From 5876c2b65820df6b92d07d467f7d812e7e90f257 Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Wed, 4 Dec 2024 12:48:38 +0300
Subject: [PATCH] Add missing files.

---
 UnleashedRecomp/CMakeLists.txt      |  1 +
 UnleashedRecomp/framework.h         |  9 ++++++++-
 UnleashedRecomp/kernel/platform.cpp | 24 ++++++++++++++++++++++++
 UnleashedRecomp/kernel/platform.h   | 11 +++++++++++
 4 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 UnleashedRecomp/kernel/platform.cpp
 create mode 100644 UnleashedRecomp/kernel/platform.h

diff --git a/UnleashedRecomp/CMakeLists.txt b/UnleashedRecomp/CMakeLists.txt
index 2690905..72975fd 100644
--- a/UnleashedRecomp/CMakeLists.txt
+++ b/UnleashedRecomp/CMakeLists.txt
@@ -41,6 +41,7 @@ set(SWA_KERNEL_CXX_SOURCES
     "kernel/xdm.cpp"
     "kernel/heap.cpp"
     "kernel/memory.cpp"
+    "kernel/platform.cpp"
     "kernel/xam.cpp"
     "kernel/io/file_system.cpp"
 )
diff --git a/UnleashedRecomp/framework.h b/UnleashedRecomp/framework.h
index a8a8759..e870fec 100644
--- a/UnleashedRecomp/framework.h
+++ b/UnleashedRecomp/framework.h
@@ -14,6 +14,13 @@
 #define SWA_API extern "C" SWA_DLLIMPORT
 #endif
 
+#define PROC_ADDRESS(libraryName, procName) \
+    GetProcAddress(LoadLibrary(TEXT(libraryName)), procName)
+
+#define LIB_FUNCTION(returnType, libraryName, procName, ...) \
+    typedef returnType _##procName(__VA_ARGS__); \
+    _##procName* procName = (_##procName*)PROC_ADDRESS(libraryName, #procName);
+
 template<typename T>
 void ByteSwap(T& value)
 {
@@ -66,4 +73,4 @@ constexpr size_t FirstBitLow(TValue value)
     }
 
     return 0;
-}
\ No newline at end of file
+}
diff --git a/UnleashedRecomp/kernel/platform.cpp b/UnleashedRecomp/kernel/platform.cpp
new file mode 100644
index 0000000..97c072f
--- /dev/null
+++ b/UnleashedRecomp/kernel/platform.cpp
@@ -0,0 +1,24 @@
+#include <kernel/platform.h>
+
+#if _WIN32
+LIB_FUNCTION(LONG, "ntdll.dll", RtlGetVersion, PRTL_OSVERSIONINFOW);
+#endif
+
+PlatformVersion GetPlatformVersion()
+{
+    auto result = PlatformVersion{};
+
+#if _WIN32
+    OSVERSIONINFOEXW osvi = { 0 };
+    osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
+
+    if (RtlGetVersion((PRTL_OSVERSIONINFOW)&osvi) != 0)
+        return result;
+
+    result.Major = osvi.dwMajorVersion;
+    result.Minor = osvi.dwMinorVersion;
+    result.Build = osvi.dwBuildNumber;
+#endif
+
+    return result;
+}
diff --git a/UnleashedRecomp/kernel/platform.h b/UnleashedRecomp/kernel/platform.h
new file mode 100644
index 0000000..a03379a
--- /dev/null
+++ b/UnleashedRecomp/kernel/platform.h
@@ -0,0 +1,11 @@
+#pragma once
+
+struct PlatformVersion
+{
+public:
+    uint32_t Major{};
+    uint32_t Minor{};
+    uint32_t Build{};
+};
+
+extern PlatformVersion GetPlatformVersion();