[SeaBIOS] [PATCH v3] add acpi pmtimer support
kraxel at redhat.com
Thu Sep 6 08:03:00 CEST 2012
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.
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