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How to simulate a device which generates an interrupt every 8.3 ms

From: Weiss, Howard
Subject: How to simulate a device which generates an interrupt every 8.3 ms
Date: Thu, 10 Dec 2020 05:27:15 +0000

Hi –

 

I am writing a Windows 10 device driver which receives an interrupt from hardware every 8.3 ms.  I am simulating the hardware device in a linux QEMU/KVM VM with Windows 10 installed.  How do I program my simulated device to generate an interrupt every 8.3 ms? Under windows, I would generate a high resolution timer interrupt using the windows multi-media API.  What is the QEMU/KVM equivalent?

 

Thanks

 

Howard Weiss

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