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Re: [Qemu-arm] [Qemu-devel] [PATCH 3/3] hw/arm/virt-acpi-build: Add seco

From: Peter Maydell
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 3/3] hw/arm/virt-acpi-build: Add second UART to ACPI tables
Date: Tue, 12 Dec 2017 14:17:49 +0000

On 12 December 2017 at 14:16, Ard Biesheuvel <address@hidden> wrote:
> On 12 December 2017 at 14:13, Peter Maydell <address@hidden> wrote:
>> On 12 December 2017 at 14:12, Ard Biesheuvel <address@hidden> wrote:
>>> On 12 December 2017 at 14:10, Peter Maydell <address@hidden> wrote:
>>>> That doesn't actually usefully separate debug output from the
>>>> console, though, because stdout-path is also going to point
>>>> to the UART with the lowest physical address...
>>> By default, yes, just like is currently the case. But I would assume
>>> this new serial port could be appointed 'console' and put into
>>> stdout-path by QEMU, based on the command line options?
>> We don't have any command line options for doing that, and I'm
>> generally reluctant to introduce new command line UI, especially
>> new command line UI that's specific to Arm and not also needed
>> for x86.
> If stdout-path is always going to point to address@hidden, why would
> we need to parse it?

If you had always parsed stdout-path, we wouldn't need to worry
about the order in which the UART nodes appear in the dtb...

-- PMM

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