Next question, what about the Control Register usage? Regards, Richard Schuh
-----Original Message----- From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On Behalf Of Alan Altmark Sent: Friday, July 13, 2007 2:50 PM To: [email protected] Subject: Re: IUCV Interruptions On Friday, 07/13/2007 at 04:44 EDT, "Schuh, Richard" <[EMAIL PROTECTED]> wrote: > Is there any documentation of the changes to IUCV interrupts in 64-bit mode? > There is a section in CP Programming Services that documents the interrupts in > 31 bit mode, but does not say a word about 64 bit operation. Nothing is changed. Except for the IPARML itself (I think), all IUCV-related addresses remain 31-bit, even in 64-bit addressing mode. So, all buffers must reside below 2GB. Alan Altmark z/VM Development IBM Endicott
