Browse Prior Art Database

System Management Mode Cache Line Attribute

IP.com Disclosure Number: IPCOM000013513D
Original Publication Date: 2000-Oct-25
Included in the Prior Art Database: 2003-Jun-18

Publishing Venue

IBM

Abstract

Disclosed is a method to allow System Management Code to be cached and remain resident in the cache after the microprocessor leaves System Management Mode (SMM) without allowing the contents to be modified and executed without permission. In most existing PC systems, program code contained in the System Management address space can't be allowed to execute or reside in the cache. In those systems