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author | Steve Reinhardt <steve.reinhardt@amd.com> | 2009-02-16 08:56:40 -0800 |
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committer | Steve Reinhardt <steve.reinhardt@amd.com> | 2009-02-16 08:56:40 -0800 |
commit | 89a7fb03934b3e38c7d8b2c4818794b3ec874fdf (patch) | |
tree | 53a9b0877112908b1f6c3e5cad256a9b63a5de16 /src/mem/cache/base.hh | |
parent | 6923282fb5a9ba6af14d19be094839eefe1c34be (diff) | |
download | gem5-89a7fb03934b3e38c7d8b2c4818794b3ec874fdf.tar.xz |
Fixes to get prefetching working again.
Apparently we broke it with the cache rewrite and never noticed.
Thanks to Bao Yungang <baoyungang@gmail.com> for a significant part
of these changes (and for inspiring me to work on the rest).
Some other overdue cleanup on the prefetch code too.
Diffstat (limited to 'src/mem/cache/base.hh')
-rw-r--r-- | src/mem/cache/base.hh | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/src/mem/cache/base.hh b/src/mem/cache/base.hh index 601e9bd48..fe191fb1c 100644 --- a/src/mem/cache/base.hh +++ b/src/mem/cache/base.hh @@ -445,12 +445,6 @@ class BaseCache : public MemObject } } - Tick nextMSHRReadyTime() - { - return std::min(mshrQueue.nextMSHRReadyTime(), - writeBuffer.nextMSHRReadyTime()); - } - /** * Request the master bus for the given cause and time. * @param cause The reason for the request. @@ -467,10 +461,11 @@ class BaseCache : public MemObject */ void deassertMemSideBusRequest(RequestCause cause) { - // obsolete!! - assert(false); - // memSidePort->deassertBusRequest(cause); - // checkDrain(); + // Obsolete... we no longer signal bus requests explicitly so + // we can't deassert them. Leaving this in as a no-op since + // the prefetcher calls it to indicate that it no longer wants + // to request a prefetch, and someday that might be + // interesting again. } virtual unsigned int drain(Event *de); |