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| author | Steve Reinhardt <steve.reinhardt@amd.com> | 2009-03-10 17:37:15 -0700 |
|---|---|---|
| committer | Steve Reinhardt <steve.reinhardt@amd.com> | 2009-03-10 17:37:15 -0700 |
| commit | a94c68228a29562c382a4587ce9cf18101f9babc (patch) | |
| tree | c7b2216e26f73058c0f1ca06c0933e31cec1559d /src/mem/cache/prefetch/stride.cc | |
| parent | ac64586a99cad5aa8daf4346e1f6021764dbca1b (diff) | |
| download | gem5-a94c68228a29562c382a4587ce9cf18101f9babc.tar.xz | |
prefetch: don't panic on requests w/o contextID (e.g., writebacks).
Diffstat (limited to 'src/mem/cache/prefetch/stride.cc')
| -rw-r--r-- | src/mem/cache/prefetch/stride.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mem/cache/prefetch/stride.cc b/src/mem/cache/prefetch/stride.cc index cfd2469fa..8af4e615e 100644 --- a/src/mem/cache/prefetch/stride.cc +++ b/src/mem/cache/prefetch/stride.cc @@ -46,6 +46,11 @@ StridePrefetcher::calculatePrefetch(PacketPtr &pkt, std::list<Addr> &addresses, return; } + if (useContextId && !pkt->req->hasContextId()) { + DPRINTF(HWPrefetch, "ignoring request with no context ID"); + return; + } + Addr blk_addr = pkt->getAddr() & ~(Addr)(blkSize-1); int ctx_id = useContextId ? pkt->req->contextId() : 0; Addr pc = pkt->req->getPC(); |