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 |
401815017 |
0 |
0 |
T2 |
520532 |
125199 |
0 |
0 |
T3 |
36616 |
7568 |
0 |
0 |
T4 |
83100 |
19629 |
0 |
0 |
T5 |
190896 |
43544 |
0 |
0 |
T6 |
612468 |
140890 |
0 |
0 |
T7 |
32180 |
6943 |
0 |
0 |
T8 |
47708 |
2876 |
0 |
0 |
T9 |
179372 |
38959 |
0 |
0 |
T10 |
1752200 |
204084 |
0 |
0 |
T19 |
1355960 |
166295 |
0 |
0 |
T20 |
931212 |
230489 |
0 |
0 |
T43 |
0 |
1152 |
0 |
0 |
T44 |
532492 |
7090 |
0 |
0 |
T45 |
467408 |
73649 |
0 |
0 |
T46 |
83164 |
10071 |
0 |
0 |
T47 |
66392 |
4671 |
0 |
0 |
T48 |
0 |
23995 |
0 |
0 |
T69 |
358804 |
86462 |
0 |
0 |
T72 |
532824 |
50693 |
0 |
0 |
T73 |
79108 |
10156 |
0 |
0 |
T74 |
0 |
37641 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
7448 |
6928 |
0 |
0 |
T2 |
1041064 |
1040472 |
0 |
0 |
T3 |
73232 |
72816 |
0 |
0 |
T4 |
166200 |
165504 |
0 |
0 |
T5 |
381792 |
381152 |
0 |
0 |
T6 |
1224936 |
1224424 |
0 |
0 |
T7 |
64360 |
63928 |
0 |
0 |
T8 |
95416 |
89680 |
0 |
0 |
T9 |
358744 |
358032 |
0 |
0 |
T10 |
1752200 |
1751664 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
7448 |
6928 |
0 |
0 |
T2 |
1041064 |
1040472 |
0 |
0 |
T3 |
73232 |
72816 |
0 |
0 |
T4 |
166200 |
165504 |
0 |
0 |
T5 |
381792 |
381152 |
0 |
0 |
T6 |
1224936 |
1224424 |
0 |
0 |
T7 |
64360 |
63928 |
0 |
0 |
T8 |
95416 |
89680 |
0 |
0 |
T9 |
358744 |
358032 |
0 |
0 |
T10 |
1752200 |
1751664 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
7448 |
6928 |
0 |
0 |
T2 |
1041064 |
1040472 |
0 |
0 |
T3 |
73232 |
72816 |
0 |
0 |
T4 |
166200 |
165504 |
0 |
0 |
T5 |
381792 |
381152 |
0 |
0 |
T6 |
1224936 |
1224424 |
0 |
0 |
T7 |
64360 |
63928 |
0 |
0 |
T8 |
95416 |
89680 |
0 |
0 |
T9 |
358744 |
358032 |
0 |
0 |
T10 |
1752200 |
1751664 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
2147483647 |
0 |
0 |
T1 |
7448 |
6928 |
0 |
0 |
T2 |
1041064 |
1040472 |
0 |
0 |
T3 |
73232 |
72816 |
0 |
0 |
T4 |
166200 |
165504 |
0 |
0 |
T5 |
381792 |
381152 |
0 |
0 |
T6 |
1224936 |
1224424 |
0 |
0 |
T7 |
64360 |
63928 |
0 |
0 |
T8 |
95416 |
89680 |
0 |
0 |
T9 |
358744 |
358032 |
0 |
0 |
T10 |
1752200 |
1751664 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
2147483647 |
401815017 |
0 |
0 |
T2 |
520532 |
125199 |
0 |
0 |
T3 |
36616 |
7568 |
0 |
0 |
T4 |
83100 |
19629 |
0 |
0 |
T5 |
190896 |
43544 |
0 |
0 |
T6 |
612468 |
140890 |
0 |
0 |
T7 |
32180 |
6943 |
0 |
0 |
T8 |
47708 |
2876 |
0 |
0 |
T9 |
179372 |
38959 |
0 |
0 |
T10 |
1752200 |
204084 |
0 |
0 |
T19 |
1355960 |
166295 |
0 |
0 |
T20 |
931212 |
230489 |
0 |
0 |
T43 |
0 |
1152 |
0 |
0 |
T44 |
532492 |
7090 |
0 |
0 |
T45 |
467408 |
73649 |
0 |
0 |
T46 |
83164 |
10071 |
0 |
0 |
T47 |
66392 |
4671 |
0 |
0 |
T48 |
0 |
23995 |
0 |
0 |
T69 |
358804 |
86462 |
0 |
0 |
T72 |
532824 |
50693 |
0 |
0 |
T73 |
79108 |
10156 |
0 |
0 |
T74 |
0 |
37641 |
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: T2 T6 T7
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 | T2,T6,T7 |
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,T6,T7 |
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 | T2,T6,T7 |
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,T6,T7 |
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,T6,T7 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Not Covered | |
1 | 0 | Covered | T2,T6,T7 |
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,T6,T7 |
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 |
T2,T6,T7 |
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,T6,T7 |
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,T6,T7 |
