[parisc-linux] arch/parisc/kernel/realmode_setup.c Question

[Frank Rowand]

Alex deVries wrote:
> 
> On Mon, 15 Nov 1999, Frank Rowand wrote:
> > This might not solve your problem, but it's worth checking out.  The
> > procedure calling convention for PA 2.0 PDC is different than for 1.0.
> > See http://thepuffingroup.com/parisc/documentation.html, pdc.pdf,
> > p 2-8 defines the return status as a 64-bit, not 32 bit.  You might
> 
> However, we are running this in narrow mode, so we should be able to use
> 32 bit PDC.


You don't get to choose.  The PDC is either 32 bit or 64 bit.  It's not
a question of what mode the OS is running in, but what the PDC was
compiled for.


> > I don't know if your system has wide or narrow PDC - you have to call
> > PDC_MODEL(Return Capabilities), and check bit 63 of caps (the field
> > called OS64).
> 
> That's worth checking out.
> 
> - Alex

-Frank