Tomas Bures <bu...@d3s.mff.cuni.cz> writes: > Dear all, > > I'm preparing a class on embedded systems. I would like to make a > client that interfaces with QEMU and the application running inside > it. This client would simulate the physical environment that the > application running inside QEMU should control. To achieve this, I > would like to introduce use general IO ports (in a similar way they > are used e.g. on ARMs). Please is there a simple way to emulate the > general IO ports on pc386? > > If not, what would be the simplest way to create (i.e. develop) a new > device for QEMU? Is there any intro or some simple device, which could > be taken as a stub?
If you crusty old ISA is okay for you, the ib700 watchdog device (hw/wdt_ib700.c) is really simple. For PCI, maybe try the i6300esb watchdog (hw/wdt_i6300esb.c).
