December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Hardware and Drivers
In addition to managing essential hardware resources such as the CPU and memory, the operating system is also responsible for managing hardware peripherals that may be added to the system. This includes devices such as the keyboard and mouse, a USB flash drive, and the graphics card. Although the operating system is responsible for managing these devices, it does so with the help of drivers, which can be thought of as plug-ins that run inside the operating system kernel and allow the system to interface to hardware devices.
The code to support a hardware device can be found in two places: on the device itself (known as firmware) and on the computer (known as the driver). The role of the driver is to act on behalf of the operating ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.