Merge pull request #789 from silabs-oysteink/silabs-oysteink_csr-latc…

…h-fix Removed accidental latches in csr_wdata_int when DEBUG=0.
openhwgroup · Feb 21, 2023 · c0800cb · c0800cb
2 parents 6c0340d + 95bd006
commit c0800cb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/rtl/cv32e40x_cs_registers.sv b/rtl/cv32e40x_cs_registers.sv
@@ -539,6 +539,7 @@ module cv32e40x_cs_registers import cv32e40x_pkg::*;
           csr_rdata_int = dcsr_rdata;
           illegal_csr_read = !ctrl_fsm_i.debug_mode;
         end else begin
+          csr_rdata_int    = '0;
           illegal_csr_read = 1'b1;
         end
       end
@@ -548,6 +549,7 @@ module cv32e40x_cs_registers import cv32e40x_pkg::*;
           csr_rdata_int = dpc_rdata;
           illegal_csr_read = !ctrl_fsm_i.debug_mode;
         end else begin
+          csr_rdata_int    = '0;
           illegal_csr_read = 1'b1;
         end
       end
@@ -557,6 +559,7 @@ module cv32e40x_cs_registers import cv32e40x_pkg::*;
           csr_rdata_int = dscratch0_rdata;
           illegal_csr_read = !ctrl_fsm_i.debug_mode;
         end else begin
+          csr_rdata_int    = '0;
           illegal_csr_read = 1'b1;
         end
       end
@@ -566,6 +569,7 @@ module cv32e40x_cs_registers import cv32e40x_pkg::*;
           csr_rdata_int = dscratch1_rdata;
           illegal_csr_read = !ctrl_fsm_i.debug_mode;
         end else begin
+          csr_rdata_int    = '0;
           illegal_csr_read = 1'b1;
         end
       end