Bochs was Re: processor emulators

[Joel Sherrill]

Chris Caudle wrote:
> 
> On a related note, I downloaded a recent snapshot of bochs last night (
> http://bochs.sourceforge.net ).  There has been an increase in the work being
> done over the last several months, and bochs is nearing a 2.0 release.
> Mandrake is sponsoring some of the work now, which probably helped move things
> along.
> I checked the hello world sample app, and it boots OK with GrUB on bochs. 

Was this with current RTEMS sources?  Did you try the networking out or
anything
else?  Did ticker work?  

Are there any special instructions or configuration files one needs?

> I
> also checked a DOS app which tests ATA disks, and the ATA emulation does not
> seem to be fully ATA compliant yet, but I think it might be good enough to use
> for beginning some libchip style ATA driver work.  The emulation supports I/O
> cycle access only, not memory mapped access, which makes it not quite as
> interesting as if it supported a full PCI-ATA controller emulation, but it is
> a start. The emulations supports some of the DMA modes, but I'm not sure which
> ones yet, but DMA rather than PIO is definitely  one of the features which
> should be in an ATA driver which goes into the source tree.

Sounds very promising.
 
> -- Chris Caudle

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
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