X86: Explain what really didn't work with unmapped addresses in SE mode.
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1 changed files with 13 additions and 3 deletions
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@ -632,12 +632,22 @@ TLB::translate(RequestPtr req, ThreadContext *tc, Translation *translation,
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Process *p = tc->getProcessPtr();
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TlbEntry newEntry;
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bool success = p->pTable->lookup(vaddr, newEntry);
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if(!success && mode != Execute) {
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if (!success && mode != Execute) {
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p->checkAndAllocNextPage(vaddr);
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success = p->pTable->lookup(vaddr, newEntry);
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}
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if(!success) {
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panic("Tried to execute unmapped address %#x.\n", vaddr);
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if (!success) {
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const char *modeStr = "";
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if (mode == Execute)
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modeStr = "execute";
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else if (mode == Read)
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modeStr = "read";
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else if (mode == Write)
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modeStr = "write";
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else
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modeStr = "?";
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panic("Tried to %s unmapped address %#x.\n",
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modeStr, vaddr);
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} else {
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Addr alignedVaddr = p->pTable->pageAlign(vaddr);
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DPRINTF(TLB, "Mapping %#x to %#x\n", alignedVaddr,
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