I do some support on STM8 arch, the reference manual link is: > > > https://www.st.com/resource/en/reference_manual/cd00218714-stm8l050j3-stm8l051f3-stm8l052c6-stm8l052r8-mcus-and-stm8l151l152-stm8l162-stm8al31-stm8al3l-lines-stmicroelectronics.pdf
Chapter 12 describes interrupts as blow: [image: image.png] I don't kown when to check the "PENDING" because I can't get the when interrrupt exec over. Is there a similar implementation in qemu? Peter Maydell <peter.mayd...@linaro.org> 于2021年9月3日周五 下午6:25写道: > 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 >