5 files changed, 72 insertions, 4 deletions

diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index eafb96b0b..7a4d9e354 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -154,6 +154,7 @@ add_library(common STATIC
     param_package.cpp
     param_package.h
     parent_of_member.h
+    point.h
     quaternion.h
     ring_buffer.h
     scm_rev.cpp
diff --git a/src/common/fs/file.h b/src/common/fs/file.h
index 209f9664b..50e270c5b 100644
--- a/src/common/fs/file.h
+++ b/src/common/fs/file.h
@@ -117,7 +117,7 @@ template <typename Path>
 }
 #endif
 
-class IOFile final : NonCopyable {
+class IOFile final {
 public:
     IOFile();
 
@@ -142,7 +142,10 @@ public:
                     FileType type = FileType::BinaryFile,
                     FileShareFlag flag = FileShareFlag::ShareReadOnly);
 
-    virtual ~IOFile();
+    ~IOFile();
+
+    IOFile(const IOFile&) = delete;
+    IOFile& operator=(const IOFile&) = delete;
 
     IOFile(IOFile&& other) noexcept;
     IOFile& operator=(IOFile&& other) noexcept;
@@ -441,8 +444,8 @@ public:
 
 private:
     std::filesystem::path file_path;
-    FileAccessMode file_access_mode;
-    FileType file_type;
+    FileAccessMode file_access_mode{};
+    FileType file_type{};
 
     std::FILE* file = nullptr;
 };
diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp
index 8fd8620fd..9fffd816f 100644
--- a/src/common/page_table.cpp
+++ b/src/common/page_table.cpp
@@ -14,6 +14,7 @@ void PageTable::Resize(size_t address_space_width_in_bits, size_t page_size_in_b
     const size_t num_page_table_entries{1ULL << (address_space_width_in_bits - page_size_in_bits)};
     pointers.resize(num_page_table_entries);
     backing_addr.resize(num_page_table_entries);
+    current_address_space_width_in_bits = address_space_width_in_bits;
 }
 
 } // namespace Common
diff --git a/src/common/page_table.h b/src/common/page_table.h
index 61c5552e0..e92b66b2b 100644
--- a/src/common/page_table.h
+++ b/src/common/page_table.h
@@ -98,6 +98,10 @@ struct PageTable {
      */
     void Resize(size_t address_space_width_in_bits, size_t page_size_in_bits);
 
+    size_t GetAddressSpaceBits() const {
+        return current_address_space_width_in_bits;
+    }
+
     /**
      * Vector of memory pointers backing each page. An entry can only be non-null if the
      * corresponding attribute element is of type `Memory`.
@@ -105,6 +109,8 @@ struct PageTable {
     VirtualBuffer<PageInfo> pointers;
 
     VirtualBuffer<u64> backing_addr;
+
+    size_t current_address_space_width_in_bits;
 };
 
 } // namespace Common
diff --git a/src/common/point.h b/src/common/point.h
new file mode 100644
index 000000000..c0a52ad8d
--- /dev/null
+++ b/src/common/point.h
@@ -0,0 +1,57 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <type_traits>
+
+namespace Common {
+
+// Represents a point within a 2D space.
+template <typename T>
+struct Point {
+    static_assert(std::is_arithmetic_v<T>, "T must be an arithmetic type!");
+
+    T x{};
+    T y{};
+
+#define ARITHMETIC_OP(op, compound_op)                                                             \
+    friend constexpr Point operator op(const Point& lhs, const Point& rhs) noexcept {              \
+        return {                                                                                   \
+            .x = static_cast<T>(lhs.x op rhs.x),                                                   \
+            .y = static_cast<T>(lhs.y op rhs.y),                                                   \
+        };                                                                                         \
+    }                                                                                              \
+    friend constexpr Point operator op(const Point& lhs, T value) noexcept {                       \
+        return {                                                                                   \
+            .x = static_cast<T>(lhs.x op value),                                                   \
+            .y = static_cast<T>(lhs.y op value),                                                   \
+        };                                                                                         \
+    }                                                                                              \
+    friend constexpr Point operator op(T value, const Point& rhs) noexcept {                       \
+        return {                                                                                   \
+            .x = static_cast<T>(value op rhs.x),                                                   \
+            .y = static_cast<T>(value op rhs.y),                                                   \
+        };                                                                                         \
+    }                                                                                              \
+    friend constexpr Point& operator compound_op(Point& lhs, const Point& rhs) noexcept {          \
+        lhs.x = static_cast<T>(lhs.x op rhs.x);                                                    \
+        lhs.y = static_cast<T>(lhs.y op rhs.y);                                                    \
+        return lhs;                                                                                \
+    }                                                                                              \
+    friend constexpr Point& operator compound_op(Point& lhs, T value) noexcept {                   \
+        lhs.x = static_cast<T>(lhs.x op value);                                                    \
+        lhs.y = static_cast<T>(lhs.y op value);                                                    \
+        return lhs;                                                                                \
+    }
+    ARITHMETIC_OP(+, +=)
+    ARITHMETIC_OP(-, -=)
+    ARITHMETIC_OP(*, *=)
+    ARITHMETIC_OP(/, /=)
+#undef ARITHMETIC_OP
+
+    friend constexpr bool operator==(const Point&, const Point&) = default;
+};
+
+} // namespace Common