ruby: Import ruby and slicc from GEMS

We eventually plan to replace the m5 cache hierarchy with the GEMS
hierarchy, but for now we will make both live alongside eachother.

1 files changed, 92 insertions, 0 deletions

diff --git a/src/mem/protocol/MI_example-msg.sm b/src/mem/protocol/MI_example-msg.sm
new file mode 100644
index 000000000..f577d60df
--- /dev/null
+++ b/src/mem/protocol/MI_example-msg.sm
@@ -0,0 +1,92 @@
+
+/*
+ * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * $Id: MOESI_SMP_directory-msg.sm 1.8 05/01/19 15:48:36-06:00 mikem@royal16.cs.wisc.edu $
+ *
+ */
+
+// CoherenceRequestType
+enumeration(CoherenceRequestType, desc="...") {
+  GETX,      desc="Get eXclusive";
+  GETS,      desc="Get Shared";
+  PUTX,      desc="Put eXclusive";
+  PUTO,      desc="Put Owned";
+  WB_ACK,    desc="Writeback ack";
+  WB_NACK,   desc="Writeback neg. ack";
+  INV,       desc="Invalidation";
+  FWD,      desc="Generic FWD";
+}
+
+// CoherenceResponseType
+enumeration(CoherenceResponseType, desc="...") {
+  ACK,               desc="ACKnowledgment, responder doesn't have a copy";
+  DATA,              desc="Data";
+  DATA_EXCLUSIVE_CLEAN, desc="Data, no other processor has a copy, data is clean";
+  DATA_EXCLUSIVE_DIRTY, desc="Data, no other processor has a copy, data is dirty";
+  UNBLOCK,           desc="Unblock";
+  UNBLOCK_EXCLUSIVE, desc="Unblock, we're in E/M";
+  WRITEBACK_CLEAN,   desc="Clean writeback (no data)";
+  WRITEBACK_DIRTY,   desc="Dirty writeback (contains data)";
+  WRITEBACK,         desc="Generic writeback (contains data)";
+}
+
+// TriggerType
+enumeration(TriggerType, desc="...") {
+  ALL_ACKS,            desc="See corresponding event";
+}
+
+// TriggerMsg
+structure(TriggerMsg, desc="...", interface="Message") {
+  Address Address,             desc="Physical address for this request";
+  TriggerType Type,            desc="Type of trigger";
+}
+
+// RequestMsg (and also forwarded requests)
+structure(RequestMsg, desc="...", interface="NetworkMessage") {
+  Address Address,             desc="Physical address for this request";
+  CoherenceRequestType Type,   desc="Type of request (GetS, GetX, PutX, etc)";
+  MachineID Requestor,            desc="Node who initiated the request";
+  NetDest Destination,             desc="Multicast destination mask";
+  int Acks,                    desc="How many acks to expect";
+  DataBlock DataBlk,           desc="data for the cache line";
+  MessageSizeType MessageSize, desc="size category of the message";
+}
+
+// ResponseMsg (and also unblock requests)
+structure(ResponseMsg, desc="...", interface="NetworkMessage") {
+  Address Address,             desc="Physical address for this request";
+  CoherenceResponseType Type,  desc="Type of response (Ack, Data, etc)";
+  MachineID Sender,               desc="Node who sent the data";
+  NetDest Destination,             desc="Node to whom the data is sent";
+  DataBlock DataBlk,           desc="data for the cache line";
+  bool Dirty,                  desc="Is the data dirty (different than memory)?";
+  int Acks,                    desc="How many acks to expect";
+  MessageSizeType MessageSize, desc="size category of the message";
+}