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Dear experts, I'm developing an ISS SystemC wrapper for a processor. In the SystemC wrapper, I decided to use quantum keeper to improve simulation performance. But, I found some issues when handling external interrupt. An external interrupt controller model is connect with my processor model by using some "sc_signal". When executing interrupt handler, SW need to clear interrupt by write some register in the external interrupt controller. But, my model used quantum keeper, it always need to execute enough instructions to reach quantum without sync with SystemC kernel. So, of cause, it do not know that the interrupt has already been cleared until it reached quantum. It always entered interrupt handler multi times. Who can tell me some solutions???