gem5  v20.1.0.0
se_translating_port_proxy.cc
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40 
42 
43 #include "sim/process.hh"
44 #include "sim/system.hh"
45 
47  ThreadContext *tc, AllocType alloc, Request::Flags _flags) :
48  TranslatingPortProxy(tc, _flags), allocating(alloc)
49 {}
50 
51 bool
53 {
54  auto *process = _tc->getProcessPtr();
55 
56  if (mode == BaseTLB::Write) {
57  if (allocating == Always) {
59  return true;
60  } else if (allocating == NextPage && process->fixupFault(addr)) {
61  // We've accessed the next page on the stack.
62  return true;
63  }
64  }
65  return false;
66 }
roundDown
T roundDown(const T &val, const U &align)
This function is used to align addresses in memory.
Definition: intmath.hh:150
SETranslatingPortProxy::SETranslatingPortProxy
SETranslatingPortProxy(ThreadContext *tc, AllocType alloc=NextPage, Request::Flags _flags=0)
Definition: se_translating_port_proxy.cc:46
TranslatingPortProxy::_tc
ThreadContext * _tc
Definition: translating_port_proxy.hh:62
system.hh
Flags< FlagsType >
BaseTLB::Mode
Mode
Definition: tlb.hh:57
ThreadContext::getProcessPtr
virtual Process * getProcessPtr()=0
ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:88
SETranslatingPortProxy::Always
@ Always
Definition: se_translating_port_proxy.hh:51
Process::allocateMem
void allocateMem(Addr vaddr, int64_t size, bool clobber=false)
Definition: process.cc:319
process.hh
SETranslatingPortProxy::NextPage
@ NextPage
Definition: se_translating_port_proxy.hh:53
ArmISA::mode
Bitfield< 4, 0 > mode
Definition: miscregs_types.hh:70
TranslatingPortProxy::pageBytes
const Addr pageBytes
Definition: translating_port_proxy.hh:63
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
BaseTLB::Write
@ Write
Definition: tlb.hh:57
TranslatingPortProxy
This proxy attempts to translate virtual addresses using the TLBs.
Definition: translating_port_proxy.hh:55
SETranslatingPortProxy::fixupAddr
bool fixupAddr(Addr addr, BaseTLB::Mode mode) const override
Definition: se_translating_port_proxy.cc:52
addr
ip6_addr_t addr
Definition: inet.hh:423
se_translating_port_proxy.hh
SETranslatingPortProxy::allocating
AllocType allocating
Definition: se_translating_port_proxy.hh:57
SETranslatingPortProxy::AllocType
AllocType
Definition: se_translating_port_proxy.hh:50

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