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Research PA-RISC Operating Systems HPBSD

 4.4BSD ﬁlesystem code (includes Macklem/CSRG Berkely NFS; FFS; MFS)

 4.4BSD networking code

 4.3BSD ﬁlesystem layout

 4.3BSD VM system

Supported Hardware

 705, 710, 720, 730, 750 (based on PA-7000 processors)

 715, 725, 735, 755 (based on PA-7100 processors)

 712, 715, 725/100 (based on PA-7100LC processors)

 J200, J210[XC], C100, C110 (based on PA-7200 processors)

 Early HPBSD: HP 9000/835 server (PA1.0 NS-1 processor) — support dropped later on after the

advent of PA-RISC 1.1 systems

 SCSI (internal single-ended, internal fast-wide-differential, GSC based fast-wide-differential, and

EISA fast-differential) drives and DAT tapes, RS232 serial, builtin Ethernet, SGC FDDI board,

Video (GRX, CRX and Artist), HIL and PS/2, audio

History

(Taken from the original HPBSD webpage, and modiﬁed, with permission from Mike Hibler

)

HPBSD for 68k-based systems was born in 1987 when Mike Hibler started a port of 4.3BSD to the HP

9000/320 and 350 workstations at the University of Utah. Major development lasted until about 1991

with the ﬁnal addition of Motorola 68040 support.

In the fall of 1989, Jeff Forys started work on a HP 9000/800 port based on the hybrid HP-UX/Mach

kernel called Tut done as an experiment at HP Labs. By around February 1990 HPBSD was running

on an 9000/835 and later that year was running solidly on the PA-RISC. For a short period of time

in 1989-90, Mt Xinu also worked on the PA-RISC port and produced the ﬁrst usable part of it, the

boot loader, late in 1989. HPBSD used this boot loader. In 1990 another Mach project was spun off

of HPBSD — the Mach 3/UX single server port for the 9000/835 sponsored by HP and primarily done

by Bob Wheeler. Starting in May 1991, Leigh Stoller ported HPBSD to the HP 9000/720 workstation,

after which support for PA-RISC 1.0 and the 9000/800 platform was dropped.

The last major development to HPBSD was the addition of the 4.4BSD kernel ﬁlesystem and networking

code and the 4.4BSD ANSI-compliant C library. Jeff Forys started this in April 1992 and by early 1993

all of the University of Utah’s HPBSD machines had been converted. This version was known as HPBSD

2.0. Since this merge included the NFS implementation done by Rick Macklem, all Sun encumbered

code could be eliminated. In April 1993, a semi-formal release of HPBSD 2.0 was made to the 2-3 sites

which had the necessary agreements with HP (necessary to obtain the PA-RISC speciﬁc code). Since

that time, active development of HPBSD had pretty much stopped. As of Summer 1999, there were less

than ten HPBSD machines left: one 68k and the rest PA-RISC. The last signiﬁcant efforts were to bring

HP-UX compatibility up to 10.20 (to run the JDK) and to port a 3Com EISA 100Mbit ethernet driver.

http://www.ﬂux.utah.edu/~mike/

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HP B160L Manual do Utilizador Página 120