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// Copyright 2020 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/virtual_buffer.h"
namespace Core {
class System;
namespace DramMemoryMap {
constexpr u64 Base = 0x80000000ULL;
constexpr u64 Size = 0x100000000ULL;
constexpr u64 End = Base + Size;
constexpr u64 KernelReserveBase = Base + 0x60000;
constexpr u64 SlabHeapBase = KernelReserveBase + 0x85000;
constexpr u64 SlapHeapSize = 0xa21000;
constexpr u64 SlabHeapEnd = SlabHeapBase + SlapHeapSize;
}; // namespace DramMemoryMap
class DeviceMemory : NonCopyable {
public:
explicit DeviceMemory(Core::System& system);
~DeviceMemory();
template <typename T>
PAddr GetPhysicalAddr(T* ptr) {
const auto ptr_addr{reinterpret_cast<uintptr_t>(ptr)};
const auto base_addr{reinterpret_cast<uintptr_t>(buffer.data())};
ASSERT(ptr_addr >= base_addr);
return ptr_addr - base_addr + DramMemoryMap::Base;
}
PAddr GetPhysicalAddr(VAddr addr);
constexpr u8* GetPointer(PAddr addr) {
return buffer.data() + (addr - DramMemoryMap::Base);
}
private:
Common::VirtualBuffer<u8> buffer;
Core::System& system;
};
} // namespace Core
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