From 541b4353e4a85a1f10c53d643ea48b8e31363a62 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 13 Feb 2021 01:07:23 -0800
Subject: hle: kernel: Add initial KMemoryRegionType module.

---
 src/core/CMakeLists.txt                    |  1 +
 src/core/hle/kernel/k_memory_region.h      | 36 +++++++++++++++---------------
 src/core/hle/kernel/k_memory_region_type.h | 22 ++++++++++++++++++
 3 files changed, 41 insertions(+), 18 deletions(-)
 create mode 100644 src/core/hle/kernel/k_memory_region_type.h

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index d9eea00ca..299f1ed13 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -173,6 +173,7 @@ add_library(core STATIC
     hle/kernel/k_memory_manager.cpp
     hle/kernel/k_memory_manager.h
     hle/kernel/k_memory_region.h
+    hle/kernel/k_memory_region_type.h
     hle/kernel/k_page_bitmap.h
     hle/kernel/k_page_heap.cpp
     hle/kernel/k_page_heap.h
diff --git a/src/core/hle/kernel/k_memory_region.h b/src/core/hle/kernel/k_memory_region.h
index de236df6a..afa89011c 100644
--- a/src/core/hle/kernel/k_memory_region.h
+++ b/src/core/hle/kernel/k_memory_region.h
@@ -7,15 +7,26 @@
 #include "common/assert.h"
 #include "common/common_types.h"
 #include "common/intrusive_red_black_tree.h"
+#include "core/hle/kernel/k_memory_region_type.h"
 
 namespace Kernel {
 
 class KMemoryRegion final : public Common::IntrusiveRedBlackTreeBaseNode<KMemoryRegion>,
                             NonCopyable {
-    friend class KMemoryLayout;
     friend class KMemoryRegionTree;
 
 public:
+    constexpr KMemoryRegion() = default;
+    constexpr KMemoryRegion(u64 address_, u64 last_address_)
+        : address{address_}, last_address{last_address_} {}
+    constexpr KMemoryRegion(u64 address_, u64 last_address_, u64 pair_address_, u32 attributes_,
+                            u32 type_id_)
+        : address(address_), last_address(last_address_), pair_address(pair_address_),
+          attributes(attributes_), type_id(type_id_) {}
+    constexpr KMemoryRegion(u64 address_, u64 last_address_, u32 attributes_, u32 type_id_)
+        : KMemoryRegion(address_, last_address_, std::numeric_limits<uintptr_t>::max(), attributes_,
+                        type_id_) {}
+
     static constexpr int Compare(const KMemoryRegion& lhs, const KMemoryRegion& rhs) {
         if (lhs.GetAddress() < rhs.GetAddress()) {
             return -1;
@@ -68,9 +79,9 @@ public:
         return (this->GetType() | type) == this->GetType();
     }
 
-    // constexpr bool HasTypeAttribute(KMemoryRegionAttr attr) const {
-    //    return (this->GetType() | attr) == this->GetType();
-    //}
+    constexpr bool HasTypeAttribute(KMemoryRegionAttr attr) const {
+        return (this->GetType() | static_cast<u32>(attr)) == this->GetType();
+    }
 
     constexpr bool CanDerive(u32 type) const {
         return (this->GetType() | type) == type;
@@ -80,22 +91,11 @@ public:
         pair_address = a;
     }
 
-    // constexpr void SetTypeAttribute(KMemoryRegionAttr attr) {
-    //    type_id |= attr;
-    //}
+    constexpr void SetTypeAttribute(KMemoryRegionAttr attr) {
+        type_id |= static_cast<u32>(attr);
+    }
 
 private:
-    constexpr KMemoryRegion() = default;
-    constexpr KMemoryRegion(u64 address_, u64 last_address_)
-        : address{address_}, last_address{last_address_} {}
-    constexpr KMemoryRegion(u64 address_, u64 last_address_, u64 pair_address_, u32 attributes_,
-                            u32 type_id_)
-        : address(address_), last_address(last_address_), pair_address(pair_address_),
-          attributes(attributes_), type_id(type_id_) {}
-    constexpr KMemoryRegion(u64 address_, u64 last_address_, u32 attributes_, u32 type_id_)
-        : KMemoryRegion(address_, last_address_, std::numeric_limits<uintptr_t>::max(), attributes_,
-                        type_id_) {}
-
     const u64 address{};
     const u64 last_address{};
     u64 pair_address{};
diff --git a/src/core/hle/kernel/k_memory_region_type.h b/src/core/hle/kernel/k_memory_region_type.h
new file mode 100644
index 000000000..6fb5abde9
--- /dev/null
+++ b/src/core/hle/kernel/k_memory_region_type.h
@@ -0,0 +1,22 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_types.h"
+
+namespace Kernel {
+
+enum class KMemoryRegionType : u32 {};
+
+enum class KMemoryRegionAttr : typename std::underlying_type<KMemoryRegionType>::type {
+    CarveoutProtected = 0x04000000,
+    DidKernelMap = 0x08000000,
+    ShouldKernelMap = 0x10000000,
+    UserReadOnly = 0x20000000,
+    NoUserMap = 0x40000000,
+    LinearMapped = 0x80000000,
+};
+
+} // namespace Kernel
-- 
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