July 2004
Intermediate to advanced
1744 pages
35h 3m
English
Content preview from The Unabridged Pentium 4 IA32 Processor GenealogyBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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BSP Selection Process
Introduction to the BSP Selection Process
The Boot Strap Processor (BSP) is the processor that starts fetching, decoding and executing instructions at startup time (i.e., immediately after the removal of reset). It is tasked with:
Performing the system Power-On Self-Test (POST).
Performing the initial configuration of the platform components including the BSP.
Detecting the presence of any additional processors (Application Processors, or APs).
Configuring the APs.
Building the Multiprocessing Table in memory.
Making entries in the ACPI Table for all of the processors as well as their Local APICs.
Booting the OS startup code into memory and then passing control to the OS startup code. The OS startup code is responsible for loading ...
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