Module Definition
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Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00



Module Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.04 100.00 96.15 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
99.55 100.00 98.21 100.00 100.00


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
100.00 100.00 100.00 100.00 100.00 u_reg


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
committed_reg 100.00 100.00 100.00 100.00
shadow_reg 100.00 100.00 100.00 100.00
staged_reg 100.00 100.00 100.00 100.00
wr_en_data_arb 100.00 100.00 100.00 100.00

Line Coverage for Module : prim_subreg_shadow
Line No.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT78,T79,T80
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T79,T80
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT78,T79,T80
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T79,T80
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T79,T80

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T79,T80

Branch Coverage for Module : prim_subreg_shadow
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 10100 10100 0 0
MubiIsNotYetSupported_A 521203156 493160134 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT78,T81,T82
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T79,T80
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT78,T81,T82
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT79,T80,T83
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT79,T80,T83

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T79,T80

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_hi
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 77304370 72575152 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT81,T82,T84
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT81,T82,T84
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T79,T80
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T79,T80

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_io_meas_ctrl_shadowed_lo
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 77304370 72575152 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT78,T83,T81
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT78,T83,T81
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT83,T85,T82
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT83,T85,T82

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_hi
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 37650258 36464198 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT78,T80,T83
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT78,T80,T83
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT80,T83,T86
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT80,T83,T86

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_io_div2_meas_ctrl_shadowed_lo
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 37650258 36464198 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT79,T80,T81
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT79,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT79,T80,T81
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT83,T81,T84
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT83,T81,T84

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT79,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_hi
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 18824682 18231761 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT80,T81,T87
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT79,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT80,T81,T87
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT82,T84,T87
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT82,T84,T87

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT79,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_io_div4_meas_ctrl_shadowed_lo
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 18824682 18231761 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT79,T83,T82
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T79,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT79,T83,T82
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T79,T83
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T79,T83

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T79,T83

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_hi
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 85806994 80722448 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT79,T82,T86
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT79,T83,T82
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT79,T82,T86
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T79,T82
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T79,T82

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT79,T83,T82

Branch Coverage for Instance : tb.dut.u_reg.u_main_meas_ctrl_shadowed_lo
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 85806994 80722448 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT80,T81,T84
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT79,T80,T83
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT80,T81,T84
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T80,T81
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T80,T81

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT79,T80,T83

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_hi
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 41015274 38586508 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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.TotalCoveredPercent
TOTAL1616100.00
CONT_ASSIGN9411100.00
ALWAYS10066100.00
CONT_ASSIGN11311100.00
CONT_ASSIGN11400
CONT_ASSIGN13811100.00
CONT_ASSIGN13900
CONT_ASSIGN16011100.00
CONT_ASSIGN16100
CONT_ASSIGN18011100.00
CONT_ASSIGN18311100.00
CONT_ASSIGN18411100.00
CONT_ASSIGN18711100.00
CONT_ASSIGN18811100.00
CONT_ASSIGN18911100.00

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
TotalCoveredPercent
Conditions262596.15
Logical262596.15
Non-Logical00
Event00

 LINE       102
 EXPRESSION (wr_en && ((!err_storage)))
             --1--    --------2-------
-1--2-StatusTests
01CoveredT4,T5,T6
10CoveredT80,T84,T87
11CoveredT1,T2,T3

 LINE       104
 EXPRESSION (phase_clear || err_storage)
             -----1-----    -----2-----
-1--2-StatusTests
00CoveredT4,T5,T6
01CoveredT78,T79,T80
10CoveredT1,T3,T12

 LINE       113
 EXPRESSION (we & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101CoveredT1,T2,T3
110CoveredT80,T84,T87
111CoveredT1,T2,T3

 LINE       114
 EXPRESSION (de & ((~phase_q)) & ((~err_storage)))
             -1   ------2-----   --------3-------
-1--2--3-StatusTests
011CoveredT4,T5,T6
101Unreachable
110Unreachable
111Unreachable

 LINE       138
 EXPRESSION (we & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011CoveredT1,T2,T3
1101CoveredT78,T80,T81
1110Not Covered
1111CoveredT1,T2,T3

 LINE       139
 EXPRESSION (de & phase_q & ((~err_update)) & ((~err_storage)))
             -1   ---2---   -------3-------   --------4-------
-1--2--3--4-StatusTests
0111CoveredT1,T2,T3
1011Unreachable
1101Unreachable
1110Unreachable
1111Unreachable

 LINE       183
 EXPRESSION (((~staged_q) != wr_data) ? (phase_q & wr_en) : 1'b0)
             ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION ((~staged_q) != wr_data)
                ------------1-----------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT4,T5,T6

 LINE       183
 SUB-EXPRESSION (phase_q & wr_en)
                 ---1---   --2--
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT78,T80,T81

 LINE       184
 EXPRESSION ((~shadow_q) != committed_q)
            --------------1-------------
-1-StatusTests
0CoveredT4,T5,T6
1CoveredT78,T79,T80

Branch Coverage for Instance : tb.dut.u_reg.u_usb_meas_ctrl_shadowed_lo
Line No.TotalCoveredPercent
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-StatusTests
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-StatusTests
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
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 2 2 100.00 2 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 2 2 100.00 2 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
CheckSwAccessIsLegal_A 1010 1010 0 0
MubiIsNotYetSupported_A 41015274 38586508 0 0


CheckSwAccessIsLegal_A
NameAttemptsReal SuccessesFailuresIncomplete
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
NameAttemptsReal SuccessesFailuresIncomplete
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

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%