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Cleanup KUSD MMIO

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momo5502
2024-11-24 10:37:26 +01:00
parent d3cf88a0c4
commit 5f49b30fe0
6 changed files with 43 additions and 50 deletions
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62
src/windows-emulator/kusd_mmio.cpp
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@@ -99,17 +99,10 @@ inline void deserialize(utils::buffer_deserializer& buffer, KUSER_SHARED_DATA& k
buffer.read(&kusd, KUSD_SIZE);
}
kusd_mmio::kusd_mmio(windows_emulator& win_emu, const bool use_relative_time, const bool perform_registration)
: use_relative_time_(use_relative_time)
, win_emu_(&win_emu)
kusd_mmio::kusd_mmio(x64_emulator& emu, process_context& process)
: emu_(&emu)
, process_(&process)
{
setup_kusd(this->kusd_, use_relative_time);
this->start_time_ = convert_from_ksystem_time(this->kusd_.SystemTime);
if (perform_registration)
{
this->register_mmio();
}
}
kusd_mmio::~kusd_mmio()
@@ -117,23 +110,19 @@ kusd_mmio::~kusd_mmio()
this->deregister_mmio();
}
kusd_mmio::kusd_mmio(kusd_mmio&& obj) // throws!
: use_relative_time_(obj.use_relative_time_)
, win_emu_(obj.win_emu_)
, start_time_(obj.start_time_)
kusd_mmio::kusd_mmio(utils::buffer_deserializer& buffer)
: kusd_mmio(buffer.read<x64_emulator_wrapper>(), buffer.read<process_context_wrapper>())
{
memcpy(&this->kusd_, &obj.kusd_, sizeof(this->kusd_));
if (obj.registered_)
{
obj.deregister_mmio();
this->register_mmio();
}
}
kusd_mmio::kusd_mmio(utils::buffer_deserializer& buffer)
: kusd_mmio(buffer.read<windows_emulator_wrapper>().get(), true, false)
void kusd_mmio::setup(const bool use_relative_time)
{
this->use_relative_time_ = use_relative_time;
setup_kusd(this->kusd_, use_relative_time);
this->start_time_ = convert_from_ksystem_time(this->kusd_.SystemTime);
this->register_mmio();
}
void kusd_mmio::serialize(utils::buffer_serializer& buffer) const
@@ -149,6 +138,7 @@ void kusd_mmio::deserialize(utils::buffer_deserializer& buffer)
buffer.read(this->kusd_);
buffer.read(this->start_time_);
this->deregister_mmio();
this->register_mmio();
}
@@ -183,18 +173,13 @@ uint64_t kusd_mmio::address()
return KUSD_ADDRESS;
}
void kusd_mmio::write(const uint64_t /*addr*/, const size_t /*size*/, const uint64_t /*data*/)
{
// Unsupported!
}
void kusd_mmio::update()
{
auto time = this->start_time_;
if (this->use_relative_time_)
{
const auto passed_time = this->win_emu_->process().executed_instructions;
const auto passed_time = this->process_->executed_instructions;
const auto clock_frequency = this->kusd_.QpcFrequency;
using duration = std::chrono::system_clock::duration;
@@ -217,15 +202,14 @@ void kusd_mmio::register_mmio()
this->registered_ = true;
this->win_emu_->emu().allocate_mmio( //
KUSD_ADDRESS, KUSD_BUFFER_SIZE,
[this](const uint64_t addr, const size_t size)
{
return this->read(addr, size);
}, [this](const uint64_t addr, const size_t size, const uint64_t data)
{
this->write(addr, size, data);
});
this->emu_->allocate_mmio(KUSD_ADDRESS, KUSD_BUFFER_SIZE,
[this](const uint64_t addr, const size_t size)
{
return this->read(addr, size);
}, [this](const uint64_t, const size_t, const uint64_t)
{
// Writing not supported!
});
}
void kusd_mmio::deregister_mmio()
@@ -233,6 +217,6 @@ void kusd_mmio::deregister_mmio()
if (this->registered_)
{
this->registered_ = false;
this->win_emu_->emu().release_memory(KUSD_ADDRESS, KUSD_BUFFER_SIZE);
this->emu_->release_memory(KUSD_ADDRESS, KUSD_BUFFER_SIZE);
}
}