Line Coverage for Module :
prim_subreg_shadow
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Module :
prim_subreg_shadow
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T78,T79,T80 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T79,T80 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T78,T79,T80 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T79,T80 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T79,T80 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T79,T80 |
Branch Coverage for Module :
prim_subreg_shadow
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Module :
prim_subreg_shadow
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
10100 |
10100 |
0 |
0 |
T1 |
10 |
10 |
0 |
0 |
T4 |
10 |
10 |
0 |
0 |
T5 |
10 |
10 |
0 |
0 |
T6 |
10 |
10 |
0 |
0 |
T27 |
10 |
10 |
0 |
0 |
T28 |
10 |
10 |
0 |
0 |
T29 |
10 |
10 |
0 |
0 |
T30 |
10 |
10 |
0 |
0 |
T31 |
10 |
10 |
0 |
0 |
T32 |
10 |
10 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
521203156 |
493160134 |
0 |
0 |
T1 |
263038 |
105610 |
0 |
0 |
T4 |
48720 |
47672 |
0 |
0 |
T5 |
24546 |
23230 |
0 |
0 |
T6 |
30736 |
30266 |
0 |
0 |
T27 |
13720 |
13344 |
0 |
0 |
T28 |
25576 |
24430 |
0 |
0 |
T29 |
10660 |
9794 |
0 |
0 |
T30 |
18552 |
17964 |
0 |
0 |
T31 |
43412 |
42584 |
0 |
0 |
T32 |
51802 |
51192 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T78,T81,T82 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T79,T80 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T78,T81,T82 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T79,T80,T83 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T79,T80,T83 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T79,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
77304370 |
72575152 |
0 |
0 |
T1 |
43028 |
16042 |
0 |
0 |
T4 |
7431 |
7241 |
0 |
0 |
T5 |
3759 |
3528 |
0 |
0 |
T6 |
4587 |
4507 |
0 |
0 |
T27 |
2064 |
1998 |
0 |
0 |
T28 |
3758 |
3569 |
0 |
0 |
T29 |
1614 |
1452 |
0 |
0 |
T30 |
2836 |
2729 |
0 |
0 |
T31 |
6603 |
6468 |
0 |
0 |
T32 |
7682 |
7574 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T81,T82,T84 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T81,T82,T84 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T79,T80 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T79,T80 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
77304370 |
72575152 |
0 |
0 |
T1 |
43028 |
16042 |
0 |
0 |
T4 |
7431 |
7241 |
0 |
0 |
T5 |
3759 |
3528 |
0 |
0 |
T6 |
4587 |
4507 |
0 |
0 |
T27 |
2064 |
1998 |
0 |
0 |
T28 |
3758 |
3569 |
0 |
0 |
T29 |
1614 |
1452 |
0 |
0 |
T30 |
2836 |
2729 |
0 |
0 |
T31 |
6603 |
6468 |
0 |
0 |
T32 |
7682 |
7574 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T78,T83,T81 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T78,T83,T81 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T83,T85,T82 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T83,T85,T82 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
37650258 |
36464198 |
0 |
0 |
T1 |
14769 |
8021 |
0 |
0 |
T4 |
3648 |
3620 |
0 |
0 |
T5 |
1812 |
1764 |
0 |
0 |
T6 |
2473 |
2452 |
0 |
0 |
T27 |
1078 |
1064 |
0 |
0 |
T28 |
1846 |
1784 |
0 |
0 |
T29 |
818 |
804 |
0 |
0 |
T30 |
1378 |
1364 |
0 |
0 |
T31 |
3282 |
3234 |
0 |
0 |
T32 |
4253 |
4232 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T78,T80,T83 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T78,T80,T83 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T80,T83,T86 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T80,T83,T86 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
37650258 |
36464198 |
0 |
0 |
T1 |
14769 |
8021 |
0 |
0 |
T4 |
3648 |
3620 |
0 |
0 |
T5 |
1812 |
1764 |
0 |
0 |
T6 |
2473 |
2452 |
0 |
0 |
T27 |
1078 |
1064 |
0 |
0 |
T28 |
1846 |
1784 |
0 |
0 |
T29 |
818 |
804 |
0 |
0 |
T30 |
1378 |
1364 |
0 |
0 |
T31 |
3282 |
3234 |
0 |
0 |
T32 |
4253 |
