HP3000-L Archives

May 2004, Week 3

HP3000-L@RAVEN.UTC.EDU

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Subject:
From:
Mark Wonsil <[log in to unmask]>
Reply To:
Mark Wonsil <[log in to unmask]>
Date:
Fri, 21 May 2004 07:19:28 -0400
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http://softpear.sourceforge.net/index.php
The SoftPear Project aims to create compatibility software between the IBM
PC and the Apple Macintosh architecture.

With Mac OS X, an excellent operating system is available, unfortunately it
runs only on Macintosh hardware. Therefore this project seeks to create
compatibility layers to run Mac OS X on IBM PC hardware.

We do not develop an emulator for PowerPC Macintosh machines (like "PearPC",
"Basilisk" or "UAE"), though; the project has more similarities to Digital's
"FX!32", FreeBSD's "Linux Binary Compatbility" and "WINE".

Instead, Darwin/x86 or GNU/Linux will run on the PC, and the Mac OS X user
interface, its libraries and all applications running on top of it will run
on Darwin or GNU/Linux, using SoftPear's compatibility layer.

This compatibility layer consists of an emulator/dynamic recompiler of user
mode PowerPC code and a layer between PowerPC code and native x86 code that
handles endianness issues.

Another layer can make x86 applications run on top of the PowerPC Mac OS X
libraries, which in turn run on x86 hardware, so Mac OS X applications that
have been developed for the PowerPC can be recompiled for the x86 CPU. In
addition, all that knowlegde that will be gained by making Mac OS X run on
the IBM PC architecture might help creating a reimplementation of parts and
eventually all of Mac OS X unter the GPL, providing a fully open source Mac
OS X clone for other processors than just the PowerPC.

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