On Mon, 10 Dec 2018 at 11:00, Philippe Mathieu-Daudé <phi...@redhat.com> wrote: > > Hi Jason, > > On 12/7/18 5:42 AM, Jason A. Donenfeld wrote: > > On Tue, Nov 20, 2018 at 11:08 AM Peter Maydell <peter.mayd...@linaro.org> > > wrote: > >> It's still stuck, because unconditionally adding a second serial > >> port to the virt board breaks some commonly used existing guest > >> code (UEFI + Linux), and it's not clear to me what the best > >> command line UI is for allowing the user to request the second > >> serial port. > > > > Can the UI be the same more or less as for x86? Specify a second > > -serial, and then the machine gets one added? If it's in secure mode, > > then it's added as serial 3 instead of 2, to remain backwards > > compatible. > > You can use various -serial arguments. > > If a board supports 4 serials and you only want to see the 3rd (secure > mode as your example) you could use: > > ./qemu -serial null -serial null -serial stdio
That's the opposite of Jason's issue, which is that the 'virt' board only supports 1 serial port but he would like 2... thanks -- PMM
