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

   1 Index: linux-2.6.22-rc6/include/asm-mips/byteorder.h
   2 ===================================================================
   3 --- linux-2.6.22-rc6.orig/include/asm-mips/byteorder.h
   4 +++ linux-2.6.22-rc6/include/asm-mips/byteorder.h
   5 @@ -58,6 +58,35 @@ static __inline__ __attribute_const__ __
   6
   7  #endif /* CONFIG_CPU_MIPSR2 */
   8
   9 +#ifdef CONFIG_ADM5120_HARDWARE_SWAB
  10 +
  11 +static __inline__ __attribute_const__ __u16 ___adm5120__swab16(__u16 x)
  12 +{
  13 +       __asm__ (
  14 +       "       sh      %2, 0xCA(%1)                    \n"
  15 +       "       lhu     %0, 0xCC(%1)                    \n"
  16 +       : "=r" (x)
  17 +       : "r" (0xB2000000), "r" (x));
  18 +
  19 +       return x;
  20 +}
  21 +
  22 +static __inline__ __attribute_const__ __u32 ___adm5120__swab32(__u32 x)
  23 +{
  24 +       __asm__ (
  25 +       "       sw      %2, 0xC8(%1)                    \n"
  26 +       "       lw      %0, 0xCC(%1)                    \n"
  27 +       : "=r" (x)
  28 +       : "r" (0xB2000000), "r" (x));
  29 +
  30 +       return x;
  31 +}
  32 +
  33 +#define __arch__swab16(x)      ___adm5120__swab16(x)
  34 +#define __arch__swab32(x)      ___adm5120__swab32(x)
  35 +
  36 +#endif /* CONFIG_ADM5120_HARDWARE_SWAB */
  37 +
  38  #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
  39  #  define __BYTEORDER_HAS_U64__
  40  #  define __SWAB_64_THRU_32__