Line Coverage for Module : edn_main_sm
Cond Coverage for Module : edn_main_sm
FSM Coverage for Module : edn_main_sm
State, Transition and Sequence Details for FSM :: state_q
Branch Coverage for Module : edn_main_sm
Branches:
Branches:
Branches:
Assert Coverage for Module : edn_main_sm
Assertion Details
ErrorStStable_A
FpvSecCmErrorStEscalate_A
u_state_regs_A
| Line No. | Total | Covered | Percent | |
|---|---|---|---|---|
| TOTAL | 108 | 108 | 100.00 | |
| ALWAYS | 42 | 3 | 3 | 100.00 |
| CONT_ASSIGN | 44 | 1 | 1 | 100.00 |
| ALWAYS | 47 | 104 | 104 | 100.00 |
4142 3/3 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Idle) Tests: T1 T2 T3 | T1 T2 T3 | T1 T2 T3
PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Idle): 42.1 `ifdef SIMULATION 42.2 prim_sparse_fsm_flop #( 42.3 .StateEnumT(state_e), 42.4 .Width($bits(state_e)), 42.5 .ResetValue($bits(state_e)'(Idle)), 42.6 .EnableAlertTriggerSVA(1), 42.7 .CustomForceName("state_q") 42.8 ) u_state_regs ( 42.9 .clk_i ( clk_i ), 42.10 .rst_ni ( rst_ni ), 42.11 .state_i ( state_d ), 42.12 .state_o ( ) 42.13 ); 42.14 always_ff @(posedge clk_i or negedge rst_ni) begin 42.15 1/1 if (!rst_ni) begin Tests: T1 T2 T3 42.16 1/1 state_q <= Idle; Tests: T1 T2 T3 42.17 end else begin 42.18 1/1 state_q <= state_d; Tests: T1 T2 T3 42.19 end 42.20 end 42.21 u_state_regs_A: assert property (@(posedge clk_i) disable iff ((!rst_ni) !== '0) (state_q === u_state_regs.state_o)) 42.22 else begin 42.23 `ifdef UVM 42.24 uvm_pkg::uvm_report_error("ASSERT FAILED", "u_state_regs_A", uvm_pkg::UVM_NONE, 42.25 "../src/lowrisc_ip_edn_0.1/rtl/edn_main_sm.sv", 42, "", 1); 42.26 `else 42.27 $error("%0t: (%0s:%0d) [%m] [ASSERT FAILED] %0s", $time, `__FILE__, `__LINE__, 42.28 `PRIM_STRINGIFY(u_state_regs_A)); 42.29 `endif 42.30 end 42.31 `else 42.32 prim_sparse_fsm_flop #( 42.33 .StateEnumT(state_e), 42.34 .Width($bits(state_e)), 42.35 .ResetValue($bits(state_e)'(Idle)), 42.36 .EnableAlertTriggerSVA(1) 42.37 ) u_state_regs ( 42.38 .clk_i ( `PRIM_FLOP_CLK ), 42.39 .rst_ni ( `PRIM_FLOP_RST ), 42.40 .state_i ( state_d ), 42.41 .state_o ( state_q ) 42.42 ); 42.43 `endif43 44 1/1 assign main_sm_state_o = state_q; Tests: T1 T2 T3 45 46 always_comb begin 47 1/1 state_d = state_q; Tests: T1 T2 T3 48 1/1 boot_wr_ins_cmd_o = 1'b0; Tests: T1 T2 T3 49 1/1 boot_send_ins_cmd_o = 1'b0; Tests: T1 T2 T3 50 1/1 boot_wr_gen_cmd_o = 1'b0; Tests: T1 T2 T3 51 1/1 boot_wr_uni_cmd_o = 1'b0; Tests: T1 T2 T3 52 1/1 accept_sw_cmds_pulse_o = 1'b0; Tests: T1 T2 T3 53 1/1 auto_req_mode_busy_o = 1'b0; Tests: T1 T2 T3 54 1/1 capt_gencmd_fifo_cnt_o = 1'b0; Tests: T1 T2 T3 55 1/1 send_gencmd_o = 1'b0; Tests: T1 T2 T3 56 1/1 capt_rescmd_fifo_cnt_o = 1'b0; Tests: T1 T2 T3 57 1/1 send_rescmd_o = 1'b0; Tests: T1 T2 T3 58 1/1 main_sm_done_pulse_o = 1'b0; Tests: T1 T2 T3 59 1/1 main_sm_err_o = 1'b0; Tests: T1 T2 T3 60 1/1 reject_csrng_entropy_o = 1'b0; Tests: T1 T2 T3 61 1/1 sw_cmd_mode_o = 1'b0; Tests: T1 T2 T3 62 1/1 unique case (state_q) Tests: T1 T2 T3 63 Idle: begin 64 1/1 if (boot_req_mode_i && edn_enable_i) begin Tests: T1 T2 T3 65 1/1 state_d = BootLoadIns; Tests: T1 T5 T24 66 1/1 end else if (auto_req_mode_i && edn_enable_i) begin Tests: T1 T2 T3 67 1/1 accept_sw_cmds_pulse_o = 1'b1; Tests: T2 T11 T12 68 1/1 sw_cmd_mode_o = 1'b1; Tests: T2 T11 T12 69 1/1 state_d = AutoLoadIns; Tests: T2 T11 T12 70 1/1 end else if (edn_enable_i) begin Tests: T1 T2 T3 71 1/1 main_sm_done_pulse_o = 1'b1; Tests: T3 T7 T4 72 1/1 accept_sw_cmds_pulse_o = 1'b1; Tests: T3 T7 T4 73 1/1 sw_cmd_mode_o = 1'b1; Tests: T3 T7 T4 74 1/1 state_d = SWPortMode; Tests: T3 T7 T4 75 end MISSING_ELSE 76 end 77 BootLoadIns: begin 78 1/1 boot_wr_ins_cmd_o = 1'b1; Tests: T1 T5 T24 79 1/1 boot_send_ins_cmd_o = 1'b1; Tests: T1 T5 T24 80 1/1 state_d = BootInsAckWait; Tests: T1 T5 T24 81 end 82 BootInsAckWait: begin 83 1/1 boot_send_ins_cmd_o = 1'b1; Tests: T1 T5 T24 84 1/1 if (csrng_cmd_ack_i) begin Tests: T1 T5 T24 85 1/1 state_d = BootLoadGen; Tests: T1 T5 T24 86 end MISSING_ELSE 87 end 88 BootLoadGen: begin 89 1/1 boot_wr_gen_cmd_o = 1'b1; Tests: T1 T5 T24 90 1/1 state_d = BootGenAckWait; Tests: T1 T5 T24 91 end 92 BootGenAckWait: begin 93 1/1 if (csrng_cmd_ack_i) begin Tests: T1 T5 T24 94 1/1 state_d = BootPulse; Tests: T1 T5 T24 95 end MISSING_ELSE 96 end 97 BootPulse: begin 98 1/1 state_d = BootDone; Tests: T1 T5 T24 99 end 100 BootDone: begin 101 1/1 if (!boot_req_mode_i) begin Tests: T1 T5 T24 102 1/1 state_d = BootLoadUni; Tests: T24 T45 T113 103 end MISSING_ELSE 104 end 105 BootLoadUni: begin 106 1/1 boot_wr_uni_cmd_o = 1'b1; Tests: T24 T45 T113 107 1/1 state_d = BootUniAckWait; Tests: T24 T45 T113 108 end 109 BootUniAckWait: begin 110 1/1 if (csrng_cmd_ack_i) begin Tests: T24 T45 T113 111 1/1 main_sm_done_pulse_o = 1'b1; Tests: T45 T113 T46 112 1/1 state_d = Idle; Tests: T45 T113 T46 113 end MISSING_ELSE 114 end 115 //----------------------------------- 116 AutoLoadIns: begin 117 1/1 sw_cmd_mode_o = 1'b1; Tests: T2 T11 T12 118 1/1 if (sw_cmd_req_load_i) begin Tests: T2 T11 T12 119 1/1 state_d = AutoFirstAckWait; Tests: T2 T11 T12 120 end MISSING_ELSE 121 end 122 AutoFirstAckWait: begin 123 1/1 sw_cmd_mode_o = 1'b1; Tests: T2 T11 T12 124 1/1 if (csrng_cmd_ack_i) begin Tests: T2 T11 T12 125 1/1 state_d = AutoDispatch; Tests: T2 T11 T12 126 end MISSING_ELSE 127 end 128 AutoAckWait: begin 129 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 130 1/1 if (csrng_cmd_ack_i) begin Tests: T2 T11 T12 131 1/1 state_d = AutoDispatch; Tests: T2 T11 T12 132 end MISSING_ELSE 133 end 134 AutoDispatch: begin 135 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 136 1/1 if (!auto_req_mode_i) begin Tests: T2 T11 T12 137 1/1 main_sm_done_pulse_o = 1'b1; Tests: T21 T13 T23 138 1/1 state_d = Idle; Tests: T21 T13 T23 139 end else begin 140 1/1 if (max_reqs_cnt_zero_i) begin Tests: T2 T11 T12 141 1/1 state_d = AutoCaptReseedCnt; Tests: T2 T11 T12 142 end else begin 143 1/1 state_d = AutoCaptGenCnt; Tests: T2 T11 T12 144 end 145 end 146 end 147 AutoCaptGenCnt: begin 148 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 149 1/1 capt_gencmd_fifo_cnt_o = 1'b1; Tests: T2 T11 T12 150 1/1 state_d = AutoSendGenCmd; Tests: T2 T11 T12 151 end 152 AutoSendGenCmd: begin 153 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 154 1/1 send_gencmd_o = 1'b1; Tests: T2 T11 T12 155 1/1 if (cmd_sent_i) begin Tests: T2 T11 T12 156 1/1 state_d = AutoAckWait; Tests: T2 T11 T12 157 end MISSING_ELSE 158 end 159 AutoCaptReseedCnt: begin 160 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 161 1/1 capt_rescmd_fifo_cnt_o = 1'b1; Tests: T2 T11 T12 162 1/1 state_d = AutoSendReseedCmd; Tests: T2 T11 T12 163 end 164 AutoSendReseedCmd: begin 165 1/1 auto_req_mode_busy_o = 1'b1; Tests: T2 T11 T12 166 1/1 send_rescmd_o = 1'b1; Tests: T2 T11 T12 167 1/1 if (cmd_sent_i) begin Tests: T2 T11 T12 168 1/1 state_d = AutoAckWait; Tests: T2 T11 T12 169 end MISSING_ELSE 170 end 171 SWPortMode: begin 172 1/1 sw_cmd_mode_o = 1'b1; Tests: T3 T7 T4 173 end 174 RejectCsrngEntropy: begin 175 1/1 reject_csrng_entropy_o = 1'b1; Tests: T24 T28 T29 176 end 177 Error: begin 178 1/1 main_sm_err_o = 1'b1; Tests: T5 T16 T31 179 end 180 default: begin 181 state_d = Error; 182 main_sm_err_o = 1'b1; 183 end 184 endcase 185 186 1/1 if (local_escalate_i || csrng_ack_err_i) begin Tests: T1 T2 T3 187 // Either move into RejectCsrngEntropy or Error but don't move out of Error as it's terminal. 