[parisc-linux] arch/parisc/kernel/realmode_setup.c Question
Mon, 15 Nov 1999 15:34:55 -0800
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
> > 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