src/mem/se_translating_port_proxy.cc

/*
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 * modification, are permitted provided that the following conditions are
 * met: redistributions of source code must retain the above copyright
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 * this software without specific prior written permission.
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#include "mem/se_translating_port_proxy.hh"

#include "sim/process.hh"
#include "sim/system.hh"

namespace gem5
{

SETranslatingPortProxy::SETranslatingPortProxy(
        ThreadContext *tc, AllocType alloc, Request::Flags _flags) :
    TranslatingPortProxy(tc, _flags), allocating(alloc)
{}

bool
SETranslatingPortProxy::fixupAddr(Addr addr, BaseTLB::Mode mode) const
{
    auto *process = _tc->getProcessPtr();

    if (mode == BaseTLB::Write) {
        if (allocating == Always) {
            process->allocateMem(roundDown(addr, pageBytes), pageBytes);
            return true;
        } else if (allocating == NextPage && process->fixupFault(addr)) {
            // We've accessed the next page on the stack.
            return true;
        }
    }
    return false;
}

} // namespace gem5