188 1/1 state_d = local_escalate_i ? Error : Tests: T5 T24 T16 189 state_q == Error ? Error : RejectCsrngEntropy; 190 // Tie off outputs, except for main_sm_err_o, auto_req_mode_busy_o, boot_send_ins_cmd_o, 191 // sw_cmd_mode_o and reject_csrng_entropy_o. 192 1/1 boot_wr_ins_cmd_o = 1'b0; Tests: T5 T24 T16 193 1/1 boot_wr_gen_cmd_o = 1'b0; Tests: T5 T24 T16 194 1/1 boot_wr_uni_cmd_o = 1'b0; Tests: T5 T24 T16 195 1/1 accept_sw_cmds_pulse_o = 1'b0; Tests: T5 T24 T16 196 1/1 capt_gencmd_fifo_cnt_o = 1'b0; Tests: T5 T24 T16 197 1/1 send_gencmd_o = 1'b0; Tests: T5 T24 T16 198 1/1 capt_rescmd_fifo_cnt_o = 1'b0; Tests: T5 T24 T16 199 1/1 send_rescmd_o = 1'b0; Tests: T5 T24 T16 200 1/1 main_sm_done_pulse_o = 1'b0; Tests: T5 T24 T16 201 1/1 end else if (!edn_enable_i && state_q inside {BootLoadIns, BootInsAckWait, BootLoadGen, Tests: T1 T2 T3 202 BootGenAckWait, BootLoadUni, BootUniAckWait, 203 BootPulse, BootDone, 204 AutoLoadIns, AutoFirstAckWait, AutoAckWait, 205 AutoDispatch, AutoCaptGenCnt, AutoSendGenCmd, 206 AutoCaptReseedCnt, AutoSendReseedCmd, 207 SWPortMode, RejectCsrngEntropy 208 }) begin 209 // Only go to idle if the state is legal and not Idle or Error. 210 // Even when disabled, illegal states must result in a transition to Error. 211 1/1 state_d = Idle; Tests: T2 T4 T5 212 // Tie off outputs, except for main_sm_err_o. 213 1/1 boot_wr_ins_cmd_o = 1'b0; Tests: T2 T4 T5 214 1/1 boot_send_ins_cmd_o = 1'b0; Tests: T2 T4 T5 215 1/1 boot_wr_gen_cmd_o = 1'b0; Tests: T2 T4 T5 216 1/1 boot_wr_uni_cmd_o = 1'b0; Tests: T2 T4 T5 217 1/1 accept_sw_cmds_pulse_o = 1'b0; Tests: T2 T4 T5 218 1/1 auto_req_mode_busy_o = 1'b0; Tests: T2 T4 T5 219 1/1 capt_gencmd_fifo_cnt_o = 1'b0; Tests: T2 T4 T5 220 1/1 send_gencmd_o = 1'b0; Tests: T2 T4 T5 221 1/1 capt_rescmd_fifo_cnt_o = 1'b0; Tests: T2 T4 T5 222 1/1 send_rescmd_o = 1'b0; Tests: T2 T4 T5 223 1/1 sw_cmd_mode_o = 1'b0; Tests: T2 T4 T5 224 1/1 reject_csrng_entropy_o = 1'b0; Tests: T2 T4 T5 225 1/1 main_sm_done_pulse_o = 1'b1; Tests: T2 T4 T5 226 end MISSING_ELSE
Cond Coverage for Module : edn_main_sm
| Total | Covered | Percent | |
|---|---|---|---|
| Conditions | 18 | 17 | 94.44 |
| Logical | 18 | 17 | 94.44 |
| Non-Logical | 0 | 0 | |
| Event | 0 | 0 |
LINE 64
EXPRESSION (boot_req_mode_i && edn_enable_i)
-------1------- ------2-----
| -1- | -2- | Status | Tests |
|---|---|---|---|
| 0 | 1 | Covered | T2,T3,T7 |
| 1 | 0 | Covered | T5,T31,T57 |
| 1 | 1 | Covered | T1,T5,T24 |
LINE 66
EXPRESSION (auto_req_mode_i && edn_enable_i)
-------1------- ------2-----
| -1- | -2- | Status | Tests |
|---|---|---|---|
| 0 | 1 | Covered | T3,T7,T4 |
| 1 | 0 | Covered | T2,T11,T12 |
| 1 | 1 | Covered | T2,T11,T12 |
LINE 186
EXPRESSION (local_escalate_i || csrng_ack_err_i)
--------1------- -------2-------
| -1- | -2- | Status | Tests |
|---|---|---|---|
| 0 | 0 | Covered | T1,T2,T3 |
| 0 | 1 | Covered | T24,T28,T29 |
| 1 | 0 | Covered | T5,T16,T31 |
LINE 188
EXPRESSION (local_escalate_i ? Error : ((state_q == Error) ? Error : RejectCsrngEntropy))
