Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/arch/mips/include/asm/byteorder.h b/qemu/roms/u-boot/arch/mips/include/asm/byteorder.h
new file mode 100644 (file)
index 0000000..b5e685f
--- /dev/null
+++ b/qemu/roms/u-boot/arch/mips/include/asm/byteorder.h
@@ -0,0 +1,75 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 99, 2003 by Ralf Baechle
+ */
+#ifndef _ASM_BYTEORDER_H
+#define _ASM_BYTEORDER_H
+
+#include <asm/types.h>
+
+#ifdef __GNUC__
+
+#ifdef CONFIG_CPU_MIPSR2
+
+static __inline__ __attribute_const__ __u16 ___arch__swab16(__u16 x)
+{
+       __asm__(
+       "       wsbh    %0, %1                  \n"
+       : "=r" (x)
+       : "r" (x));
+
+       return x;
+}
+#define __arch__swab16(x)      ___arch__swab16(x)
+
+static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+       __asm__(
+       "       wsbh    %0, %1                  \n"
+       "       rotr    %0, %0, 16              \n"
+       : "=r" (x)
+       : "r" (x));
+
+       return x;
+}
+#define __arch__swab32(x)      ___arch__swab32(x)
+
+#ifdef CONFIG_CPU_MIPS64_R2
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+{
+       __asm__(
+       "       dsbh    %0, %1                  \n"
+       "       dshd    %0, %0                  \n"
+       "       drotr   %0, %0, 32              \n"
+       : "=r" (x)
+       : "r" (x));
+
+       return x;
+}
+
+#define __arch__swab64(x)      ___arch__swab64(x)
+
+#endif /* CONFIG_CPU_MIPS64_R2 */
+
+#endif /* CONFIG_CPU_MIPSR2 */
+
+#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
+#  define __BYTEORDER_HAS_U64__
+#  define __SWAB_64_THRU_32__
+#endif
+
+#endif /* __GNUC__ */
+
+#if defined(__MIPSEB__)
+#  include <linux/byteorder/big_endian.h>
+#elif defined(__MIPSEL__)
+#  include <linux/byteorder/little_endian.h>
+#else
+#  error "MIPS, but neither __MIPSEB__, nor __MIPSEL__???"
+#endif
+
+#endif /* _ASM_BYTEORDER_H */