Ruby: Add support for functional accesses

This patch rpovides functional access support in Ruby. Currently only
the M5Port of RubyPort supports functional accesses. The support for
functional through the PioPort will be added as a separate patch.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/mem/protocol/MOESI_CMP_directory-L1cache.sm b/src/mem/protocol/MOESI_CMP_directory-L1cache.sm
index 35832ee9c..2845d1ad1 100644
--- a/src/mem/protocol/MOESI_CMP_directory-L1cache.sm
+++ b/src/mem/protocol/MOESI_CMP_directory-L1cache.sm
@@ -197,14 +197,17 @@ machine(L1Cache, "Directory protocol")
   AccessPermission getAccessPermission(Address addr) {
     TBE tbe := TBEs[addr];
     if(is_valid(tbe)) {
+      DPRINTF(RubySlicc, "%s\n", L1Cache_State_to_permission(tbe.TBEState));
       return L1Cache_State_to_permission(tbe.TBEState);
     }
 
     Entry cache_entry := getCacheEntry(addr);
     if(is_valid(cache_entry)) {
+      DPRINTF(RubySlicc, "%s\n", L1Cache_State_to_permission(cache_entry.CacheState));
       return L1Cache_State_to_permission(cache_entry.CacheState);
     }
 
+    DPRINTF(RubySlicc, "AccessPermission_NotPresent\n");
     return AccessPermission:NotPresent;
   }
 
@@ -214,6 +217,10 @@ machine(L1Cache, "Directory protocol")
     }
   }
 
+  DataBlock getDataBlock(Address addr), return_by_ref="yes" {
+    return getCacheEntry(addr).DataBlk;
+  }
+
   Event mandatory_request_type_to_event(RubyRequestType type) {
     if (type == RubyRequestType:LD) {
       return Event:Load;