--------1-------
| -1- | Status | Tests |
|---|---|---|
| 0 | Covered | T24,T28,T29 |
| 1 | Covered | T5,T16,T31 |
LINE 188
SUB-EXPRESSION ((state_q == Error) ? Error : RejectCsrngEntropy)
---------1--------
| -1- | Status | Tests |
|---|---|---|
| 0 | Covered | T24,T28,T29 |
| 1 | Not Covered |
LINE 188
SUB-EXPRESSION (state_q == Error)
---------1--------
| -1- | Status | Tests |
|---|---|---|
| 0 | Covered | T5,T24,T16 |
| 1 | Covered | T5,T16,T31 |
LINE 201
EXPRESSION
Number Term
1 ((!edn_enable_i)) &&
2 (state_q inside {BootLoadIns, BootInsAckWait, BootLoadGen, BootGenAckWait, BootLoadUni, BootUniAckWait, BootPulse, BootDone, AutoLoadIns, AutoFirstAckWait, AutoAckWait, AutoDispatch, AutoCaptGenCnt, AutoSendGenCmd, AutoCaptReseedCnt, AutoSendReseedCmd, SWPortMode, RejectCsrngEntropy}))
| -1- | -2- | Status | Tests |
|---|---|---|---|
| 0 | 1 | Covered | T1,T2,T3 |
| 1 | 0 | Covered | T1,T2,T3 |
| 1 | 1 | Covered | T2,T4,T5 |
FSM Coverage for Module : edn_main_sm
| Total | Covered | Percent | ||
|---|---|---|---|---|
| States | 20 | 20 | 100.00 | (Not included in score) |
| Transitions | 74 | 73 | 98.65 | |
| Sequences | 0 | 0 |
State, Transition and Sequence Details for FSM :: state_q
| states | Line No. | Covered | Tests |
| AutoAckWait | 156 | Covered | T2,T11,T12 |
| AutoCaptGenCnt | 143 | Covered | T2,T11,T12 |
| AutoCaptReseedCnt | 141 | Covered | T2,T11,T12 |
| AutoDispatch | 125 | Covered | T2,T11,T12 |
| AutoFirstAckWait | 119 | Covered | T2,T11,T12 |
| AutoLoadIns | 69 | Covered | T2,T11,T12 |
| AutoSendGenCmd | 150 | Covered | T2,T11,T12 |
| AutoSendReseedCmd | 162 | Covered | T2,T11,T12 |
| BootDone | 98 | Covered | T1,T5,T24 |
| BootGenAckWait | 90 | Covered | T1,T5,T24 |
| BootInsAckWait | 80 | Covered | T1,T5,T24 |
| BootLoadGen | 85 | Covered | T1,T5,T24 |
| BootLoadIns | 65 | Covered | T1,T5,T24 |
| BootLoadUni | 102 | Covered | T24,T45,T113 |
| BootPulse | 94 | Covered | T1,T5,T24 |
| BootUniAckWait | 107 | Covered | T24,T45,T113 |
| Error | 188 | Covered | T5,T16,T31 |
| Idle | 112 | Covered | T1,T2,T3 |
| RejectCsrngEntropy | 188 | Covered | T24,T28,T29 |
| SWPortMode | 74 | Covered | T3,T7,T4 |
| transitions | Line No. | Covered | Tests |
| AutoAckWait->AutoDispatch | 131 | Covered | T2,T11,T12 |
| AutoAckWait->Error | 188 | Covered | T136 |
| AutoAckWait->Idle | 211 | Covered | T2,T11,T12 |
| AutoAckWait->RejectCsrngEntropy | 188 | Covered | T93,T137,T138 |
| AutoCaptGenCnt->AutoSendGenCmd | 150 | Covered | T2,T11,T12 |
| AutoCaptGenCnt->Error | 188 | Covered | T10,T139,T140 |
| AutoCaptGenCnt->Idle | 211 | Covered | T141,T142,T143 |
| AutoCaptGenCnt->RejectCsrngEntropy | 188 | Covered | T144,T145,T146 |
| AutoCaptReseedCnt->AutoSendReseedCmd | 162 | Covered | T2,T11,T12 |
| AutoCaptReseedCnt->Error | 188 | Covered | T8,T147,T148 |
| AutoCaptReseedCnt->Idle | 211 | Covered | T149,T150,T151 |
| AutoCaptReseedCnt->RejectCsrngEntropy | 188 | Covered | T152,T153,T154 |
| AutoDispatch->AutoCaptGenCnt | 143 | Covered | T2,T11,T12 |
| AutoDispatch->AutoCaptReseedCnt | 141 | Covered | T2,T11,T12 |
| AutoDispatch->Error | 188 | Covered | T155 |
| AutoDispatch->Idle | 138 | Covered | T12,T47,T21 |
| AutoDispatch->RejectCsrngEntropy | 188 | Covered | T156,T157,T158 |
| AutoFirstAckWait->AutoDispatch | 125 | Covered | T2,T11,T12 |
| AutoFirstAckWait->Error | 188 | Covered | T159,T160,T161 |
| AutoFirstAckWait->Idle | 211 | Covered | T82,T114,T123 |
