summaryrefslogtreecommitdiff
path: root/libdde_linux26/contrib/include/linux/unaligned/memmove.h
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 05:56:38 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 05:56:38 +0100
commit19796a75ab8ba43b31e230ea169d5383c6392bfc (patch)
tree3041c5678e06133dd7fcbf2ebf34b6506334f677 /libdde_linux26/contrib/include/linux/unaligned/memmove.h
parent6b2e5e0d91823c2a6ce5a5cb12ae3d00b82adae7 (diff)
parent8df772b3c665e663f6f9d2a70f9c691590bd3f91 (diff)
Merge branch 'dde' into upstream-merged
Diffstat (limited to 'libdde_linux26/contrib/include/linux/unaligned/memmove.h')
-rw-r--r--libdde_linux26/contrib/include/linux/unaligned/memmove.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/unaligned/memmove.h b/libdde_linux26/contrib/include/linux/unaligned/memmove.h
new file mode 100644
index 00000000..eeb5a779
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/unaligned/memmove.h
@@ -0,0 +1,45 @@
+#ifndef _LINUX_UNALIGNED_MEMMOVE_H
+#define _LINUX_UNALIGNED_MEMMOVE_H
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
+
+static inline u16 __get_unaligned_memmove16(const void *p)
+{
+ u16 tmp;
+ memmove(&tmp, p, 2);
+ return tmp;
+}
+
+static inline u32 __get_unaligned_memmove32(const void *p)
+{
+ u32 tmp;
+ memmove(&tmp, p, 4);
+ return tmp;
+}
+
+static inline u64 __get_unaligned_memmove64(const void *p)
+{
+ u64 tmp;
+ memmove(&tmp, p, 8);
+ return tmp;
+}
+
+static inline void __put_unaligned_memmove16(u16 val, void *p)
+{
+ memmove(p, &val, 2);
+}
+
+static inline void __put_unaligned_memmove32(u32 val, void *p)
+{
+ memmove(p, &val, 4);
+}
+
+static inline void __put_unaligned_memmove64(u64 val, void *p)
+{
+ memmove(p, &val, 8);
+}
+
+#endif /* _LINUX_UNALIGNED_MEMMOVE_H */