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author | Korey Sewell <ksewell@umich.edu> | 2009-05-11 19:44:34 -0400 |
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committer | Korey Sewell <ksewell@umich.edu> | 2009-05-11 19:44:34 -0400 |
commit | a63cc2ff5fbba0e42a7aa39bfce6b6e2310fd52a (patch) | |
tree | 0952c5678b449ffd8def645fec2b714c4960df9e /src/mem/protocol/RubySlicc_MemControl.sm | |
parent | eea2b02b04a3076969dd607aca739b96d94b6155 (diff) | |
parent | f21e80ec72cf68ad859f18a2886297004ea9f959 (diff) | |
download | gem5-a63cc2ff5fbba0e42a7aa39bfce6b6e2310fd52a.tar.xz |
Merge Ruby Stuff
Diffstat (limited to 'src/mem/protocol/RubySlicc_MemControl.sm')
-rw-r--r-- | src/mem/protocol/RubySlicc_MemControl.sm | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mem/protocol/RubySlicc_MemControl.sm b/src/mem/protocol/RubySlicc_MemControl.sm new file mode 100644 index 000000000..a51bf09d4 --- /dev/null +++ b/src/mem/protocol/RubySlicc_MemControl.sm @@ -0,0 +1,67 @@ + +/* + * 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. + */ + +/* + * $Id$ + * + */ + +// MemoryRequestType used in MemoryMsg + +enumeration(MemoryRequestType, desc="...") { + + // Southbound request: from directory to memory cache + // or directory to memory or memory cache to memory + MEMORY_READ, desc="Read request to memory"; + MEMORY_WB, desc="Write back data to memory"; + + // response from memory to directory + // (These are currently unused!) + MEMORY_DATA, desc="Data read from memory"; + MEMORY_ACK, desc="Write to memory acknowledgement"; +} + + +// Message to and from Memory Control + +structure(MemoryMsg, desc="...", interface="Message") { + Address Address, desc="Physical address for this request"; + MemoryRequestType Type, desc="Type of memory request (MEMORY_READ or MEMORY_WB)"; + MachineID Sender, desc="What component sent the data"; + MachineID OriginalRequestorMachId, desc="What component originally requested"; + DataBlock DataBlk, desc="Data to writeback"; + MessageSizeType MessageSize, desc="size category of the message"; + // Not all fields used by all protocols: + PrefetchBit Prefetch, desc="Is this a prefetch request"; + bool ReadX, desc="Exclusive"; + int Acks, desc="How many acks to expect"; + + +} + |