1/*
2 * Copyright (c) 2010-2014 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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789 LongDescriptor longDesc;
790
791 /** Whether the response is delayed in timing mode due to additional
792 * lookups */
793 bool delayed;
794
795 TableWalker *tableWalker;
796
797 void doL1Descriptor();
798 void doL2Descriptor();
799
800 void doLongDescriptor();
801
802 WalkerState();
803
804 std::string name() const { return tableWalker->name(); }

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878 /** Cached copies of system-level properties */
879 bool haveSecurity;
880 bool _haveLPAE;
881 bool _haveVirtualization;
882 uint8_t physAddrRange;
883 bool _haveLargeAsid64;
884 ArmSystem *armSys;
885
886 public:
887 typedef ArmTableWalkerParams Params;
888 TableWalker(const Params *p);
889 virtual ~TableWalker();
890
891 const Params *
892 params() const
893 {

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898 bool haveVirtualization() const { return _haveVirtualization; }
899 bool haveLargeAsid64() const { return _haveLargeAsid64; }
900 /** Checks if all state is cleared and if so, completes drain */
901 void completeDrain();
902 unsigned int drain(DrainManager *dm);
903 virtual void drainResume();
904 virtual BaseMasterPort& getMasterPort(const std::string &if_name,
905 PortID idx = InvalidPortID);
906
907 /**
908 * Allow the MMU (overseeing both stage 1 and stage 2 TLBs) to
909 * access the table walker port through the TLB so that it can
910 * orchestrate staged translations.
911 *
912 * @return Our DMA port
913 */

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971 /// Returns true if the address exceeds the range permitted by the
972 /// system-wide setting or by the TCR_ELx IPS/PS setting
973 static bool checkAddrSizeFaultAArch64(Addr addr, int currPhysAddrRange);
974 Fault processWalkAArch64();
975 void processWalkWrapper();
976 EventWrapper<TableWalker, &TableWalker::processWalkWrapper> doProcessEvent;
977
978 void nextWalk(ThreadContext *tc);
979};
980
981} // namespace ArmISA
982
983#endif //__ARCH_ARM_TABLE_WALKER_HH__
984