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-rw-r--r--src/mem/ruby/storebuffer/SConscript37
-rw-r--r--src/mem/ruby/storebuffer/stb_interface.cc85
-rw-r--r--src/mem/ruby/storebuffer/stb_interface.hh38
-rw-r--r--src/mem/ruby/storebuffer/storebuffer.cc299
-rw-r--r--src/mem/ruby/storebuffer/storebuffer.hh151
5 files changed, 0 insertions, 610 deletions
diff --git a/src/mem/ruby/storebuffer/SConscript b/src/mem/ruby/storebuffer/SConscript
deleted file mode 100644
index f546b9e60..000000000
--- a/src/mem/ruby/storebuffer/SConscript
+++ /dev/null
@@ -1,37 +0,0 @@
-# -*- mode:python -*-
-
-# Copyright (c) 2009 The Hewlett-Packard Development Company
-# 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.
-#
-# Authors: Nathan Binkert
-
-Import('*')
-
-if not env['RUBY']:
- Return()
-
-Source('stb_interface.cc')
-Source('storebuffer.cc')
diff --git a/src/mem/ruby/storebuffer/stb_interface.cc b/src/mem/ruby/storebuffer/stb_interface.cc
deleted file mode 100644
index e3d6f29ed..000000000
--- a/src/mem/ruby/storebuffer/stb_interface.cc
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * 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 <iostream>
-
-#include "mem/ruby/storebuffer/stb_interface.hh"
-
-StoreBuffer *
-createNewSTB(uint32 id, uint32 block_bits, int storebuffer_size)
-{
- StoreBuffer *stb = new StoreBuffer(id, block_bits, storebuffer_size);
- return stb;
-}
-
-storebuffer_status_t
-handleStore(StoreBuffer *storebuffer, const RubyRequest &request)
-{
- assert(request.type == RubyRequestType_ST);
- if (storebuffer->storeBufferFull()){
- return WB_FULL;
- } else if (storebuffer->storeBufferFlushing()) {
- return WB_FLUSHING;
- } else {
- storebuffer->addToStoreBuffer(request);
- return WB_OK;
- }
-}
-
-uint64_t
-handleLoad(StoreBuffer *storebuffer, const RubyRequest &request)
-{
- assert(request.type == RubyRequestType_LD);
- return storebuffer->handleLoad(request);
-}
-
-#if 0
-uint64_t
-handleAtomic(StoreBuffer *storebuffer, const RubyRequest &request)
-{
- // flush the store buffer
- storebuffer->flushStoreBuffer();
- // let storebuffer issue atomic
- // return storebuffer->issueAtomic(request);
-}
-#endif
-
-void
-flushSTB(StoreBuffer *storebuffer)
-{
- // in in-order can't get a request to flushSTB if already flushing
- // on out of order, have to check if already flushing
- storebuffer->flushStoreBuffer();
-}
-
-void
-registerHitCallback(StoreBuffer *storebuffer,
- void (*hit_callback)(int64_t access_id))
-{
- storebuffer->registerHitCallback(hit_callback);
-}
diff --git a/src/mem/ruby/storebuffer/stb_interface.hh b/src/mem/ruby/storebuffer/stb_interface.hh
deleted file mode 100644
index b7f1b152d..000000000
--- a/src/mem/ruby/storebuffer/stb_interface.hh
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * 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/storebuffer/storebuffer.hh"
-
-StoreBuffer *createNewSTB(uint32 id, uint32 block_bits, int storebuffer_size);
-storebuffer_status_t handleStore(StoreBuffer *storebuffer,
- const RubyRequest &request);
-uint64_t handleLoad(StoreBuffer *storebuffer, const RubyRequest &request);
-uint64_t handleAtomic(StoreBuffer *storebuffer, const RubyRequest &request);
-void flushSTB(StoreBuffer *storebuffer);
-void registerHitCallback(StoreBuffer *storebuffer,
- void (*hit_callback)(int64_t access_id));
