Conditional and vectored system management interrupts

Details Conditional and vectored system management interrupts Conditional and vectored system management interrupts

2005-12-28

2008-10-07

Rinehart, Mark (Department: 2111)

Electrical computers and digital data processing systems: input/

Interrupt processing

C710S261000, C710S264000, C710S267000, C710S269000

Reexamination Certificate

active

07433985

ABSTRACT:
An embodiment of the present invention is a technique to process system management interrupt. A system management interrupt (SMI) is received. The SMI is associated with a system management mode (SMM). A conditional SMI inter-processor interrupt (IPI) message is broadcast to at least a processor. The SMI is processed without waiting for the at least processor to check into the SMM. A clear pending SMI is broadcast to the processors at end of SMI processing to clear a pending SMI condition.

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IBM-TDB, “Extension to 68k Manual Vector Range,” Oct. 1, 1989, IBM, vol. 32, Issue 5B, pp. 452.

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