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 |
432375154 |
0 |
0 |
T2 |
30080 |
13411 |
0 |
0 |
T3 |
9784 |
1283 |
0 |
0 |
T4 |
145396 |
35415 |
0 |
0 |
T5 |
51208 |
2005 |
0 |
0 |
T6 |
111136 |
25005 |
0 |
0 |
T7 |
73264 |
355 |
0 |
0 |
T8 |
753344 |
509 |
0 |
0 |
T9 |
197488 |
10347 |
0 |
0 |
T10 |
171192 |
2743 |
0 |
0 |
T11 |
0 |
46993 |
0 |
0 |
T17 |
0 |
1302 |
0 |
0 |
T27 |
0 |
656 |
0 |
0 |
T29 |
165744 |
18894 |
0 |
0 |
T40 |
0 |
10065 |
0 |
0 |
T48 |
0 |
19894 |
0 |
0 |
T49 |
73074 |
9470 |
0 |
0 |
T50 |
264316 |
33374 |
0 |
0 |
T66 |
0 |
46778 |
0 |
0 |
T69 |
0 |
29894 |
0 |
0 |
T74 |
131332 |
30023 |
0 |
0 |
T78 |
210144 |
52355 |
0 |
0 |
T79 |
15532 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
14184 |
13448 |
0 |
0 |
T2 |
120320 |
119680 |
0 |
0 |
T3 |
19568 |
18936 |
0 |
0 |
T4 |
290792 |
290160 |
0 |
0 |
T5 |
102416 |
96832 |
0 |
0 |
T6 |
222272 |
221624 |
0 |
0 |
T7 |
73264 |
72720 |
0 |
0 |
T8 |
753344 |
752768 |
0 |
0 |
T9 |
197488 |
197032 |
0 |
0 |
T10 |
171192 |
170608 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
14184 |
13448 |
0 |
0 |
T2 |
120320 |
119680 |
0 |
0 |
T3 |
19568 |
18936 |
0 |
0 |
T4 |
290792 |
290160 |
0 |
0 |
T5 |
102416 |
96832 |
0 |
0 |
T6 |
222272 |
221624 |
0 |
0 |
T7 |
73264 |
72720 |
0 |
0 |
T8 |
753344 |
752768 |
0 |
0 |
T9 |
197488 |
197032 |
0 |
0 |
T10 |
171192 |
170608 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
14184 |
13448 |
0 |
0 |
T2 |
120320 |
119680 |
0 |
0 |
T3 |
19568 |
18936 |
0 |
0 |
T4 |
290792 |
290160 |
0 |
0 |
T5 |
102416 |
96832 |
0 |
0 |
T6 |
222272 |
221624 |
0 |
0 |
T7 |
73264 |
72720 |
0 |
0 |
T8 |
753344 |
752768 |
0 |
0 |
T9 |
197488 |
197032 |
0 |
0 |
T10 |
171192 |
170608 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
432375154 |
0 |
0 |
T2 |
30080 |
13411 |
0 |
0 |
T3 |
9784 |
1283 |
0 |
0 |
T4 |
145396 |
35415 |
0 |
0 |
T5 |
51208 |
2005 |
0 |
0 |
T6 |
111136 |
25005 |
0 |
0 |
T7 |
73264 |
355 |
0 |
0 |
T8 |
753344 |
509 |
0 |
0 |
T9 |
197488 |
10347 |
0 |
0 |
T10 |
171192 |
2743 |
0 |
0 |
T11 |
0 |
46993 |
0 |
0 |
T17 |
0 |
1302 |
0 |
0 |
T27 |
0 |
656 |
0 |
0 |
T29 |
165744 |
18894 |
0 |
0 |
T40 |
0 |
10065 |
0 |
0 |
T48 |
0 |
19894 |
0 |
0 |
T49 |
73074 |
9470 |
0 |
0 |
T50 |
264316 |
33374 |
0 |
0 |
T66 |
0 |
46778 |
0 |
0 |
T69 |
0 |
29894 |
0 |
0 |
T74 |
131332 |
30023 |
0 |
0 |
T78 |
210144 |
52355 |
0 |
0 |
T79 |
15532 |
0 |
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: T3 T4 T11
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 | T3,T4,T11 |
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 | T3,T4,T11 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | Not Covered | |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T3,T4,T11 |
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 | T3,T4,T11 |
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 | T3,T4,T11 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T3,T4,T11 |
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 | T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
411711786 |
208297 |
0 |
0 |
T3 |
2446 |
4 |
0 |
0 |
T4 |
36349 |
31 |
0 |
0 |
T5 |
12802 |
0 |
0 |
0 |
T6 |
27784 |
0 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
153 |
0 |
0 |
T18 |
0 |
9 |
0 |
0 |
T19 |
0 |
45 |
0 |
0 |
T27 |
0 |
656 |
0 |
0 |
T28 |
0 |
840 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T38 |
0 |
124 |
0 |
0 |
T49 |
12179 |
0 |
0 |
0 |
T86 |
0 |
64 |
0 |
0 |
T173 |
0 |
65 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
208297 |
0 |
0 |
T3 |
2446 |
4 |
0 |
0 |
T4 |
36349 |
31 |
0 |
0 |
T5 |
