Patent ID: 8661265
Filing Date: 2014-02-25
Classification: G06F

Abstract:
1. A method comprising: utilizing a first register to track a memory location associated with system management random access memory (SMRAM); and conditionally routing a request for a memory access, wherein said request comprises a memory address and is routed to said SMRAM in response to determining that a first set of conditions is satisfied, wherein said first set of conditions comprises determining that operation is in system management mode (SMM) with said SMRAM enabled and said address comprises said memory location, wherein said request is routed to an advanced programmable interrupt controller (APIC) in response to determining that said first set of conditions is not satisfied and that a second set of conditions is satisfied, wherein said second set of conditions comprises determining that said address refers to said APIC and said request is other than a code fetch, and wherein said request is routed to a destination based on said address in response to determining that said first set of conditions and said second set of conditions are not satisfied.