Simulation Results: otbn

 
27/07/2026 19:40:31 DVSim: v1.50.0 sha: 8e97d97 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 89.51 %
  • code
  • 81.80 %
  • assert
  • 89.69 %
  • func
  • 97.03 %
  • block
  • 97.74 %
  • line
  • 97.93 %
  • branch
  • 81.84 %
  • toggle
  • 81.24 %
  • FSM
  • 66.20 %
Validation stages
V1
100.00%
V2
92.86%
V2S
92.00%
V3
0.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 10.000s 38.624us 1 1 100.00
single_binary 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 4.000s 30.190us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 4.000s 50.499us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 6.000s 85.085us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 4.000s 133.269us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 6.000s 97.317us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 4.000s 50.499us 1 1 100.00
otbn_csr_aliasing 4.000s 133.269us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 48.000s 752.508us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 52.000s 12592.104us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 33.000s 192.672us 1 1 100.00
multi_error 0 1 0.00
otbn_multi_err 46.000s 1026.708us 0 1 0.00
back_to_back 1 1 100.00
otbn_multi 237.000s 1173.629us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 15.000s 42.152us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 11.000s 45.425us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 19.969us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 11.000s 23.288us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 4.000s 92.646us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 4.000s 18.673us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 8.000s 78.736us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 8.000s 78.736us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 4.000s 30.190us 1 1 100.00
otbn_csr_rw 4.000s 50.499us 1 1 100.00
otbn_csr_aliasing 4.000s 133.269us 1 1 100.00
otbn_same_csr_outstanding 5.000s 44.867us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 4.000s 30.190us 1 1 100.00
otbn_csr_rw 4.000s 50.499us 1 1 100.00
otbn_csr_aliasing 4.000s 133.269us 1 1 100.00
otbn_same_csr_outstanding 5.000s 44.867us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 8.000s 58.617us 1 1 100.00
otbn_dmem_err 8.000s 35.368us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 13.000s 123.310us 1 1 100.00
otbn_controller_ispr_rdata_err 8.000s 30.352us 1 1 100.00
otbn_mac_bignum_acc_err 6.000s 292.365us 1 1 100.00
otbn_urnd_err 5.000s 51.274us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 7.000s 63.000us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 6.000s 14.511us 1 1 100.00
otbn_non_sec_partial_wipe 0 1 0.00
otbn_partial_wipe 1.237s 0.000us 0 1 0.00
tl_intg_err 2 2 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
otbn_tl_intg_err 13.000s 180.627us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 44.000s 195.037us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 10.000s 38.624us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 8.000s 35.368us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 8.000s 58.617us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 13.000s 180.627us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 45.425us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 8.000s 58.617us 1 1 100.00
otbn_dmem_err 8.000s 35.368us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 19.969us 1 1 100.00
otbn_illegal_mem_acc 7.000s 63.000us 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 8.000s 58.617us 1 1 100.00
otbn_dmem_err 8.000s 35.368us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 19.969us 1 1 100.00
otbn_illegal_mem_acc 7.000s 63.000us 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 11.000s 45.425us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 8.000s 58.617us 1 1 100.00
otbn_dmem_err 8.000s 35.368us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 19.969us 1 1 100.00
otbn_illegal_mem_acc 7.000s 63.000us 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 6.000s 58.908us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 7.000s 36.573us 1 1 100.00
sec_cm_rnd_bus_consistency 0 1 0.00
otbn_rnd_sec_cm 14.000s 96.904us 0 1 0.00
sec_cm_rnd_rng_digest 0 1 0.00
otbn_rnd_sec_cm 14.000s 96.904us 0 1 0.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 10.000s 25.558us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 9.000s 199.612us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 13.000s 125.348us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 13.000s 125.348us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 35.728us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 237.000s 1173.629us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 8.000s 17.061us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 8.000s 17.010us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 308.000s 12117.147us 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 175.000s 2177.718us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 19.766us 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 62055832580030935265397037807450689627080665447172719287257040633419188714242 379
UVM_INFO @ 1026708110 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
otbn_rnd_sec_cm 33553061443156765088285480249977834968117753371837836221321646465153043624340 105
UVM_INFO @ 96903957 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (cip_base_vseq.sv:1287) [otbn_common_vseq] Check failed (!has_outstanding_access()) Waited * cycles to issue a reset with no outstanding accesses. 1 test run
otbn_stress_all_with_rand_reset 33380112439219593642556849591446731017411856344527828686531348120084461892118 480
UVM_INFO @ 2177717652 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 1 test run
otbn_partial_wipe 97746672542647987457309437698071951710080640483901783605575722659498295959648 None
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 122, in _gen_loop_head
enc_bodysize, end_addr = self._pick_bodysize(insn, model.pc, program)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "/nightly/current_run/opentitan/hw/ip/otbn/dv/rig/rig/gens/bad_deep_loop.py", line 67, in _pick_bodysize
assert bodysize is not None
^^^^^^^^^^^^^^^^^^^^
AssertionError
ninja: build stopped: subcommand failed.
make: *** [/nightly/current_run/opentitan/hw/dv/tools/dvsim/sim.mk:52: pre_run] Error 1