Simulation Results: otbn

 
07/05/2026 19:40:22 DVSim: v1.34.0 sha: 2ee0202 json Branch: master Tool: xcelium [unknown]
Coverage statistics
  • Total
  • 94.28 %
  • code
  • 95.60 %
  • assert
  • 89.78 %
  • func
  • 97.46 %
  • block
  • 99.45 %
  • line
  • 99.58 %
  • branch
  • 93.06 %
  • toggle
  • 92.31 %
  • FSM
  • 97.44 %
Validation stages
V1
100.00%
V2
85.71%
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 44.367us 1 1 100.00
single_binary 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
csr_hw_reset 1 1 100.00
otbn_csr_hw_reset 3.000s 42.823us 1 1 100.00
csr_rw 1 1 100.00
otbn_csr_rw 3.000s 15.563us 1 1 100.00
csr_bit_bash 1 1 100.00
otbn_csr_bit_bash 7.000s 123.766us 1 1 100.00
csr_aliasing 1 1 100.00
otbn_csr_aliasing 3.000s 15.754us 1 1 100.00
csr_mem_rw_with_rand_reset 1 1 100.00
otbn_csr_mem_rw_with_rand_reset 4.000s 41.174us 1 1 100.00
regwen_csr_and_corresponding_lockable_csr 2 2 100.00
otbn_csr_rw 3.000s 15.563us 1 1 100.00
otbn_csr_aliasing 3.000s 15.754us 1 1 100.00
mem_walk 1 1 100.00
otbn_mem_walk 102.000s 12312.768us 1 1 100.00
mem_partial_access 1 1 100.00
otbn_mem_partial_access 25.000s 746.175us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
reset_recovery 0 1 0.00
otbn_reset 11.000s 20.345us 0 1 0.00
multi_error 1 1 100.00
otbn_multi_err 46.000s 133.965us 1 1 100.00
back_to_back 1 1 100.00
otbn_multi 37.000s 168.838us 1 1 100.00
stress_all 1 1 100.00
otbn_stress_all 49.000s 167.107us 1 1 100.00
lc_escalation 1 1 100.00
otbn_escalate 7.000s 14.177us 1 1 100.00
zero_state_err_urnd 0 1 0.00
otbn_zero_state_err_urnd 0.614s 0.000us 0 1 0.00
sw_errs_fatal_chk 1 1 100.00
otbn_sw_errs_fatal_chk 15.000s 111.086us 1 1 100.00
alert_test 1 1 100.00
otbn_alert_test 5.000s 25.775us 1 1 100.00
intr_test 1 1 100.00
otbn_intr_test 5.000s 16.770us 1 1 100.00
tl_d_oob_addr_access 1 1 100.00
otbn_tl_errors 6.000s 163.352us 1 1 100.00
tl_d_illegal_access 1 1 100.00
otbn_tl_errors 6.000s 163.352us 1 1 100.00
tl_d_outstanding_access 4 4 100.00
otbn_csr_hw_reset 3.000s 42.823us 1 1 100.00
otbn_csr_rw 3.000s 15.563us 1 1 100.00
otbn_csr_aliasing 3.000s 15.754us 1 1 100.00
otbn_same_csr_outstanding 4.000s 16.724us 1 1 100.00
tl_d_partial_access 4 4 100.00
otbn_csr_hw_reset 3.000s 42.823us 1 1 100.00
otbn_csr_rw 3.000s 15.563us 1 1 100.00
otbn_csr_aliasing 3.000s 15.754us 1 1 100.00
otbn_same_csr_outstanding 4.000s 16.724us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
mem_integrity 2 2 100.00
otbn_imem_err 10.000s 23.248us 1 1 100.00
otbn_dmem_err 8.000s 69.349us 1 1 100.00
internal_integrity 3 4 75.00
otbn_alu_bignum_mod_err 7.000s 199.810us 1 1 100.00
otbn_controller_ispr_rdata_err 12.000s 49.227us 1 1 100.00
otbn_mac_bignum_acc_err 7.000s 136.620us 1 1 100.00
otbn_urnd_err 3.000s 3.303us 0 1 0.00
illegal_bus_access 1 1 100.00
otbn_illegal_mem_acc 5.000s 9.797us 1 1 100.00
otbn_mem_gnt_acc_err 1 1 100.00
otbn_mem_gnt_acc_err 8.000s 12.595us 1 1 100.00
otbn_non_sec_partial_wipe 1 1 100.00
otbn_partial_wipe 5.000s 43.584us 1 1 100.00
tl_intg_err 2 2 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
otbn_tl_intg_err 25.000s 208.199us 1 1 100.00
passthru_mem_tl_intg_err 1 1 100.00
otbn_passthru_mem_tl_intg_err 37.000s 780.981us 1 1 100.00
prim_fsm_check 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
prim_count_check 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_mem_scramble 1 1 100.00
otbn_smoke 10.000s 44.367us 1 1 100.00
sec_cm_data_mem_integrity 1 1 100.00
otbn_dmem_err 8.000s 69.349us 1 1 100.00
sec_cm_instruction_mem_integrity 1 1 100.00
otbn_imem_err 10.000s 23.248us 1 1 100.00
sec_cm_bus_integrity 1 1 100.00
otbn_tl_intg_err 25.000s 208.199us 1 1 100.00
sec_cm_controller_fsm_global_esc 1 1 100.00
otbn_escalate 7.000s 14.177us 1 1 100.00
sec_cm_controller_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 23.248us 1 1 100.00
otbn_dmem_err 8.000s 69.349us 1 1 100.00
otbn_zero_state_err_urnd 0.614s 0.000us 0 1 0.00
otbn_illegal_mem_acc 5.000s 9.797us 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_controller_fsm_sparse 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_scramble_key_sideload 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_scramble_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 23.248us 1 1 100.00
otbn_dmem_err 8.000s 69.349us 1 1 100.00
otbn_zero_state_err_urnd 0.614s 0.000us 0 1 0.00
otbn_illegal_mem_acc 5.000s 9.797us 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_scramble_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_global_esc 1 1 100.00
otbn_escalate 7.000s 14.177us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_local_esc 4 5 80.00
otbn_imem_err 10.000s 23.248us 1 1 100.00
otbn_dmem_err 8.000s 69.349us 1 1 100.00
otbn_zero_state_err_urnd 0.614s 0.000us 0 1 0.00
otbn_illegal_mem_acc 5.000s 9.797us 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_start_stop_ctrl_fsm_sparse 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_data_reg_sw_sca 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_ctrl_redun 1 1 100.00
otbn_ctrl_redun 6.000s 42.069us 1 1 100.00
sec_cm_pc_ctrl_flow_redun 1 1 100.00
otbn_pc_ctrl_flow_redun 8.000s 86.116us 1 1 100.00
sec_cm_rnd_bus_consistency 0 1 0.00
otbn_rnd_sec_cm 0.675s 0.000us 0 1 0.00
sec_cm_rnd_rng_digest 0 1 0.00
otbn_rnd_sec_cm 0.675s 0.000us 0 1 0.00
sec_cm_rf_base_data_reg_sw_integrity 1 1 100.00
otbn_rf_base_intg_err 7.000s 17.357us 1 1 100.00
sec_cm_rf_base_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_stack_wr_ptr_ctr_redun 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_integrity 1 1 100.00
otbn_rf_bignum_intg_err 9.000s 58.881us 1 1 100.00
sec_cm_rf_bignum_data_reg_sw_glitch_detect 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_loop_stack_ctr_redun 1 1 100.00
otbn_sec_cm 152.000s 984.040us 1 1 100.00
sec_cm_loop_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 10.000s 101.901us 1 1 100.00
sec_cm_call_stack_addr_integrity 1 1 100.00
otbn_stack_addr_integ_chk 10.000s 101.901us 1 1 100.00
sec_cm_start_stop_ctrl_state_consistency 1 1 100.00
otbn_sec_wipe_err 12.000s 89.149us 1 1 100.00
sec_cm_data_mem_sec_wipe 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_instruction_mem_sec_wipe 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_data_reg_sw_sec_wipe 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_write_mem_integrity 1 1 100.00
otbn_multi 37.000s 168.838us 1 1 100.00
sec_cm_ctrl_flow_count 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_ctrl_flow_sca 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_data_mem_sw_noaccess 1 1 100.00
otbn_sw_no_acc 9.000s 43.882us 1 1 100.00
sec_cm_key_sideload 1 1 100.00
otbn_single 15.000s 53.686us 1 1 100.00
sec_cm_tlul_fifo_ctr_redun 1 1 100.00
otbn_sec_cm 152.000s 984.040us 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 225.000s 1507.410us 1 1 100.00
Testpoint Test Max Runtime Sim Time Pass Total %
Unmapped 1 1 100.00
otbn_smoke_vectorized 7.000s 25.675us 1 1 100.00

