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48 #include "arch/arm/faults.hh"
49 #include "arch/arm/table_walker.hh"
50 #include "arch/arm/tlb.hh"
51 #include "arch/arm/vtophys.hh"
52 #include "base/chunk_generator.hh"
53 #include "base/trace.hh"
54 #include "cpu/thread_context.hh"
55 #include "mem/fs_translating_port_proxy.hh"
58 using namespace ArmISA
;
61 ArmISA::vtophys(Addr vaddr
)
63 fatal("VTOPHYS: Can't convert vaddr to paddr on ARM without a thread context");
67 ArmISA::vtophys(ThreadContext
*tc
, Addr addr
)
70 // Set up a functional memory Request to pass to the TLB
71 // to get it to translate the vaddr to a paddr
72 Request
req(0, addr
, 64, 0x40, -1, 0, 0, 0);
75 // Check the TLBs for a translation
76 // It's possible that there is a valid translation in the tlb
77 // that is no loger valid in the page table in memory
78 // so we need to check here first
80 // Calling translateFunctional invokes a table-walk if required
81 // so we should always succeed
82 tlb
= static_cast<ArmISA::TLB
*>(tc
->getDTBPtr());
83 fault
= tlb
->translateFunctional(&req
, tc
, BaseTLB::Read
, TLB::NormalTran
);
85 return req
.getPaddr();
87 tlb
= static_cast<ArmISA::TLB
*>(tc
->getITBPtr());
88 fault
= tlb
->translateFunctional(&req
, tc
, BaseTLB::Read
, TLB::NormalTran
);
90 return req
.getPaddr();
92 panic("Table walkers support functional accesses. We should never get here\n");
96 ArmISA::virtvalid(ThreadContext
*tc
, Addr vaddr
)
98 if (vtophys(tc
, vaddr
) != -1)