Re: [Qemu-devel] OS/2 PPC booting making some progress

[J. Mayer]

On Sun, 2005-05-22 at 16:49 +0300, Tero Kaarlela wrote:
> J. Mayer wrote:
> 
> >>   2. on debug 2. What is this unaffected IO port 838 it tries to read & 
> >>write ?
> >>    
> >>
> >
> >This port is not documented in the PREP specification. You should check
> >in the Linux kernel to see if this port seems important. Or you may take
> >a look to Motorola PowerStack documentation: those boards are well
> >documented and OS/2 is supposed to know how to boot on it.
> >  
> >
> 
>   Hmmm I found following info from OS/2 stanza files(files describing 
> hardware to bootloader:
> 
>     rdf.stz
> 
>   planar_ide_0:
>         dev_class       = IDE
>         adap_name       = "IDE Disk Controller"
>         setting         = "io:ide_int_reg:838"  <=

This gives no information of what this register is.
Maybe those informations are used if residual data are not correct
(which is the case with Open Hack'Ware: there are no devices
descriptions).
Or maybe you should try to tell OS/2 the platform is one that support
only ISA IDE.

-- 
J. Mayer <address@hidden>
Never organized