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Diffstat (limited to 'src/mem/protocol/MOESI_hammer-cache.sm')
-rw-r--r--src/mem/protocol/MOESI_hammer-cache.sm20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mem/protocol/MOESI_hammer-cache.sm b/src/mem/protocol/MOESI_hammer-cache.sm
index 24f3ab318..6fe12d561 100644
--- a/src/mem/protocol/MOESI_hammer-cache.sm
+++ b/src/mem/protocol/MOESI_hammer-cache.sm
@@ -227,6 +227,26 @@ machine(L1Cache, "AMD Hammer-like protocol")
}
}
+ AccessPermission getAccessPermission(Address addr) {
+ TBE tbe := TBEs[addr];
+ if(is_valid(tbe)) {
+ return L1Cache_State_to_permission(tbe.TBEState);
+ }
+
+ Entry cache_entry := getCacheEntry(addr);
+ if(is_valid(cache_entry)) {
+ return L1Cache_State_to_permission(cache_entry.CacheState);
+ }
+
+ return AccessPermission:NotPresent;
+ }
+
+ void setAccessPermission(Entry cache_entry, Address addr, State state) {
+ if (is_valid(cache_entry)) {
+ cache_entry.changePermission(L1Cache_State_to_permission(state));
+ }
+ }
+
Event mandatory_request_type_to_event(RubyRequestType type) {
if (type == RubyRequestType:LD) {
return Event:Load;