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 |
384075267 |
192534 |
0 |
0 |
T2 |
130133 |
642 |
0 |
0 |
T3 |
9154 |
0 |
0 |
0 |
T4 |
20775 |
0 |
0 |
0 |
T5 |
47724 |
0 |
0 |
0 |
T6 |
153117 |
704 |
0 |
0 |
T7 |
8045 |
2 |
0 |
0 |
T8 |
11927 |
0 |
0 |
0 |
T9 |
44843 |
102 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T11 |
0 |
66 |
0 |
0 |
T17 |
0 |
17 |
0 |
0 |
T19 |
169495 |
15 |
0 |
0 |
T24 |
0 |
829 |
0 |
0 |
T43 |
0 |
1152 |
0 |
0 |
T176 |
0 |
182 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
192534 |
0 |
0 |
T2 |
130133 |
642 |
0 |
0 |
T3 |
9154 |
0 |
0 |
0 |
T4 |
20775 |
0 |
0 |
0 |
T5 |
47724 |
0 |
0 |
0 |
T6 |
153117 |
704 |
0 |
0 |
T7 |
8045 |
2 |
0 |
0 |
T8 |
11927 |
0 |
0 |
0 |
T9 |
44843 |
102 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T11 |
0 |
66 |
0 |
0 |
T17 |
0 |
17 |
0 |
0 |
T19 |
169495 |
15 |
0 |
0 |
T24 |
0 |
829 |
0 |
0 |
T43 |
0 |
1152 |
0 |
0 |
T176 |
0 |
182 |
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,T20,T43 |
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,T20,T43 |
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 |
384075267 |
192561 |
0 |
0 |
T2 |
130133 |
90 |
0 |
0 |
T3 |
9154 |
58 |
0 |
0 |
T4 |
20775 |
92 |
0 |
0 |
T5 |
47724 |
220 |
0 |
0 |
T6 |
153117 |
22 |
0 |
0 |
T7 |
8045 |
2 |
0 |
0 |
T8 |
11927 |
32 |
0 |
0 |
T9 |
44843 |
99 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T19 |
169495 |
55 |
0 |
0 |
T20 |
0 |
1092 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
192561 |
0 |
0 |
T2 |
130133 |
90 |
0 |
0 |
T3 |
9154 |
58 |
0 |
0 |
T4 |
20775 |
92 |
0 |
0 |
T5 |
47724 |
220 |
0 |
0 |
T6 |
153117 |
22 |
0 |
0 |
T7 |
8045 |
2 |
0 |
0 |
T8 |
11927 |
32 |
0 |
0 |
T9 |
44843 |
99 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T19 |
169495 |
55 |
0 |
0 |
T20 |
0 |
1092 |
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: T10 T44 T45
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 | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T44,T74,T177 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T10,T44,T45 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T44,T74,T177 |
1 | 0 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
384075267 |
160498 |
0 |
0 |
T10 |
219025 |
18 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
403 |
0 |
0 |
T45 |
116852 |
191 |
0 |
0 |
T46 |
20791 |
62 |
0 |
0 |
T47 |
16598 |
13 |
0 |
0 |
T48 |
0 |
92 |
0 |
0 |
T69 |
89701 |
52 |
0 |
0 |
T72 |
133206 |
384 |
0 |
0 |
T73 |
19777 |
37 |
0 |
0 |
T74 |
0 |
307 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
160498 |
0 |
0 |
T10 |
219025 |
18 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
403 |
0 |
0 |
T45 |
116852 |
191 |
0 |
0 |
T46 |
20791 |
62 |
0 |
0 |
T47 |
16598 |
13 |
0 |
0 |
T48 |
0 |
92 |
0 |
0 |
T69 |
89701 |
52 |
0 |
0 |
T72 |
133206 |
384 |
0 |
0 |
T73 |
19777 |
37 |
0 |
0 |
T74 |
0 |
307 |
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: T10 T44 T45
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 | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T47,T57,T59 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T10,T44,T45 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T47,T57,T59 |
1 | 0 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
384075267 |
319493 |
0 |
0 |
T10 |
219025 |
1219 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
338 |
0 |
0 |
T45 |
116852 |
506 |
0 |
0 |
T46 |
20791 |
57 |
0 |
0 |
T47 |
16598 |
14 |
0 |
0 |
T48 |
0 |
83 |
0 |
0 |
T69 |
