |
0 |
0 |
T6 |
58444 |
41 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
3 |
0 |
0 |
T9 |
12922 |
41 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
448 |
0 |
0 |
T42 |
112058 |
311 |
0 |
0 |
T47 |
207531 |
1219 |
0 |
0 |
T61 |
48283 |
104 |
0 |
0 |
T64 |
81658 |
468 |
0 |
0 |
T67 |
0 |
2 |
0 |
0 |
T155 |
0 |
260 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
311303 |
0 |
0 |
T6 |
58444 |
41 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
3 |
0 |
0 |
T9 |
12922 |
41 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
448 |
0 |
0 |
T42 |
112058 |
311 |
0 |
0 |
T47 |
207531 |
1219 |
0 |
0 |
T61 |
48283 |
104 |
0 |
0 |
T64 |
81658 |
468 |
0 |
0 |
T67 |
0 |
2 |
0 |
0 |
T155 |
0 |
260 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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 T3 T4
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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,T3,T4 |
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,T3,T4 |
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,T3,T4 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T2,T3,T4 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T3,T4,T5 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T2,T3,T4 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T3,T4 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T3,T4 |
1 | 0 | Covered | T2,T3,T4 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T2,T3,T4 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T2,T3,T4 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T2,T3,T4 |
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,T3,T4 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_fmt_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
120609245 |
0 |
0 |
T2 |
6253 |
4854 |
0 |
0 |
T3 |
2365 |
265 |
0 |
0 |
T4 |
14574 |
12699 |
0 |
0 |
T5 |
55131 |
51644 |
0 |
0 |
T6 |
58444 |
0 |
0 |
0 |
T7 |
23317 |
18558 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
149789 |
0 |
0 |
T11 |
0 |
49919 |
0 |
0 |
T14 |
0 |
179931 |
0 |
0 |
T33 |
0 |
4087 |
0 |
0 |
T40 |
0 |
8129 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
120609245 |
0 |
0 |
T2 |
6253 |
4854 |
0 |
0 |
T3 |
2365 |
265 |
0 |
0 |
T4 |
14574 |
12699 |
0 |
0 |
T5 |
55131 |
51644 |
0 |
0 |
T6 |
58444 |
0 |
0 |
0 |
T7 |
23317 |
18558 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
149789 |
0 |
0 |
T11 |
0 |
49919 |
0 |
0 |
T14 |
0 |
179931 |
0 |
0 |
T33 |
0 |
4087 |
0 |
0 |
T40 |
0 |
8129 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T7 T10 T14
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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 | T74,T75,T76 |
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 | T7,T10,T14 |
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 | T7,T10,T14 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T7,T10,T14 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T7,T10,T14 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T7,T10,T14 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T74,T75,T76 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T7,T10,T14 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T7,T10,T14 |
1 | 0 | Covered | T7,T10,T14 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T7,T10,T14 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T7,T10,T14 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T7,T10,T14 |
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 |
T7,T10,T14 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_rx_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
23872689 |
0 |
0 |
T7 |
23317 |
432 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
20298 |
0 |
0 |
T11 |
0 |
3394 |
0 |
0 |
T14 |
0 |
16493 |
0 |
0 |
T18 |
0 |
1021 |
0 |
0 |
T20 |
0 |
843 |
0 |
0 |
T30 |
0 |
1583 |
0 |
0 |
T40 |
0 |
157 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
T42 |
112058 |
0 |
0 |
0 |
T47 |
207531 |
0 |
0 |
0 |
T61 |
48283 |
0 |
0 |
0 |
T64 |
81658 |
0 |
0 |
0 |
T67 |
4159 |
0 |
0 |
0 |
T74 |
0 |
172172 |
0 |
0 |
T175 |
0 |
4318 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
23872689 |
0 |
0 |
T7 |
23317 |
432 |
0 |
0 |
T8 |
16359 |
0 |
0 |
0 |
T9 |
12922 |
0 |
0 |
0 |
T10 |
159051 |
20298 |
0 |
0 |
T11 |
0 |
3394 |
0 |
0 |
T14 |
0 |
16493 |
0 |
0 |
T18 |
0 |
1021 |
0 |
0 |
T20 |
0 |
843 |
0 |
0 |
T30 |
0 |
1583 |
0 |
0 |
T40 |
0 |
157 |
0 |
0 |
T41 |
115289 |
0 |
0 |
0 |
T42 |
112058 |
0 |
0 |
0 |
T47 |
207531 |
0 |
0 |
0 |
T61 |
48283 |
0 |
0 |
0 |
T64 |
81658 |
0 |
0 |
0 |
T67 |
4159 |
0 |
0 |
0 |
T74 |
0 |
172172 |
0 |
0 |
T175 |
0 |
4318 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T6 T8 T9
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 19 | 79.17 |
Logical | 24 | 19 | 79.17 |
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 | T6,T8,T9 |
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 | T6,T8,T9 |
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 | T6,T8,T9 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Not Covered | |
