Messages in this thread | | | Date | Wed, 23 Sep 2015 15:38:20 +0800 | Subject | Re: [RFC 0/5] console/acpi: add DBG2 and SPCR console configuration | From | Ming Lei <> |
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Hi Leif,
On Tue, Sep 8, 2015 at 8:43 PM, Leif Lindholm <leif.lindholm@linaro.org> wrote: > Support for configuring bootconsole and console via the ACPI tables > DBG2 (Debug Port Table 2) [1] and SPCR (Serial Port Console Redirection > Table) [2], defined by Microsoft, has been discussed on and off over the > years. > > [1] https://msdn.microsoft.com/en-us/library/windows/hardware/dn639131(v=vs.85).aspx > [2] https://msdn.microsoft.com/en-us/library/windows/hardware/dn639132(v=vs.85).aspx > > Licensing concerns have prevented this happening in the past, but as of > 10 August 2015, these tables have both been released also under OWF 1.0 > (http://www.openwebfoundation.org/legal/the-owf-1-0-agreements/owfa-1-0) > which is think is noncontroversially GPL-compatible? > > This set is a first attempt at implementing this.
From distribution view, the patchset looks very useful.
I have one simple question, are there other candidates for conveying this kind of information like what DBG2/SPCR does? Or are DBG2 and SPCR the offical speficiations to do such things in ARM server industry?
Thanks,
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