On 05/23/2012 11:37 AM, Thomas Gleixner wrote:
>>
>> That works, but replaces one problem with another: now we have two
>> sources for the same data, and need to juggle between them depending on
>> register number (either synchronizing in both directions, or special
>> casing); so you're simplifying one thing at the expense of the other.
>> If the microcode starts accessing more registers, then having two
>> layouts becomes even uglier.
>
> Fair enough :)
Yes, the µcode accessing this data structure directly probably falls
under the category of a legitimate need to stick to the hardware format.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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