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authorRon Dreslinski <rdreslin@umich.edu>2006-10-18 13:34:52 -0400
committerRon Dreslinski <rdreslin@umich.edu>2006-10-18 13:34:52 -0400
commit63c2a782d60dffaf7150ed0799767b215bbce6fb (patch)
treebf576dc58c45031b5a2592f9574ac400876cd070 /src/mem/page_table.cc
parent9c582c7e144aef0bfc9d14bb4690d56d1688496a (diff)
parent0e2561710b44f811a5e179935d54ef240013d03e (diff)
downloadgem5-63c2a782d60dffaf7150ed0799767b215bbce6fb.tar.xz
Merge zizzer:/bk/newmem
into zazzer.eecs.umich.edu:/z/rdreslin/m5bk/newmemcleanest --HG-- extra : convert_revision : 9e47881686a6c060fa28e7edfd9a0b556099bf30
Diffstat (limited to 'src/mem/page_table.cc')
-rw-r--r--src/mem/page_table.cc37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/mem/page_table.cc b/src/mem/page_table.cc
index 2b460306f..32da4282c 100644
--- a/src/mem/page_table.cc
+++ b/src/mem/page_table.cc
@@ -27,6 +27,7 @@
*
* Authors: Steve Reinhardt
* Ron Dreslinski
+ * Ali Saidi
*/
/**
@@ -97,6 +98,8 @@ PageTable::allocate(Addr vaddr, int64_t size)
// starting address must be page aligned
assert(pageOffset(vaddr) == 0);
+ DPRINTF(MMU, "Allocating Page: %#x-%#x\n", vaddr, vaddr+ size);
+
for (; size > 0; size -= pageSize, vaddr += pageSize) {
m5::hash_map<Addr,Addr>::iterator iter = pTable.find(vaddr);
@@ -159,3 +162,37 @@ PageTable::translate(RequestPtr &req)
req->setPaddr(paddr);
return page_check(req->getPaddr(), req->getSize());
}
+
+void
+PageTable::serialize(std::ostream &os)
+{
+ paramOut(os, "ptable.size", pTable.size());
+ int count = 0;
+
+ m5::hash_map<Addr,Addr>::iterator iter;
+ while (iter != pTable.end()) {
+ paramOut(os, csprintf("ptable.entry%dvaddr", count),iter->first);
+ paramOut(os, csprintf("ptable.entry%dpaddr", count),iter->second);
+ ++count;
+ }
+ assert(count == pTable.size());
+}
+
+void
+PageTable::unserialize(Checkpoint *cp, const std::string &section)
+{
+ int i = 0, count;
+ paramIn(cp, section, "ptable.size", count);
+ Addr vaddr, paddr;
+
+ pTable.clear();
+
+ while(i < count) {
+ paramIn(cp, section, csprintf("ptable.entry%dvaddr", i), vaddr);
+ paramIn(cp, section, csprintf("ptable.entry%dpaddr", i), paddr);
+ pTable[vaddr] = paddr;
+ ++i;
+ }
+
+}
+