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