Atsushi Nemoto wrote: [snip] > + * See "Spec" in memcpy.S for details. Unlike __copy_user, all > + * function in this file use the standard calling convention. > + */ > + > +#define src a0 > +#define dst a1 > +#define len a2 > +#define psum a3 > +#define sum v0 > +#define odd t5 > +#define errptr t6 Does this work for 64 bit? t5/t6/t7 look weird for that. Thiemo