[coreboot] libpayload TSC dependency

Stefan Reinauer stepan at coresystems.de
Fri Feb 5 18:25:14 CET 2010


On 2/5/10 5:23 PM, ron minnich wrote:
> On Fri, Feb 5, 2010 at 3:12 AM, bifferos <bifferos at yahoo.co.uk> wrote:
>
>   
>> cpu_khz gets exposed as a global, so it's going to be very difficult
>> to support CPUs without TSC, without changing the mechanisms some
>> payloads use to do timing.  If you don't have TSC, then cpu_khz is
>> largely irrelevant, but FILO accesses it directly.
>>     
>
> There's no way to just make it relevant? Can't a non-TSC CPU support
> something meaningful in that variable?
> (I don't know,just asking)
>   
FILO uses this for its timeouts in various places. If there is a better
way to do what FILO does, FILO should be fixed




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