From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailserv2.iuinc.com (qmailr@mailserv2.iuinc.com [206.245.164.55]) by puffin.external.hp.com (8.8.7/8.8.7) with SMTP id QAA22581 for ; Mon, 15 Nov 1999 16:33:28 -0700 Sender: frowand@cup.hp.com Message-ID: <3830989F.BA33EDC0@hp.com> Date: Mon, 15 Nov 1999 15:34:55 -0800 From: Frank Rowand Reply-To: frowand@cup.hp.com MIME-Version: 1.0 To: Alex deVries CC: frowand@cup.hp.com, Ryan Bradetich , parisc-linux@thepuffingroup.com Subject: Re: [parisc-linux] arch/parisc/kernel/realmode_setup.c Question References: Content-Type: text/plain; charset=us-ascii List-ID: 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