Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...
About 8.3 billion microprocessors were produced worldwide in 2009. However, microprocessors for information processing such as personal computers (PC) is about 0.15 billion (which is only 2% of the ...
Interruptions aren’t just a staple of our daily lives. They’re also crucial for making computer systems work as well as they do, as they allow for a system to immediately respond to an event. While on ...
Once the processor is running and memory has been initialized, timers and devices must be started up and a memory map laid out. Only then, can the OS be loaded. In the first part of this article, I ...