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HP0-Y32 exam Dumps Source : Designing and Troubleshooting Open Standard Networks
Test Code : HP0-Y32
Test Name : Designing and Troubleshooting Open Standard Networks
Vendor Name : HP
Q&A : 75 Real Questions
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HP flow 11 issues are very irritating. That’s why you want this breakdown of considerations and fixes to tackle them. with out it, you may additionally need to send your windows 10 computing device again to HP for provider.
HP flow eleven problems are irritating since you probably do everything on it. It’s your amusement core if you happen to are able to watch Netflix and Hulu Plus. It’s additionally the way you get homework accomplished and shop online. You want it to work as it should be day by day.
Use these guidance, tricks and workarounds to fix your HP circulation 11 issues. Gotta Be mobile will add new HP flow eleven problems and fixes to this breakdown as new stories of problems arrive.
the way to repair HP circulation eleven Wi-Fi problems
Many clients report HP movement eleven Wi-Fi issues. occasionally the system received’t connect to the web if you happen to wake it from sleep. other instances, the cyber web will cease working unexpectedly.
First, attempt to use the same Wi-Fi reference to another device, like your smartphone. if your smartphone connects to the cyber web the usage of the same Wi-Fi community, there’s an issue together with your HP circulation eleven. click on the Wi-Fi icon within the bottom-correct corner of your display. Then click on on network & internet Settings. look for the network Troubleshooter and click on on it. observe the on-monitor prompts to repair your HP move 11 Wi-Fi problems.
study: 9 basic windows 10 complications & how to repair Them
If this doesn’t work, are attempting restarting your laptop. click on the beginning button in the backside-left nook of your display. next, click on on the vigour button and judge Shut down. After your computing device is fully off, flip it on once again.
If the connection doesn’t work on your telephone and to your HP circulate 11, there’s an issue along with your information superhighway access. call your service issuer to have them stroll you through troubleshooting your router or modem.the place to Order a fix USB for the HP circulate eleven
Your HP stream eleven didn’t include fix application. as a substitute, HP put in application for restoring your notebook returned to manufacturing unit settings in an emergency. This utility doesn’t assist you if there’s whatever thing wrong with home windows or your BIOS, which is why it’s a good idea to buy a restore USB drive.
The most appropriate area to get this fix media is directly from HP. Contact the company’s help department right here. Have a transport tackle, your credit card and your movement eleven regional. Let the agent be aware of you’re ready to buy the restoration media to your HP flow eleven.the way to fix HP stream 11 Battery lifestyles issues
if you’re having HP move eleven battery complications, are trying adjusting some of your settings or the usage of some of your workstation’s developed-in equipment to conserve battery energy.
In home windows 10, click on the battery meter in the bottom-correct nook of your reveal. this is the energy enviornment. that you may use the Battery Saver button to make your laptop closing longer between prices. It stops Mail, fb and other home windows store apps from checking for updates within the heritage. It also darkens your machine’s screen. Some HP stream 11 laptops actually have a swap right here that lets you go from getting the optimal performance to getting the most efficient battery lifestyles.
examine: a way to fix bad home windows 10 Battery lifestyles
if your HP movement 11 doesn’t have windows 10 on it, there are some primary steps which you can take to boost battery lifestyles. First, decrease your screen brightness. which you could do that using the feature 2 and function 3 keys along the exact of your keyboard. 2nd, cut the variety of apps you’re working with and shut any added browser tabs you have open. finally, turn off any instant expertise that you simply aren’t the usage of, like Bluetooth or Wi-Fi.
When bad HP flow eleven battery life is a continuing difficulty, contact HP aid for a battery alternative. Don’t are trying to change the battery inner your move 11 yourself.how to Reset a Frozen HP flow 11
To restart your frozen HP flow eleven, press the vigor button unless the monitor of your computer goes black. Press the power button once more to turn it back on.the way to repair HP circulation eleven Storage issues
HP circulate eleven storage issues flip up when your machine has so much stuff on it that it may well’t handle any more information.
First, are attempting doing away with apps and courses that you just don’t want. Open the Settings app, and click on on Apps. click on on an app or software you don’t want and click on on Uninstall.
read: 4 ways to unlock space on home windows 10
home windows 10 has a feature referred to as Storage feel that deletes useless files. inner the Settings app, click on device. next, click on on Storage in the menu on the left side of the app. It’s the fifth merchandise in the checklist. Flip the Storage experience switch to On. Storage sense will delete the information that you simply don’t want continually.
