Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / rotate.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/rotate.h b/qemu/roms/ipxe/src/include/ipxe/rotate.h
new file mode 100644 (file)
index 0000000..ba271ca
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/rotate.h
@@ -0,0 +1,33 @@
+#ifndef _IPXE_ROTATE_H
+#define _IPXE_ROTATE_H
+
+/** @file
+ *
+ * Bit operations
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+
+static inline __attribute__ (( always_inline )) uint32_t
+rol32 ( uint32_t data, unsigned int rotation ) {
+        return ( ( data << rotation ) | ( data >> ( 32 - rotation ) ) );
+}
+
+static inline __attribute__ (( always_inline )) uint32_t
+ror32 ( uint32_t data, unsigned int rotation ) {
+        return ( ( data >> rotation ) | ( data << ( 32 - rotation ) ) );
+}
+
+static inline __attribute__ (( always_inline )) uint64_t
+rol64 ( uint64_t data, unsigned int rotation ) {
+        return ( ( data << rotation ) | ( data >> ( 64 - rotation ) ) );
+}
+
+static inline __attribute__ (( always_inline )) uint64_t
+ror64 ( uint64_t data, unsigned int rotation ) {
+        return ( ( data >> rotation ) | ( data << ( 64 - rotation ) ) );
+}
+
+#endif /* _IPXE_ROTATE_H */