4232 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T79,T80,T81 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T79,T80,T81 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T83,T81,T84 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T83,T81,T84 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18824682 |
18231761 |
0 |
0 |
T1 |
7384 |
4010 |
0 |
0 |
T4 |
1824 |
1810 |
0 |
0 |
T5 |
906 |
882 |
0 |
0 |
T6 |
1236 |
1225 |
0 |
0 |
T27 |
537 |
530 |
0 |
0 |
T28 |
923 |
892 |
0 |
0 |
T29 |
409 |
402 |
0 |
0 |
T30 |
689 |
682 |
0 |
0 |
T31 |
1641 |
1617 |
0 |
0 |
T32 |
2123 |
2113 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T80,T81,T87 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T80,T81,T87 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T82,T84,T87 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T82,T84,T87 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
18824682 |
18231761 |
0 |
0 |
T1 |
7384 |
4010 |
0 |
0 |
T4 |
1824 |
1810 |
0 |
0 |
T5 |
906 |
882 |
0 |
0 |
T6 |
1236 |
1225 |
0 |
0 |
T27 |
537 |
530 |
0 |
0 |
T28 |
923 |
892 |
0 |
0 |
T29 |
409 |
402 |
0 |
0 |
T30 |
689 |
682 |
0 |
0 |
T31 |
1641 |
1617 |
0 |
0 |
T32 |
2123 |
2113 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T79,T83,T82 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T79,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T79,T83,T82 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T79,T83 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T79,T83 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T79,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
85806994 |
80722448 |
0 |
0 |
T1 |
44823 |
16711 |
0 |
0 |
T4 |
7741 |
7544 |
0 |
0 |
T5 |
3916 |
3676 |
0 |
0 |
T6 |
4779 |
4695 |
0 |
0 |
T27 |
2149 |
2081 |
0 |
0 |
T28 |
4338 |
4141 |
0 |
0 |
T29 |
1682 |
1513 |
0 |
0 |
T30 |
2955 |
2843 |
0 |
0 |
T31 |
6878 |
6738 |
0 |
0 |
T32 |
8002 |
7890 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T79,T82,T86 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T83,T82 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T79,T82,T86 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T79,T82 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T79,T82 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T83,T82 |
Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
85806994 |
80722448 |
0 |
0 |
T1 |
44823 |
16711 |
0 |
0 |
T4 |
7741 |
7544 |
0 |
0 |
T5 |
3916 |
3676 |
0 |
0 |
T6 |
4779 |
4695 |
0 |
0 |
T27 |
2149 |
2081 |
0 |
0 |
T28 |
4338 |
4141 |
0 |
0 |
T29 |
1682 |
1513 |
0 |
0 |
T30 |
2955 |
2843 |
0 |
0 |
T31 |
6878 |
6738 |
0 |
0 |
T32 |
8002 |
7890 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T80,T81,T84 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T79,T80,T83 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T80,T81,T84 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T80,T81 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T80,T81 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T79,T80,T83 |
Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
41015274 |
38586508 |
0 |
0 |
T1 |
21515 |
8021 |
0 |
0 |
T4 |
3716 |
3621 |
0 |
0 |
T5 |
1880 |
1765 |
0 |
0 |
T6 |
2293 |
2254 |
0 |
0 |
T27 |
1032 |
999 |
0 |
0 |
T28 |
1923 |
1829 |
0 |
0 |
T29 |
807 |
726 |
0 |
0 |
T30 |
1418 |
1364 |
0 |
0 |
T31 |
3302 |
3235 |
0 |
0 |
T32 |
3841 |
3787 |
0 |
0 |
Line Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
TOTAL | | 16 | 16 | 100.00 |
CONT_ASSIGN | 94 | 1 | 1 | 100.00 |
ALWAYS | 100 | 6 | 6 | 100.00 |
CONT_ASSIGN | 113 | 1 | 1 | 100.00 |
CONT_ASSIGN | 114 | 0 | 0 | |
CONT_ASSIGN | 138 | 1 | 1 | 100.00 |
CONT_ASSIGN | 139 | 0 | 0 | |
CONT_ASSIGN | 160 | 1 | 1 | 100.00 |
CONT_ASSIGN | 161 | 0 | 0 | |
CONT_ASSIGN | 180 | 1 | 1 | 100.00 |
CONT_ASSIGN | 183 | 1 | 1 | 100.00 |
CONT_ASSIGN | 184 | 1 | 1 | 100.00 |
CONT_ASSIGN | 187 | 1 | 1 | 100.00 |
CONT_ASSIGN | 188 | 1 | 1 | 100.00 |
CONT_ASSIGN | 189 | 1 | 1 | 100.00 |
93 // - In case of RO, SW should not interfere with update process.
