1 files changed, 8 insertions, 3 deletions
diff --git a/src/mem/protocol/MESI_Two_Level-dma.sm b/src/mem/protocol/MESI_Two_Level-dma.sm
index 845d4df2f..3d9f2336f 100644
--- a/src/mem/protocol/MESI_Two_Level-dma.sm
+++ b/src/mem/protocol/MESI_Two_Level-dma.sm
@@ -55,8 +55,9 @@ machine(DMA, "DMA Controller")
   State getState(Address addr) {
     return cur_state;
   }
+
   void setState(Address addr, State state) {
-  cur_state := state;
+    cur_state := state;
   }
 
   AccessPermission getAccessPermission(Address addr) {
@@ -66,8 +67,12 @@ machine(DMA, "DMA Controller")
   void setAccessPermission(Address addr, State state) {
   }
 
-  DataBlock getDataBlock(Address addr), return_by_ref="yes" {
-    error("DMA does not support get data block.");
+  void functionalRead(Address addr, Packet *pkt) {
+    error("DMA does not support functional read.");
+  }
+
+  int functionalWrite(Address addr, Packet *pkt) {
+    error("DMA does not support functional write.");
   }
 
   out_port(requestToDir_out, RequestMsg, requestToDir, desc="...");