On Thu, Oct 14, 2010 at 11:13 AM, Bob Shannon <[email protected]>wrote:
> > I would think it means code that front-ends one of the First Level > Interrupt Handlers > > That's how Amdahl implemented SE and SP assist years ago. I think IBM did > it to implement the IEEE floating point instructions so that they would work > on processors that lacked the hardware. Of course these were not malicious > implementations. (as Bob knows) it is impossible to create/install a malicious FLIH or SVC or PC without already having the keys to the kingdom anyway. That is the foundation of integrity and the reason why the installation has to appropriately protect system datasets and APF libraries. -- This email might be from the artist formerly known as CC (or not) You be the judge. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
