1 files changed, 30 insertions, 6 deletions
diff --git a/src/lib.rs b/src/lib.rs
index fb823aa..6e0901d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,12 +9,6 @@
 #[macro_use]
 mod bitflags;
 
-macro_rules! bit {
-    ( $x:expr ) => {
-        1 << $x
-    };
-}
-
 #[macro_use]
 extern crate raw_cpuid;
 
@@ -28,6 +22,36 @@ mod std {
     pub use core::option;
 }
 
+macro_rules! bit {
+    ( $x:expr ) => {
+        1 << $x
+    };
+}
+
+macro_rules! check_flag {
+    ($doc:meta, $fun:ident, $flag:ident) => (
+        #[$doc]
+        pub fn $fun(&self) -> bool {
+            self.contains($flag)
+        }
+    )
+}
+
+macro_rules! is_bit_set {
+    ($field:expr, $bit:expr) => (
+        $field & (1 << $bit) > 0
+    )
+}
+
+macro_rules! check_bit_fn {
+    ($doc:meta, $fun:ident, $field:ident, $bit:expr) => (
+        #[$doc]
+        pub fn $fun(&self) -> bool {
+            is_bit_set!(self.$field, $bit)
+        }
+    )
+}
+
 pub mod io;
 pub mod controlregs;
 pub mod msr;