Simulation Results: otbn

 
10/12/2025 17:25:01 sha: 94ad61f json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 91.96 %
  • code
  • 94.22 %
  • assert
  • 87.23 %
  • func
  • 94.44 %
  • block
  • 99.44 %
  • line
  • 99.55 %
  • branch
  • 93.26 %
  • toggle
  • 91.74 %
  • FSM
  • 92.31 %
Validation stages
V1
100.00%
V2
100.00%
V2S
77.42%
V3
0.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 13.000s 97.370us 1 1 100.00
single_binary 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 3.000s 45.042us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 3.000s 75.310us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 4.000s 198.855us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 3.000s 21.293us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 71.691us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 3.000s 75.310us 1 1 100.00
otbn_csr_aliasing 3.000s 21.293us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 18.000s 5947.077us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 12.000s 1521.174us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 15.000s 210.095us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 41.000s 579.122us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 192.000s 831.647us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 19.000s 418.859us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 6.000s 23.966us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 44.230us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 7.000s 17.057us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 14.362us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 5.000s 20.907us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 4.000s 28.563us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 4.000s 28.563us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 3.000s 45.042us 1 1 100.00
otbn_csr_rw 3.000s 75.310us 1 1 100.00
otbn_csr_aliasing 3.000s 21.293us 1 1 100.00
otbn_same_csr_outstanding 5.000s 21.129us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 3.000s 45.042us 1 1 100.00
otbn_csr_rw 3.000s 75.310us 1 1 100.00
otbn_csr_aliasing 3.000s 21.293us 1 1 100.00
otbn_same_csr_outstanding 5.000s 21.129us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 9.000s 110.609us 1 1 100.00
otbn_dmem_err 7.000s 60.408us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 7.000s 110.942us 1 1 100.00
otbn_controller_ispr_rdata_err 7.000s 56.647us 1 1 100.00
otbn_mac_bignum_acc_err 6.000s 112.225us 1 1 100.00
otbn_urnd_err 5.000s 26.303us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 5.000s 52.031us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 7.000s 25.507us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 5.000s 45.590us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
otbn_tl_intg_err 14.000s 107.254us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 16.000s 129.825us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 13.000s 97.370us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 7.000s 60.408us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 9.000s 110.609us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 14.000s 107.254us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 6.000s 23.966us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 110.609us 1 1 100.00
otbn_dmem_err 7.000s 60.408us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 44.230us 1 1 100.00
otbn_illegal_mem_acc 5.000s 52.031us 1 1 100.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 110.609us 1 1 100.00
otbn_dmem_err 7.000s 60.408us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 44.230us 1 1 100.00
otbn_illegal_mem_acc 5.000s 52.031us 1 1 100.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 6.000s 23.966us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 9.000s 110.609us 1 1 100.00
otbn_dmem_err 7.000s 60.408us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 44.230us 1 1 100.00
otbn_illegal_mem_acc 5.000s 52.031us 1 1 100.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 6.000s 38.837us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 6.000s 27.311us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 34.000s 194.428us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 34.000s 194.428us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 7.000s 28.696us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 8.000s 45.401us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 12.866us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 12.866us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 9.762us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 192.000s 831.647us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 10.000s 35.671us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 5.000s 40.584us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 7.000s 54.660us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 0 1 0.00
otbn_stress_all_with_rand_reset 299.000s 4332.048us 0 1 0.00

Error Messages

   Test seed line log context
UVM_ERROR (cip_base_vseq.sv:1230) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses.
otbn_stress_all_with_rand_reset 106261837416997812502126721720553425446557151385319323813367277004425452897074 426
UVM_ERROR @ 4332047565 ps: (cip_base_vseq.sv:1230) [uvm_test_top.env.virtual_sequencer.otbn_common_vseq] Check failed (!has_outstanding_access()) Waited 10000 cycles to issue a reset with no outstanding accesses.
UVM_INFO @ 4332047565 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_ip_otbn_*/rtl/otbn.sv,1386): Assertion ErrBitsKnown_A has failed
otbn_sec_cm 91556967888526324603508030920616600171107861321820817164455913042736786964541 106
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn.sv,1386): (time 54660141 PS) Assertion tb.dut.ErrBitsKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,948): (time 54660141 PS) Assertion tb.dut.u_otbn_core.DoneOKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,949): (time 54660141 PS) Assertion tb.dut.u_otbn_core.ImemReqOKnown_A has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,950): (time 54660141 PS) Assertion tb.dut.u_otbn_core.ImemAddrOKnown_AKnownEnable has failed
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_0.1/rtl/otbn_core.sv,960): (time 54660141 PS) Assertion tb.dut.u_otbn_core.ErrBitsKnown_A has failed