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Contents
vii
Appendix A System BIOS Programming Guidelines
A.1 BIOS Post Initialization ............................................................................A-1
A.2 Controlling the Application Processors ....................................................A-2
A.3 Programming the APIC for Virtual Wire Mode .........................................A-2
A.4 Constructing the MP Configuration Table................................................A-4
Appendix B Operating System Programming Guidelines
B.1 Operating System Boot-up .......................................................................B-1
B.2 Operating System Booting and Self-configuration....................................B-2
B.3 Interrupt Mode Initialization and Handling ................................................B-2
B.4 Application Processor Startup ..................................................................B-3
B.4.1 USING INIT IPI ............................................................................B-4
B.4.2 USING STARTUP IPI...................................................................B-5
B.5 AP Shutdown Handling.............................................................................B-5
B.6 Other IPI Applications...............................................................................B-6
B.6.1 Handling Cache Flush..................................................................B-6
B.6.2 Handling TLB Invalidation............................................................B-6
B.6.3 Handling PTE Invalidation............................................................B-6
B.7 Spurious APIC Interrupts..........................................................................B-6
B.8 Supporting Unequal Processors...............................................................B-7
Appendix C System Compliance Checklist
Appendix D Multiple I/O APIC Multiple PCI Bus Systems
D.1 Interrupt Routing with Multiple APICs .......................................................D-1
D.1.1 Variable Interrupt Routing............................................................D-1
D.1.2 Fixed Interrupt Routing ................................................................D-2
D.2 Bus Entries in Systems with More Than One PCI Bus .............................D-3
D.3 I/O Interrupt Assignment Entries for PCI Devices.....................................D-3
Appendix E Errata
Glossary