Re: Regression: boot failure on AMD Elan TS-5500

[Eric W. Biederman]

Sean Young <sean@xxxxxxxx> writes:

> On Mon, Jun 30, 2008 at 02:52:10PM -0700, Jeremy Fitzhardinge wrote:
>> It's a bit odd that the boot loader neglected to set up ds properly, but 
>> changing the testb line to
>> 
>> 	testb $(1<<6), %cs:BP_loadflags(%esi)
>> 
>> should work.  (Or perhaps a %ss: override would be better?)
>
> Yup, it does (%cs: prefix).

Guys I have a fuzzy memory of reads and definitely writes through %cs not working,
on some processor models.  i386?

If that hadn't been the case I would have used that form more to remove the
dependencies before we reached lgdt in haed.S when I was in there years ago.

Eric
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