Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / include / linux / unaligned / generic.h

diff --git a/qemu/roms/u-boot/include/linux/unaligned/generic.h b/qemu/roms/u-boot/include/linux/unaligned/generic.h
new file mode 100644 (file)
index 0000000..02d97ff
--- /dev/null
+++ b/qemu/roms/u-boot/include/linux/unaligned/generic.h
@@ -0,0 +1,68 @@
+#ifndef _LINUX_UNALIGNED_GENERIC_H
+#define _LINUX_UNALIGNED_GENERIC_H
+
+/*
+ * Cause a link-time error if we try an unaligned access other than
+ * 1,2,4 or 8 bytes long
+ */
+extern void __bad_unaligned_access_size(void);
+
+#define __get_unaligned_le(ptr) ((__force typeof(*(ptr)))({                    \
+       __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
+       __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)),   \
+       __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)),   \
+       __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)),   \
+       __bad_unaligned_access_size()))));                                      \
+       }))
+
+#define __get_unaligned_be(ptr) ((__force typeof(*(ptr)))({                    \
+       __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr),                      \
+       __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_be16((ptr)),   \
+       __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_be32((ptr)),   \
+       __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_be64((ptr)),   \
+       __bad_unaligned_access_size()))));                                      \
+       }))
+
+#define __put_unaligned_le(val, ptr) ({                                        \
+       void *__gu_p = (ptr);                                           \
+       switch (sizeof(*(ptr))) {                                       \
+       case 1:                                                         \
+               *(u8 *)__gu_p = (__force u8)(val);                      \
+               break;                                                  \
+       case 2:                                                         \
+               put_unaligned_le16((__force u16)(val), __gu_p);         \
+               break;                                                  \
+       case 4:                                                         \
+               put_unaligned_le32((__force u32)(val), __gu_p);         \
+               break;                                                  \
+       case 8:                                                         \
+               put_unaligned_le64((__force u64)(val), __gu_p);         \
+               break;                                                  \
+       default:                                                        \
+               __bad_unaligned_access_size();                          \
+               break;                                                  \
+       }                                                               \
+       (void)0; })
+
+#define __put_unaligned_be(val, ptr) ({                                        \
+       void *__gu_p = (ptr);                                           \
+       switch (sizeof(*(ptr))) {                                       \
+       case 1:                                                         \
+               *(u8 *)__gu_p = (__force u8)(val);                      \
+               break;                                                  \
+       case 2:                                                         \
+               put_unaligned_be16((__force u16)(val), __gu_p);         \
+               break;                                                  \
+       case 4:                                                         \
+               put_unaligned_be32((__force u32)(val), __gu_p);         \
+               break;                                                  \
+       case 8:                                                         \
+               put_unaligned_be64((__force u64)(val), __gu_p);         \
+               break;                                                  \
+       default:                                                        \
+               __bad_unaligned_access_size();                          \
+               break;                                                  \
+       }                                                               \
+       (void)0; })
+
+#endif /* _LINUX_UNALIGNED_GENERIC_H */