| AutoFirstAckWait->RejectCsrngEntropy | 188 | Covered | T29,T127,T96 |
| AutoLoadIns->AutoFirstAckWait | 119 | Covered | T2,T11,T12 |
| AutoLoadIns->Error | 188 | Covered | T9,T162,T163 |
| AutoLoadIns->Idle | 211 | Covered | T11,T8,T100 |
| AutoLoadIns->RejectCsrngEntropy | 188 | Covered | T76,T164,T165 |
| AutoSendGenCmd->AutoAckWait | 156 | Covered | T2,T11,T12 |
| AutoSendGenCmd->Error | 188 | Covered | T129,T166,T167 |
| AutoSendGenCmd->Idle | 211 | Covered | T2,T86,T168 |
| AutoSendGenCmd->RejectCsrngEntropy | 188 | Covered | T169,T170,T171 |
| AutoSendReseedCmd->AutoAckWait | 168 | Covered | T2,T11,T12 |
| AutoSendReseedCmd->Error | 188 | Covered | T172,T173,T174 |
| AutoSendReseedCmd->Idle | 211 | Covered | T98,T92,T175 |
| AutoSendReseedCmd->RejectCsrngEntropy | 188 | Covered | T126,T176,T177 |
| BootDone->BootLoadUni | 102 | Covered | T24,T45,T113 |
| BootDone->Error | 188 | Covered | T178 |
| BootDone->Idle | 211 | Covered | T52,T94,T179 |
| BootDone->RejectCsrngEntropy | 188 | Covered | T28,T180,T181 |
| BootGenAckWait->BootPulse | 94 | Covered | T1,T5,T24 |
| BootGenAckWait->Error | 188 | Covered | T182,T183,T184 |
| BootGenAckWait->Idle | 211 | Covered | T57,T66,T48 |
| BootGenAckWait->RejectCsrngEntropy | 188 | Covered | T100,T185,T186 |
| BootInsAckWait->BootLoadGen | 85 | Covered | T1,T5,T24 |
| BootInsAckWait->Error | 188 | Covered | T66,T187,T188 |
| BootInsAckWait->Idle | 211 | Covered | T5,T31,T189 |
| BootInsAckWait->RejectCsrngEntropy | 188 | Covered | T24,T83,T79 |
| BootLoadGen->BootGenAckWait | 90 | Covered | T1,T5,T24 |
| BootLoadGen->Error | 188 | Covered | T190,T191,T192 |
| BootLoadGen->Idle | 211 | Covered | T54,T55,T193 |
| BootLoadGen->RejectCsrngEntropy | 188 | Covered | T194,T195,T196 |
| BootLoadIns->BootInsAckWait | 80 | Covered | T1,T5,T24 |
| BootLoadIns->Error | 188 | Covered | T5,T197,T198 |
| BootLoadIns->Idle | 211 | Covered | T42,T199 |
| BootLoadIns->RejectCsrngEntropy | 188 | Covered | T200,T201,T202 |
| BootLoadUni->BootUniAckWait | 107 | Covered | T24,T45,T113 |
| BootLoadUni->Error | 188 | Covered | T110,T203 |
| BootLoadUni->Idle | 211 | Not Covered | |
| BootLoadUni->RejectCsrngEntropy | 188 | Covered | T128,T204,T205 |
| BootPulse->BootDone | 98 | Covered | T1,T5,T24 |
| BootPulse->Error | 188 | Covered | T206 |
| BootPulse->Idle | 211 | Covered | T207,T208,T209 |
| BootPulse->RejectCsrngEntropy | 188 | Covered | T81,T210,T211 |
| BootUniAckWait->Error | 188 | Covered | T212,T213,T214 |
| BootUniAckWait->Idle | 112 | Covered | T24,T45,T113 |
| BootUniAckWait->RejectCsrngEntropy | 188 | Covered | T117,T215,T216 |
| Idle->AutoLoadIns | 69 | Covered | T2,T11,T12 |
| Idle->BootLoadIns | 65 | Covered | T1,T5,T24 |
| Idle->Error | 188 | Covered | T16,T18,T19 |
| Idle->RejectCsrngEntropy | 188 | Covered | T28,T76,T126 |
| Idle->SWPortMode | 74 | Covered | T3,T7,T4 |
| RejectCsrngEntropy->Error | 188 | Covered | T217,T218,T219 |
| RejectCsrngEntropy->Idle | 211 | Covered | T24,T28,T29 |
| SWPortMode->Error | 188 | Covered | T16,T72,T17 |
| SWPortMode->Idle | 211 | Covered | T4,T6,T28 |
| SWPortMode->RejectCsrngEntropy | 188 | Covered | T24,T29,T100 |
Branch Coverage for Module : edn_main_sm
| Line No. | Total | Covered | Percent | |
|---|---|---|---|---|
| Branches | 42 | 41 | 97.62 | |
| IF | 42 | 2 | 2 | 100.00 |
| CASE | 62 | 35 | 35 | 100.00 |
| IF | 186 | 5 | 4 | 80.00 |
42 `PRIM_FLOP_SPARSE_FSM(u_state_regs, state_d, state_q, state_e, Idle) -1- ==> ==>
Branches:
