From: Ali Saidi <Ali.Saidi@ARM.com>
Date: Thu, 16 Jun 2011 20:08:12 +0000 (-0500)
Subject: ARM: Handle case where new TLB size is different from previous TLB size.
X-Git-Tag: stable_2012_02_02~272
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8b4307f8d863b1805ec0e282bccda23ff4863f16;p=gem5.git

ARM: Handle case where new TLB size is different from previous TLB size.

After a checkpoint we need to make sure that we restore the right
number of entries.
---

diff --git a/src/arch/arm/tlb.cc b/src/arch/arm/tlb.cc
index a2b1a9d8a..c59498212 100644
--- a/src/arch/arm/tlb.cc
+++ b/src/arch/arm/tlb.cc
@@ -264,6 +264,9 @@ TLB::serialize(ostream &os)
     DPRINTF(Checkpoint, "Serializing Arm TLB\n");
 
     SERIALIZE_SCALAR(_attr);
+
+    int num_entries = size;
+    SERIALIZE_SCALAR(num_entries);
     for(int i = 0; i < size; i++){
         nameOut(os, csprintf("%s.TlbEntry%d", name(), i));
         table[i].serialize(os);
@@ -276,7 +279,9 @@ TLB::unserialize(Checkpoint *cp, const string &section)
     DPRINTF(Checkpoint, "Unserializing Arm TLB\n");
 
     UNSERIALIZE_SCALAR(_attr);
-    for(int i = 0; i < size; i++){
+    int num_entries;
+    UNSERIALIZE_SCALAR(num_entries);
+    for(int i = 0; i < min(size, num_entries); i++){
         table[i].unserialize(cp, csprintf("%s.TlbEntry%d", section, i));
     }
     miscRegValid = false;