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authorWolfgang Denk <wd@denx.de>2009-11-15 23:13:40 +0100
committerWolfgang Denk <wd@denx.de>2009-11-15 23:13:40 +0100
commit06f43286c6354aaab0103615e83893512f86eee7 (patch)
treec0c6bc4819fa381a9e1a2a051492eb4813bd410b /include/linux
parentc758e947aa7d39a2be607ecdedd818ad300807b2 (diff)
parent3c014f1586d5bfe30dca7549396915c83f31cd30 (diff)
Merge branch 'master' into next
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/unaligned/be_byteshift.h70
-rw-r--r--include/linux/unaligned/le_byteshift.h70
2 files changed, 140 insertions, 0 deletions
diff --git a/include/linux/unaligned/be_byteshift.h b/include/linux/unaligned/be_byteshift.h
new file mode 100644
index 00000000000..9356b24223a
--- /dev/null
+++ b/include/linux/unaligned/be_byteshift.h
@@ -0,0 +1,70 @@
+#ifndef _LINUX_UNALIGNED_BE_BYTESHIFT_H
+#define _LINUX_UNALIGNED_BE_BYTESHIFT_H
+
+#include <linux/types.h>
+
+static inline u16 __get_unaligned_be16(const u8 *p)
+{
+ return p[0] << 8 | p[1];
+}
+
+static inline u32 __get_unaligned_be32(const u8 *p)
+{
+ return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3];
+}
+
+static inline u64 __get_unaligned_be64(const u8 *p)
+{
+ return (u64)__get_unaligned_be32(p) << 32 |
+ __get_unaligned_be32(p + 4);
+}
+
+static inline void __put_unaligned_be16(u16 val, u8 *p)
+{
+ *p++ = val >> 8;
+ *p++ = val;
+}
+
+static inline void __put_unaligned_be32(u32 val, u8 *p)
+{
+ __put_unaligned_be16(val >> 16, p);
+ __put_unaligned_be16(val, p + 2);
+}
+
+static inline void __put_unaligned_be64(u64 val, u8 *p)
+{
+ __put_unaligned_be32(val >> 32, p);
+ __put_unaligned_be32(val, p + 4);
+}
+
+static inline u16 get_unaligned_be16(const void *p)
+{
+ return __get_unaligned_be16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_be32(const void *p)
+{
+ return __get_unaligned_be32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_be64(const void *p)
+{
+ return __get_unaligned_be64((const u8 *)p);
+}
+
+static inline void put_unaligned_be16(u16 val, void *p)
+{
+ __put_unaligned_be16(val, p);
+}
+
+static inline void put_unaligned_be32(u32 val, void *p)
+{
+ __put_unaligned_be32(val, p);
+}
+
+static inline void put_unaligned_be64(u64 val, void *p)
+{
+ __put_unaligned_be64(val, p);
+}
+
+#endif /* _LINUX_UNALIGNED_BE_BYTESHIFT_H */
diff --git a/include/linux/unaligned/le_byteshift.h b/include/linux/unaligned/le_byteshift.h
new file mode 100644
index 00000000000..be376fb79b6
--- /dev/null
+++ b/include/linux/unaligned/le_byteshift.h
@@ -0,0 +1,70 @@
+#ifndef _LINUX_UNALIGNED_LE_BYTESHIFT_H
+#define _LINUX_UNALIGNED_LE_BYTESHIFT_H
+
+#include <linux/types.h>
+
+static inline u16 __get_unaligned_le16(const u8 *p)
+{
+ return p[0] | p[1] << 8;
+}
+
+static inline u32 __get_unaligned_le32(const u8 *p)
+{
+ return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24;
+}
+
+static inline u64 __get_unaligned_le64(const u8 *p)
+{
+ return (u64)__get_unaligned_le32(p + 4) << 32 |
+ __get_unaligned_le32(p);
+}
+
+static inline void __put_unaligned_le16(u16 val, u8 *p)
+{
+ *p++ = val;
+ *p++ = val >> 8;
+}
+
+static inline void __put_unaligned_le32(u32 val, u8 *p)
+{
+ __put_unaligned_le16(val >> 16, p + 2);
+ __put_unaligned_le16(val, p);
+}
+
+static inline void __put_unaligned_le64(u64 val, u8 *p)
+{
+ __put_unaligned_le32(val >> 32, p + 4);
+ __put_unaligned_le32(val, p);
+}
+
+static inline u16 get_unaligned_le16(const void *p)
+{
+ return __get_unaligned_le16((const u8 *)p);
+}
+
+static inline u32 get_unaligned_le32(const void *p)
+{
+ return __get_unaligned_le32((const u8 *)p);
+}
+
+static inline u64 get_unaligned_le64(const void *p)
+{
+ return __get_unaligned_le64((const u8 *)p);
+}
+
+static inline void put_unaligned_le16(u16 val, void *p)
+{
+ __put_unaligned_le16(val, p);
+}
+
+static inline void put_unaligned_le32(u32 val, void *p)
+{
+ __put_unaligned_le32(val, p);
+}
+
+static inline void put_unaligned_le64(u64 val, void *p)
+{
+ __put_unaligned_le64(val, p);
+}
+
+#endif /* _LINUX_UNALIGNED_LE_BYTESHIFT_H */