On 20-Mar-01 Bruce Evans wrote:
> On Mon, 19 Mar 2001, John Baldwin wrote:
>> Hmmm.  An eip of 0 is bad.  This could be just another instance of the bzero
>> bug just in another place.  You probably want to change the code that
>> actually
>> sets *bzero to i586_bzero (and same for any other ops that use floating
>> point).
>> The code in question for this lies in i386/isa/npx.c.  It seems we use the
>> fp
>> regs for copyin/copyout and bcopy as well.  I would just change line 458 of
>> npx.c to say '#ifdef I586_CPU_XXX' for now as your temporary patch (then you
>> don't need to patch pmap_zero_page() anymore.)
> There is no need to change anything.  Just disable the fp optimizations
> using the npx flags.

That works, too, but until i586_* are fixed they need to default to off, not to
on. :)  I'm not suggesting committing this, just suggesting a local hack for
testing anyways.

> Bruce


John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
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