# HG changeset patch
# User Gabe Black <[email protected]>
# Date 1257749397 28800
# Node ID b3ab661715ac41e528c48843ebfe5885aa33b7a7
# Parent 530e457c88c7850e84c8df2cb478d566094ad39e
X86: Explain what really didn't work with unmapped addresses in SE mode.
diff --git a/src/arch/x86/tlb.cc b/src/arch/x86/tlb.cc
--- a/src/arch/x86/tlb.cc
+++ b/src/arch/x86/tlb.cc
@@ -632,12 +632,22 @@
Process *p = tc->getProcessPtr();
TlbEntry newEntry;
bool success = p->pTable->lookup(vaddr, newEntry);
- if(!success && mode != Execute) {
+ if (!success && mode != Execute) {
p->checkAndAllocNextPage(vaddr);
success = p->pTable->lookup(vaddr, newEntry);
}
- if(!success) {
- panic("Tried to execute unmapped address %#x.\n", vaddr);
+ if (!success) {
+ const char *modeStr = "";
+ if (mode == Execute)
+ modeStr = "execute";
+ else if (mode == Read)
+ modeStr = "read";
+ else if (mode == Write)
+ modeStr = "write";
+ else
+ modeStr = "?";
+ panic("Tried to %s unmapped address %#x.\n",
+ modeStr, vaddr);
} else {
Addr alignedVaddr = p->pTable->pageAlign(vaddr);
DPRINTF(TLB, "Mapping %#x to %#x\n", alignedVaddr,
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