Download PDF by Alexander Biedermann: Design Concepts for a Virtualizable Embedded MPSoC

By Alexander Biedermann

ISBN-10: 3658080469

ISBN-13: 9783658080464

ISBN-10: 3658080477

ISBN-13: 9783658080471

Alexander Biedermann provides a prevalent hardware-based virtualization process, that may rework an array of any off-the-shelf embedded processors right into a multi-processor approach with excessive execution dynamism. according to this technique, he highlights strategies for the layout of strength conscious structures, self-healing platforms in addition to parallelized platforms. For the latter, the unconventional so-called Agile Processing scheme is brought by way of the writer, which allows a unbroken transition among sequential and parallel execution schemes. The layout of such virtualizable structures is additional aided by way of creation of a committed layout framework, which integrates into current, advertisement workflows. consequently, this publication offers entire layout flows for the layout of embedded multi-processor systems-on-chip.

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Extra info for Design Concepts for a Virtualizable Embedded MPSoC Architecture: Enabling Virtualization in Embedded Multi-Processor Systems

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The usage of off-chip memory may increase the latency, which is not acceptable for instruction fetch. When exploiting caches, keeping cache memories coherent becomes an issue. Network-on-Chip The increasing communication overhead arising from many-core architectures sometimes referred to as “sea of processors” [Yamauchi 1996] has led to new communication paradigms in complex SoC. In a Network-on-Chip (NoC), techniques known from the area of computer networks are applied in embedded system design [Hemani 2000, Benini 2002].

Both scenarios cause an erratic behavior of the task and have to be strictly avoided. 5 will detail the procedure of saving the program counter address. Internal Processor State The part of the task context, which is represented by the internal state of the processor executing this task is defined by the content of the processor’s registers. The register set of a processor consists of several general purpose registers, which may be addressed by a task, and state registers. State registers save information about past instructions, such as carry information after arithmetic operations.

Require: A set of tasks T, a set of processors P, a task-processor binding vector BV1 , an external trigger denoting a new binding vector BV2 . Ensure: A new task-processor binding vector BV2 realized by Virtualization Layer. 1: for all Tasks t ∈ BV1 currently being executed on a processor do 2: Halt t’s execution by virtualization procedure denoted in Algorithms 1 and 2 3: Detach t from its original processor pi 4: Mark pi as idle 5: end for 6: for all Tasks t ∈ BV2 do 7: while Processor p j that will be assigned to t in B2 is not yet marked as idle do 8: Wait for virtualization procedure of the task currently occupying Pj to finish phase 1 9: end while cf.

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Design Concepts for a Virtualizable Embedded MPSoC Architecture: Enabling Virtualization in Embedded Multi-Processor Systems by Alexander Biedermann

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