drivers

C# driver development?

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You can not make kernel-mode device drivers in C# as the runtime can’t be safely loaded into ring0 and operate as expected. Additionally, C# doesn’t create binaries suitable for loading as device drivers, particularly regarding entry points that drivers need to expose. The dependency on the runtime to jump in and analyze and JIT the … Read more

What is the difference between FIQ and IRQ interrupt system?

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ARM calls FIQ the fast interrupt, with the implication that IRQ is normal priority. In any real system, there will be many more sources of interrupts than just two devices and there will therefore be some external hardware interrupt controller which allows masking, prioritization etc. of these multiple sources and which drives the interrupt request … Read more