From e0387415988a11f30b5aac66cd5cc32f7387e08e Mon Sep 17 00:00:00 2001 From: Nilay Vaish Date: Wed, 7 Aug 2013 14:51:17 -0500 Subject: x86: add tlb checkpointing This patch adds checkpointing support to x86 tlb. It upgrades the cpt_upgrader.py script so that previously created checkpoints can be updated. It moves the checkpoint version to 6. --- src/arch/x86/pagetable.cc | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) (limited to 'src/arch/x86/pagetable.cc') diff --git a/src/arch/x86/pagetable.cc b/src/arch/x86/pagetable.cc index 40d5e0984..a9ef18129 100644 --- a/src/arch/x86/pagetable.cc +++ b/src/arch/x86/pagetable.cc @@ -70,25 +70,14 @@ TlbEntry::unserialize(Checkpoint *cp, const std::string §ion) { UNSERIALIZE_SCALAR(paddr); UNSERIALIZE_SCALAR(vaddr); - // - // The logBytes scalar variable replaced the previous size variable. - // The following code maintains backwards compatibility with previous - // checkpoints using the old size variable. - // - if (UNSERIALIZE_OPT_SCALAR(logBytes) == false) { - int size; - UNSERIALIZE_SCALAR(size); - logBytes = log2(size); - } + UNSERIALIZE_SCALAR(logBytes); UNSERIALIZE_SCALAR(writable); UNSERIALIZE_SCALAR(user); UNSERIALIZE_SCALAR(uncacheable); UNSERIALIZE_SCALAR(global); UNSERIALIZE_SCALAR(patBit); UNSERIALIZE_SCALAR(noExec); - if (UNSERIALIZE_OPT_SCALAR(lruSeq) == false) { - lruSeq = 0; - } + UNSERIALIZE_SCALAR(lruSeq); } } -- cgit v1.2.3