| -1- | Status | Tests |
|---|---|---|
| 1 | Covered | T1,T2,T3 |
| 0 | Covered | T1,T2,T3 |
62 unique case (state_q) -1- 63 Idle: begin 64 if (boot_req_mode_i && edn_enable_i) begin -2- 65 state_d = BootLoadIns; ==> 66 end else if (auto_req_mode_i && edn_enable_i) begin -3- 67 accept_sw_cmds_pulse_o = 1'b1; ==> 68 sw_cmd_mode_o = 1'b1; 69 state_d = AutoLoadIns; 70 end else if (edn_enable_i) begin -4- 71 main_sm_done_pulse_o = 1'b1; ==> 72 accept_sw_cmds_pulse_o = 1'b1; 73 sw_cmd_mode_o = 1'b1; 74 state_d = SWPortMode; 75 end MISSING_ELSE ==> 76 end 77 BootLoadIns: begin 78 boot_wr_ins_cmd_o = 1'b1; ==> 79 boot_send_ins_cmd_o = 1'b1; 80 state_d = BootInsAckWait; 81 end 82 BootInsAckWait: begin 83 boot_send_ins_cmd_o = 1'b1; 84 if (csrng_cmd_ack_i) begin -5- 85 state_d = BootLoadGen; ==> 86 end MISSING_ELSE ==> 87 end 88 BootLoadGen: begin 89 boot_wr_gen_cmd_o = 1'b1; ==> 90 state_d = BootGenAckWait; 91 end 92 BootGenAckWait: begin 93 if (csrng_cmd_ack_i) begin -6- 94 state_d = BootPulse; ==> 95 end MISSING_ELSE ==> 96 end 97 BootPulse: begin 98 state_d = BootDone; ==> 99 end 100 BootDone: begin 101 if (!boot_req_mode_i) begin -7- 102 state_d = BootLoadUni; ==> 103 end MISSING_ELSE ==> 104 end 105 BootLoadUni: begin 106 boot_wr_uni_cmd_o = 1'b1; ==> 107 state_d = BootUniAckWait; 108 end 109 BootUniAckWait: begin 110 if (csrng_cmd_ack_i) begin -8- 111 main_sm_done_pulse_o = 1'b1; ==> 112 state_d = Idle; 113 end MISSING_ELSE ==> 114 end 115 //----------------------------------- 116 AutoLoadIns: begin 117 sw_cmd_mode_o = 1'b1; 118 if (sw_cmd_req_load_i) begin -9- 119 state_d = AutoFirstAckWait; ==> 120 end MISSING_ELSE ==> 121 end 122 AutoFirstAckWait: begin 123 sw_cmd_mode_o = 1'b1; 124 if (csrng_cmd_ack_i) begin -10- 125 state_d = AutoDispatch; ==> 126 end MISSING_ELSE ==> 127 end 128 AutoAckWait: begin 129 auto_req_mode_busy_o = 1'b1; 130 if (csrng_cmd_ack_i) begin -11- 131 state_d = AutoDispatch; ==> 132 end MISSING_ELSE ==> 133 end 134 AutoDispatch: begin 135 auto_req_mode_busy_o = 1'b1; 136 if (!auto_req_mode_i) begin -12- 137 main_sm_done_pulse_o = 1'b1; ==> 138 state_d = Idle; 139 end else begin 140 if (max_reqs_cnt_zero_i) begin -13- 141 state_d = AutoCaptReseedCnt; ==> 142 end else begin 143 state_d = AutoCaptGenCnt; ==> 144 end 145 end 146 end 147 AutoCaptGenCnt: begin 148 auto_req_mode_busy_o = 1'b1; ==> 149 capt_gencmd_fifo_cnt_o = 1'b1; 150 state_d = AutoSendGenCmd; 151 end 152 AutoSendGenCmd: begin 153 auto_req_mode_busy_o = 1'b1; 154 send_gencmd_o = 1'b1; 155 if (cmd_sent_i) begin -14- 156 state_d = AutoAckWait; ==> 157 end MISSING_ELSE ==> 158 end 159 AutoCaptReseedCnt: begin 160 auto_req_mode_busy_o = 1'b1; ==> 161 capt_rescmd_fifo_cnt_o = 1'b1; 162 state_d = AutoSendReseedCmd; 163 end 164 AutoSendReseedCmd: begin 165 auto_req_mode_busy_o = 1'b1; 166 send_rescmd_o = 1'b1; 167 if (cmd_sent_i) begin -15- 168 state_d = AutoAckWait; ==> 169 end MISSING_ELSE ==> 170 end 171 SWPortMode: begin 172 sw_cmd_mode_o = 1'b1; ==> 173 end 174 RejectCsrngEntropy: begin 175 reject_csrng_entropy_o = 1'b1; ==> 176 end 177 Error: begin 178 main_sm_err_o = 1'b1; ==> 179 end 180 default: begin 181 state_d = Error; ==>
Branches:
| -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | Status | Tests |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Idle | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| Idle | 0 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T2,T11,T12 |
