Merged PR 127057: added a missing default case to hmac_drbg_interface

added a missing default case to hmac_drbg_interface Related work items: #565291
chipsalliance · Oct 2, 2023 · e90baa9 · e90baa9
1 parent 2c300e0
commit e90baa9
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/ecc/rtl/ecc_hmac_drbg_interface.sv b/src/ecc/rtl/ecc_hmac_drbg_interface.sv
@@ -209,16 +209,21 @@ module ecc_hmac_drbg_interface#(
  end
  else
  if (hmac_done_edge) begin
- /* verilator lint_off CASEINCOMPLETE */
  unique case (state_reg) inside
  LFSR_ST: lfsr_seed_reg <= hmac_drbg_result[147 : 0];
  LAMBDA_ST: lambda_reg <= hmac_drbg_result;
  SCALAR_RND_ST: scalar_rnd_reg <= hmac_drbg_result;
  MASKING_RND_ST: masking_rnd_reg <= hmac_drbg_result;
  KEYGEN_ST: drbg_reg <= hmac_drbg_result;
  SIGN_ST: drbg_reg <= hmac_drbg_result;
+ default: begin
+ lambda_reg <= '0;
+ scalar_rnd_reg <= '0;
+ masking_rnd_reg <= '0;
+ drbg_reg <= '0;
+ lfsr_seed_reg <= LFSR_INIT_SEED;
+ end
  endcase
- /* verilator lint_on CASEINCOMPLETE */
  end
  end //reg_update