12802 |
0 |
0 |
0 |
T6 |
27784 |
0 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
153 |
0 |
0 |
T18 |
0 |
9 |
0 |
0 |
T19 |
0 |
45 |
0 |
0 |
T27 |
0 |
656 |
0 |
0 |
T28 |
0 |
840 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T38 |
0 |
124 |
0 |
0 |
T49 |
12179 |
0 |
0 |
0 |
T86 |
0 |
64 |
0 |
0 |
T173 |
0 |
65 |
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 | T174,T175,T89 |
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 | T174,T175,T89 |
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 |
411711786 |
197843 |
0 |
0 |
T2 |
15040 |
91 |
0 |
0 |
T3 |
2446 |
2 |
0 |
0 |
T4 |
36349 |
2 |
0 |
0 |
T5 |
12802 |
29 |
0 |
0 |
T6 |
27784 |
128 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
70 |
0 |
0 |
T17 |
0 |
16 |
0 |
0 |
T29 |
20718 |
90 |
0 |
0 |
T40 |
0 |
72 |
0 |
0 |
T48 |
0 |
2 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
197843 |
0 |
0 |
T2 |
15040 |
91 |
0 |
0 |
T3 |
2446 |
2 |
0 |
0 |
T4 |
36349 |
2 |
0 |
0 |
T5 |
12802 |
29 |
0 |
0 |
T6 |
27784 |
128 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
70 |
0 |
0 |
T17 |
0 |
16 |
0 |
0 |
T29 |
20718 |
90 |
0 |
0 |
T40 |
0 |
72 |
0 |
0 |
T48 |
0 |
2 |
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: T7 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 | T7,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 | T7,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 | T10,T69,T51 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T7,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 | T7,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 | T7,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T69,T51 |
1 | 0 | Covered | T7,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 | T7,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 |
T7,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 |
T7,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 |
T7,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 |
411711786 |
165247 |
0 |
0 |
T7 |
9158 |
58 |
0 |
0 |
T8 |
94168 |
429 |
0 |
0 |
T9 |
24686 |
54 |
0 |
0 |
T10 |
21399 |
87 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
42 |
0 |
0 |
T50 |
66079 |
218 |
0 |
0 |
T51 |
0 |
309 |
0 |
0 |
T55 |
0 |
18 |
0 |
0 |
T63 |
0 |
64 |
0 |
0 |
T69 |
0 |
151 |
0 |
0 |
T74 |
32833 |
0 |
0 |
0 |
T78 |
52536 |
0 |
0 |
0 |
T79 |
3883 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
165247 |
0 |
0 |
T7 |
9158 |
58 |
0 |
0 |
T8 |
94168 |
429 |
0 |
0 |
T9 |
24686 |
54 |
0 |
0 |
T10 |
21399 |
87 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
42 |
0 |
0 |
T50 |
66079 |
218 |
0 |
0 |
T51 |
0 |
309 |
0 |
0 |
T55 |
0 |
18 |
0 |
0 |
T63 |
0 |
64 |
0 |
0 |
T69 |
0 |
151 |
0 |
0 |
T74 |
32833 |
0 |
0 |
0 |
T78 |
52536 |
0 |
0 |
0 |
T79 |
3883 |
0 |
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: T7 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 | T7,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 | T7,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 | T170,T176,T177 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T7,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 | T7,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 | T7,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T170,T176,T177 |
1 | 0 | Covered | T7,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 | T7,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 |
T7,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 |
T7,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 |
T7,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 |
411711786 |
