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Diffstat (limited to 'src/mem/cache/prefetch/base.cc')
-rw-r--r--src/mem/cache/prefetch/base.cc33
1 files changed, 21 insertions, 12 deletions
diff --git a/src/mem/cache/prefetch/base.cc b/src/mem/cache/prefetch/base.cc
index ed7b63f82..c440978e6 100644
--- a/src/mem/cache/prefetch/base.cc
+++ b/src/mem/cache/prefetch/base.cc
@@ -122,9 +122,9 @@ BasePrefetcher::regStats()
}
inline bool
-BasePrefetcher::inCache(Addr addr)
+BasePrefetcher::inCache(Addr addr, bool is_secure)
{
- if (cache->inCache(addr)) {
+ if (cache->inCache(addr, is_secure)) {
pfCacheHit++;
return true;
}
@@ -132,9 +132,9 @@ BasePrefetcher::inCache(Addr addr)
}
inline bool
-BasePrefetcher::inMissQueue(Addr addr)
+BasePrefetcher::inMissQueue(Addr addr, bool is_secure)
{
- if (cache->inMissQueue(addr)) {
+ if (cache->inMissQueue(addr, is_secure)) {
pfMSHRHit++;
return true;
}
@@ -157,12 +157,14 @@ BasePrefetcher::getPacket()
pf.pop_front();
Addr blk_addr = pkt->getAddr() & ~(Addr)(blkSize-1);
+ bool is_secure = pkt->isSecure();
- if (!inCache(blk_addr) && !inMissQueue(blk_addr))
+ if (!inCache(blk_addr, is_secure) && !inMissQueue(blk_addr, is_secure))
// we found a prefetch, return it
break;
- DPRINTF(HWPrefetch, "addr 0x%x in cache, skipping\n", pkt->getAddr());
+ DPRINTF(HWPrefetch, "addr 0x%x (%s) in cache, skipping\n",
+ pkt->getAddr(), is_secure ? "s" : "ns");
delete pkt->req;
delete pkt;
@@ -174,7 +176,8 @@ BasePrefetcher::getPacket()
pfIssued++;
assert(pkt != NULL);
- DPRINTF(HWPrefetch, "returning 0x%x\n", pkt->getAddr());
+ DPRINTF(HWPrefetch, "returning 0x%x (%s)\n", pkt->getAddr(),
+ pkt->isSecure() ? "s" : "ns");
return pkt;
}
@@ -185,12 +188,15 @@ BasePrefetcher::notify(PacketPtr &pkt, Tick tick)
if (!pkt->req->isUncacheable() && !(pkt->req->isInstFetch() && onlyData)) {
// Calculate the blk address
Addr blk_addr = pkt->getAddr() & ~(Addr)(blkSize-1);
+ bool is_secure = pkt->isSecure();
// Check if miss is in pfq, if so remove it
- std::list<DeferredPacket>::iterator iter = inPrefetch(blk_addr);
+ std::list<DeferredPacket>::iterator iter = inPrefetch(blk_addr,
+ is_secure);
if (iter != pf.end()) {
DPRINTF(HWPrefetch, "Saw a miss to a queued prefetch addr: "
- "0x%x, removing it\n", blk_addr);
+ "0x%x (%s), removing it\n", blk_addr,
+ is_secure ? "s" : "ns");
pfRemovedMSHR++;
delete iter->pkt->req;
delete iter->pkt;
@@ -239,7 +245,7 @@ BasePrefetcher::notify(PacketPtr &pkt, Tick tick)
addr, *delayIter, time);
// Check if it is already in the pf buffer
- if (inPrefetch(addr) != pf.end()) {
+ if (inPrefetch(addr, is_secure) != pf.end()) {
pfBufferHit++;
DPRINTF(HWPrefetch, "Prefetch addr already in pf buffer\n");
continue;
@@ -247,6 +253,8 @@ BasePrefetcher::notify(PacketPtr &pkt, Tick tick)
// create a prefetch memreq
Request *prefetchReq = new Request(*addrIter, blkSize, 0, masterId);
+ if (is_secure)
+ prefetchReq->setFlags(Request::SECURE);
prefetchReq->taskId(ContextSwitchTaskId::Prefetcher);
PacketPtr prefetch =
new Packet(prefetchReq, MemCmd::HardPFReq);
@@ -274,12 +282,13 @@ BasePrefetcher::notify(PacketPtr &pkt, Tick tick)
}
std::list<BasePrefetcher::DeferredPacket>::iterator
-BasePrefetcher::inPrefetch(Addr address)
+BasePrefetcher::inPrefetch(Addr address, bool is_secure)
{
// Guaranteed to only be one match, we always check before inserting
std::list<DeferredPacket>::iterator iter;
for (iter = pf.begin(); iter != pf.end(); iter++) {
- if ((iter->pkt->getAddr() & ~(Addr)(blkSize-1)) == address) {
+ if (((*iter).pkt->getAddr() & ~(Addr)(blkSize-1)) == address &&
+ (*iter).pkt->isSecure() == is_secure) {
return iter;
}
}