Elias stepped through the code. ivtHandleInterrupt pushed the current registers onto the stack to save the CPU's state (the "Context"). It called the handler. The handler read the temperature. It returned. ivtHandleInterrupt popped the registers back.
Here's an example of how to use the IVTHandleInterrupt protocol in a UEFI driver: ivthandleinterrupt
It was just a function. A dispatcher. A switch statement in a sea of code. But tonight, it was the difference between a functioning machine and a pile of scrap metal. He closed the laptop, finally ready to sleep. Elias stepped through the code
At first glance, it looks like a typo of “interrupt handler.” But this symbol is a crucial piece of the puzzle for understanding how hardware interrupts are routed and processed. ivthandleinterrupt