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diff --git a/src/common/platform.h b/src/common/platform.h
new file mode 100644
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--- /dev/null
+++ b/src/common/platform.h
@@ -0,0 +1,142 @@
+/**
+ * Copyright (C) 2005-2012 Gekko Emulator
+ *
+ * @file    platform.h
+ * @author  ShizZy <shizzy247@gmail.com>
+ * @date    2012-02-11
+ * @brief   Platform detection macros for portable compilation
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#ifndef COMMON_PLATFORM_H_
+#define COMMON_PLATFORM_H_
+
+#include "common_types.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Platform definitions
+
+/// Enumeration for defining the supported platforms
+#define PLATFORM_NULL 0
+#define PLATFORM_WINDOWS 1
+#define PLATFORM_MACOSX 2
+#define PLATFORM_LINUX 3
+#define PLATFORM_ANDROID 4
+#define PLATFORM_IOS 5
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Platform detection
+
+#ifndef EMU_PLATFORM
+
+#if defined( __WIN32__ ) || defined( _WIN32 )
+#define EMU_PLATFORM PLATFORM_WINDOWS
+
+#elif defined( __APPLE__ ) || defined( __APPLE_CC__ )
+#define EMU_PLATFORM PLATFORM_MAXOSX
+
+#elif defined(__linux__)
+#define EMU_PLATFORM PLATFORM_LINUX
+
+#else // Assume linux otherwise
+#define EMU_PLATFORM PLATFORM_LINUX
+
+#endif
+
+#endif
+
+#if defined(__x86_64__) || defined(_M_X64) || defined(__alpha__) || defined(__ia64__)
+#define EMU_ARCHITECTURE_X64
+#else
+#define EMU_ARCHITECTURE_X86
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Compiler-Specific Definitions
+
+#if EMU_PLATFORM == PLATFORM_WINDOWS
+
+#include <time.h>
+
+#define NOMINMAX
+#define EMU_FASTCALL __fastcall
+
+inline struct tm* localtime_r(const time_t *clock, struct tm *result) {
+    if (localtime_s(result, clock) == 0)
+        return result;
+    return NULL;
+}
+
+#else
+
+#define EMU_FASTCALL __attribute__((fastcall))
+#define __stdcall
+#define __cdecl
+
+#define LONG long
+#define BOOL bool
+#define DWORD u32
+
+#endif
+
+#if EMU_PLATFORM != PLATFORM_WINDOWS
+
+// TODO: Hacks..
+#include <limits.h>
+#define MAX_PATH PATH_MAX
+
+#include <strings.h>
+#define stricmp(str1, str2) strcasecmp(str1, str2)
+#define _stricmp(str1, str2) strcasecmp(str1, str2)
+#define _snprintf snprintf
+#define _getcwd getcwd
+#define _tzset tzset
+
+typedef void EXCEPTION_POINTERS;
+
+inline u32 _rotl(u32 x, int shift) {
+    shift &= 31;
+    if (0 == shift) {
+        return x;
+    }
+    return (x << shift) | (x >> (32 - shift));
+}
+
+inline u64 _rotl64(u64 x, u32 shift){
+    u32 n = shift % 64;
+    return (x << n) | (x >> (64 - n));
+}
+
+inline u32 _rotr(u32 x, int shift) {
+    shift &= 31;
+    if (0 == shift) {
+        return x;
+    }
+    return (x >> shift) | (x << (32 - shift));
+}
+
+inline u64 _rotr64(u64 x, u32 shift){
+    u32 n = shift % 64;
+    return (x >> n) | (x << (64 - n));
+}
+
+#endif
+
+#define GCC_VERSION_AVAILABLE(major, minor) (defined(__GNUC__) &&  (__GNUC__ > (major) || \
+    (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))))
+
+#endif // COMMON_PLATFORM_H_