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Diffstat (limited to 'src/mem/ruby/storebuffer/interface.cc')
-rw-r--r-- | src/mem/ruby/storebuffer/interface.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/mem/ruby/storebuffer/interface.cc b/src/mem/ruby/storebuffer/interface.cc new file mode 100644 index 000000000..1ee6ee3a0 --- /dev/null +++ b/src/mem/ruby/storebuffer/interface.cc @@ -0,0 +1,67 @@ +/* + * 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); +} |