89701 |
45 |
0 |
0 |
T72 |
133206 |
323 |
0 |
0 |
T73 |
19777 |
69 |
0 |
0 |
T74 |
0 |
272 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
319493 |
0 |
0 |
T10 |
219025 |
1219 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
338 |
0 |
0 |
T45 |
116852 |
506 |
0 |
0 |
T46 |
20791 |
57 |
0 |
0 |
T47 |
16598 |
14 |
0 |
0 |
T48 |
0 |
83 |
0 |
0 |
T69 |
89701 |
45 |
0 |
0 |
T72 |
133206 |
323 |
0 |
0 |
T73 |
19777 |
69 |
0 |
0 |
T74 |
0 |
272 |
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 | T2,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 |
384075267 |
116505669 |
0 |
0 |
T2 |
130133 |
124467 |
0 |
0 |
T3 |
9154 |
7510 |
0 |
0 |
T4 |
20775 |
19537 |
0 |
0 |
T5 |
47724 |
43324 |
0 |
0 |
T6 |
153117 |
140164 |
0 |
0 |
T7 |
8045 |
6939 |
0 |
0 |
T8 |
11927 |
2844 |
0 |
0 |
T9 |
44843 |
38758 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T19 |
169495 |
166225 |
0 |
0 |
T20 |
0 |
229397 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
116505669 |
0 |
0 |
T2 |
130133 |
124467 |
0 |
0 |
T3 |
9154 |
7510 |
0 |
0 |
T4 |
20775 |
19537 |
0 |
0 |
T5 |
47724 |
43324 |
0 |
0 |
T6 |
153117 |
140164 |
0 |
0 |
T7 |
8045 |
6939 |
0 |
0 |
T8 |
11927 |
2844 |
0 |
0 |
T9 |
44843 |
38758 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T19 |
169495 |
166225 |
0 |
0 |
T20 |
0 |
229397 |
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: T2 T6 T7
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 | T6,T43,T32 |
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,T6,T7 |
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,T6,T7 |
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,T6,T7 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T2,T6,T7 |
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,T6,T7 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T6,T43,T32 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T2,T6,T7 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T2,T6,T7 |
1 | 0 | Covered | T2,T6,T7 |
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,T6,T7 |
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 |
T2,T6,T7 |
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,T6,T7 |
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,T6,T7 |
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 |
384075267 |
24821025 |
0 |
0 |
T2 |
130133 |
14129 |
0 |
0 |
T3 |
9154 |
0 |
0 |
0 |
T4 |
20775 |
0 |
0 |
0 |
T5 |
47724 |
0 |
0 |
0 |
T6 |
153117 |
145704 |
0 |
0 |
T7 |
8045 |
14 |
0 |
0 |
T8 |
11927 |
0 |
0 |
0 |
T9 |
44843 |
4132 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T11 |
0 |
1485 |
0 |
0 |
T17 |
0 |
503 |
0 |
0 |
T19 |
169495 |
330 |
0 |
0 |
T24 |
0 |
18439 |
0 |
0 |
T43 |
0 |
220327 |
0 |
0 |
T176 |
0 |
2012 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
24821025 |
0 |
0 |
T2 |
130133 |
14129 |
0 |
0 |
T3 |
9154 |
0 |
0 |
0 |
T4 |
20775 |
0 |
0 |
0 |
T5 |
47724 |
0 |
0 |
0 |
T6 |
153117 |
145704 |
0 |
0 |
T7 |
8045 |
14 |
0 |
0 |
T8 |
11927 |
0 |
0 |
0 |
T9 |
44843 |
4132 |
0 |
0 |
T10 |
219025 |
0 |
0 |
0 |
T11 |
0 |
1485 |
0 |
0 |
T17 |
0 |
503 |
0 |
0 |
T19 |
169495 |
330 |
0 |
0 |
T24 |
0 |
18439 |
0 |
0 |
T43 |
0 |
220327 |
0 |
0 |
T176 |
0 |
2012 |
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: T10 T44 T45
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 | T44,T45,T46 |
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 | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T10,T44,T45 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T44,T45,T46 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T44,T45 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T44,T45 |
