1 files changed, 51 insertions, 0 deletions

diff --git a/src/core/device_memory.h b/src/core/device_memory.h
new file mode 100644
index 000000000..9efa088d0
--- /dev/null
+++ b/src/core/device_memory.h
@@ -0,0 +1,51 @@
+// 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