Error Messages

   Test seed line log context
Some pass patterns missing: ['^TEST PASSED (UVM_)?CHECKS$'] 2 test runs
otbn_zero_state_err_urnd 92296154818582861164863028471734281617250542037804038376872910617455152168522 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_rnd_sec_cm 29847477640318450429878369116034696580770320824253558954149361311497673823699 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_dv_otbn_env_*/otbn_rnd_if.sv,175): Assertion EdgePREFETCHINGToFULL_A has failed (* cycles, starting * PS) 1 test run
otbn_reset 64098622781075114438468217514662572141127309023665922280501509145945980061236 121
UVM_ERROR @ 20345395 ps: (otbn_rnd_if.sv:175) [ASSERT FAILED] EdgePREFETCHINGToFULL_A
UVM_INFO @ 20345395 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---
UVM_ERROR (uvm_hdl_inca.c:743) [UVM/DPI/NOBJ3] name tb.dut.edn_urnd_ack cannot be resolved to a hdl object (vlog,vhdl,vlog-slice) 1 test run
otbn_urnd_err 6251744142836440832756555472950989180292868336954359470144381752221641594749 103
UVM_INFO @ 3303085 ps: (uvm_report_catcher.svh:705) [UVM/REPORT/CATCHER]
--- UVM Report catcher Summary ---