diff --git a/src/mem/ruby/storebuffer/storebuffer.cc b/src/mem/ruby/storebuffer/storebuffer.cc
deleted file mode 100644
index 0accf138d..000000000
--- a/src/mem/ruby/storebuffer/storebuffer.cc
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * 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 <cassert>
-#include <cstdio>
-#include <map>
-
-#include "base/trace.hh"
-#include "mem/ruby/common/Global.hh"
-#include "mem/ruby/storebuffer/storebuffer.hh"
-
-using namespace std;
-
-#define SYSTEM_EXIT assert(0)
-
-// global map of request id_s to map them back to storebuffer pointers
-map<uint64_t, StoreBuffer *> request_map;
-
-void
-hit(int64_t id)
-{
- if (request_map.find(id) == request_map.end()) {
- panic("Request ID %d not found in the map\n", id);
- } else {
- request_map[id]->complete(id);
- request_map.erase(id);
- }
-}
-
-StoreBuffer::StoreBuffer(uint32 id, uint32 block_bits, int storebuffer_size)
-{
- iseq = 0;
- tso_iseq = 0;
- char name [] = "Sequencer_";
- char port_name [13];
- sprintf(port_name, "%s%d", name, id);
- m_hit_callback = NULL;
- assert(storebuffer_size >= 0);
- m_storebuffer_size = storebuffer_size;
- m_id = id;
- m_block_size = 1 << block_bits;
- m_block_mask = ~(m_block_size - 1);
- m_buffer_size = 0;
- m_storebuffer_full = false;
- m_storebuffer_flushing = false;
- m_stalled_issue = true;
-}
-
-StoreBuffer::~StoreBuffer()
-{
-}
-
-void
-StoreBuffer::registerHitCallback(void (*hit_callback)(int64_t request_id))
-{
- assert(m_hit_callback == NULL); // can't assign hit_callback twice
- m_hit_callback = hit_callback;
-}
-
-
-void
-StoreBuffer::addToStoreBuffer(RubyRequest request)
-{
- buffer.push_front(SBEntry(request, NULL));
-
- m_buffer_size++;
-
- if (m_buffer_size >= m_storebuffer_size) {
- m_storebuffer_full = true;
- } else if (m_stalled_issue) {
- m_stalled_issue = false;
- issueNextStore();
- }
-
- iseq++;
-}
-
-
-// Return value of -2 indicates that the load request was satisfied by
-// the store buffer
-// Return value of -3 indicates a partial match, so the load has to
-// retry until NO_MATCH
-// Alternatively we could satisfy the partial match, but tso gets
-// complicated and more races
-int64_t
-StoreBuffer::handleLoad(RubyRequest request)
-{
- load_match match = checkForLoadHit(request);
- if (match == FULL_MATCH) {
- // fill data
- returnMatchedData(request);
- iseq++;
- return -2;
- } else { // partial match
- return -3;
- }
-}
-
-// This function will fill the data array if any match is found
-load_match
-StoreBuffer::checkForLoadHit(RubyRequest request)
-{
- physical_address_t physical_address = request.paddr;
- int len = request.len;
-
- uint8_t * data = new uint8_t[64];
- memset(data, 0, 64);
- for (int i = physical_address % 64; i < len; i++)
- data[i] = 1;
-
- bool found = false;
- physical_address_t lineaddr = physical_address & m_block_mask;
-
- // iterate over the buffer looking for hits
- deque<SBEntry>::iterator it = buffer.begin();
- for (; it != buffer.end(); it++) {
- RubyRequest &req = it->m_request;
- if ((req.paddr & m_block_mask) != lineaddr)
- continue;
-
- found = true;
- for (int i = req.paddr % 64; i < req.len; i++)
- data[i] = 0;
- }
-
- // if any matching entry is found, determine if all the
- // requested bytes have been matched
- if (found) {
- assert(m_buffer_size > 0);
- int unmatched_bytes = 0;
- for (int i = physical_address%64; i < len; i++) {
- unmatched_bytes = unmatched_bytes + data[i];
