| // Copyright lowRISC contributors. |
| // Licensed under the Apache License, Version 2.0, see LICENSE for details. |
| // SPDX-License-Identifier: Apache-2.0 |
| // |
| // waiver file for aes |
| |
| `verilator_config |
| |
| // Always_comb variable driven after use: 'regular' |
| // regular is assigned in a for loop, regular[1] depends on regular[0] |
| lint_off -rule ALWCOMBORDER -file "*/rtl/aes_key_expand.sv" -match "*'regular'" |
| |
| // Masked SBox implementations may require multiple modules to prevent aggressive synthesis optimizations. |
| lint_off -rule DECLFILENAME -file "*/rtl/aes_sbox_*_masked*.sv" -match "Filename 'aes_sbox_*_masked*' does not match MODULE name: *" |
| lint_off -rule DECLFILENAME -file "*/rtl/aes_sbox_dom*.sv" -match "Filename 'aes_sbox_dom*' does not match MODULE name: *" |
| |
| // In the sp2v_sig* arrays some members may depend on others. |
| // There are no circular dependencies but the tool must be told to analyze each member separately for simulation, i.e., to split up the arrays internally. |
| // Otherwise the tool needs to evaluate corresponding statements multiple times before the entire signal settles. |
| // This slows down simulation and causes the tool to print UNOPTFLAT lint warnings. |
| split_var -module "aes_control" -var "*sp2v_sig*" |
| split_var -module "aes_cipher_control" -var "*sp2v_sig" |
| split_var -module "aes_cipher_control" -var "*sp2v_sig_chk*" |
