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authorNilay Vaish <nilay@cs.wisc.edu>2013-05-21 11:32:15 -0500
committerNilay Vaish <nilay@cs.wisc.edu>2013-05-21 11:32:15 -0500
commite7ce518168bea2e458ba654cf75d689d0d095ce7 (patch)
treeffdb7f3bcf0ce5d1ee393446c0023900d7dc6606 /src/mem/protocol/MOESI_CMP_directory-dir.sm
parent9bc75e3c5872d44c70406382cf22a4da2804ee0c (diff)
downloadgem5-e7ce518168bea2e458ba654cf75d689d0d095ce7.tar.xz
ruby: moesi cmp directory: cosmetic changes
Updates copyright years, removes space at the end of lines, shortens variable names.
Diffstat (limited to 'src/mem/protocol/MOESI_CMP_directory-dir.sm')
-rw-r--r--src/mem/protocol/MOESI_CMP_directory-dir.sm22
1 files changed, 10 insertions, 12 deletions
diff --git a/src/mem/protocol/MOESI_CMP_directory-dir.sm b/src/mem/protocol/MOESI_CMP_directory-dir.sm
index 57ef10ae1..219cb51b7 100644
--- a/src/mem/protocol/MOESI_CMP_directory-dir.sm
+++ b/src/mem/protocol/MOESI_CMP_directory-dir.sm
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
+ * Copyright (c) 1999-2013 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -26,11 +26,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-/*
- * $Id$
- */
-
-machine(Directory, "Directory protocol")
+machine(Directory, "Directory protocol")
: DirectoryMemory * directory,
MemoryControl * memBuffer,
Cycles directory_latency = 6
@@ -39,7 +35,7 @@ machine(Directory, "Directory protocol")
// ** IN QUEUES **
MessageBuffer requestToDir, network="From", virtual_network="1", ordered="false", vnet_type="request"; // a mod-L2 bank -> this Dir
MessageBuffer responseToDir, network="From", virtual_network="2", ordered="false", vnet_type="response"; // a mod-L2 bank -> this Dir
-
+
MessageBuffer forwardFromDir, network="To", virtual_network="1", ordered="false", vnet_type="forward";
MessageBuffer responseFromDir, network="To", virtual_network="2", ordered="false", vnet_type="response"; // Dir -> mod-L2 bank
@@ -196,7 +192,8 @@ machine(Directory, "Directory protocol")
return getDirectoryEntry(addr).DataBlk;
}
- // if no sharers, then directory can be considered both a sharer and exclusive w.r.t. coherence checking
+ // if no sharers, then directory can be considered
+ // both a sharer and exclusive w.r.t. coherence checking
bool isBlockShared(Address addr) {
if (directory.isPresent(addr)) {
if (getDirectoryEntry(addr).DirectoryState == State:I) {
@@ -219,7 +216,6 @@ machine(Directory, "Directory protocol")
// ** OUT_PORTS **
out_port(forwardNetwork_out, RequestMsg, forwardFromDir);
out_port(responseNetwork_out, ResponseMsg, responseFromDir);
-// out_port(requestQueue_out, ResponseMsg, requestFromDir); // For recycling requests
out_port(memQueue_out, MemoryMsg, memBuffer);
// ** IN_PORTS **
@@ -422,7 +418,8 @@ machine(Directory, "Directory protocol")
action(g_sendInvalidations, "g", desc="Send invalidations to sharers, not including the requester") {
peek(requestQueue_in, RequestMsg) {
if ((getDirectoryEntry(in_msg.Address).Sharers.count() > 1) ||
- ((getDirectoryEntry(in_msg.Address).Sharers.count() > 0) && (getDirectoryEntry(in_msg.Address).Sharers.isElement(in_msg.Requestor) == false))) {
+ ((getDirectoryEntry(in_msg.Address).Sharers.count() > 0) &&
+ (getDirectoryEntry(in_msg.Address).Sharers.isElement(in_msg.Requestor) == false))) {
enqueue(forwardNetwork_out, RequestMsg, latency=directory_latency) {
out_msg.Address := address;
out_msg.Type := CoherenceRequestType:INV;
@@ -509,7 +506,8 @@ machine(Directory, "Directory protocol")
out_msg.MessageSize := in_msg.MessageSize;
//out_msg.Prefetch := false;
// These are not used by memory but are passed back here with the read data:
- out_msg.ReadX := (in_msg.Type == CoherenceRequestType:GETS && getDirectoryEntry(address).Sharers.count() == 0);
+ out_msg.ReadX := (in_msg.Type == CoherenceRequestType:GETS &&
+ getDirectoryEntry(address).Sharers.count() == 0);
out_msg.Acks := getDirectoryEntry(address).Sharers.count();
if (getDirectoryEntry(address).Sharers.isElement(in_msg.Requestor)) {
out_msg.Acks := out_msg.Acks - 1;
@@ -606,7 +604,7 @@ machine(Directory, "Directory protocol")
action(l_writeDMADataToMemoryFromTBE, "\ll", desc="Write data from a DMA_WRITE to memory") {
assert(is_valid(tbe));
- getDirectoryEntry(address).DataBlk.copyPartial(tbe.DataBlk,
+ getDirectoryEntry(address).DataBlk.copyPartial(tbe.DataBlk,
addressOffset(tbe.PhysicalAddress), tbe.Len);
}