- }
- if (unmatched_bytes == 0) {
- delete data;
- return FULL_MATCH;
- } else {
- delete data;
- return PARTIAL_MATCH;
- }
- } else {
- delete data;
- return NO_MATCH;
- }
-}
-
-void
-StoreBuffer::returnMatchedData(RubyRequest request)
-{
- if (!m_use_storebuffer) {
- panic("returnMatchedData called while write buffer is not in use\n");
- }
-
- uint8_t * data = new uint8_t[64];
- memset(data, 0, 64);
- uint8_t * written = new uint8_t[64];
- memset(written, 0, 64);
-
- physical_address_t physical_address = request.paddr;
- int len = request.len;
-
- assert(checkForLoadHit(request) != NO_MATCH);
- physical_address_t lineaddr = physical_address & m_block_mask;
- bool found = false;
- deque<SBEntry>::iterator satisfying_store;
- deque<SBEntry>::iterator it = buffer.begin();
- for (; it != buffer.end(); it++) {
- if ((it->m_request.paddr & m_block_mask) == lineaddr) {
- if (!found) {
- found = true;
- }
- uint8_t * dataPtr = it->m_request.data;
- int offset = it->m_request.paddr%64;
- for (int i = offset; i < it->m_request.len; i++) {
- if (!written[i]) { // don't overwrite data with earlier data
- data[i] = dataPtr[i-offset];
- written[i] = 1;
- }
- }
- }
- }
-
- int i = physical_address%64;
- for (int j = 0; (i < physical_address%64 + len) && (j < len); i++, j++) {
- if (written[i]) {
- request.data[j] = data[i];
- }
- }
-
- delete data;
- delete written;
-}
-
-void
-StoreBuffer::flushStoreBuffer()
-{
- if (!m_use_storebuffer) {
- // do nothing
- return;
- }
-
- m_storebuffer_flushing = (m_buffer_size > 0);
-}
-
-void
-StoreBuffer::issueNextStore()
-{
-}
-
-void
-StoreBuffer::complete(uint64_t id)
-{
- if (!m_use_storebuffer) {
- m_hit_callback(id);
- return;
- }
-
- assert(outstanding_requests.find(id) != outstanding_requests.end());
- physical_address_t physical_address =
- outstanding_requests.find(id)->second.paddr;
- RubyRequestType type = outstanding_requests.find(id)->second.type;
-
- if (type == RubyRequestType_ST) {
- physical_address_t lineaddr = physical_address & m_block_mask;
-
- // Note fastpath hits are handled like regular requests - they
- // must remove the WB entry!
- if (lineaddr != physical_address) {
- warn("error: StoreBuffer: ruby returns pa 0x%0llx "
- "which is not a cache line: 0x%0llx\n",
- physical_address, lineaddr);
- }
-
- SBEntry from_buffer = buffer.back();
- if ((from_buffer.m_request.paddr & m_block_mask) == lineaddr &&
- from_buffer.m_request.type == type) {
- buffer.pop_back();
- m_buffer_size--;
- assert(m_buffer_size >= 0);
-
- // schedule the next request
- if (m_buffer_size > 0) {
- issueNextStore();
- } else if (m_buffer_size == 0) {
- m_storebuffer_flushing = false;
- m_stalled_issue = true;
- }
-
- m_storebuffer_full = false;
- } else {
- panic("[%d] error: StoreBuffer: at complete, address 0x%0llx "
- "not found.\n"
- "StoreBuffer:: complete FAILS\n",
- m_id, lineaddr);
- }
-
- } else if (type == RubyRequestType_LD) {
- m_hit_callback(id);
- }
-
- // LD, ST or FETCH hit callback
- outstanding_requests.erase(id);
-}
-
-void
-StoreBuffer::print()
-{
- DPRINTF(RubyStorebuffer, "[%d] StoreBuffer: Total entries: %d "
- "Outstanding: %d\n",
- m_id, m_storebuffer_size, m_buffer_size);
-
- if (!m_use_storebuffer)
- DPRINTF(RubyStorebuffer, "\t WRITE BUFFER NOT USED\n");
-}
diff --git a/src/mem/ruby/storebuffer/storebuffer.hh b/src/mem/ruby/storebuffer/storebuffer.hh
