On 11/05/2014 09:14 PM, [email protected] wrote:
> Hi, experts:
>
> I am studying IA32/X64 Programmer manual.
>
> There is a sentence(Volume-3A, 10.11.5 Section):
>
> On a hardware reset, the P6 and more recent processors clear the valid
> flags in variable-range MTRRs and
>
> clear the E flag in the IA32_MTRR_DEF_TYPE MSR to disable
>
> all MTRRs. All other bits in the MTRRs are undefined.
>
> So, how about FE bit in IA32_MTRR_DEF_TYPE MSR?
>
> Is it also be cleared on a hardware reset?
I believe so.
--
Brian
--------------------------------------------------------------------
Q: Why'd the guy get fired from his job at the orange juice factory?
A: He couldn't concentrate!
-- Andy's Garage Sale
------------------------------------------------------------------------------
_______________________________________________
edk2-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/edk2-devel
