suyu/src/core/device_memory.h

52 lines
1.2 KiB
C++
Raw Normal View History

// 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 {
enum : u64 {
Base = 0x80000000ULL,
Size = 0x100000000ULL,
End = Base + Size,
KernelReserveBase = Base + 0x60000,
SlabHeapBase = KernelReserveBase + 0x85000,
SlapHeapSize = 0xa21000,
SlabHeapEnd = SlabHeapBase + SlapHeapSize,
};
}; // namespace DramMemoryMap
class DeviceMemory : NonCopyable {
public:
explicit DeviceMemory(Core::System& system);
~DeviceMemory();
template <typename T>
PAddr GetPhysicalAddr(const T* ptr) const {
return (reinterpret_cast<uintptr_t>(ptr) - reinterpret_cast<uintptr_t>(buffer.data())) +
DramMemoryMap::Base;
}
u8* GetPointer(PAddr addr) {
return buffer.data() + (addr - DramMemoryMap::Base);
}
const u8* GetPointer(PAddr addr) const {
return buffer.data() + (addr - DramMemoryMap::Base);
}
private:
Common::VirtualBuffer<u8> buffer;
Core::System& system;
};
} // namespace Core