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