Simulation Results: otbn

 
03/08/2026 19:51:35 DVSim: v1.50.0 sha: 2719cd7 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 91.27 %
  • code
  • 85.80 %
  • assert
  • 89.69 %
  • func
  • 98.31 %
  • block
  • 99.25 %
  • line
  • 99.45 %
  • branch
  • 94.62 %
  • toggle
  • 84.32 %
  • FSM
  • 64.79 %
Validation stages
V1
100.00%
V2
85.71%
V2S
92.00%
V3
100.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 15.000s 194.685us 1 1 100.00
single_binary 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 4.000s 24.668us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 19.603us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 6.000s 91.931us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 38.790us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 233.385us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 19.603us 1 1 100.00
otbn_csr_aliasing 4.000s 38.790us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 37.000s 782.126us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 50.000s 1253.776us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 32.000s 302.743us 1 1 100.00
multi_error 0 1 0.00
otbn_multi_err 22.000s 73.592us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 116.000s 305.151us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 51.000s 157.997us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 13.000s 33.472us 1 1 100.00
zero_state_err_urnd 0 1 0.00
otbn_zero_state_err_urnd 7.000s 46.560us 0 1 0.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 11.000s 113.235us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 6.000s 130.888us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 32.104us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 50.983us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 50.983us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 4.000s 24.668us 1 1 100.00
otbn_csr_rw 4.000s 19.603us 1 1 100.00
otbn_csr_aliasing 4.000s 38.790us 1 1 100.00
otbn_same_csr_outstanding 4.000s 19.263us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 4.000s 24.668us 1 1 100.00
otbn_csr_rw 4.000s 19.603us 1 1 100.00
otbn_csr_aliasing 4.000s 38.790us 1 1 100.00
otbn_same_csr_outstanding 4.000s 19.263us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 10.000s 198.575us 1 1 100.00
otbn_dmem_err 9.000s 155.829us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 9.000s 55.001us 1 1 100.00
otbn_controller_ispr_rdata_err 33.000s 111.877us 1 1 100.00
otbn_mac_bignum_acc_err 18.000s 108.140us 1 1 100.00
otbn_urnd_err 6.000s 16.733us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 6.000s 16.561us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 8.000s 25.323us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 6.000s 10.266us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
otbn_tl_intg_err 71.000s 483.841us 1 1 100.00
passthru_mem_tl_intg_err 0 1 0.00
otbn_passthru_mem_tl_intg_err 15.000s 48.375us 0 1 0.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 15.000s 194.685us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 9.000s 155.829us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 10.000s 198.575us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 71.000s 483.841us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 13.000s 33.472us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 198.575us 1 1 100.00
otbn_dmem_err 9.000s 155.829us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 46.560us 0 1 0.00
otbn_illegal_mem_acc 6.000s 16.561us 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 198.575us 1 1 100.00
otbn_dmem_err 9.000s 155.829us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 46.560us 0 1 0.00
otbn_illegal_mem_acc 6.000s 16.561us 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 13.000s 33.472us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 198.575us 1 1 100.00
otbn_dmem_err 9.000s 155.829us 1 1 100.00
otbn_zero_state_err_urnd 7.000s 46.560us 0 1 0.00
otbn_illegal_mem_acc 6.000s 16.561us 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 7.000s 58.937us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 21.120us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 32.000s 102.638us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 32.000s 102.638us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 17.000s 236.279us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 8.000s 54.038us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 15.000s 52.526us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 15.000s 52.526us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 14.000s 62.741us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 116.000s 305.151us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 10.000s 22.460us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 10.000s 81.706us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 300.000s 1668.800us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 1 1 100.00
otbn_stress_all_with_rand_reset 203.000s 581.974us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 8.000s 22.360us 1 1 100.00

Error Messages

   Test seed line log context
UVM_FATAL (otbn_scoreboard.sv:550) scoreboard [scoreboard] We saw a STATUS change * cycles ago that implied we'd get a recov alert but it still hasn't arrived. 2 test runs
otbn_multi_err 48282817260656120846230821859963140998327167823042274033988185787385361873399 254
UVM_INFO @ 73592169 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_passthru_mem_tl_intg_err 35099909961515111950045135775662573999990519757960174001569082155508701471099 111
UVM_INFO @ 48375470 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_env_*/otbn_insn_cnt_if.sv,21): Assertion InsnCntMatches_A has failed 1 test run
otbn_zero_state_err_urnd 103615405241362710643783049461689423402006228386619548529618574075675867546215 109
UVM_ERROR @ 46560026 ps: (otbn_insn_cnt_if.sv:21) [ASSERT FAILED] InsnCntMatches_A
UVM_INFO @ 46560026 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---