X86: Start implementing the x86 tlb which will handle segmentation permission and limit checks and paging.

--HG--
extra : convert_revision : 6072f7d9eecbaa066d39d6da7f0180ea4a2615af

1 files changed, 29 insertions, 12 deletions

diff --git a/src/arch/x86/faults.hh b/src/arch/x86/faults.hh
index 31bb686ed..0579be9b5 100644
--- a/src/arch/x86/faults.hh
+++ b/src/arch/x86/faults.hh
@@ -111,10 +111,7 @@ namespace X86ISA
         {}
 
 #if FULL_SYSTEM
-        void invoke(ThreadContext * tc)
-        {
-            panic("X86 faults are not implemented!");
-        }
+        void invoke(ThreadContext * tc);
 #endif
     };
 
@@ -127,10 +124,7 @@ namespace X86ISA
         {}
 
 #if FULL_SYSTEM
-        void invoke(ThreadContext * tc)
-        {
-            panic("X86 faults are not implemented!");
-        }
+        void invoke(ThreadContext * tc);
 #endif
     };
 
@@ -143,10 +137,7 @@ namespace X86ISA
         {}
 
 #if FULL_SYSTEM
-        void invoke(ThreadContext * tc)
-        {
-            panic("X86 faults are not implemented!");
-        }
+        void invoke(ThreadContext * tc);
 #endif
     };
 
@@ -372,18 +363,44 @@ namespace X86ISA
     // the tlb on a miss and are to take the place of a hardware table walker.
     class FakeITLBFault : public X86Fault
     {
+#if !FULL_SYSTEM
+      protected:
+        Addr vaddr;
+      public:
+        FakeITLBFault(Addr _vaddr) :
+            X86Fault("fake instruction tlb fault", "itlb"),
+            vaddr(_vaddr)
+#else
       public:
         FakeITLBFault() :
             X86Fault("fake instruction tlb fault", "itlb")
+#endif
         {}
+
+#if !FULL_SYSTEM
+        void invoke(ThreadContext * tc);
+#endif
     };
 
     class FakeDTLBFault : public X86Fault
     {
+#if !FULL_SYSTEM
+      protected:
+        Addr vaddr;
+      public:
+        FakeDTLBFault(Addr _vaddr) :
+            X86Fault("fake data tlb fault", "dtlb"),
+            vaddr(_vaddr)
+#else
       public:
         FakeDTLBFault() :
             X86Fault("fake data tlb fault", "dtlb")
+#endif
         {}
+
+#if !FULL_SYSTEM
+        void invoke(ThreadContext * tc);
+#endif
     };
 };