summaryrefslogtreecommitdiff
path: root/src/mem/cache
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/cache')
-rw-r--r--src/mem/cache/BaseCache.py4
-rw-r--r--src/mem/cache/base_cache.cc5
-rw-r--r--src/mem/cache/base_cache.hh16
-rw-r--r--src/mem/cache/cache.hh6
-rw-r--r--src/mem/cache/cache_builder.cc3
-rw-r--r--src/mem/cache/cache_impl.hh23
6 files changed, 42 insertions, 15 deletions
diff --git a/src/mem/cache/BaseCache.py b/src/mem/cache/BaseCache.py
index 2bf44cdf9..f6d42b1ef 100644
--- a/src/mem/cache/BaseCache.py
+++ b/src/mem/cache/BaseCache.py
@@ -81,4 +81,8 @@ class BaseCache(MemObject):
"Only prefetch on data not on instruction accesses")
cpu_side = Port("Port on side closer to CPU")
mem_side = Port("Port on side closer to MEM")
+ cpu_side_filter_ranges = VectorParam.AddrRange([],
+ "What addresses shouldn't be passed through the side of the bridge")
+ mem_side_filter_ranges = VectorParam.AddrRange([],
+ "What addresses shouldn't be passed through the side of the bridge")
addr_range = VectorParam.AddrRange(AllMemory, "The address range in bytes")
diff --git a/src/mem/cache/base_cache.cc b/src/mem/cache/base_cache.cc
index b44468486..0c8b02cb3 100644
--- a/src/mem/cache/base_cache.cc
+++ b/src/mem/cache/base_cache.cc
@@ -40,9 +40,10 @@
using namespace std;
-BaseCache::CachePort::CachePort(const std::string &_name, BaseCache *_cache)
+BaseCache::CachePort::CachePort(const std::string &_name, BaseCache *_cache,
+ std::vector<Range<Addr> > filter_ranges)
: SimpleTimingPort(_name, _cache), cache(_cache), otherPort(NULL),
- blocked(false), mustSendRetry(false)
+ blocked(false), mustSendRetry(false), filterRanges(filter_ranges)
{
}
diff --git a/src/mem/cache/base_cache.hh b/src/mem/cache/base_cache.hh
index 719ab0245..6a4eec43e 100644
--- a/src/mem/cache/base_cache.hh
+++ b/src/mem/cache/base_cache.hh
@@ -98,7 +98,8 @@ class BaseCache : public MemObject
BaseCache *cache;
protected:
- CachePort(const std::string &_name, BaseCache *_cache);
+ CachePort(const std::string &_name, BaseCache *_cache,
+ std::vector<Range<Addr> > filter_ranges);
virtual void recvStatusChange(Status status);
@@ -124,6 +125,9 @@ class BaseCache : public MemObject
bool mustSendRetry;
+ /** filter ranges */
+ std::vector<Range<Addr> > filterRanges;
+
void requestBus(RequestCause cause, Tick time)
{
DPRINTF(CachePort, "Asserting bus request for cause %d\n", cause);
@@ -367,15 +371,21 @@ class BaseCache : public MemObject
*/
Counter maxMisses;
+ std::vector<Range<Addr> > cpuSideFilterRanges;
+ std::vector<Range<Addr> > memSideFilterRanges;
/**
* Construct an instance of this parameter class.