1 | 0 | 1 | Covered | T6,T8,T9 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T8,T9 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T8,T9 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T8,T9 |
1 | 0 | Covered | T6,T8,T9 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T6,T8,T9 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T6,T8,T9 |
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 |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_tx_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
32434174 |
0 |
0 |
T6 |
58444 |
51400 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
6670 |
0 |
0 |
T9 |
12922 |
3175 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
46664 |
0 |
0 |
T42 |
112058 |
62425 |
0 |
0 |
T47 |
207531 |
4371 |
0 |
0 |
T61 |
48283 |
11990 |
0 |
0 |
T64 |
81658 |
23704 |
0 |
0 |
T67 |
0 |
2970 |
0 |
0 |
T68 |
0 |
33834 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
32434174 |
0 |
0 |
T6 |
58444 |
51400 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
6670 |
0 |
0 |
T9 |
12922 |
3175 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
46664 |
0 |
0 |
T42 |
112058 |
62425 |
0 |
0 |
T47 |
207531 |
4371 |
0 |
0 |
T61 |
48283 |
11990 |
0 |
0 |
T64 |
81658 |
23704 |
0 |
0 |
T67 |
0 |
2970 |
0 |
0 |
T68 |
0 |
33834 |
0 |
0 |
Line Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| 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 | 130 | 1 | 1 | 100.00 |
CONT_ASSIGN | 131 | 1 | 1 | 100.00 |
CONT_ASSIGN | 138 | 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: T6 T8 T9
125 end
MISSING_ELSE
126 end
127
128 logic [Width-1:0] rdata_int;
129 if (Pass == 1'b1) begin : gen_pass
130 1/1 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
Tests: T1 T2 T3
131 1/1 assign empty = fifo_empty & ~wvalid_i;
Tests: T1 T2 T3
132 end else begin : gen_nopass
133 assign rdata_int = storage_rdata;
134 assign empty = fifo_empty;
135 end
136
137 if (OutputZeroIfEmpty == 1'b1) begin : gen_output_zero
138 1/1 assign rdata_o = empty ? Width'(0) : rdata_int;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| Total | Covered | Percent |
Conditions | 24 | 20 | 83.33 |
Logical | 24 | 20 | 83.33 |
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,T41,T42 |
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 | T6,T8,T9 |
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 | T6,T8,T9 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T179,T180,T181 |
1 | 0 | 1 | Covered | T6,T8,T9 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T6,T8,T9 |
LINE 130
EXPRESSION ((gen_normal_fifo.fifo_empty && wvalid_i) ? wdata_i : gen_normal_fifo.storage_rdata)
--------------------1-------------------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T6,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T9,T41,T42 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T6,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T8,T9 |
1 | 0 | Covered | T6,T8,T9 |
1 | 1 | Covered | T1,T2,T3 |
LINE 138
EXPRESSION (gen_normal_fifo.empty ? (13'(0)) : gen_normal_fifo.rdata_int)
----------1----------
-1- | Status | Tests |
0 | Covered | T6,T8,T9 |
1 | Covered | T1,T2,T3 |
Branch Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
| Line No. | Total | Covered | Percent |
Branches |
|
9 |
9 |
100.00 |
TERNARY |
130 |
2 |
2 |
100.00 |
TERNARY |
138 |
2 |
2 |
100.00 |
IF |
69 |
3 |
3 |
100.00 |
IF |
123 |
2 |
2 |
100.00 |
130 assign rdata_int = (fifo_empty && wvalid_i) ? wdata_i : storage_rdata;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
138 assign rdata_o = empty ? Width'(0) : rdata_int;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T1,T2,T3 |
0 |
Covered |
T6,T8,T9 |
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 |
T6,T8,T9 |
0 |
Covered |
T1,T2,T3 |
Assert Coverage for Instance : tb.dut.i2c_core.u_fifos.u_acq_fifo_sram_adapter.u_oup_buf
Assertion Details
DataKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
228856290 |
0 |
0 |
T6 |
58444 |
14451 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
1670 |
0 |
0 |
T9 |
12922 |
6524 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
59876 |
0 |
0 |
T42 |
112058 |
47941 |
0 |
0 |
T47 |
207531 |
191891 |
0 |
0 |
T61 |
48283 |
26758 |
0 |
0 |
T64 |
81658 |
57413 |
0 |
0 |
T67 |
0 |
2501 |
0 |
0 |
T155 |
0 |
38025 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
388111038 |
0 |
0 |
T1 |
2397 |
2347 |
0 |
0 |
T2 |
6253 |
6184 |
0 |
0 |
T3 |
2365 |
2272 |
0 |
0 |
T4 |
14574 |
14511 |
0 |
0 |
T5 |
55131 |
55061 |
0 |
0 |
T6 |
58444 |
58387 |
0 |
0 |
T7 |
23317 |
22719 |
0 |
0 |
T8 |
16359 |
16278 |
0 |
0 |
T9 |
12922 |
12867 |
0 |
0 |
T10 |
159051 |
158964 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
388284916 |
228856290 |
0 |
0 |
T6 |
58444 |
14451 |
0 |
0 |
T7 |
23317 |
0 |
0 |
0 |
T8 |
16359 |
1670 |
0 |
0 |
T9 |
12922 |
6524 |
0 |
0 |
T10 |
159051 |
0 |
0 |
0 |
T41 |
115289 |
59876 |
0 |
0 |
T42 |
112058 |
47941 |
0 |
0 |
T47 |
207531 |
191891 |
0 |
0 |
T61 |
48283 |
26758 |
0 |
0 |
T64 |
81658 |
57413 |
0 |
0 |
T67 |
0 |
2501 |
0 |
0 |
T155 |
0 |
38025 |
0 |
0 |