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-rw-r--r--configs/common/Caches.py1
-rw-r--r--configs/common/O3_ARM_v7a.py2
-rwxr-xr-xsrc/arch/arm/stage2_mmu.hh34
-rw-r--r--src/arch/x86/pagetable_walker.hh8
4 files changed, 3 insertions, 42 deletions
diff --git a/configs/common/Caches.py b/configs/common/Caches.py
index 9f7ac7a85..6687a967c 100644
--- a/configs/common/Caches.py
+++ b/configs/common/Caches.py
@@ -79,4 +79,5 @@ class PageTableWalkerCache(BaseCache):
mshrs = 10
size = '1kB'
tgts_per_mshr = 12
+ forward_snoops = False
is_top_level = True
diff --git a/configs/common/O3_ARM_v7a.py b/configs/common/O3_ARM_v7a.py
index 1bb2b4a5e..c291525ea 100644
--- a/configs/common/O3_ARM_v7a.py
+++ b/configs/common/O3_ARM_v7a.py
@@ -174,7 +174,7 @@ class O3_ARM_v7aWalkCache(BaseCache):
assoc = 8
write_buffers = 16
is_top_level = True
-
+ forward_snoops = False
# L2 Cache
class O3_ARM_v7aL2(BaseCache):
diff --git a/src/arch/arm/stage2_mmu.hh b/src/arch/arm/stage2_mmu.hh
index 41a10e623..132d1b7f5 100755
--- a/src/arch/arm/stage2_mmu.hh
+++ b/src/arch/arm/stage2_mmu.hh
@@ -57,40 +57,8 @@ class Stage2MMU : public SimObject
protected:
- /**
- * A snooping DMA port that currently does nothing besides
- * extending the DMA port to accept snoops without
- * complaining. Currently we take no action on any snoops.
- */
- class SnoopingDmaPort : public DmaPort
- {
-
- protected:
-
- virtual void recvTimingSnoopReq(PacketPtr pkt)
- { }
-
- virtual Tick recvAtomicSnoop(PacketPtr pkt)
- { return 0; }
-
- virtual void recvFunctionalSnoop(PacketPtr pkt)
- { }
-
- virtual bool isSnooping() const { return true; }
-
- public:
-
- /**
- * A snooping DMA port merely calls the construtor of the DMA
- * port.
- */
- SnoopingDmaPort(MemObject *dev, System *s) :
- DmaPort(dev, s)
- { }
- };
-
/** Port to issue translation requests from */
- SnoopingDmaPort port;
+ DmaPort port;
/** Request id for requests generated by this MMU */
MasterID masterId;
diff --git a/src/arch/x86/pagetable_walker.hh b/src/arch/x86/pagetable_walker.hh
index 181d6fb6c..9be35e6cc 100644
--- a/src/arch/x86/pagetable_walker.hh
+++ b/src/arch/x86/pagetable_walker.hh
@@ -70,15 +70,7 @@ namespace X86ISA
Walker *walker;
bool recvTimingResp(PacketPtr pkt);
-
- /**
- * Snooping a coherence request, do nothing.
- */
- void recvTimingSnoopReq(PacketPtr pkt) { }
- Tick recvAtomicSnoop(PacketPtr pkt) { return 0; }
- void recvFunctionalSnoop(PacketPtr pkt) { }
void recvReqRetry();
- bool isSnooping() const { return true; }
};
friend class WalkerPort;