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X-Received-From: 2607:f8b0:4003:c0f::244 Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH 3/3] hw/arm/virt-acpi-build: Add second UART to ACPI tables X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Drew Jones , "Jason A . Donenfeld" , QEMU Developers , qemu-arm , Andrea Bolognani , Shannon Zhao , Laszlo Ersek Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: df7x8FBiRKAJ On 12 December 2017 at 14:16, Ard Biesheuvel wrote: > On 12 December 2017 at 14:13, Peter Maydell wrote: >> On 12 December 2017 at 14:12, Ard Biesheuvel wrote: >>> On 12 December 2017 at 14:10, Peter Maydell 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 pl011@0x9000000, 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... thanks -- PMM