1 | 0 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
384075267 |
31702087 |
0 |
0 |
T10 |
219025 |
4876 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
111085 |
0 |
0 |
T45 |
116852 |
31993 |
0 |
0 |
T46 |
20791 |
4077 |
0 |
0 |
T47 |
16598 |
3011 |
0 |
0 |
T48 |
0 |
15229 |
0 |
0 |
T69 |
89701 |
56813 |
0 |
0 |
T72 |
133206 |
74335 |
0 |
0 |
T73 |
19777 |
6477 |
0 |
0 |
T74 |
0 |
40967 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
31702087 |
0 |
0 |
T10 |
219025 |
4876 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
111085 |
0 |
0 |
T45 |
116852 |
31993 |
0 |
0 |
T46 |
20791 |
4077 |
0 |
0 |
T47 |
16598 |
3011 |
0 |
0 |
T48 |
0 |
15229 |
0 |
0 |
T69 |
89701 |
56813 |
0 |
0 |
T72 |
133206 |
74335 |
0 |
0 |
T73 |
19777 |
6477 |
0 |
0 |
T74 |
0 |
40967 |
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: T10 T44 T45
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 | T10,T44,T45 |
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 | T10,T44,T45 |
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 | T10,T44,T45 |
LINE 101
EXPRESSION (rvalid_o & rready_i & ((~gen_normal_fifo.under_rst)))
----1--- ----2--- ---------------3--------------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T73,T178,T179 |
1 | 0 | 1 | Covered | T10,T44,T45 |
1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
LINE 130
SUB-EXPRESSION (gen_normal_fifo.fifo_empty && wvalid_i)
-------------1------------ ----2---
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T44,T45 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T10,T44,T45 |
LINE 131
EXPRESSION (gen_normal_fifo.fifo_empty & ((~wvalid_i)))
-------------1------------ ------2------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T10,T44,T45 |
1 | 0 | Covered | T10,T44,T45 |
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 | T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
T10,T44,T45 |
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 |
384075267 |
227921150 |
0 |
0 |
T10 |
219025 |
202865 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
6752 |
0 |
0 |
T45 |
116852 |
73143 |
0 |
0 |
T46 |
20791 |
10014 |
0 |
0 |
T47 |
16598 |
4657 |
0 |
0 |
T48 |
0 |
23912 |
0 |
0 |
T69 |
89701 |
86417 |
0 |
0 |
T72 |
133206 |
50370 |
0 |
0 |
T73 |
19777 |
10087 |
0 |
0 |
T74 |
0 |
37369 |
0 |
0 |
DataKnown_AKnownEnable
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
DepthKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
RvalidKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
WreadyKnown_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
383907368 |
0 |
0 |
T1 |
931 |
866 |
0 |
0 |
T2 |
130133 |
130059 |
0 |
0 |
T3 |
9154 |
9102 |
0 |
0 |
T4 |
20775 |
20688 |
0 |
0 |
T5 |
47724 |
47644 |
0 |
0 |
T6 |
153117 |
153053 |
0 |
0 |
T7 |
8045 |
7991 |
0 |
0 |
T8 |
11927 |
11210 |
0 |
0 |
T9 |
44843 |
44754 |
0 |
0 |
T10 |
219025 |
218958 |
0 |
0 |
gen_normal_fifo.depthShallNotExceedParamDepth
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
384075267 |
227921150 |
0 |
0 |
T10 |
219025 |
202865 |
0 |
0 |
T19 |
169495 |
0 |
0 |
0 |
T20 |
232803 |
0 |
0 |
0 |
T44 |
133123 |
6752 |
0 |
0 |
T45 |
116852 |
73143 |
0 |
0 |
T46 |
20791 |
10014 |
0 |
0 |
T47 |
16598 |
4657 |
0 |
0 |
T48 |
0 |
23912 |
0 |
0 |
T69 |
89701 |
86417 |
0 |
0 |
T72 |
133206 |
50370 |
0 |
0 |
T73 |
19777 |
10087 |
0 |
0 |
T74 |
0 |
37369 |
0 |
0 |