On 12 December 2017 at 14:10, Peter Maydell <peter.mayd...@linaro.org> wrote: > On 12 December 2017 at 13:56, Ard Biesheuvel <ard.biesheu...@linaro.org> > wrote: >> Given that the DEBUG output is only produced on DEBUG builds, couldn't >> we simply stipulate that DEBUG output appears on the PL011 with the >> lowest physical address? That keeps the current status quo, and is >> probably sufficient for 99% of the use cases of people using the DEBUG >> builds. >> >> Then, we can introduce some code to decode stdout-path in FdtClientDxe >> (a higher level DT parsing driver) so that the actual serial console >> gets installed onto whichever UART is described as the system console. >> Also, given that ArmVirtQemu is tightly coupled to QEMU/mach-virt, we >> could decide to only use node names in stdout-path (as we do >> currently) to simplify the parsing logic. > > 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?
