Add reg_rdata_next = '0 to prevent X prop

chipsalliance · Sep 9, 2023 · 2a15899 · 2a15899
1 parent a9f4dbe
commit 2a15899
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diff --git a/src/csrng/rtl/csrng_reg_top.sv b/src/csrng/rtl/csrng_reg_top.sv
@@ -1946,6 +1946,7 @@ module csrng_reg_top #(
 
   // Read data return
   always_comb begin
+    reg_rdata_next = '0;
     unique case (1'b1)
       addr_hit[0]: begin
         reg_rdata_next[0] = intr_state_cs_cmd_req_done_qs;

diff --git a/src/entropy_src/rtl/entropy_src_reg_top.sv b/src/entropy_src/rtl/entropy_src_reg_top.sv
@@ -3587,6 +3587,7 @@ module entropy_src_reg_top #(
 
   // Read data return
   always_comb begin
+    reg_rdata_next = '0;
     unique case (1'b1)
       addr_hit[0]: begin
         reg_rdata_next[0] = intr_state_es_entropy_valid_qs;