From: Gerd Hoffmann <kraxel@redhat.com>
To: "Kevin O'Connor" <kevin@koconnor.net>
Cc: seabios@seabios.org, kvm@vger.kernel.org
Subject: Re: [SeaBIOS] [PATCH v3] add acpi pmtimer support
Date: Thu, 06 Sep 2012 08:03:00 +0200 [thread overview]
Message-ID: <50483C94.2050101@redhat.com> (raw)
In-Reply-To: <20120905232823.GA11847@morn.localdomain>
On 09/06/12 01:28, Kevin O'Connor wrote:
> On Wed, Sep 05, 2012 at 07:28:15AM +0200, Gerd Hoffmann wrote:
>> This patch makes seabios use the acpi pmtimer instead of tsc for
>> timekeeping. The pmtimer has a fixed frequency and doesn't need
>> calibration, thus it doesn't suffer from calibration errors due to a
>> loaded host machine.
>>
>> [ v3: mask port ioport read ]
> [...]
>> +static u64 pmtimer_get(void)
>> +{
>> + u16 ioport = GET_GLOBAL(pmtimer_ioport);
>> + u32 wraps = GET_LOW(pmtimer_wraps);
>> + u32 pmtimer = inl(ioport);
>
> Mask still missing?
Oops. Change was still uncommitted in my work tree, /me just forgot
'git add' I guess. New version on the way.
cheers,
Gerd
prev parent reply other threads:[~2012-09-06 6:03 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 5:28 [PATCH v3] add acpi pmtimer support Gerd Hoffmann
2012-09-05 23:28 ` [SeaBIOS] " Kevin O'Connor
2012-09-06 6:03 ` Gerd Hoffmann [this message]
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