| Message ID | 267578.61736.qm@web113803.mail.gq1.yahoo.com |
|---|---|
| State | New |
| Headers | show |
Can anybody tell me if I can use parallel0 and serial0 simultaneously as distinct input interfaces, please? Is this allowed by the qemu design or not? Thank you, Gabi Voiculescu --- On Fri, 10/8/10, Gabi Voiculescu <boy3dfx2@yahoo.com> wrote: > From: Gabi Voiculescu <boy3dfx2@yahoo.com> > Subject: [Qemu-devel] request help enabling both serial0 and parallel0 to emulate 2 distinct ports on beagle > To: qemu-devel@nongnu.org > Date: Friday, October 8, 2010, 6:59 PM > Hi. > > I am trying to emulate the Beagle platform using the > version of qemu (meego qemu) from here (I'm currently in > sync with commit caacc3f): > git://gitorious.org/qemu-maemo/qemu.git. > > I'm faced with the following problem. I'm running a > microkernel underneath Linux and when I try to use invasive > debug at the microkernel level I can no longer enable the > linux console on that port. > > For this reason we are using 2 distinct serial ports in our > development on real hardware. > > I'm trying to replicate this in the emulator. By default I > have keyboard into either serial0 or parallel0, depending on > whether I make or not use of -serial stdio in the > qemu-system-arm command. > > I tried to use Ctrl-Alt-1 window (emulated tty0) as well as > qemu serial0 console (using -serial stdio in the > qemu-system-arm call line). > > However I see emulated tty0 does not accept input from my > keyboard once I grab mouse and keyboard in that window. > > Now I'm trying to make use of both parallel0 and serial0. > > I modified the qemu code like this: > --- a/hw/beagle.c > +++ b/hw/beagle.c > @@ -68,7 +68,7 @@ static void beagle_common_init(ram_addr_t > ram_size, > #error MAX_SERIAL_PORTS must be at least 1! > #endif > > s->cpu = > omap3_mpu_init(cpu_model, 1, ram_size, > - > NULL, NULL, > serial_hds[0], NULL); > + > NULL, > parallel_hds[0] , serial_hds[0], NULL); > > I think I am missing something since I do not get serial > output on parallel0 (Qemu Ctrl-Alt-2 window). > > My first question: is what I want even possible (serial on > both serial0 and parallel0)? If yes, what file should I look > into? > > Or should I consider grabbing a usb device from my host PC > in qemu and plug in a hub or usb keyboard in there instead? > > Thank you, > Gabi Voiculescu > > > > > >
--- a/hw/beagle.c +++ b/hw/beagle.c @@ -68,7 +68,7 @@ static void beagle_common_init(ram_addr_t ram_size, #error MAX_SERIAL_PORTS must be at least 1! #endif s->cpu = omap3_mpu_init(cpu_model, 1, ram_size, - NULL, NULL, serial_hds[0], NULL); + NULL, parallel_hds[0] , serial_hds[0], NULL); I think I am missing something since I do not get serial output on parallel0 (Qemu Ctrl-Alt-2 window).