Simulation Results: otbn

 
22/06/2026 15:30:25 DVSim: v1.49.10 sha: c4c7114 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 94.91 %
  • code
  • 95.38 %
  • assert
  • 94.86 %
  • func
  • 94.49 %
  • block
  • 99.36 %
  • line
  • 99.49 %
  • branch
  • 92.44 %
  • toggle
  • 92.04 %
  • FSM
  • 97.56 %
Validation stages
V1
100.00%
V2
100.00%
V2S
88.00%
V3
100.00%
unmapped
100.00%
Testpoint Test Max Runtime Sim Time Pass Total %
smoke 1 1 100.00
otbn_smoke 10.000s 56.251us 1 1 100.00
single_binary 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 34.000s 45.775us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 34.000s 75.591us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 36.000s 116.189us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 37.000s 30.529us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 37.000s 140.346us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 34.000s 75.591us 1 1 100.00
otbn_csr_aliasing 37.000s 30.529us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 80.000s 6561.710us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 53.000s 16068.221us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 25.000s 88.347us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 52.000s 780.822us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 103.000s 1256.773us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 33.000s 213.908us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 41.000s 699.383us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 6.000s 23.886us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 21.000s 262.729us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 35.000s 27.588us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 19.000s 14.798us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 5.000s 279.149us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 5.000s 279.149us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 34.000s 45.775us 1 1 100.00
otbn_csr_rw 34.000s 75.591us 1 1 100.00
otbn_csr_aliasing 37.000s 30.529us 1 1 100.00
otbn_same_csr_outstanding 6.000s 42.664us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 34.000s 45.775us 1 1 100.00
otbn_csr_rw 34.000s 75.591us 1 1 100.00
otbn_csr_aliasing 37.000s 30.529us 1 1 100.00
otbn_same_csr_outstanding 6.000s 42.664us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 31.000s 26.945us 1 1 100.00
otbn_dmem_err 36.000s 29.768us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 41.000s 62.600us 1 1 100.00
otbn_controller_ispr_rdata_err 2.140s 0.000us 0 1 0.00
otbn_mac_bignum_acc_err 22.000s 73.068us 1 1 100.00
otbn_urnd_err 4.000s 29.263us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 31.000s 47.773us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 20.000s 49.348us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 10.000s 183.141us 1 1 100.00
tl_intg_err 1 2 50.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
otbn_tl_intg_err 21.000s 1369.114us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 63.000s 254.795us 1 1 100.00
prim_fsm_check 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
prim_count_check 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 10.000s 56.251us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 36.000s 29.768us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 31.000s 26.945us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 21.000s 1369.114us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 41.000s 699.383us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 31.000s 26.945us 1 1 100.00
otbn_dmem_err 36.000s 29.768us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 23.886us 1 1 100.00
otbn_illegal_mem_acc 31.000s 47.773us 1 1 100.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_controller_fsm_sparse 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 31.000s 26.945us 1 1 100.00
otbn_dmem_err 36.000s 29.768us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 23.886us 1 1 100.00
otbn_illegal_mem_acc 31.000s 47.773us 1 1 100.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_scramble_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 41.000s 699.383us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 31.000s 26.945us 1 1 100.00
otbn_dmem_err 36.000s 29.768us 1 1 100.00
otbn_zero_state_err_urnd 6.000s 23.886us 1 1 100.00
otbn_illegal_mem_acc 31.000s 47.773us 1 1 100.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_start_stop_ctrl_fsm_sparse 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 37.000s 24.075us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 8.000s 24.014us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 117.000s 414.052us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 117.000s 414.052us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 6.000s 50.319us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_stack_wr_ptr_ctr_redun 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_integrity 0 1 0.00
otbn_rf_bignum_intg_err 0.751s 0.000us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_loop_stack_ctr_redun 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 22.000s 115.967us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 22.000s 115.967us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 7.000s 57.938us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 103.000s 1256.773us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 10.000s 58.821us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 24.000s 71.345us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 0 1 0.00
otbn_sec_cm 203.000s 1183.933us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
stress_all_with_rand_reset 1 1 100.00
otbn_stress_all_with_rand_reset 228.000s 3013.916us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 196.256us 1 1 100.00

Error Messages

   Test seed line log context
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 2 test runs
otbn_controller_ispr_rdata_err 90356553999854643552835691313979865785646266305307136214829535041126894445273 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
otbn_rf_bignum_intg_err 728825267793716969940509156843768251437217041431773845752544646439721167917 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
xmsim: *E,ASRTST (/nightly/current_run/scratch/master/otbn-sim-xcelium/default/fusesoc-work/src/lowrisc_ip_otbn_*/rtl/otbn_rnd.sv,233): Assertion UrndNoReseedOnReset_A has failed 1 test run
otbn_sec_cm 98796637716170840220079832420487018693185803152914848187106991736423545318446 931
UVM_ERROR @ 1183933484 ps: (otbn_rnd.sv:233) [ASSERT FAILED] UrndNoReseedOnReset_A
UVM_INFO @ 1183933484 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---