target/linux/adm5120-2.6/patches/008-adm5120_hardware_swab.patch

   1 --- linux-2.6.19.2/include/asm-mips/byteorder.h 2007-01-10 20:10:37.000000000 +0100
   2 +++ linux-2.6.19.2.new/include/asm-mips/byteorder.h     2007-05-16 21:14:47.000000000 +0200
   3 @@ -58,6 +58,35 @@
   4
   5  #endif /* CONFIG_CPU_MIPSR2 */
   6
   7 +#ifdef CONFIG_ADM5120_HARDWARE_SWAB
   8 +
   9 +static __inline__ __attribute_const__ __u16 ___adm5120__swab16(__u16 x)
  10 +{
  11 +       __asm__ (
  12 +       "       sh      %2, 0xCA(%1)                    \n"
  13 +       "       lhu     %0, 0xCC(%1)                    \n"
  14 +       : "=r" (x)
  15 +       : "r" (0xB2000000), "r" (x));
  16 +
  17 +       return x;
  18 +}
  19 +
  20 +static __inline__ __attribute_const__ __u32 ___adm5120__swab32(__u32 x)
  21 +{
  22 +       __asm__ (
  23 +       "       sw      %2, 0xC8(%1)                    \n"
  24 +       "       lw      %0, 0xCC(%1)                    \n"
  25 +       : "=r" (x)
  26 +       : "r" (0xB2000000), "r" (x));
  27 +
  28 +       return x;
  29 +}
  30 +
  31 +#define __arch__swab16(x)      ___adm5120__swab16(x)
  32 +#define __arch__swab32(x)      ___adm5120__swab32(x)
  33 +
  34 +#endif /* CONFIG_ADM5120_HARDWARE_SWAB */
  35 +
  36  #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
  37  #  define __BYTEORDER_HAS_U64__
  38  #  define __SWAB_64_THRU_32__