Lightemerald/windows-user-space-emulator
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momo5502
2025-01-06 17:13:33 +01:00
parent 64c2a79f0f
commit bff8420ffd
100 changed files with 16439 additions and 14509 deletions
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177
src/emulator/memory_manager.hpp
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@@ -7,10 +7,10 @@
struct region_info : basic_memory_region
{
uint64_t allocation_base{};
size_t allocation_length{};
bool is_reserved{};
bool is_committed{};
uint64_t allocation_base{};
size_t allocation_length{};
bool is_reserved{};
bool is_committed{};
};
using mmio_read_callback = std::function<uint64_t(uint64_t addr, size_t size)>;
@@ -18,115 +18,114 @@ using mmio_write_callback = std::function<void(uint64_t addr, size_t size, uint6
class memory_manager
{
public:
struct committed_region
{
size_t length{};
memory_permission pemissions{};
};
public:
struct committed_region
{
size_t length{};
memory_permission pemissions{};
};
using committed_region_map = std::map<uint64_t, committed_region>;
using committed_region_map = std::map<uint64_t, committed_region>;
struct reserved_region
{
size_t length{};
committed_region_map committed_regions{};
bool is_mmio{false};
};
struct reserved_region
{
size_t length{};
committed_region_map committed_regions{};
bool is_mmio{false};
};
virtual ~memory_manager() = default;
virtual ~memory_manager() = default;
template <typename T>
T read_memory(const uint64_t address) const
{
T value{};
this->read_memory(address, &value, sizeof(value));
return value;
}
template <typename T>
T read_memory(const uint64_t address) const
{
T value{};
this->read_memory(address, &value, sizeof(value));
return value;
}
template <typename T>
T read_memory(const void* address) const
{
return this->read_memory<T>(reinterpret_cast<uint64_t>(address));
}
template <typename T>
T read_memory(const void* address) const
{
return this->read_memory<T>(reinterpret_cast<uint64_t>(address));
}
std::vector<std::byte> read_memory(const uint64_t address, const size_t size) const
{
std::vector<std::byte> data{};
data.resize(size);
std::vector<std::byte> read_memory(const uint64_t address, const size_t size) const
{
std::vector<std::byte> data{};
data.resize(size);
this->read_memory(address, data.data(), data.size());
this->read_memory(address, data.data(), data.size());
return data;
}
return data;
}
std::vector<std::byte> read_memory(const void* address, const size_t size) const
{
return this->read_memory(reinterpret_cast<uint64_t>(address), size);
}
std::vector<std::byte> read_memory(const void* address, const size_t size) const
{
return this->read_memory(reinterpret_cast<uint64_t>(address), size);
}
template <typename T>
void write_memory(const uint64_t address, const T& value)
{
this->write_memory(address, &value, sizeof(value));
}
template <typename T>
void write_memory(const uint64_t address, const T& value)
{
this->write_memory(address, &value, sizeof(value));
}
template <typename T>
void write_memory(void* address, const T& value)
{
this->write_memory(reinterpret_cast<uint64_t>(address), &value, sizeof(value));
}
template <typename T>
void write_memory(void* address, const T& value)
{
this->write_memory(reinterpret_cast<uint64_t>(address), &value, sizeof(value));
}
void write_memory(void* address, const void* data, const size_t size)
{
this->write_memory(reinterpret_cast<uint64_t>(address), data, size);
}
void write_memory(void* address, const void* data, const size_t size)
{
this->write_memory(reinterpret_cast<uint64_t>(address), data, size);
}
virtual void read_memory(uint64_t address, void* data, size_t size) const = 0;
virtual bool try_read_memory(uint64_t address, void* data, size_t size) const = 0;
virtual void write_memory(uint64_t address, const void* data, size_t size) = 0;
virtual void read_memory(uint64_t address, void* data, size_t size) const = 0;
virtual bool try_read_memory(uint64_t address, void* data, size_t size) const = 0;
virtual void write_memory(uint64_t address, const void* data, size_t size) = 0;
bool protect_memory(uint64_t address, size_t size, memory_permission permissions,
memory_permission* old_permissions = nullptr);
bool protect_memory(uint64_t address, size_t size, memory_permission permissions,
memory_permission* old_permissions = nullptr);
bool allocate_mmio(uint64_t address, size_t size, mmio_read_callback read_cb, mmio_write_callback write_cb);
bool allocate_memory(uint64_t address, size_t size, memory_permission permissions,
bool reserve_only = false);
bool allocate_mmio(uint64_t address, size_t size, mmio_read_callback read_cb, mmio_write_callback write_cb);
bool allocate_memory(uint64_t address, size_t size, memory_permission permissions, bool reserve_only = false);
bool commit_memory(uint64_t address, size_t size, memory_permission permissions);
bool decommit_memory(uint64_t address, size_t size);
bool commit_memory(uint64_t address, size_t size, memory_permission permissions);
bool decommit_memory(uint64_t address, size_t size);
bool release_memory(uint64_t address, size_t size);
bool release_memory(uint64_t address, size_t size);
uint64_t find_free_allocation_base(size_t size, uint64_t start = 0) const;
uint64_t find_free_allocation_base(size_t size, uint64_t start = 0) const;
region_info get_region_info(uint64_t address);
region_info get_region_info(uint64_t address);
uint64_t allocate_memory(const size_t size, const memory_permission permissions, const bool reserve_only = false)
{
const auto allocation_base = this->find_free_allocation_base(size);
if (!allocate_memory(allocation_base, size, permissions, reserve_only))
{
return 0;
}
uint64_t allocate_memory(const size_t size, const memory_permission permissions, const bool reserve_only = false)
{
const auto allocation_base = this->find_free_allocation_base(size);
if (!allocate_memory(allocation_base, size, permissions, reserve_only))
{
return 0;
}
return allocation_base;
}
return allocation_base;
}
private:
using reserved_region_map = std::map<uint64_t, reserved_region>;
reserved_region_map reserved_regions_{};
private:
using reserved_region_map = std::map<uint64_t, reserved_region>;
reserved_region_map reserved_regions_{};
reserved_region_map::iterator find_reserved_region(uint64_t address);
bool overlaps_reserved_region(uint64_t address, size_t size) const;
reserved_region_map::iterator find_reserved_region(uint64_t address);
bool overlaps_reserved_region(uint64_t address, size_t size) const;
virtual void map_mmio(uint64_t address, size_t size, mmio_read_callback read_cb, mmio_write_callback write_cb) = 0;
virtual void map_memory(uint64_t address, size_t size, memory_permission permissions) = 0;
virtual void unmap_memory(uint64_t address, size_t size) = 0;
virtual void map_mmio(uint64_t address, size_t size, mmio_read_callback read_cb, mmio_write_callback write_cb) = 0;
virtual void map_memory(uint64_t address, size_t size, memory_permission permissions) = 0;
virtual void unmap_memory(uint64_t address, size_t size) = 0;
virtual void apply_memory_protection(uint64_t address, size_t size, memory_permission permissions) = 0;
virtual void apply_memory_protection(uint64_t address, size_t size, memory_permission permissions) = 0;
protected:
void serialize_memory_state(utils::buffer_serializer& buffer, bool is_snapshot) const;
void deserialize_memory_state(utils::buffer_deserializer& buffer, bool is_snapshot);
protected:
void serialize_memory_state(utils::buffer_serializer& buffer, bool is_snapshot) const;
void deserialize_memory_state(utils::buffer_deserializer& buffer, bool is_snapshot);
};