94 1/1 assign phase_clear = (SwAccess == SwAccessRO) ? 1'b0 : re;
Tests: T1 T3 T12
95
96 // Phase tracker:
97 // - Reads from SW clear the phase back to 0.
98 // - Writes have priority (can come from SW or HW).
99 always_ff @(posedge clk_i or negedge rst_ni) begin : phase_reg
100 1/1 if (!rst_ni) begin
Tests: T4 T5 T6
101 1/1 phase_q <= 1'b0;
Tests: T4 T5 T6
102 1/1 end else if (wr_en && !err_storage) begin
Tests: T4 T5 T6
103 1/1 phase_q <= ~phase_q;
Tests: T1 T2 T3
104 1/1 end else if (phase_clear || err_storage) begin
Tests: T4 T5 T6
105 1/1 phase_q <= 1'b0;
Tests: T1 T3 T12
106 end
MISSING_ELSE
107 end
108
109 // The staged register:
110 // - Holds the 1's complement value.
111 // - Written in Phase 0.
112 // - Once storage error occurs, do not allow any further update until reset
113 1/1 assign staged_we = we & ~phase_q & ~err_storage;
Tests: T1 T2 T3
114 unreachable assign staged_de = de & ~phase_q & ~err_storage;
115 prim_subreg #(
116 .DW ( DW ),
117 .SwAccess ( StagedSwAccess ),
118 .RESVAL ( ~RESVAL )
119 ) staged_reg (
120 .clk_i ( clk_i ),
121 .rst_ni ( rst_ni ),
122 .we ( staged_we ),
123 .wd ( ~wr_data ),
124 .de ( staged_de ),
125 .d ( ~d ),
126 .qe ( ),
127 .q ( staged_q ),
128 .ds ( ),
129 .qs ( )
130 );
131
132 // The shadow register:
133 // - Holds the 1's complement value.
134 // - Written in Phase 1.
135 // - Writes are ignored in case of update errors.
136 // - Gets the value from the staged register.
137 // - Once storage error occurs, do not allow any further update until reset
138 1/1 assign shadow_we = we & phase_q & ~err_update & ~err_storage;
Tests: T1 T2 T3
139 unreachable assign shadow_de = de & phase_q & ~err_update & ~err_storage;
140 prim_subreg #(
141 .DW ( DW ),
142 .SwAccess ( InvertedSwAccess ),
143 .RESVAL ( ~RESVAL )
144 ) shadow_reg (
145 .clk_i ( clk_i ),
146 .rst_ni ( rst_shadowed_ni ),
147 .we ( shadow_we ),
148 .wd ( staged_q ),
149 .de ( shadow_de ),
150 .d ( staged_q ),
151 .qe ( ),
152 .q ( shadow_q ),
153 .ds ( ),
154 .qs ( )
155 );
156
157 // The committed register:
158 // - Written in Phase 1.
159 // - Writes are ignored in case of update errors.
160 1/1 assign committed_we = shadow_we;
Tests: T1 T2 T3
161 unreachable assign committed_de = shadow_de;
162 prim_subreg #(
163 .DW ( DW ),
164 .SwAccess ( SwAccess ),
165 .RESVAL ( RESVAL )
166 ) committed_reg (
167 .clk_i ( clk_i ),
168 .rst_ni ( rst_ni ),
169 .we ( committed_we ),
170 .wd ( wr_data ),
171 .de ( committed_de ),
172 .d ( d ),
173 .qe ( committed_qe ),
174 .q ( committed_q ),
175 .ds ( ds ),
176 .qs ( committed_qs )
177 );
178
179 // Output phase for hwext.
180 1/1 assign phase = phase_q;
Tests: T1 T2 T3
181
182 // Error detection - all bits must match.
