Re: problem with prefetch in user space

[Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>]

Tim Lai wrote:
> Thanks. 
> I did some search and find no answer. How do I define %0 as a register input 
> and
> assign the value of "addr" to it?

Something like:

        __asm__ __volatile__(
                ".set push\n"
                ".set mips4\n"
                "pref " PREF_OP ", 0(%0)\n"
                ".set pop\n"
                : "=r" (addr));

For more information: "info gcc" and the kernel sources.


Thiemo