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Re: [Qemu-devel] Re: PCNet and Lance merge, almost there

From: Paul Brook
Subject: Re: [Qemu-devel] Re: PCNet and Lance merge, almost there
Date: Thu, 24 Aug 2006 20:30:06 +0100
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> > >ultimately there will be a single QEMU executable supporting all
> > > machines and CPUs. In the pcnet case for example, the macro
> > > 'SPARC_FIX_DESC' is almost surely not necessary because the device
> > > seems implicitely little endian (the original code lacks correct
> > > endianness conversion routines
> >
> > !).
> >
> > That's what I suspected. I'll try to make an universal version.
> Do you want to preserve bitfields in structures? See comments near

Relying on bitfields having a particular memory layout is generally a bad 
idea. For any code that relies on a particular bit layout I strongly suggest 
avoiding bitfields and using explicit shift/mask or a conversion routine that 
converts from guest memory to host struct formats.


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