Safety hypervisor function

Safety hypervisor function

The present invention relates to safety hypervisor function. The disclosure relates to systems and methods for defining a processor safety privilege level for controlling a distributed memory access protection system. More specifically, a safety hypervisor function for accessing a bus in a computer...

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Hauptverfasser: FRANK HELLWIG, RICHARD KNIGHT, GLENN ASHLEY FARRALL, ANTONIO VILELA, SIMON BREWERTON, NEIL STUART HASTIE
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator FRANK HELLWIG
RICHARD KNIGHT
GLENN ASHLEY FARRALL
ANTONIO VILELA
SIMON BREWERTON
NEIL STUART HASTIE
description The present invention relates to safety hypervisor function. The disclosure relates to systems and methods for defining a processor safety privilege level for controlling a distributed memory access protection system. More specifically, a safety hypervisor function for accessing a bus in a computer processing system includes a module, such as a Computer Processing Unit (CPU) or a Direct Memory Access (DMY) for accessing a system memory and a memory unit for storing a safety code, such as a Processor Status Word (PSW) or a configuration register (DMA(REG)). The moduel allocate the safety code to a processing transanction and the safety code is visible upon access of the bus by the module.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Safety hypervisor function
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