est module

[Johannes Hofmann]

YONETANI Tomokazu <qhwt+dfly at xxxxxxxxxx> wrote:
> On Thu, Jun 22, 2006 at 03:36:38PM +0200, joerg at xxxxxxxxxxxxxxxxx wrote:
>> On Thu, Jun 22, 2006 at 02:42:58PM +0200, Thomas Schlesinger wrote:
>> > Unfortunately, it seems not to support my Pentium-M 1.73GHz (Pentium M-740, 
>> > 533MHz FSB):
>> 
>> NetBSD has
>> /* Intel Pentium M processor 740 1.73 GHz */
>> static const struct fq_info pentium_m_n740[] = {
>>        { 1733, 1356 },
>>        { 1333, 1212 },
>>        { 1067, 1100 },
>>        {  800,  988 },
>> };
>> 
>> static const struct fqlist pentium_m_dothan[] = {
>>       ...
>>         ENTRY("1.73", 0x06d8, pentium_m_n740, 4),
>>       ...
>> };
>> 
>> Try to adopt it.
> 
> I'm starting to feel that we'd probably get a better EST support
> to port from NetBSD for now than sticking with the current version,
> since FreeBSD decided to rely on _PSS object in ACPI table to
> retrieve voltage/frequency data for newer/yet-to-be documented
> Pentium-M CPUs, and we haven't ported it yet and probably that'll take
> longer than to port NetBSD version of EST driver.
> 
> So my question is: Thomas(and anybody else), can you try my untested
> patch and see if it works for you? (untested because I don't have
> access to any Pentium-M machines now)
> 
> $ cd /sys/dev/est
> $ export MAKEOBJDIRPREFIX=$HOME/obj             (/bin/sh syntax)
> $ setenv MAKEOBJDIRPREFIX $HOME/obj             (/bin/csh syntax)
> 
> $ fetch -o est.c http://les.ath.cx/DragonFly/netbsd-est.c
> $ make cleandir; make cleandir
> $ make obj && make depend && make
> $ su
> # make install
> (make sure you don't have `est_load="YES"' line
> in /boot/loader.conf or /etc/sysctl.conf now)
> 
> # shutdown now
> # umount -a; mount -ur /
> (so as your partitions won't get damaged on kernel panic)
> 
> Good luck.

Hi, with this patch I only see the syctl for available freqs:

hofmann at blob:~ >sysctl machdep.est
machdep.est.frequency.available: 1800 1600 1400 1200 1000 800 600
hofmann at blob:~ >

No idea why though...

  Johannes