| Idle | 0 | 0 | 1 | - | - | - | - | - | - | - | - | - | - | - | Covered | T3,T7,T4 |
| Idle | 0 | 0 | 0 | - | - | - | - | - | - | - | - | - | - | - | Covered | T1,T2,T3 |
| BootLoadIns | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootInsAckWait | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootInsAckWait | - | - | - | 0 | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootLoadGen | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootGenAckWait | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootGenAckWait | - | - | - | - | 0 | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootPulse | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootDone | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | Covered | T24,T45,T113 |
| BootDone | - | - | - | - | - | 0 | - | - | - | - | - | - | - | - | Covered | T1,T5,T24 |
| BootLoadUni | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T24,T45,T113 |
| BootUniAckWait | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | Covered | T45,T113,T46 |
| BootUniAckWait | - | - | - | - | - | - | 0 | - | - | - | - | - | - | - | Covered | T24,T45,T113 |
| AutoLoadIns | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoLoadIns | - | - | - | - | - | - | - | 0 | - | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoFirstAckWait | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoFirstAckWait | - | - | - | - | - | - | - | - | 0 | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoAckWait | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | Covered | T2,T11,T12 |
| AutoAckWait | - | - | - | - | - | - | - | - | - | 0 | - | - | - | - | Covered | T2,T11,T12 |
| AutoDispatch | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | Covered | T21,T13,T23 |
| AutoDispatch | - | - | - | - | - | - | - | - | - | - | 0 | 1 | - | - | Covered | T2,T11,T12 |
| AutoDispatch | - | - | - | - | - | - | - | - | - | - | 0 | 0 | - | - | Covered | T2,T11,T12 |
| AutoCaptGenCnt | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoSendGenCmd | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | Covered | T2,T11,T12 |
| AutoSendGenCmd | - | - | - | - | - | - | - | - | - | - | - | - | 0 | - | Covered | T2,T11,T12 |
| AutoCaptReseedCnt | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T2,T11,T12 |
| AutoSendReseedCmd | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | Covered | T2,T11,T12 |
| AutoSendReseedCmd | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 | Covered | T2,T11,T12 |
| SWPortMode | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T3,T7,T4 |
| RejectCsrngEntropy | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T24,T28,T29 |
| Error | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T5,T16,T31 |
| default | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Covered | T16,T31,T58 |
186 if (local_escalate_i || csrng_ack_err_i) begin -1- 187 // Either move into RejectCsrngEntropy or Error but don't move out of Error as it's terminal. 188 state_d = local_escalate_i ? Error : -2- ==> 189 state_q == Error ? Error : RejectCsrngEntropy; -3- ==> ==> 190 // Tie off outputs, except for main_sm_err_o, auto_req_mode_busy_o, boot_send_ins_cmd_o, 191 // sw_cmd_mode_o and reject_csrng_entropy_o. 192 boot_wr_ins_cmd_o = 1'b0; 193 boot_wr_gen_cmd_o = 1'b0; 194 boot_wr_uni_cmd_o = 1'b0; 195 accept_sw_cmds_pulse_o = 1'b0; 196 capt_gencmd_fifo_cnt_o = 1'b0; 197 send_gencmd_o = 1'b0; 198 capt_rescmd_fifo_cnt_o = 1'b0; 199 send_rescmd_o = 1'b0; 200 main_sm_done_pulse_o = 1'b0; 201 end else if (!edn_enable_i && state_q inside {BootLoadIns, BootInsAckWait, BootLoadGen, -4- 202 BootGenAckWait, BootLoadUni, BootUniAckWait, 203 BootPulse, BootDone, 204 AutoLoadIns, AutoFirstAckWait, AutoAckWait, 205 AutoDispatch, AutoCaptGenCnt, AutoSendGenCmd, 206 AutoCaptReseedCnt, AutoSendReseedCmd, 207 SWPortMode, RejectCsrngEntropy 208 }) begin 209 // Only go to idle if the state is legal and not Idle or Error. 