Your third alternative is to stream some of your files. Your HP circulate eleven should still have an SD card slot. purchase an SD card and circulation your entire music and photos there. in case you’re linked to the web always, Microsoft’s OneDrive cloud storage carrier comes with 5GB of on-line storage for you to put your files.how to fix HP movement eleven received’t Boot issues
Some clients report their HP circulation 11 gained’t boot or start, no matter what they do. If here's going on to you, here's what you should do.
with your equipment off, press the vigour button to your HP flow 11. Then, press the ESC key in your desktop’s keyboard. subsequent, press F10. This should still take you to your equipment’s BIOS and fix Menu. which you can reinstall windows and get your notebook working again from this reveal.
If this doesn’t be just right for you, contact HP aid or head to tech support desk, like superior purchase’s Geek Squad.a way to fix All HP circulate 11 home windows 10 issues
Some clients record HP stream eleven home windows 10 complications which are ruining their event. if your pc can birth and you may log in, there’s a really effortless strategy to address these concerns. simply repair home windows 10.
study: the way to Make a Full Backup of Your home windows 10 & home windows eight.1 computer
back up your entire documents, track, images and movies to a flash drive, exterior hard pressure or OneDrive. click on on the beginning button in the backside-left corner of your monitor. next, faucet or click on Settings. Then, click on update & healing. click on recuperation within the menu on the left aspect of the Settings app. It’s the fifth item within the listing.
examine: the way to Reset Your windows 10 pc
Now follow all of the on-reveal prompts to repair windows 10 to returned to factory settings. This process can take a while, so make sure you have enough time to let your HP circulation 11 work on the restoration devoid of interruption.
again, Gotta Be cell will proceed so as to add greater HP stream 11 problems to this breakdown as new considerations turn up.
eight choicest Chromebook alternatives with windowsHP circulation 11 - $199
The HP move 11 is the superior Chromebook choice for adults on a finances and youngsters with a lot of character.
Like other competitively priced laptops, the HP circulation has a plastic shell. You come to a decision whether you need that shell in blue or a extra playful pink. either way, the keyboard deck has white keys and an unobtrusive decoration. It weighs 2.6 pounds.
The notebook's internals are modest. It has 4GB of RAM, an Intel Celeron N3060 twin-core processor and 32GB of storage. it be 11.6-inch 1366 x 768 monitor doesn't have contact. A constructed-in net camera means that you can video chat, and the media card reader offers a effortless approach to add storage or movement data. A USB 2.0 port, HDMI port, headset jack and a USB 3.0 port all take a seat on the notebook's left and appropriate edges. HP says that the desktop lasts for 10 hours on a single cost.
read: $199 HP flow workstation exhibits How Chromebooks Will DieThe best thing in regards to the HP circulate eleven is its cost. extra costly windows 10 laptops most effective include free trials of Microsoft workplace, however the HP stream eleven contains a $sixty nine.99 workplace 365 personal subscription. The provider provides OneDrive storage, notice, PowerPoint and Excel.
purchase the HP flow eleven from Amazon for $199
facebook's new data center in Oregon.fb's 12 months-historical projec t to create open source hardware for information facilities has gotten a tremendous enhance. an entire bunch of huge avid gamers have signed on to take part.
it's known as the Open Compute venture. fb desires new designs for computer systems, storage and different equipment that are greater power efficient.
but there's a seize. agencies that take part should conform to "open source" their designs and make them accessible for free to any one that wishes them. it is now not asserting they ought to provide away the hardware itself -- they'll promote it to fb and, possibly, others.
however their new designs require that each one their pieces and elements work together. adequate with what the OCP calls "gratuitous differentiation."
nowadays, OCP introduced that an entire bunch of huge avid gamers have joined together with HP, AMD, fidelity, Quanta, Salesforce.com, VMware and Canonical, amongst others.
These agencies are working on a brand new sort of server known as Open Rack. it is going to pack greater motherboards and disk drives right into a smaller house. this may let records centers pack greater computers into their buildings as a substitute of getting to build greater constructions.
HP and Dell have already contributed new Open Rack server and storage designs. HP's design is referred to as "project Coyote" and Dell's is referred to as "Zeus." HP and Dell will sell these to facebook. businesses that personal their personal data facilities may insist on Open Rack products, too.
OCP begun after fb engineers designed their own hardware for the enterprise's first records core in Prineville, Oregon. facebook then overtly shared those hardware designs, including motherboards, vigour deliver, and ingredients for servers. different companies, like Google and Amazon have also designed their own hardware, but commonly kept the designs secret.
here's a very good use of facebook's power. it is forcing all of its hardware suppliers to work collectively to solve massive design problems after which give those power-effective designs to the area — and undercut one of the vital leading merits of its archrival, Google.
