TLB: Make a TLB base class and put a virtual demapPage function in it.

--HG--
extra : convert_revision : cc0e62a5a337fd5bf332ad33bed61c0d505a936f

8 files changed, 28 insertions, 12 deletions

diff --git a/src/arch/alpha/tlb.cc b/src/arch/alpha/tlb.cc
index 2e974effe..77bf5e285 100644
--- a/src/arch/alpha/tlb.cc
+++ b/src/arch/alpha/tlb.cc
@@ -58,7 +58,7 @@ bool uncacheBit40 = false;
 #define MODE2MASK(X)			(1 << (X))
 
 TLB::TLB(const Params *p)
-    : SimObject(p), size(p->size), nlu(0)
+    : BaseTLB(p), size(p->size), nlu(0)
 {
     table = new TlbEntry[size];
     memset(table, 0, sizeof(TlbEntry[size]));
diff --git a/src/arch/alpha/tlb.hh b/src/arch/alpha/tlb.hh
index 69a33f32d..e61ae5c6d 100644
--- a/src/arch/alpha/tlb.hh
+++ b/src/arch/alpha/tlb.hh
@@ -44,7 +44,7 @@
 #include "params/AlphaDTB.hh"
 #include "params/AlphaITB.hh"
 #include "sim/faults.hh"
-#include "sim/sim_object.hh"
+#include "sim/tlb.hh"
 
 class ThreadContext;
 
@@ -52,7 +52,7 @@ namespace AlphaISA
 {
     class TlbEntry;
 
-    class TLB : public SimObject
+    class TLB : public BaseTLB
     {
       protected:
         typedef std::multimap<Addr, int> PageTable;
@@ -79,6 +79,12 @@ namespace AlphaISA
         void flushProcesses();
         void flushAddr(Addr addr, uint8_t asn);
 
+        void demapPage(Addr vaddr, uint64_t asn)
+        {
+            assert(asn < (1 << 8));
+            flushAddr(vaddr, asn);
+        }
+
         // static helper functions... really EV5 VM traits
         static bool validVirtualAddress(Addr vaddr) {
             // unimplemented bits must be all 0 or all 1
diff --git a/src/arch/mips/tlb.cc b/src/arch/mips/tlb.cc
index 4923e3e3a..d78aefab4 100644
--- a/src/arch/mips/tlb.cc
+++ b/src/arch/mips/tlb.cc
@@ -62,7 +62,7 @@ using namespace MipsISA;
 #define MODE2MASK(X)			(1 << (X))
 
 TLB::TLB(const Params *p)
-    : SimObject(p), size(p->size), nlu(0)
+    : BaseTLB(p), size(p->size), nlu(0)
 {
     table = new MipsISA::PTE[size];
     memset(table, 0, sizeof(MipsISA::PTE[size]));
diff --git a/src/arch/mips/tlb.hh b/src/arch/mips/tlb.hh
index d6f9ac101..4333777ff 100644
--- a/src/arch/mips/tlb.hh
+++ b/src/arch/mips/tlb.hh
@@ -80,7 +80,7 @@ struct TlbEntry
 
 };
 
-class TLB : public SimObject
+class TLB : public BaseTLB
 {
   protected:
     typedef std::multimap<Addr, int> PageTable;
@@ -120,6 +120,10 @@ class TLB : public SimObject
     void insert(Addr vaddr, MipsISA::PTE &pte);
     void insertAt(MipsISA::PTE &pte, unsigned Index, int _smallPages);
     void flushAll();
+    void demapPage(Addr vaddr, uint64_t asn)
+    {
+        panic("demapPage unimplemented.\n");
+    }
 
     // static helper functions... really
     static bool validVirtualAddress(Addr vaddr);
diff --git a/src/arch/sparc/tlb.cc b/src/arch/sparc/tlb.cc
index 740da37ab..22df44908 100644
--- a/src/arch/sparc/tlb.cc
+++ b/src/arch/sparc/tlb.cc
@@ -46,7 +46,7 @@
 namespace SparcISA {
 
 TLB::TLB(const Params *p)
-    : SimObject(p), size(p->size), usedEntries(0), lastReplaced(0),
+    : BaseTLB(p), size(p->size), usedEntries(0), lastReplaced(0),
       cacheValid(false)
 {
     // To make this work you'll have to change the hypervisor and OS
diff --git a/src/arch/sparc/tlb.hh b/src/arch/sparc/tlb.hh
index b38ee15dc..2f7d08320 100644
--- a/src/arch/sparc/tlb.hh
+++ b/src/arch/sparc/tlb.hh
@@ -39,7 +39,7 @@
 #include "params/SparcDTB.hh"
 #include "params/SparcITB.hh"
 #include "sim/faults.hh"
-#include "sim/sim_object.hh"
+#include "sim/tlb.hh"
 
 class ThreadContext;
 class Packet;
@@ -47,7 +47,7 @@ class Packet;
 namespace SparcISA
 {
 
-class TLB : public SimObject
+class TLB : public BaseTLB
 {
 #if !FULL_SYSTEM
     //These faults need to be able to populate the tlb in SE mode.
@@ -152,6 +152,11 @@ class TLB : public SimObject
     typedef SparcTLBParams Params;
     TLB(const Params *p);
 
+    void demapPage(Addr vaddr, uint64_t asn)
+    {
+        panic("demapPage(Addr) is not implemented.\n");
+    }
+
     void dumpAll();
 
     // Checkpointing
diff --git a/src/arch/x86/tlb.cc b/src/arch/x86/tlb.cc
index acac3081a..208dec177 100644
--- a/src/arch/x86/tlb.cc
+++ b/src/arch/x86/tlb.cc
@@ -76,7 +76,7 @@
 
 namespace X86ISA {
 
-TLB::TLB(const Params *p) : SimObject(p), configAddress(0), size(p->size)
+TLB::TLB(const Params *p) : BaseTLB(p), configAddress(0), size(p->size)
 {
     tlb = new TlbEntry[size];
     std::memset(tlb, 0, sizeof(TlbEntry) * size);
@@ -169,7 +169,7 @@ TLB::invalidateNonGlobal()
 }
 
 void
-TLB::demapPage(Addr va)
+TLB::demapPage(Addr va, uint64_t asn)
 {
 }
 
diff --git a/src/arch/x86/tlb.hh b/src/arch/x86/tlb.hh
index d08d6fa68..f6ccd5731 100644
--- a/src/arch/x86/tlb.hh
+++ b/src/arch/x86/tlb.hh
@@ -70,6 +70,7 @@
 #include "params/X86DTB.hh"
 #include "params/X86ITB.hh"
 #include "sim/faults.hh"
+#include "sim/tlb.hh"
 #include "sim/sim_object.hh"
 
 class ThreadContext;
@@ -83,7 +84,7 @@ namespace X86ISA
 
     class TLB;
 
-    class TLB : public SimObject
+    class TLB : public BaseTLB
     {
       protected:
         friend class FakeITLBFault;
@@ -120,7 +121,7 @@ namespace X86ISA
 
         void invalidateNonGlobal();
 
-        void demapPage(Addr va);
+        void demapPage(Addr va, uint64_t asn);
 
       protected:
         int size;