1 files changed, 29 insertions, 0 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h
index a72f69f..03213ce 100644
--- a/include/qemu/bitops.h
+++ b/include/qemu/bitops.h
@@ -292,6 +292,35 @@ static inline uint64_t ror64(uint64_t word, unsigned int shift)
 }
 
 /**
+ * hswap32 - swap 16-bit halfwords within a 32-bit value
+ * @h: value to swap
+ */
+static inline uint32_t hswap32(uint32_t h)
+{
+    return rol32(h, 16);
+}
+
+/**
+ * hswap64 - swap 16-bit halfwords within a 64-bit value
+ * @h: value to swap
+ */
+static inline uint64_t hswap64(uint64_t h)
+{
+    uint64_t m = 0x0000ffff0000ffffull;
+    h = rol64(h, 32);
+    return ((h & m) << 16) | ((h >> 16) & m);
+}
+
+/**
+ * wswap64 - swap 32-bit words within a 64-bit value
+ * @h: value to swap
+ */
+static inline uint64_t wswap64(uint64_t h)
+{
+    return rol64(h, 32);
+}
+
+/**
  * extract32:
  * @value: the value to extract the bit field from
  * @start: the lowest bit in the bit field (numbered from 0)