Add all the files

src/Common/linux/platform.cpp

@@ -0,0 +1,23 @@
+#include <stdint.h>
+#include <time.h>
+
+uint32_t GetTickCount()
+{
+        struct timespec ts;
+	clock_gettime(CLOCK_MONOTONIC, &ts);
+        return (1000 * ts.tv_sec + ts.tv_nsec / 1000000);
+}
+
+#include <cpuid.h>
+
+void (__cpuid)(int __cpuVal[4], unsigned int __leaf)
+{
+	__cpuid(__cpuVal[0], __cpuVal[1], __cpuVal[2], __cpuVal[3], __leaf);
+}
+#undef __cpuid
+
+void __cpuidex (int __cpuid_info[4], int __leaf, int __subleaf)
+{
+  __cpuid_count (__leaf, __subleaf, __cpuid_info[0], __cpuid_info[1],
+		 __cpuid_info[2], __cpuid_info[3]);
+}