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Support saving and restoring snapshots

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momo5502
2024-09-13 09:52:11 +02:00
parent b1cbc5a7ad
commit b68892ceca
4 changed files with 130 additions and 45 deletions
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46
src/emulator/memory_manager.cpp
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@@ -87,47 +87,51 @@ static void deserialize(utils::buffer_deserializer& buffer, memory_manager::rese
buffer.read_map(region.committed_regions);
}
void memory_manager::serialize_memory_state(utils::buffer_serializer& buffer) const
void memory_manager::serialize_memory_state(utils::buffer_serializer& buffer, const bool is_snapshot) const
{
buffer.write_map(this->reserved_regions_);
if (!this->use_in_place_serialization())
if (is_snapshot)
{
std::vector<uint8_t> data{};
return;
}
for (const auto& reserved_region : this->reserved_regions_)
std::vector<uint8_t> data{};
for (const auto& reserved_region : this->reserved_regions_)
{
for (const auto& region : reserved_region.second.committed_regions)
{
for (const auto& region : reserved_region.second.committed_regions)
{
data.resize(region.second.length);
data.resize(region.second.length);
this->read_memory(region.first, data.data(), region.second.length);
this->read_memory(region.first, data.data(), region.second.length);
buffer.write(data.data(), region.second.length);
}
buffer.write(data.data(), region.second.length);
}
}
}
void memory_manager::deserialize_memory_state(utils::buffer_deserializer& buffer)
void memory_manager::deserialize_memory_state(utils::buffer_deserializer& buffer, const bool is_snapshot)
{
buffer.read_map(this->reserved_regions_);
if (!this->use_in_place_serialization())
if (is_snapshot)
{
std::vector<uint8_t> data{};
return;
}
for (const auto& reserved_region : this->reserved_regions_)
std::vector<uint8_t> data{};
for (const auto& reserved_region : this->reserved_regions_)
{
for (const auto& region : reserved_region.second.committed_regions)
{
for (const auto& region : reserved_region.second.committed_regions)
{
data.resize(region.second.length);
data.resize(region.second.length);
buffer.read(data.data(), region.second.length);
buffer.read(data.data(), region.second.length);
this->map_memory(region.first, region.second.length, region.second.pemissions);
this->write_memory(region.first, data.data(), region.second.length);
}
this->map_memory(region.first, region.second.length, region.second.pemissions);
this->write_memory(region.first, data.data(), region.second.length);
}
}
}