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-rw-r--r--src/mem/ruby/storebuffer/interface.cc67
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diff --git a/src/mem/ruby/storebuffer/interface.cc b/src/mem/ruby/storebuffer/interface.cc
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+/*
+ * Copyright (c) 1999-2008 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.
+ */
+
+#include "mem/ruby/libruby.hh"
+#include "writebuffer.hh"
+#include <iostream>
+
+writebuffer_status_t handleStore (writebuffer_t * writebuffer, const RubyRequest & request) {
+ assert(request.type == RubyRequestType_ST);
+ if (writebuffer->writeBufferFull()){
+ return WB_FULL;
+ }
+ else if (writebuffer->writeBufferFlushing()) {
+ return WB_FLUSHING;
+ }
+ else {
+ writebuffer->addToWriteBuffer(request);
+ return WB_OK;
+ }
+}
+
+uint64_t handleLoad(writebuffer_t * writebuffer, const RubyRequest & request) {
+ assert(request.type == RubyRequestType_LD);
+ return writebuffer->handleLoad(request);
+}
+
+uint64_t handleAtomic(writebuffer_t * writebuffer, const RubyRequest & request) {
+ // flush the store buffer
+ writebuffer->flushWriteBuffer();
+ // let writebuffer issue atomic
+ //return writebuffer->issueAtomic(request);
+}
+
+void flushSTB(writebuffer_t * writebuffer) {
+ // in in-order can't get a request to flushSTB if already flushing
+ // on out of order, have to check if already flushing
+ writebuffer->flushWriteBuffer();
+}
+
+void registerHitCallback(writebuffer_t * writebuffer, void (*hit_callback)(int64_t access_id)) {
+ writebuffer->registerHitCallback(hit_callback);
+}