Simulation Results: otbn

 
03/09/2026 19:45:14 DVSim: v1.52.1 sha: 119f86a json Branch: master Tool: xcelium [24.03-s007]
Coverage statistics
  • Total
  • 91.42 %
  • code
  • 86.08 %
  • assert
  • 89.86 %
  • func
  • 98.31 %
  • block
  • 99.22 %
  • line
  • 99.44 %
  • branch
  • 94.34 %
  • toggle
  • 84.35 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
88.24%
V2S
92.00%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 2 2 100.00
otbn_smoke 12.000s 38.451us 1 1 100.00
otbn_smoke_vectorized 10.000s 34.619us 1 1 100.00
single_binary 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 5.000s 34.930us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 40.259us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 7.000s 89.925us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 8.000s 18.793us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 7.000s 57.164us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 40.259us 1 1 100.00
otbn_csr_aliasing 8.000s 18.793us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 107.000s 26842.856us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 65.000s 3052.816us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 38.000s 72.300us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 72.000s 668.179us 1 1 100.00
wfi 1 3 33.33
otbn_wfi_smoke 7.000s 32.560us 0 1 0.00
otbn_wfi_sec_wipe 9.000s 14.190us 1 1 100.00
otbn_wfi_back_to_back 7.000s 9.288us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 114.000s 264.860us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 97.000s 177.100us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 9.000s 17.093us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 7.000s 42.178us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 15.000s 33.011us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 8.000s 17.729us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 6.000s 27.630us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 9.000s 105.586us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 9.000s 105.586us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 5.000s 34.930us 1 1 100.00
otbn_csr_rw 4.000s 40.259us 1 1 100.00
otbn_csr_aliasing 8.000s 18.793us 1 1 100.00
otbn_same_csr_outstanding 5.000s 62.029us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 5.000s 34.930us 1 1 100.00
otbn_csr_rw 4.000s 40.259us 1 1 100.00
otbn_csr_aliasing 8.000s 18.793us 1 1 100.00
otbn_same_csr_outstanding 5.000s 62.029us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 15.000s 30.920us 1 1 100.00
otbn_dmem_err 11.000s 33.894us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 11.000s 73.252us 1 1 100.00
otbn_controller_ispr_rdata_err 11.000s 66.479us 1 1 100.00
otbn_mac_bignum_acc_err 13.000s 111.233us 1 1 100.00
otbn_urnd_err 8.000s 9.511us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 8.000s 91.832us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 8.000s 108.026us 1 1 100.00
otbn_non_sec_partial_wipe 0 1 0.00
otbn_partial_wipe 12.000s 28.161us 0 1 0.00
tl_intg_err 2 2 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
otbn_tl_intg_err 29.000s 226.570us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 70.000s 411.696us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 12.000s 38.451us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 11.000s 33.894us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 15.000s 30.920us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 29.000s 226.570us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 17.093us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 15.000s 30.920us 1 1 100.00
otbn_dmem_err 11.000s 33.894us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 42.178us 1 1 100.00
otbn_illegal_mem_acc 8.000s 91.832us 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 15.000s 30.920us 1 1 100.00
otbn_dmem_err 11.000s 33.894us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 42.178us 1 1 100.00
otbn_illegal_mem_acc 8.000s 91.832us 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 9.000s 17.093us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 15.000s 30.920us 1 1 100.00
otbn_dmem_err 11.000s 33.894us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 42.178us 1 1 100.00
otbn_illegal_mem_acc 8.000s 91.832us 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 10.000s 38.795us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 130.277us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 43.000s 112.076us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 43.000s 112.076us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 11.000s 61.120us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 14.000s 65.097us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 32.000s 276.427us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 32.000s 276.427us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 19.000s 213.677us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 114.000s 264.860us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 30.000s 118.262us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 21.000s 237.385us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 217.000s 1723.928us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 27.000s 173.548us 0 1 0.00

Error Messages

   Test seed line log context
UVM_FATAL (otbn_scoreboard.sv:440) [scoreboard] Check failed model_status == * (* [*] vs * [*]) Saw instruction when not in BUSY_EXECUTE operational state. 2 test runs
otbn_wfi_smoke 12438240842929277895199152648616273729740960921048487027571030127284425396891 111
UVM_INFO @ 32559550 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_wfi_back_to_back 37038696904062083663479739427167704568031579323741257268520424158357534094228 109
UVM_INFO @ 9287889 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL sequencer [SEQDEFPRI] Sequence parent_sequence has illegal priority: -* 1 test run
otbn_stress_all_with_rand_reset 24470433230920990531719170636985280855429878805243575974184186728605421371614 164
UVM_INFO @ 173548294 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_dv_otbn_sva_*/otbn_idle_checker.sv,196): Assertion NotRunningWhenLocked_A has failed 1 test run
otbn_urnd_err 99018822950442118437699152145124667881740890629546217899345550058362120736588 113
UVM_ERROR @ 9510832 ps: (otbn_idle_checker.sv:196) [ASSERT FAILED] NotRunningWhenLocked_A
UVM_INFO @ 9510832 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (otbn_scoreboard.sv:322) [scoreboard] Check failed item.d_data == exp_read_data.val (* [*] vs * [*]) value for register otbn_reg_block.status 1 test run
otbn_partial_wipe 7827180214147804594827611960920342414034217383825890944047229947233824447620 117
UVM_INFO @ 28161472 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---