On Mon, 11 Apr 2022 at 15:22, Chan Kim <c...@etri.re.kr> wrote: > > > > > > What bus type is your driver written for? > > > > > > > That sounds very logical. In my case I added it to system bus. > > > > What exactly do you mean by "system bus"? > > > I meant 'sysbus' in qemu code that I showed in the qemu code. > And I think it's the CPU bus.
The 'sysbus' is just QEMU's abstraction for "devices mapped into memory at a fixed physical address", ie simple MMIO devices that aren't on a complex bus like PCI or USB or SPI. -- PMM