210 // Even when disabled, illegal states must result in a transition to Error. 211 state_d = Idle; ==> 212 // Tie off outputs, except for main_sm_err_o. 213 boot_wr_ins_cmd_o = 1'b0; 214 boot_send_ins_cmd_o = 1'b0; 215 boot_wr_gen_cmd_o = 1'b0; 216 boot_wr_uni_cmd_o = 1'b0; 217 accept_sw_cmds_pulse_o = 1'b0; 218 auto_req_mode_busy_o = 1'b0; 219 capt_gencmd_fifo_cnt_o = 1'b0; 220 send_gencmd_o = 1'b0; 221 capt_rescmd_fifo_cnt_o = 1'b0; 222 send_rescmd_o = 1'b0; 223 sw_cmd_mode_o = 1'b0; 224 reject_csrng_entropy_o = 1'b0; 225 main_sm_done_pulse_o = 1'b1; 226 end MISSING_ELSE ==>
Branches:
| -1- | -2- | -3- | -4- | Status | Tests |
|---|---|---|---|---|---|
| 1 | 1 | - | - | Covered | T5,T16,T31 |
| 1 | 0 | 1 | - | Not Covered | |
| 1 | 0 | 0 | - | Covered | T24,T28,T29 |
| 0 | - | - | 1 | Covered | T2,T4,T5 |
| 0 | - | - | 0 | Covered | T1,T2,T3 |
Assert Coverage for Module : edn_main_sm
| Total | Attempted | Percent | Succeeded/Matched | Percent | |
|---|---|---|---|---|---|
| Assertions | 3 | 3 | 100.00 | 3 | 100.00 |
| Cover properties | 0 | 0 | 0 | ||
| Cover sequences | 0 | 0 | 0 | ||
| Total | 3 | 3 | 100.00 | 3 | 100.00 |
Assertion Details
| Name | Attempts | Real Successes | Failures | Incomplete |
| ErrorStStable_A | 12059788 | 135689 | 0 | 0 |
| FpvSecCmErrorStEscalate_A | 12059788 | 136600 | 0 | 0 |
| u_state_regs_A | 12027025 | 11860401 | 0 | 0 |
ErrorStStable_A
| Name | Attempts | Real Successes | Failures | Incomplete |
|---|---|---|---|---|
| Total | 12059788 | 135689 | 0 | 0 |
| T5 | 1395 | 795 | 0 | 0 |
| T6 | 19197 | 0 | 0 | 0 |
| T8 | 0 | 307 | 0 | 0 |
| T11 | 2689 | 0 | 0 | 0 |
| T16 | 24304 | 9079 | 0 | 0 |
| T17 | 0 | 1101 | 0 | 0 |
| T24 | 2455 | 0 | 0 | 0 |
| T25 | 1368 | 0 | 0 | 0 |
| T26 | 1237 | 0 | 0 | 0 |
| T31 | 2947 | 1080 | 0 | 0 |
| T38 | 1013 | 0 | 0 | 0 |
| T58 | 0 | 1076 | 0 | 0 |
| T60 | 1144 | 0 | 0 | 0 |
| T63 | 0 | 348 | 0 | 0 |
| T64 | 0 | 1138 | 0 | 0 |
| T72 | 0 | 338 | 0 | 0 |
| T220 | 0 | 1018 | 0 | 0 |
FpvSecCmErrorStEscalate_A
| Name | Attempts | Real Successes | Failures | Incomplete |
|---|---|---|---|---|
| Total | 12059788 | 136600 | 0 | 0 |
| T5 | 1395 | 796 | 0 | 0 |
| T6 | 19197 | 0 | 0 | 0 |
| T8 | 0 | 308 | 0 | 0 |
| T11 | 2689 | 0 | 0 | 0 |
| T16 | 24304 | 9209 | 0 | 0 |
| T17 | 0 | 1102 | 0 | 0 |
| T24 | 2455 | 0 | 0 | 0 |
| T25 | 1368 | 0 | 0 | 0 |
| T26 | 1237 | 0 | 0 | 0 |
| T31 | 2947 | 1081 | 0 | 0 |
| T38 | 1013 | 0 | 0 | 0 |
| T58 | 0 | 1077 | 0 | 0 |
| T60 | 1144 | 0 | 0 | 0 |
| T63 | 0 | 349 | 0 | 0 |
| T64 | 0 | 1139 | 0 | 0 |
| T72 | 0 | 339 | 0 | 0 |
| T220 | 0 | 1019 | 0 | 0 |
u_state_regs_A
| Name | Attempts | Real Successes | Failures | Incomplete |
|---|---|---|---|---|
| Total | 12027025 | 11860401 | 0 | 0 |
| T1 | 1249 | 1193 | 0 | 0 |
| T2 | 5243 | 5162 | 0 | 0 |
| T3 | 1641 | 1578 | 0 | 0 |
| T4 | 1896 | 1776 | 0 | 0 |
| T5 | 1217 | 1075 | 0 | 0 |
| T6 | 19197 | 18558 | 0 | 0 |
| T7 | 1924 | 1869 | 0 | 0 |
| T16 | 24304 | 13552 | 0 | 0 |
| T24 | 2455 | 2375 | 0 | 0 |
| T25 | 1368 | 1294 | 0 | 0 |