On Fri, 3 Sept 2021 at 09:33, Duo jia <jiaduo19920...@gmail.com> wrote: > > I understand the hardware，but How to achieve this function with qemu？， > > For example, this interrupt is not allowed to be nested. When the new > interrupt comes, how can I detect that the interrupt is executing?
That depends on the hardware. I can't answer unless you tell me what the hardware is and give me a URL for its specification or reference manual... -- PMM
