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authorNilay Vaish <nilay@cs.wisc.edu>2014-01-04 00:03:33 -0600
committerNilay Vaish <nilay@cs.wisc.edu>2014-01-04 00:03:33 -0600
commitbb6d7d402b5cc610ed879e9e7ecb251e353149e6 (patch)
tree2724cd730d3867978ddefe2b1cdead47fefa6bc0 /src/mem/protocol/MESI_Two_Level-msg.sm
parent9ec59e8b691d0f2e49f0a8ea6e1284b1d9e4e669 (diff)
downloadgem5-bb6d7d402b5cc610ed879e9e7ecb251e353149e6.tar.xz
ruby: rename MESI_CMP_directory to MESI_Two_Level
This is because the next patch introduces a three level hierarchy. --HG-- rename : build_opts/ALPHA_MESI_CMP_directory => build_opts/ALPHA_MESI_Two_Level rename : build_opts/X86_MESI_CMP_directory => build_opts/X86_MESI_Two_Level rename : configs/ruby/MESI_CMP_directory.py => configs/ruby/MESI_Two_Level.py rename : src/mem/protocol/MESI_CMP_directory-L1cache.sm => src/mem/protocol/MESI_Two_Level-L1cache.sm rename : src/mem/protocol/MESI_CMP_directory-L2cache.sm => src/mem/protocol/MESI_Two_Level-L2cache.sm rename : src/mem/protocol/MESI_CMP_directory-dir.sm => src/mem/protocol/MESI_Two_Level-dir.sm rename : src/mem/protocol/MESI_CMP_directory-dma.sm => src/mem/protocol/MESI_Two_Level-dma.sm rename : src/mem/protocol/MESI_CMP_directory-msg.sm => src/mem/protocol/MESI_Two_Level-msg.sm rename : src/mem/protocol/MESI_CMP_directory.slicc => src/mem/protocol/MESI_Two_Level.slicc rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/config.ini => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/simerr => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/simerr rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/simout => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/simout rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_CMP_directory/system.pc.com_1.terminal => tests/long/fs/10.linux-boot/ref/x86/linux/pc-simple-timing-ruby-MESI_Two_Level/system.pc.com_1.terminal rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/config.ini => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/simerr => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/simerr rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/simout => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/simout rename : tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/00.hello/ref/alpha/linux/simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/config.ini => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/simerr => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/simerr rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/simout => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/simout rename : tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/00.hello/ref/alpha/tru64/simple-timing-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/config.ini => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/simerr => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/simerr rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/simout => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/simout rename : tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/50.memtest/ref/alpha/linux/memtest-ruby-MESI_Two_Level/stats.txt rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/config.ini => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/config.ini rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/ruby.stats => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/ruby.stats rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/simerr => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simerr rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/simout => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simout rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_CMP_directory/stats.txt => tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/stats.txt
Diffstat (limited to 'src/mem/protocol/MESI_Two_Level-msg.sm')
-rw-r--r--src/mem/protocol/MESI_Two_Level-msg.sm116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/mem/protocol/MESI_Two_Level-msg.sm b/src/mem/protocol/MESI_Two_Level-msg.sm
new file mode 100644
index 000000000..85a54c1f2
--- /dev/null
+++ b/src/mem/protocol/MESI_Two_Level-msg.sm
@@ -0,0 +1,116 @@
+
+/*
+ * 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.
+ */
+
+
+// CoherenceRequestType
+enumeration(CoherenceRequestType, desc="...") {
+ GETX, desc="Get eXclusive";
+ UPGRADE, desc="UPGRADE to exclusive";
+ GETS, desc="Get Shared";
+ GET_INSTR, desc="Get Instruction";
+ INV, desc="INValidate";
+ PUTX, desc="Replacement message";
+
+ WB_ACK, desc="Writeback ack";
+
+ DMA_READ, desc="DMA Read";
+ DMA_WRITE, desc="DMA Write";
+}
+
+// CoherenceResponseType
+enumeration(CoherenceResponseType, desc="...") {
+ MEMORY_ACK, desc="Ack from memory controller";
+ DATA, desc="Data block for L1 cache in S state";
+ DATA_EXCLUSIVE, desc="Data block for L1 cache in M/E state";
+ MEMORY_DATA, desc="Data block from / to main memory";
+ ACK, desc="Generic invalidate ack";
+ WB_ACK, desc="writeback ack";
+ UNBLOCK, desc="unblock";
+ EXCLUSIVE_UNBLOCK, desc="exclusive unblock";
+ INV, desc="Invalidate from directory";
+}
+
+// RequestMsg
+structure(RequestMsg, desc="...", interface="NetworkMessage") {
+ Address Addr, desc="Physical address for this request";
+ CoherenceRequestType Type, desc="Type of request (GetS, GetX, PutX, etc)";
+ RubyAccessMode AccessMode, desc="user/supervisor access type";
+ MachineID Requestor , desc="What component request";
+ NetDest Destination, desc="What components receive the request, includes MachineType and num";
+ MessageSizeType MessageSize, desc="size category of the message";
+ DataBlock DataBlk, desc="Data for the cache line (if PUTX)";
+ int Len;
+ bool Dirty, default="false", desc="Dirty bit";
+ PrefetchBit Prefetch, desc="Is this a prefetch request";
+
+ bool functionalRead(Packet *pkt) {
+ // Only PUTX messages contains the data block
+ if (Type == CoherenceRequestType:PUTX) {
+ return testAndRead(Addr, DataBlk, pkt);
+ }
+
+ return false;
+ }
+
+ bool functionalWrite(Packet *pkt) {
+ // No check on message type required since the protocol should
+ // read data from those messages that contain the block
+ return testAndWrite(Addr, DataBlk, pkt);
+ }
+}
+
+// ResponseMsg
+structure(ResponseMsg, desc="...", interface="NetworkMessage") {
+ Address Addr, desc="Physical address for this request";
+ CoherenceResponseType Type, desc="Type of response (Ack, Data, etc)";
+ MachineID Sender, desc="What component sent the data";
+ NetDest Destination, desc="Node to whom the data is sent";
+ DataBlock DataBlk, desc="Data for the cache line";
+ bool Dirty, default="false", desc="Dirty bit";
+ int AckCount, default="0", desc="number of acks in this message";
+ MessageSizeType MessageSize, desc="size category of the message";
+
+ bool functionalRead(Packet *pkt) {
+ // Valid data block is only present in message with following types
+ if (Type == CoherenceResponseType:DATA ||
+ Type == CoherenceResponseType:DATA_EXCLUSIVE ||
+ Type == CoherenceResponseType:MEMORY_DATA) {
+
+ return testAndRead(Addr, DataBlk, pkt);
+ }
+
+ return false;
+ }
+
+ bool functionalWrite(Packet *pkt) {
+ // No check on message type required since the protocol should
+ // read data from those messages that contain the block
+ return testAndWrite(Addr, DataBlk, pkt);
+ }
+}