mmu.cc

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 * Copyright (c) 2013 Advanced Micro Devices, Inc.
 * Copyright (c) 2013 Mark D. Hill and David A. Wood
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#include "arch/generic/mmu.hh"
 
void
BaseMMU::takeOverFrom(BaseMMU *old_mmu)
{
    Port *old_itb_port = old_mmu->itb->getTableWalkerPort();
    Port *old_dtb_port = old_mmu->dtb->getTableWalkerPort();
    Port *new_itb_port = itb->getTableWalkerPort();
    Port *new_dtb_port = dtb->getTableWalkerPort();
 
    // Move over any table walker ports if they exist
    if (new_itb_port)
        new_itb_port->takeOverFrom(old_itb_port);
    if (new_dtb_port)
        new_dtb_port->takeOverFrom(old_dtb_port);
 
    itb->takeOverFrom(old_mmu->itb);
    dtb->takeOverFrom(old_mmu->dtb);
}