From 49507982685b4e807e612ff176fb67901415a2ce Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Mon, 12 Nov 2007 14:39:07 -0800
Subject: X86: Implement tlb invalidation and make it happen some of the times
 it should.

--HG--
extra : convert_revision : 376516d33cd539fa526c834ef2b2c33069af3040
---
 src/arch/x86/tlb.cc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/arch/x86/tlb.cc')

diff --git a/src/arch/x86/tlb.cc b/src/arch/x86/tlb.cc
index 704ab3027..1184bf9de 100644
--- a/src/arch/x86/tlb.cc
+++ b/src/arch/x86/tlb.cc
@@ -380,6 +380,7 @@ TLB::Walker::start(ThreadContext * _tc, Addr vaddr)
             }
         }
     }
+
     nextState = Ready;
     entry.vaddr = vaddr;
 
@@ -595,11 +596,27 @@ TLB::lookup(Addr va, bool update_lru)
 void
 TLB::invalidateAll()
 {
+    DPRINTF(TLB, "Invalidating all entries.\n");
+    while (!entryList.empty()) {
+        TlbEntry *entry = entryList.front();
+        entryList.pop_front();
+        freeList.push_back(entry);
+    }
 }
 
 void
 TLB::invalidateNonGlobal()
 {
+    DPRINTF(TLB, "Invalidating all non global entries.\n");
+    EntryList::iterator entryIt;
+    for (entryIt = entryList.begin(); entryIt != entryList.end();) {
+        if (!(*entryIt)->global) {
+            freeList.push_back(*entryIt);
+            entryList.erase(entryIt++);
+        } else {
+            entryIt++;
+        }
+    }
 }
 
 void
-- 
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