318530 |
0 |
0 |
T7 |
9158 |
2 |
0 |
0 |
T8 |
94168 |
34 |
0 |
0 |
T9 |
24686 |
71 |
0 |
0 |
T10 |
21399 |
11 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
5 |
0 |
0 |
T50 |
66079 |
234 |
0 |
0 |
T66 |
0 |
268 |
0 |
0 |
T69 |
0 |
165 |
0 |
0 |
T74 |
32833 |
149 |
0 |
0 |
T78 |
52536 |
260 |
0 |
0 |
T79 |
3883 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
318530 |
0 |
0 |
T7 |
9158 |
2 |
0 |
0 |
T8 |
94168 |
34 |
0 |
0 |
T9 |
24686 |
71 |
0 |
0 |
T10 |
21399 |
11 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
5 |
0 |
0 |
T50 |
66079 |
234 |
0 |
0 |
T66 |
0 |
268 |
0 |
0 |
T69 |
0 |
165 |
0 |
0 |
T74 |
32833 |
149 |
0 |
0 |
T78 |
52536 |
260 |
0 |
0 |
T79 |
3883 |
0 |
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 |
411711786 |
127442919 |
0 |
0 |
T2 |
15040 |
13320 |
0 |
0 |
T3 |
2446 |
1277 |
0 |
0 |
T4 |
36349 |
35382 |
0 |
0 |
T5 |
12802 |
1976 |
0 |
0 |
T6 |
27784 |
24877 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
46770 |
0 |
0 |
T17 |
0 |
1286 |
0 |
0 |
T29 |
20718 |
18804 |
0 |
0 |
T40 |
0 |
9993 |
0 |
0 |
T48 |
0 |
19892 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
127442919 |
0 |
0 |
T2 |
15040 |
13320 |
0 |
0 |
T3 |
2446 |
1277 |
0 |
0 |
T4 |
36349 |
35382 |
0 |
0 |
T5 |
12802 |
1976 |
0 |
0 |
T6 |
27784 |
24877 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
46770 |
0 |
0 |
T17 |
0 |
1286 |
0 |
0 |
T29 |
20718 |
18804 |
0 |
0 |
T40 |
0 |
9993 |
0 |
0 |
T48 |
0 |
19892 |
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: T3 T4 T11
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 | T86,T87,T88 |
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 | T3,T4,T11 |
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 | T3,T4,T11 |
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 | T3,T4,T11 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T3,T4,T11 |
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 | T3,T4,T11 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T86,T87,T88 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T3,T4,T11 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T3,T4,T11 |
1 | 0 | Covered | T3,T4,T11 |
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 | T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
T3,T4,T11 |
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 |
411711786 |
27187413 |
0 |
0 |
T3 |
2446 |
69 |
0 |
0 |
T4 |
36349 |
664 |
0 |
0 |
T5 |
12802 |
0 |
0 |
0 |
T6 |
27784 |
0 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
4639 |
0 |
0 |
T18 |
0 |
321 |
0 |
0 |
T19 |
0 |
1371 |
0 |
0 |
T27 |
0 |
14395 |
0 |
0 |
T28 |
0 |
25506 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T38 |
0 |
1361 |
0 |
0 |
T49 |
12179 |
0 |
0 |
0 |
T86 |
0 |
14179 |
0 |
0 |
T173 |
0 |
2912 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
27187413 |
0 |
0 |
T3 |
2446 |
69 |
0 |
0 |
T4 |
36349 |
664 |
0 |
0 |
T5 |
12802 |
0 |
0 |
0 |
T6 |
27784 |
0 |
0 |
0 |
T7 |
9158 |
0 |
0 |
0 |
T8 |
94168 |
0 |
0 |
0 |
T9 |
24686 |
0 |
0 |
0 |
T10 |
21399 |
0 |
0 |
0 |
T11 |
0 |
4639 |
0 |
0 |
T18 |
0 |
321 |
0 |
0 |
T19 |
0 |
1371 |
0 |
0 |
T27 |
0 |
14395 |
0 |
0 |
T28 |
0 |
25506 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T38 |
0 |
1361 |
0 |
0 |
T49 |
12179 |
0 |
0 |
0 |
T86 |
0 |
14179 |
0 |
0 |
T173 |
0 |
2912 |
