Re: [Qemu-devel] [PATCH 0/2] ACPI/arm-virt: add DBG2

[Leif Lindholm]

On Tue, Sep 08, 2015 at 11:18:27AM +0800, Shannon Zhao wrote:
> On 2015/9/7 22:23, Leif Lindholm wrote:
> > The Debug Port Table 2 (DBG2) is mandated by the ARM Server Base Boot
> > Requirements specification. Add the DBG2 table definitions, and set up
> > an entry in the ARM virt machine for the pl011 UART.
> 
> Looking at Documentation/arm64/acpi_object_usage.txt in Linux kernel, it
> says
> "
> DBG2   Signature Reserved (signature == "DBG2")
>        == DeBuG port table 2 ==
>        Microsoft only table, will not be supported.
> "
> It seems that Linux kernel doesn't support or need it, but Windows
> requires it. So does it need to test this on Windows?

No, it can be tested under Linux with the set I just sent out:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-September/368614.html
But I needed this set for QEMU for the kernel people to have something
to test :)

That said, I would be overjoyed if someone _could_ test it on Windows.

/
    Leif

> > Leif Lindholm (2):
> >   ACPI: Add definitions for the DBG2 table
> >   hw/arm/virt-acpi-build: Add DBG2 table
> > 
> >  hw/arm/virt-acpi-build.c    | 37 ++++++++++++++++++++++++++++++++++++-
> >  include/hw/acpi/acpi-defs.h | 37 +++++++++++++++++++++++++++++++++++--
> >  2 files changed, 71 insertions(+), 3 deletions(-)
> > 
> 
> -- 
> Shannon
>