1/*
2 * Copyright (c) 2010-2013, 2016-2017 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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598 req->setPaddr(paddr);
599
600 return finalizePhysical(req, tc, mode);
601}
602
603Fault
604TLB::checkPermissions(TlbEntry *te, RequestPtr req, Mode mode)
605{
606 Addr vaddr = req->getVaddr(); // 32-bit don't have to purify
607 Request::Flags flags = req->getFlags();
608 bool is_fetch = (mode == Execute);
609 bool is_write = (mode == Write);
610 bool is_priv = isPriv && !(flags & UserMode);
611
612 // Get the translation type from the actuall table entry
613 ArmFault::TranMethod tranMethod = te->longDescFormat ? ArmFault::LpaeTran

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773
774
775Fault
776TLB::checkPermissions64(TlbEntry *te, RequestPtr req, Mode mode,
777 ThreadContext *tc)
778{
779 assert(aarch64);
780
781 Addr vaddr_tainted = req->getVaddr();
782 Addr vaddr = purifyTaggedAddr(vaddr_tainted, tc, aarch64EL, ttbcr);
783
784 Request::Flags flags = req->getFlags();
785 bool is_fetch = (mode == Execute);
786 bool is_write = (mode == Write);
787 bool is_priv M5_VAR_USED = isPriv && !(flags & UserMode);
788
789 updateMiscReg(tc, curTranType);
790
791 // If this is the second stage of translation and the request is for a
792 // stage 1 page table walk then we need to check the HCR.PTW bit. This
793 // allows us to generate a fault if the request targets an area marked
794 // as a device or strongly ordered.

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1523 fatal_if(!ti, "%s is not a valid ARM TLB tester\n", _ti->name());
1524 test = ti;
1525 }
1526}
1527
1528Fault
1529TLB::testTranslation(RequestPtr req, Mode mode, TlbEntry::DomainType domain)
1530{
1531 if (!test || !req->hasSize() || req->getSize() == 0) {
1532 return NoFault;
1533 } else {
1534 return test->translationCheck(req, isPriv, mode, domain);
1535 }
1536}
1537
1538Fault
1539TLB::testWalk(Addr pa, Addr size, Addr va, bool is_secure, Mode mode,

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