gem5  v21.1.0.2
se_translating_port_proxy.cc
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40 
42 
43 #include "sim/process.hh"
44 #include "sim/system.hh"
45 
46 namespace gem5
47 {
48 
50  ThreadContext *tc, AllocType alloc, Request::Flags _flags) :
51  TranslatingPortProxy(tc, _flags), allocating(alloc)
52 {}
53 
54 bool
56 {
57  auto *process = _tc->getProcessPtr();
58 
59  if (mode == BaseMMU::Write) {
60  if (allocating == Always) {
62  return true;
63  } else if (allocating == NextPage && process->fixupFault(addr)) {
64  // We've accessed the next page on the stack.
65  return true;
66  }
67  }
68  return false;
69 }
70 
71 } // namespace gem5
gem5::SETranslatingPortProxy::SETranslatingPortProxy
SETranslatingPortProxy(ThreadContext *tc, AllocType alloc=NextPage, Request::Flags _flags=0)
Definition: se_translating_port_proxy.cc:49
gem5::SETranslatingPortProxy::fixupAddr
bool fixupAddr(Addr addr, BaseMMU::Mode mode) const override
Definition: se_translating_port_proxy.cc:55
gem5::SETranslatingPortProxy::AllocType
AllocType
Definition: se_translating_port_proxy.hh:53
system.hh
gem5::SETranslatingPortProxy::NextPage
@ NextPage
Definition: se_translating_port_proxy.hh:57
gem5::BaseMMU::Mode
Mode
Definition: mmu.hh:53
gem5::BaseMMU::Write
@ Write
Definition: mmu.hh:53
gem5::Process::allocateMem
void allocateMem(Addr vaddr, int64_t size, bool clobber=false)
Definition: process.cc:316
gem5::TranslatingPortProxy
This proxy attempts to translate virtual addresses using the TLBs.
Definition: translating_port_proxy.hh:58
gem5::Flags< FlagsType >
gem5::ThreadContext
ThreadContext is the external interface to all thread state for anything outside of the CPU.
Definition: thread_context.hh:93
gem5::TranslatingPortProxy::pageBytes
const Addr pageBytes
Definition: translating_port_proxy.hh:66
process.hh
gem5::roundDown
static constexpr T roundDown(const T &val, const U &align)
This function is used to align addresses in memory.
Definition: intmath.hh:279
gem5::SETranslatingPortProxy::Always
@ Always
Definition: se_translating_port_proxy.hh:55
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::ThreadContext::getProcessPtr
virtual Process * getProcessPtr()=0
se_translating_port_proxy.hh
gem5::TranslatingPortProxy::_tc
ThreadContext * _tc
Definition: translating_port_proxy.hh:65
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::SETranslatingPortProxy::allocating
AllocType allocating
Definition: se_translating_port_proxy.hh:61
gem5::ArmISA::mode
Bitfield< 4, 0 > mode
Definition: misc_types.hh:73
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition: types.hh:84

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