Skip to Content
HP-UX 11i Internals
book

HP-UX 11i Internals

by Chris Cooper, Chris Moore
January 2004
Intermediate to advanced
432 pages
11h 1m
English
Pearson
Content preview from HP-UX 11i Internals

Registers

The PA-RISC architecture provides for several sets of registers. Of particular interest to us are the general registers, space registers, and some of the control registers.

General Registers

PA-RISC has 32 general purpose registers. In PA-RISC 2.0, these are 64-bit registers; prior to PA-RISC 2.0, these registers are 32 bits wide. The architecture itself defines specific uses for only a few of these registers:

  • GR0— Permanent zero. Reads from this register always return a zero. Writes to this register are discarded.

  • GR1— Target of ADDIL. When the ADD IMMEDIATE LONG (ADDIL) instruction is executed, the result is always placed in GR1. This register can also be used for other purposes.

  • GR2— Target of B,L. This register is used as the target ...

Become 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,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

HP-UX 11i Tuning and Performance

HP-UX 11i Tuning and Performance

Robert F. Sauers, Chris P. Ruemmler, Peter S. Weygant
Panic! UNIX® System Crash Dump Analysis

Panic! UNIX® System Crash Dump Analysis

Chris Drake, Kimberley Brown

Publisher Resources

ISBN: 0130328618Purchase book