On 26 October 2012 06:47, Peter Crosthwaite <peter.crosthwa...@xilinx.com> wrote: > Just put RAM regions in the unimplemented spaces in the MMIO region. These > regions have undefined behaviour, but this at least stops QEMU from > segfaulting > when the guest bangs on these registers (and sucessfully fakes reading and > writing the registers with no side effects).
I definitely don't like this. RAZ/WI might be OK, but implementing random areas of devices as RAM smells like a hack. Better would be to identify what the guest is actually doing in these areas. And we still need to actually identify what is segfaulting and fix that as a separate bug -- can we have a backtrace please? -- PMM