Simulation Results: otbn

 
16/12/2025 19:25:10 sha: de081ff json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 91.85 %
  • code
  • 94.22 %
  • assert
  • 86.89 %
  • func
  • 94.44 %
  • block
  • 99.44 %
  • line
  • 99.54 %
  • branch
  • 93.35 %
  • toggle
  • 91.70 %
  • 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 7.000s 40.543us 1 1 100.00
single_binary 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 7.000s 42.382us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 27.236us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 6.000s 52.465us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 19.419us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 5.000s 58.839us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 27.236us 1 1 100.00
otbn_csr_aliasing 4.000s 19.419us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 36.000s 4959.455us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 10.000s 910.185us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 28.000s 371.464us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 36.000s 833.887us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 76.000s 300.120us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 26.000s 380.944us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 5.000s 49.224us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.070us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 18.000s 120.346us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 19.133us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 3.000s 22.526us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 5.000s 33.545us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 5.000s 33.545us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 7.000s 42.382us 1 1 100.00
otbn_csr_rw 4.000s 27.236us 1 1 100.00
otbn_csr_aliasing 4.000s 19.419us 1 1 100.00
otbn_same_csr_outstanding 3.000s 90.232us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 7.000s 42.382us 1 1 100.00
otbn_csr_rw 4.000s 27.236us 1 1 100.00
otbn_csr_aliasing 4.000s 19.419us 1 1 100.00
otbn_same_csr_outstanding 3.000s 90.232us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 5.000s 27.906us 1 1 100.00
otbn_dmem_err 10.000s 55.237us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 13.000s 96.359us 1 1 100.00
otbn_controller_ispr_rdata_err 7.000s 284.931us 1 1 100.00
otbn_mac_bignum_acc_err 5.000s 17.477us 1 1 100.00
otbn_urnd_err 5.000s 17.212us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 10.000s 47.344us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 5.000s 23.218us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 5.000s 20.192us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_tl_intg_err 8.000s 575.345us 1 1 100.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 19.000s 733.009us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 7.000s 40.543us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 10.000s 55.237us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 5.000s 27.906us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 8.000s 575.345us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 5.000s 49.224us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 5.000s 27.906us 1 1 100.00
otbn_dmem_err 10.000s 55.237us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.070us 1 1 100.00
otbn_illegal_mem_acc 10.000s 47.344us 1 1 100.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 5.000s 27.906us 1 1 100.00
otbn_dmem_err 10.000s 55.237us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.070us 1 1 100.00
otbn_illegal_mem_acc 10.000s 47.344us 1 1 100.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 5.000s 49.224us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 5.000s 27.906us 1 1 100.00
otbn_dmem_err 10.000s 55.237us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 60.070us 1 1 100.00
otbn_illegal_mem_acc 10.000s 47.344us 1 1 100.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 8.000s 29.025us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 6.000s 15.495us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 13.000s 332.368us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 13.000s 332.368us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 7.000s 80.831us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 11.000s 73.368us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 12.000s 58.715us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 8.000s 23.188us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 8.000s 23.188us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 3.000s 45.811us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 76.000s 300.120us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 11.000s 47.696us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 5.000s 47.530us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 12.000s 58.715us 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 433.000s 1763.493us 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 38107301755099461802039505463973996976774062325021337250494023367205512604724 382
UVM_ERROR @ 1763492935 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 @ 1763492935 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 40119133712314125465425442067378843506735858655855393558876297913128454536261 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 58715199 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 58715199 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 58715199 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 58715199 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 58715199 PS) Assertion tb.dut.u_otbn_core.ErrBitsKnown_A has failed