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-rw-r--r--libc/kernel/arch-arm/asm/byteorder.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/libc/kernel/arch-arm/asm/byteorder.h b/libc/kernel/arch-arm/asm/byteorder.h
new file mode 100644
index 0000000..4da37bf
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/byteorder.h
@@ -0,0 +1,51 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARM_BYTEORDER_H
+#define __ASM_ARM_BYTEORDER_H
+
+#include <linux/compiler.h>
+#include <asm/types.h>
+
+static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+ __u32 t;
+
+#ifndef __thumb__
+ if (!__builtin_constant_p(x)) {
+
+ asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
+ } else
+#endif
+ t = x ^ ((x << 16) | (x >> 16));
+
+ x = (x << 24) | (x >> 8);
+ t &= ~0x00FF0000;
+ x ^= (t >> 8);
+
+ return x;
+}
+
+#define __arch__swab32(x) ___arch__swab32(x)
+
+#ifndef __STRICT_ANSI__
+#define __BYTEORDER_HAS_U64__
+#define __SWAB_64_THRU_32__
+#endif
+
+#ifdef __ARMEB__
+#include <linux/byteorder/big_endian.h>
+#else
+#include <linux/byteorder/little_endian.h>
+#endif
+
+#endif
+