>>>>> "Peter" == Peter Maydell <peter.mayd...@linaro.org> writes:
Peter> On 21 November 2011 23:54, Peter Chubb Peter> <pet...@gelato.unsw.edu.au> wrote: >> Do you have a suggestion for an alternative to hw_error for guest >> bad behaviour? It seems to be used historically. For emulating >> ARM, causing qemu to stop isn't such a bad idea ... the guest does >> something wrong and the qemu instance dies with a message. It's >> not as it that'll affect any other guests, each of which will have >> their own qemu instance. Peter> The question's come up before and we don't currently have a Peter> good API for it. Personally I prefer "silently ignore" for the Peter> moment; hardware doesn't chatter at you about guest OS Peter> misbehaviour... Speaking as an OS developer I'd much prefer to have the simulator yell at me when my code tries to write to bad registers. That's one of the reasons I try to use the emulator rather than the real hardware --- it allows one to find bugs otherwise invisible. -- Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au http://www.ertos.nicta.com.au ERTOS within National ICT Australia
