4 files changed, 56 insertions, 3 deletions

diff --git a/src/core/core.cpp b/src/core/core.cpp
index eba17218a..c45fb960c 100644
--- a/src/core/core.cpp
+++ b/src/core/core.cpp
@@ -39,6 +39,7 @@
 #include "core/hle/service/service.h"
 #include "core/hle/service/sm/sm.h"
 #include "core/loader/loader.h"
+#include "core/memory.h"
 #include "core/memory/cheat_engine.h"
 #include "core/perf_stats.h"
 #include "core/reporter.h"
@@ -112,8 +113,8 @@ FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
 }
 struct System::Impl {
     explicit Impl(System& system)
-        : kernel{system}, fs_controller{system}, cpu_core_manager{system}, reporter{system},
-          applet_manager{system} {}
+        : kernel{system}, fs_controller{system}, memory{system},
+          cpu_core_manager{system}, reporter{system}, applet_manager{system} {}
 
     Cpu& CurrentCpuCore() {
         return cpu_core_manager.GetCurrentCore();
@@ -341,7 +342,8 @@ struct System::Impl {
     std::unique_ptr<VideoCore::RendererBase> renderer;
     std::unique_ptr<Tegra::GPU> gpu_core;
     std::shared_ptr<Tegra::DebugContext> debug_context;
-    std::unique_ptr<Core::Hardware::InterruptManager> interrupt_manager;
+    std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
+    Memory::Memory memory;
     CpuCoreManager cpu_core_manager;
     bool is_powered_on = false;
     bool exit_lock = false;
@@ -498,6 +500,14 @@ const ExclusiveMonitor& System::Monitor() const {
     return impl->cpu_core_manager.GetExclusiveMonitor();
 }
 
+Memory::Memory& System::Memory() {
+    return impl->memory;
+}
+
+const Memory::Memory& System::Memory() const {
+    return impl->memory;
+}
+
 Tegra::GPU& System::GPU() {
     return *impl->gpu_core;
 }
diff --git a/src/core/core.h b/src/core/core.h
index f9b1a2866..91184e433 100644
--- a/src/core/core.h
+++ b/src/core/core.h
@@ -86,6 +86,10 @@ namespace Core::Hardware {
 class InterruptManager;
 }
 
+namespace Memory {
+class Memory;
+}
+
 namespace Core {
 
 class ARM_Interface;
@@ -225,6 +229,12 @@ public:
     /// Gets a constant reference to the exclusive monitor
     const ExclusiveMonitor& Monitor() const;
 
+    /// Gets a mutable reference to the system memory instance.
+    Memory::Memory& Memory();
+
+    /// Gets a constant reference to the system memory instance.
+    const Memory::Memory& Memory() const;
+
     /// Gets a mutable reference to the GPU interface
     Tegra::GPU& GPU();
 
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index fa49f3dd0..2098f13f7 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -24,6 +24,18 @@ namespace Memory {
 
 static Common::PageTable* current_page_table = nullptr;
 
+// Implementation class used to keep the specifics of the memory subsystem hidden
+// from outside classes. This also allows modification to the internals of the memory
+// subsystem without needing to rebuild all files that make use of the memory interface.
+struct Memory::Impl {
+    explicit Impl(Core::System& system_) : system{system_} {}
+
+    Core::System& system;
+};
+
+Memory::Memory(Core::System& system) : impl{std::make_unique<Impl>(system)} {}
+Memory::~Memory() = default;
+
 void SetCurrentPageTable(Kernel::Process& process) {
     current_page_table = &process.VMManager().page_table;
 
diff --git a/src/core/memory.h b/src/core/memory.h
index 09008e1dd..c690df3c3 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -8,6 +8,10 @@
 #include <string>
 #include "common/common_types.h"
 
+namespace Core {
+class System;
+}
+
 namespace Kernel {
 class Process;
 }
@@ -36,6 +40,23 @@ enum : VAddr {
     KERNEL_REGION_END = KERNEL_REGION_VADDR + KERNEL_REGION_SIZE,
 };
 
+/// Central class that handles all memory operations and state.
+class Memory {
+public:
+    explicit Memory(Core::System& system);
+    ~Memory();
+
+    Memory(const Memory&) = delete;
+    Memory& operator=(const Memory&) = delete;
+
+    Memory(Memory&&) = default;
+    Memory& operator=(Memory&&) = default;
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> impl;
+};
+
 /// Changes the currently active page table to that of
 /// the given process instance.
 void SetCurrentPageTable(Kernel::Process& process);