Simulation Results: otbn

 
04/08/2026 15:30:33 DVSim: v1.50.0 sha: ff213b0 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 89.29 %
  • code
  • 81.58 %
  • assert
  • 89.69 %
  • func
  • 96.61 %
  • block
  • 97.72 %
  • line
  • 97.93 %
  • branch
  • 81.73 %
  • toggle
  • 80.44 %
  • 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 21.000s 105.911us 1 1 100.00
single_binary 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 31.000s 47.598us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 30.000s 40.675us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 32.000s 97.352us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 32.000s 19.087us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 33.000s 115.557us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 30.000s 40.675us 1 1 100.00
otbn_csr_aliasing 32.000s 19.087us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 139.000s 42908.548us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 63.000s 2535.127us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 1 1 100.00
otbn_reset 39.000s 68.663us 1 1 100.00
multi_error 1 1 100.00
otbn_multi_err 60.000s 1120.912us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 83.000s 265.815us 1 1 100.00
stress_all 0 1 0.00
otbn_stress_all 38.781s 0.000us 0 1 0.00
lc_escalation 1 1 100.00
otbn_escalate 33.000s 109.413us 1 1 100.00
zero_state_err_urnd 1 1 100.00
otbn_zero_state_err_urnd 5.000s 26.247us 1 1 100.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 12.000s 229.942us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 31.000s 51.846us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 28.000s 14.515us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 315.028us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 315.028us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 31.000s 47.598us 1 1 100.00
otbn_csr_rw 30.000s 40.675us 1 1 100.00
otbn_csr_aliasing 32.000s 19.087us 1 1 100.00
otbn_same_csr_outstanding 14.000s 33.802us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 31.000s 47.598us 1 1 100.00
otbn_csr_rw 30.000s 40.675us 1 1 100.00
otbn_csr_aliasing 32.000s 19.087us 1 1 100.00
otbn_same_csr_outstanding 14.000s 33.802us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 31.000s 60.228us 1 1 100.00
otbn_dmem_err 34.000s 21.459us 1 1 100.00
internal_integrity 4 4 100.00
otbn_alu_bignum_mod_err 36.000s 203.432us 1 1 100.00
otbn_controller_ispr_rdata_err 33.000s 13.278us 1 1 100.00
otbn_mac_bignum_acc_err 32.000s 259.920us 1 1 100.00
otbn_urnd_err 7.000s 70.232us 1 1 100.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 29.000s 18.042us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 28.000s 64.689us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 24.000s 21.808us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
otbn_tl_intg_err 12.000s 70.461us 1 1 100.00
passthru_mem_tl_intg_err 0 1 0.00
otbn_passthru_mem_tl_intg_err 27.000s 24.598us 0 1 0.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 21.000s 105.911us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 34.000s 21.459us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 31.000s 60.228us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 12.000s 70.461us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 33.000s 109.413us 1 1 100.00
sec_cm_controller_fsm_local_esc 5 5 100.00
otbn_imem_err 31.000s 60.228us 1 1 100.00
otbn_dmem_err 34.000s 21.459us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 26.247us 1 1 100.00
otbn_illegal_mem_acc 29.000s 18.042us 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 31.000s 60.228us 1 1 100.00
otbn_dmem_err 34.000s 21.459us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 26.247us 1 1 100.00
otbn_illegal_mem_acc 29.000s 18.042us 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 33.000s 109.413us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 5 5 100.00
otbn_imem_err 31.000s 60.228us 1 1 100.00
otbn_dmem_err 34.000s 21.459us 1 1 100.00
otbn_zero_state_err_urnd 5.000s 26.247us 1 1 100.00
otbn_illegal_mem_acc 29.000s 18.042us 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 31.000s 161.395us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 22.000s 68.085us 1 1 100.00
sec_cm_rnd_bus_consistency 1 1 100.00
otbn_rnd_sec_cm 43.000s 155.890us 1 1 100.00
sec_cm_rnd_rng_digest 1 1 100.00
otbn_rnd_sec_cm 43.000s 155.890us 1 1 100.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 35.000s 92.104us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 0 1 0.00
otbn_rf_bignum_intg_err 18.000s 160.045us 0 1 0.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 78.706us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 6.000s 78.706us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 5.000s 26.734us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 83.000s 265.815us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 6.000s 35.331us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 10.000s 51.783us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 319.000s 3467.200us 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 241.000s 2430.839us 0 1 0.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 60.150us 1 1 100.00

Error Messages

   Test seed line log context
UVM_ERROR (cip_base_scoreboard.sv:255) scoreboard [scoreboard] alert fatal has unexpected timeout error 1 test run
otbn_rf_bignum_intg_err 29330026031731083377182976473104813846513054707197066050881843810436647786252 107
UVM_INFO @ 160045334 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_stress_all 17306660279942107528432091646529914720998691794325097262732887486859890019610 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
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 52000356765599710761412132835491777765063734814693401716642215892842346452793 329
UVM_INFO @ 2430839145 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_FATAL (otbn_scoreboard.sv:551) scoreboard [scoreboard] We saw a STATUS change * cycles ago that implied we'd get a recov alert but it still hasn't arrived. 1 test run
otbn_passthru_mem_tl_intg_err 95495519085360396017807653090263539722713730828576024198714584896542614295071 96
UVM_INFO @ 24598163 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---