diff --git a/include/cpuid.h b/include/cpuid.h
new file mode 100644
index 0000000..bde58ca
--- /dev/null
+++ b/include/cpuid.h
@@ -0,0 +1,24 @@
+
+inline bool cansetflag (u32 flag)
+{
+u32 r1, r2;
+asm("pushfl\n"
+"popl %0\n"
+"movl %0, %1\n"
+"xorl %2, %0\n"
+"pushl %0\n"
+"popfl\n"
+"pushfl\n"
+"popl %0\n"
+"pushl %1\n"
+"popfl\n"
+: "=&r" (r1), "=&r" (r2)
+: "ir" (flag)
+);
+return ((r1 ^ r2) & flag) != 0;
+}
+
+inline void cpuid(u32 op, u32 *eax, u32 *ebx,u32 *ecx, u32 *edx)
+{
+	asm("cpuid" : "=a" (*eax), "=b" (*ebx), "=c" (*ecx), "=d" (*edx)	: "a" (op) : "cc");
+}