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43 #ifndef __SIM_TLB_HH__
44 #define __SIM_TLB_HH__
46 #include "base/misc.hh"
47 #include "mem/request.hh"
48 #include "sim/fault_fwd.hh"
49 #include "sim/sim_object.hh"
55 class BaseTLB : public SimObject
58 BaseTLB(const Params *p)
63 enum Mode { Read, Write, Execute };
66 virtual void demapPage(Addr vaddr, uint64_t asn) = 0;
68 /** Get any port that the TLB or hardware table walker needs.
69 * This is used for migrating port connections during a takeOverFrom()
71 virtual Port* getPort() { return NULL; }
76 virtual ~Translation()
80 * Signal that the translation has been delayed due to a hw page table
83 virtual void markDelayed() = 0;
86 * The memory for this object may be dynamically allocated, and it may
87 * be responsible for cleaning itself up which will happen in this
88 * function. Once it's called, the object is no longer valid.
90 virtual void finish(Fault fault, RequestPtr req, ThreadContext *tc,
95 class GenericTLB : public BaseTLB
98 GenericTLB(const Params *p)
103 void demapPage(Addr vaddr, uint64_t asn);
105 Fault translateAtomic(RequestPtr req, ThreadContext *tc, Mode mode);
106 void translateTiming(RequestPtr req, ThreadContext *tc,
107 Translation *translation, Mode mode);
110 #endif // __ARCH_SPARC_TLB_HH__