First steps

public/tier0/platform.h

@@ -153,6 +153,12 @@
 		#define IsOSX() false
 	#endif
 	
+	#if defined( ANDROID )
+		#define IsAndroid() true
+	#else
+		#define IsAndroid() false
+	#endif
+
 	#define IsPosix() true
 	#define IsPlatformOpenGL() true
 #else
@@ -1160,7 +1166,11 @@ PLATFORM_INTERFACE struct tm *		Plat_localtime( const time_t *timep, struct tm *
 
 inline uint64 Plat_Rdtsc()
 {
-#if defined( _X360 )
+#if defined(__arm__) && defined(ANDROID)
+	struct timespec ts;
+	clock_gettime(CLOCK_REALTIME, &ts);
+	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+#elif defined( _X360 )
 	return ( uint64 )__mftb32();
 #elif defined( _WIN64 )
 	return ( uint64 )__rdtsc();