*/
Params(int _hitLatency, int _blkSize,
int _numMSHRs, int _numTargets, int _numWriteBuffers,
- Counter _maxMisses)
+ Counter _maxMisses,
+ std::vector<Range<Addr> > cpu_side_filter_ranges,
+ std::vector<Range<Addr> > mem_side_filter_ranges)
: hitLatency(_hitLatency), blkSize(_blkSize),
numMSHRs(_numMSHRs), numTargets(_numTargets),
- numWriteBuffers(_numWriteBuffers), maxMisses(_maxMisses)
+ numWriteBuffers(_numWriteBuffers), maxMisses(_maxMisses),
+ cpuSideFilterRanges(cpu_side_filter_ranges),
+ memSideFilterRanges(mem_side_filter_ranges)
{
}
};
diff --git a/src/mem/cache/cache.hh b/src/mem/cache/cache.hh
index 57028a05e..821fa9702 100644
--- a/src/mem/cache/cache.hh
+++ b/src/mem/cache/cache.hh
@@ -72,7 +72,8 @@ class Cache : public BaseCache
{
public:
CpuSidePort(const std::string &_name,
- Cache<TagStore> *_cache);
+ Cache<TagStore> *_cache,
+ std::vector<Range<Addr> > filterRanges);
// BaseCache::CachePort just has a BaseCache *; this function
// lets us get back the type info we lost when we stored the
@@ -95,7 +96,8 @@ class Cache : public BaseCache
{
public:
MemSidePort(const std::string &_name,
- Cache<TagStore> *_cache);
+ Cache<TagStore> *_cache,
+ std::vector<Range<Addr> > filterRanges);
// BaseCache::CachePort just has a BaseCache *; this function
// lets us get back the type info we lost when we stored the
diff --git a/src/mem/cache/cache_builder.cc b/src/mem/cache/cache_builder.cc
index 4c9592a1b..0f8b52af2 100644
--- a/src/mem/cache/cache_builder.cc
+++ b/src/mem/cache/cache_builder.cc
@@ -241,7 +241,8 @@ BaseCacheParams::create()
// Build BaseCache param object
BaseCache::Params base_params(latency, block_size,
mshrs, tgts_per_mshr, write_buffers,
- max_miss_count);
+ max_miss_count, cpu_side_filter_ranges,
+ mem_side_filter_ranges);
//Warnings about prefetcher policy
if (prefetch_policy == Enums::none) {
diff --git a/src/mem/cache/cache_impl.hh b/src/mem/cache/cache_impl.hh
index d144266ed..402e34db2 100644
--- a/src/mem/cache/cache_impl.hh
+++ b/src/mem/cache/cache_impl.hh
@@ -39,6 +39,7 @@
#include "sim/host.hh"
#include "base/misc.hh"
+#include "base/range_ops.hh"
#include "mem/cache/cache.hh"
#include "mem/cache/cache_blk.hh"
@@ -61,8 +62,10 @@ Cache<TagStore>::Cache(const std::string &_name,
tempBlock = new BlkType();
tempBlock->data = new uint8_t[blkSize];
- cpuSidePort = new CpuSidePort(_name + "-cpu_side_port", this);
- memSidePort = new MemSidePort(_name + "-mem_side_port", this);
+ cpuSidePort = new CpuSidePort(_name + "-cpu_side_port", this,
+ params.baseParams.cpuSideFilterRanges);
+ memSidePort = new MemSidePort(_name + "-mem_side_port", this,
+ params.baseParams.memSideFilterRanges);
cpuSidePort->setOtherPort(memSidePort);
memSidePort->setOtherPort(cpuSidePort);
@@ -88,7 +91,8 @@ Cache<TagStore>::getPort(const std::string &if_name, int idx)
} else if (if_name == "mem_side") {
return memSidePort;
} else if (if_name == "functional") {
- return new CpuSidePort(name() + "-cpu_side_funcport", this);
+ return new CpuSidePort(name() + "-cpu_side_funcport", this,
+ std::vector<Range<Addr> >());
} else {
panic("Port name %s unrecognized\n", if_name);
}
@@ -1221,6 +1225,7 @@ getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
// CPU side port doesn't snoop; it's a target only.
bool dummy;
otherPort->getPeerAddressRanges(resp, dummy);
+ FilterRangeList(filterRanges, resp);
snoop = false;
}
@@ -1262,8 +1267,9 @@ Cache<TagStore>::CpuSidePort::recvFunctional(PacketPtr pkt)
template<class TagStore>
Cache<TagStore>::
CpuSidePort::CpuSidePort(const std::string &_name,
- Cache<TagStore> *_cache)
- : BaseCache::CachePort(_name, _cache)
+ Cache<TagStore> *_cache, std::vector<Range<Addr> >
+ filterRanges)
+ : BaseCache::CachePort(_name, _cache, filterRanges)
{
}
@@ -1279,6 +1285,8 @@ Cache<TagStore>::MemSidePort::
getDeviceAddressRanges(AddrRangeList &resp, bool &snoop)
{
otherPort->getPeerAddressRanges(resp, snoop);
+ FilterRangeList(filterRanges, resp);
+
// Memory-side port always snoops, so unconditionally set flag for
// caller.
snoop = true;
@@ -1416,8 +1424,9 @@ Cache<TagStore>::MemSidePort::processSendEvent()
template<class TagStore>
Cache<TagStore>::
-MemSidePort::MemSidePort(const std::string &_name, Cache<TagStore> *_cache)
- : BaseCache::CachePort(_name, _cache)
+MemSidePort::MemSidePort(const std::string &_name, Cache<TagStore> *_cache,
+ std::vector<Range<Addr> > filterRanges)
+ : BaseCache::CachePort(_name, _cache, filterRanges)
{
// override default send event from SimpleTimingPort
delete sendEvent;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-15 10:13:01 +0000