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 POWER Service Layer

 Chapter 5, Privileged Mode Overview through Chapter 10, PSL Privileged Facilities describe the facilities that are provided by the Coherent Accelerator Interface Architecture (CAIA) for operating environment software. These facilities include an operating system or a hypervisor and the management of the accelerator function units (AFUs). They should only be made available to software running in a privileged mode, either privilege 1 mode or privilege 2 mode. Collectively, these facilities are called the POWER Service Layer (PSL).

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