February 2003
Intermediate to advanced
592 pages
11h 47m
English
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Background
Several x86 processor-specific features require support for both hardware and software compatibility, including:
A method for supporting x86 CPU legacy signals
A method for supporting x86 Special Cycles
x86 legacy interrupt support — PCI (8259) and APIC
Power Management
Other legacy issues related to Industry Standard Architecture (ISA) platforms deal with I/O bus compatibility, rather than processor-related issues. These topics are discussed in the chapter entitled, “I/O Compatibility.”
Legacy Signals
Support for the features mentioned above involves a number of X86 signals. These signals include those preserved throughout the x86 processor evolution to maintain compatibility:
INTR (Interrupt Request from the 8259 Interrupt Controllers) ...
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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.