An interrupt handler, also known as an interrupt service routine (ISR), is a special type of function that is executed in response to an interrupt. An interrupt is a signal to the CPU that an event has occurred and requires immediate attention. When an interrupt occurs, the CPU temporarily suspends its current activity and executes the interrupt handler to address the event.
Kernel, Interrupt Handling, Embedded Systems, Debugging, I/O Kit ivthandleinterrupt
In FreeRTOS, you might define a macro wrapper: An interrupt handler, also known as an interrupt
Here's an example of how to use the IVTHandleInterrupt protocol in a UEFI driver: An interrupt handler