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: T7 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 | T7,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 | T7,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 | T7,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 | T7,T8,T9 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T7,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 | T7,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T7,T8,T9 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T7,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T7,T8,T9 |
1 | 0 | Covered | T7,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 | T7,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 |
T7,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 |
T7,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 |
T7,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 |
411711786 |
33868614 |
0 |
0 |
T7 |
9158 |
4374 |
0 |
0 |
T8 |
94168 |
90637 |
0 |
0 |
T9 |
24686 |
9259 |
0 |
0 |
T10 |
21399 |
6324 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
10266 |
0 |
0 |
T50 |
66079 |
31642 |
0 |
0 |
T51 |
0 |
50686 |
0 |
0 |
T55 |
0 |
3955 |
0 |
0 |
T63 |
0 |
12122 |
0 |
0 |
T69 |
0 |
24278 |
0 |
0 |
T74 |
32833 |
0 |
0 |
0 |
T78 |
52536 |
0 |
0 |
0 |
T79 |
3883 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
33868614 |
0 |
0 |
T7 |
9158 |
4374 |
0 |
0 |
T8 |
94168 |
90637 |
0 |
0 |
T9 |
24686 |
9259 |
0 |
0 |
T10 |
21399 |
6324 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
10266 |
0 |
0 |
T50 |
66079 |
31642 |
0 |
0 |
T51 |
0 |
50686 |
0 |
0 |
T55 |
0 |
3955 |
0 |
0 |
T63 |
0 |
12122 |
0 |
0 |
T69 |
0 |
24278 |
0 |
0 |
T74 |
32833 |
0 |
0 |
0 |
T78 |
52536 |
0 |
0 |
0 |
T79 |
3883 |
0 |
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: T7 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,T10,T49 |
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,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 | T7,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 | T178,T179,T180 |
1 | 0 | 1 | Covered | T7,T8,T9 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T7,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 | T7,T8,T9 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T9,T10,T49 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T7,T8,T9 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T7,T8,T9 |
1 | 0 | Covered | T7,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 | T7,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 |
T7,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 |
T7,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 |
T7,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 |
411711786 |
242986291 |
0 |
0 |
T7 |
9158 |
353 |
0 |
0 |
T8 |
94168 |
475 |
0 |
0 |
T9 |
24686 |
10276 |
0 |
0 |
T10 |
21399 |
2732 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
9465 |
0 |
0 |
T50 |
66079 |
33140 |
0 |
0 |
T66 |
0 |
46510 |
0 |
0 |
T69 |
0 |
29729 |
0 |
0 |
T74 |
32833 |
29874 |
0 |
0 |
T78 |
52536 |
52095 |
0 |
0 |
T79 |
3883 |
0 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
411540848 |
0 |
0 |
T1 |
1773 |
1681 |
0 |
0 |
T2 |
15040 |
14960 |
0 |
0 |
T3 |
2446 |
2367 |
0 |
0 |
T4 |
36349 |
36270 |
0 |
0 |
T5 |
12802 |
12104 |
0 |
0 |
T6 |
27784 |
27703 |
0 |
0 |
T7 |
9158 |
9090 |
0 |
0 |
T8 |
94168 |
94096 |
0 |
0 |
T9 |
24686 |
24629 |
0 |
0 |
T10 |
21399 |
21326 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
411711786 |
242986291 |
0 |
0 |
T7 |
9158 |
353 |
0 |
0 |
T8 |
94168 |
475 |
0 |
0 |
T9 |
24686 |
10276 |
0 |
0 |
T10 |
21399 |
2732 |
0 |
0 |
T29 |
20718 |
0 |
0 |
0 |
T49 |
12179 |
9465 |
0 |
0 |
T50 |
66079 |
33140 |
0 |
0 |
T66 |
0 |
46510 |
0 |
0 |
T69 |
0 |
29729 |
0 |
0 |
T74 |
32833 |
29874 |
0 |
0 |
T78 |
52536 |
52095 |
0 |
0 |
T79 |
3883 |
0 |
0 |
0 |