deleted file mode 100644
index b2b8483fd..000000000
--- a/src/mem/ruby/storebuffer/storebuffer.hh
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef __MEM_RUBY_STOREBUFFER_STOREBUFFER_HH__
-#define __MEM_RUBY_STOREBUFFER_STOREBUFFER_HH__
-
-#include <deque>
-#include <map>
-
-#include "mem/ruby/common/TypeDefines.hh"
-#include "mem/ruby/slicc_interface/RubyRequest.hh"
-
-/**
- * Status for write buffer accesses. The Write buffer can hit in
- * fastpath, be full, or successfully enqueue the store request
- */
-enum storebuffer_status_t { WB_FULL, WB_OK, WB_FLUSHING };
-
-/**
- * Status of a load match
- */
-enum load_match { NO_MATCH, PARTIAL_MATCH, FULL_MATCH };
-
-struct SBEntry
-{
- RubyRequest m_request;
-
- SBEntry(RubyRequest request, void * ptr)
- : m_request(request)
- {
- }
-};
-
-class StoreBuffer
-{
- public:
- /// Note that the size of the Write Buffer is determined by the
- /// WRITE_BUFFER_SIZE config parameter
- StoreBuffer(uint32_t id, uint32_t block_bits, int storebuffer_size);
-
- ~StoreBuffer();
-
- /// Register hitcallback back to CPU
- void registerHitCallback(void (*hit_callback)(int64_t request_id));
-
- ///Adds a store entry to the write buffer
- void addToStoreBuffer(RubyRequest request);
-
- ///Flushes the entire write buffer
- void flushStoreBuffer();
-
- ///A pseq object calls this when Ruby completes our request
- void complete(uint64_t);
-
- /// Returns ID. If ID == -2, HIT, else it's an ID to wait on
- int64_t handleLoad(RubyRequest request);
-
- /// Used by all load insts to check whether it hits to any entry
- /// in the WB. If so, the WB is flushed
- load_match checkForLoadHit(RubyRequest request);
-
- /// Used to fill the load in case of FULL_MATCH
- void returnMatchedData(RubyRequest request);
-
- /// Issue next store in line
- void issueNextStore();
-
- /// prints out the contents of the Write Buffer
- void print();
-
- /// Returns flag indicating whether we are using the write buffer
- bool useStoreBuffer() { return m_use_storebuffer; }
-
- bool storeBufferFull() { return m_storebuffer_full; }
-
- bool storeBufferFlushing() { return m_storebuffer_flushing; }
-
- private:
- /// id of this write buffer (one per sequencer object)
- uint32_t m_id;
-
- /// number of bytes in cacheline
- uint32_t m_block_size;
-
- /// the size of the write buffer
- uint32_t m_storebuffer_size;
-
- /// mask to strip off non-cache line bits
- pa_t m_block_mask;
-
- /// list of store requests in the write buffer
- std::deque<SBEntry> buffer;
-
- /// the current length of the write buffer
- uint32_t m_buffer_size;
-
- /// whether we want to simulate the write buffer or not:
- bool m_use_storebuffer;
-
- /// indicates whether the write buffer is full or not
- bool m_storebuffer_full;
-
- /// indicates that we are currently flushing the write buffer
- bool m_storebuffer_flushing;
-
- /// indicates that automatic issue is stalled and the next store
- /// to be added should issue itself
- bool m_stalled_issue;
-
- /// RubyPort to make requests to
- RubyPortHandle m_port;
-
- /// HitCallback to CPU
- void (*m_hit_callback)(int64_t);
-
- /// Map the request id to rubyrequest
- std::map<uint64_t, RubyRequest> outstanding_requests;
-
- /// current instruction counter
- uint64_t iseq;
-
- /// input into tso counter
- uint64_t tso_iseq;
-};
-
-#endif // __MEM_RUBY_STOREBUFFER_STOREBUFFER_HH__