Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / x86 / include / asm / byteorder.h

diff --git a/qemu/roms/u-boot/arch/x86/include/asm/byteorder.h b/qemu/roms/u-boot/arch/x86/include/asm/byteorder.h
new file mode 100644 (file)
index 0000000..7dfeb8b
--- /dev/null
+++ b/qemu/roms/u-boot/arch/x86/include/asm/byteorder.h
@@ -0,0 +1,43 @@
+#ifndef _I386_BYTEORDER_H
+#define _I386_BYTEORDER_H
+
+#include <asm/types.h>
+
+#ifdef __GNUC__
+
+
+static __inline__ __u32 ___arch__swab32(__u32 x)
+{
+#ifdef CONFIG_X86_BSWAP
+       __asm__("bswap %0" : "=r" (x) : "0" (x));
+#else
+       __asm__("xchgb %b0,%h0\n\t"     /* swap lower bytes     */
+               "rorl $16,%0\n\t"       /* swap words           */
+               "xchgb %b0,%h0"         /* swap higher bytes    */
+               :"=q" (x)
+               : "0" (x));
+#endif
+       return x;
+}
+
+static __inline__ __u16 ___arch__swab16(__u16 x)
+{
+       __asm__("xchgb %b0,%h0"         /* swap bytes           */ \
+               : "=q" (x) \
+               :  "0" (x)); \
+               return x;
+}
+
+#define __arch__swab32(x) ___arch__swab32(x)
+#define __arch__swab16(x) ___arch__swab16(x)
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __BYTEORDER_HAS_U64__
+#  define __SWAB_64_THRU_32__
+#endif
+
+#endif /* __GNUC__ */
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _I386_BYTEORDER_H */