183 1/1 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
Tests: T1 T2 T3
184 1/1 assign err_storage = (~shadow_q != committed_q);
Tests: T1 T2 T3
185
186 // Remaining output assignments
187 1/1 assign qe = committed_qe;
Tests: T1 T2 T3
188 1/1 assign q = committed_q;
Tests: T1 T2 T3
189 1/1 assign qs = committed_qs;
Tests: T1 T2 T3
Cond Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Total | Covered | Percent |
Conditions | 26 | 25 | 96.15 |
Logical | 26 | 25 | 96.15 |
Non-Logical | 0 | 0 | |
Event | 0 | 0 | |
LINE 102
EXPRESSION (wr_en && ((!err_storage)))
--1-- --------2-------
-1- | -2- | Status | Tests |
0 | 1 | Covered | T4,T5,T6 |
1 | 0 | Covered | T80,T84,T87 |
1 | 1 | Covered | T1,T2,T3 |
LINE 104
EXPRESSION (phase_clear || err_storage)
-----1----- -----2-----
-1- | -2- | Status | Tests |
0 | 0 | Covered | T4,T5,T6 |
0 | 1 | Covered | T78,T79,T80 |
1 | 0 | Covered | T1,T3,T12 |
LINE 113
EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | Covered | T80,T84,T87 |
1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 114
EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
-1 ------2----- --------3-------
-1- | -2- | -3- | Status | Tests |
0 | 1 | 1 | Covered | T4,T5,T6 |
1 | 0 | 1 | Unreachable | |
1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | Unreachable | |
LINE 138
EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Covered | T1,T2,T3 |
1 | 1 | 0 | 1 | Covered | T78,T80,T81 |
1 | 1 | 1 | 0 | Not Covered | |
1 | 1 | 1 | 1 | Covered | T1,T2,T3 |
LINE 139
EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
-1 ---2--- -------3------- --------4-------
-1- | -2- | -3- | -4- | Status | Tests |
0 | 1 | 1 | 1 | Covered | T1,T2,T3 |
1 | 0 | 1 | 1 | Unreachable | |
1 | 1 | 0 | 1 | Unreachable | |
1 | 1 | 1 | 0 | Unreachable | |
1 | 1 | 1 | 1 | Unreachable | |
LINE 183
EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION ((~staged_q) != wr_data)
------------1-----------
-1- | Status | Tests |
0 | Covered | T1,T2,T3 |
1 | Covered | T4,T5,T6 |
LINE 183
SUB-EXPRESSION (phase_q & wr_en)
---1--- --2--
-1- | -2- | Status | Tests |
0 | 1 | Covered | T1,T2,T3 |
1 | 0 | Covered | T1,T2,T3 |
1 | 1 | Covered | T78,T80,T81 |
LINE 184
EXPRESSION ((~shadow_q) != committed_q)
--------------1-------------
-1- | Status | Tests |
0 | Covered | T4,T5,T6 |
1 | Covered | T78,T79,T80 |
Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
| Line No. | Total | Covered | Percent |
Branches |
|
6 |
6 |
100.00 |
TERNARY |
183 |
2 |
2 |
100.00 |
IF |
100 |
4 |
4 |
100.00 |
183 assign err_update = (~staged_q != wr_data) ? phase_q & wr_en : 1'b0;
-1-
==>
==>
Branches:
-1- | Status | Tests |
1 |
Covered |
T4,T5,T6 |
0 |
Covered |
T1,T2,T3 |
100 if (!rst_ni) begin
-1-
101 phase_q <= 1'b0;
==>
102 end else if (wr_en && !err_storage) begin
-2-
103 phase_q <= ~phase_q;
==>
104 end else if (phase_clear || err_storage) begin
-3-
105 phase_q <= 1'b0;
==>
106 end
MISSING_ELSE
==>
Branches:
-1- | -2- | -3- | Status | Tests |
1 |
- |
- |
Covered |
T4,T5,T6 |
0 |
1 |
- |
Covered |
T1,T2,T3 |
0 |
0 |
1 |
Covered |
T1,T3,T12 |
0 |
0 |
0 |
Covered |
T4,T5,T6 |
Assert Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
Assertion Details
CheckSwAccessIsLegal_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
1010 |
1010 |
0 |
0 |
T1 |
1 |
1 |
0 |
0 |
T4 |
1 |
1 |
0 |
0 |
T5 |
1 |
1 |
0 |
0 |
T6 |
1 |
1 |
0 |
0 |
T27 |
1 |
1 |
0 |
0 |
T28 |
1 |
1 |
0 |
0 |
T29 |
1 |
1 |
0 |
0 |
T30 |
1 |
1 |
0 |
0 |
T31 |
1 |
1 |
0 |
0 |
T32 |
1 |
1 |
0 |
0 |
MubiIsNotYetSupported_A
Name | Attempts | Real Successes | Failures | Incomplete |
Total |
41015274 |
38586508 |
0 |
0 |
T1 |
21515 |
8021 |
0 |
0 |
T4 |
3716 |
3621 |
0 |
0 |
T5 |
1880 |
1765 |
0 |
0 |
T6 |
2293 |
2254 |
0 |
0 |
T27 |
1032 |
999 |
0 |
0 |
T28 |
1923 |
1829 |
0 |
0 |
T29 |
807 |
726 |
0 |
0 |
T30 |
1418 |
1364 |
0 |
0 |
T31 |
3302 |
3235 |
0 |
0 |
T32 |
3841 |
3787 |
0 |
0 |