eden/src/core/device_memory.h

61 lines
1.7 KiB
C++

// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include "common/host_memory.h"
#include "common/typed_address.h"
namespace Core {
namespace DramMemoryMap {
enum : u64 {
Base = 0x80000000ULL,
KernelReserveBase = Base + 0x60000,
SlabHeapBase = KernelReserveBase + 0x85000,
};
}; // namespace DramMemoryMap
class DeviceMemory {
public:
explicit DeviceMemory();
~DeviceMemory();
DeviceMemory& operator=(const DeviceMemory&) = delete;
DeviceMemory(const DeviceMemory&) = delete;
template <typename T>
Common::PhysicalAddress GetPhysicalAddr(const T* ptr) const {
return (uintptr_t(ptr) - uintptr_t(buffer.BackingBasePointer())) + DramMemoryMap::Base;
}
template <typename T>
PAddr GetRawPhysicalAddr(const T* ptr) const {
return PAddr(uintptr_t(ptr) - uintptr_t(buffer.BackingBasePointer()));
}
template <typename T>
T* GetPointer(Common::PhysicalAddress addr) {
return reinterpret_cast<T*>(buffer.BackingBasePointer() + (GetInteger(addr) - DramMemoryMap::Base));
}
template <typename T>
const T* GetPointer(Common::PhysicalAddress addr) const {
return reinterpret_cast<T*>(buffer.BackingBasePointer() + (GetInteger(addr) - DramMemoryMap::Base));
}
template <typename T>
T* GetPointerFromRaw(PAddr addr) {
return reinterpret_cast<T*>(buffer.BackingBasePointer() + addr);
}
template <typename T>
const T* GetPointerFromRaw(PAddr addr) const {
return reinterpret_cast<T*>(buffer.BackingBasePointer() + addr);
}
Common::HostMemory buffer;
};
} // namespace Core