Subject: Re: Need help with timecounters/todr
To: None <root@garbled.net>
From: Izumi Tsutsui <tsutsui@ceres.dti.ne.jp>
List: port-alpha
Date: 02/25/2007 18:24:31
root@garbled.net wrote:
> On 24-Feb-2007 Izumi Tsutsui wrote:
> > Well, I completely agree with you, but I don't think
> > it's my part to split it into MI/MD part ;-)
> > (just I'd like to commit todr(9) diffs in my local tree)
>
> I would like to note that port-prep would benefit from having an MI 8254
> timecounter driver as well.. (I think thats what you're talking about here,
> right?)
No, AFAICT alpha uses CPU internal counter (PCC) for microtime(9) like
x86's TSC, and uses mc146818 compatible for hardclock(9) and todr(9).
(because TURBOchannel based machines don't have 8254 timer?)
---
Izumi Tsutsui