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Wave Computing’s “TritonAI 64” IP for edge inferencing enables SoCs with up to 6x open-ISA MIPS-64 cores (with SIMD) running Google TensorFlow on a Debian stack plus WaveTensor and WaveFlow technologies for up to 8 TOPS/watt neural processing. Earlier this month, Wave Computing released its first open source MIPS ISA without license fees or royalties, as promised when it announced its MIPS Open initiative last December. Now, the company has unveiled a licensable IP design for constructing system-on-chips that combine up to 6x open source MIPS-64 cores with a Linux stack that runs Google’s TensorFlow. The new TritonAI 64 design also includes Wave’s proprietary WaveTensor subsystem and WaveFlow fabric for neural processing.TritonAI 64 conceptual diagram (left) and block diagram (click images to enlarge) The TritonAI 64 platform “delivers 8-to-32-bit integer-based support for high-performance AI inferencing at the edge now, with bfloat16 and 32-bit floating point-based support for edge training in the future,” says Wave Computing. TritonAI 64 starts with a MIPS 64-bit SIMD engine that supports up to 6x quad-threaded MIPS-64 cores. This CPU block “is integrated with Wave’s unique approach to dataflow and tensor-based configurable technology,” says the company.
Wave offers a TritonAI Application Programming Kit (APK) that includes the open source, Linux-based MIPS integrated developer environment (IDE). The APK also includes a Debian Linux-based TensorFlow programming environment with an API-based WaveRT runtime and libraries.TritonAI 64 APK architecture (click image to enlarge) TensorFlow support includes TensorFlow-lite build support and updates and a TensorFlow build for edge training. Additional AI frameworks such as Caffe2, can be ported to the MIPS subsystem, and support for additional AI networks is enabled via ONNX conversion.
WaveTensor and WaveFlow
The TensorFlow environment interacts with both the MIPS cores and Wave’s AI inferencing and training IP: WaveTensor and WaveFlow. Its WaveTensor subsystem is designed to execute Convolutional Neural Network (CNN) algorithms. The WaveTensor processing engines can scale up to a PetaTOP of 8-bit integer operations on a single core instantiation by combining extensible slices of 4×4 or 8×8 kernel matrix multiplier engines, claims Wave. CNN execution performance can scale up to 8 TOPS/watt and over 10 TOPS/mm2 in industry standard 7nm process nodes “with libraries using typical voltage and processes,” says the company.WaveTensor (left) and WaveFlow diagrams (click images to enlarge) TritonAI 64 also provides a “highly flexible, linearly scalable” WaveFlow fabric, which supports complex AI algorithms, as well as conventional signal processing and vision algorithms, says Wave Computing. WaveFlow is said to enable “low latency, single batch size AI network execution and reconfigurability to address concurrent AI network execution.”
The WaveFlow fabric includes scalable tiles in a 2-D tiling layout. Each tile has 16x CPUs and 8x MACs (8int). WaveFlow can execute algorithms with or without intervention or support from the MIPS subsystem.
“The tremendous growth of edge-based AI use cases is exacerbating the challenges of SoC designers who continue to struggle with legacy IP products that were not designed for efficient AI processing,” stated Derek Meyer, CEO of Wave Computing. “Our TritonAI solution provides them with the investment protection of a programmable platform that can scale to support the AI applications of both today and tomorrow.”
No pricing or availability information was provided by Wave Computing for its TritonAI 64 IP. More information may be found in the TritonAI 64 announcement and product page.Related posts:
Something exciting is happening in the service representative community. Representatives from three different programs, one from each of the U.S. Department of Defense (DoD) services, have come together with a common objective to solve their respective acquisition problems with an agreed-upon, open architecture standard. Here is Part 2 of a 3-part article covering the SOSA [Sensor Open System Architecture] Consortium’s efforts. Read Part 1 in the March 2019 issue of Military Embedded Systems.
The best way to understand the uniqueness of this tri-service convergence is to provide the historical perspective building from the development of the underlying, enabling technology from the past. The current cutting-edge embedded systems are based on the VPX connector, which began standardization around 2003 with the development of VITA 46. The VPX connector provides the state of the art for high-bandwidth, high-connectivity embedded system backplanes. It is a key enabler that allows 728 pins on an IEC-60297-3 Eurocard 6U format and 280 pins on a 3U format circuit card, with options for replacing connector segments for card-edge RF and optical connections with significantly greater bandwidth. This technology came into its own when the OpenVPX standard was approved as VITA 65 in 2010; the market has grown year by year since then, with broad adoption of OpenVPX, as the market converts from legacy VME-based chassis.
OpenVPX includes a broad range of standard options from which a system designer can choose during development. While these options enable a high degree of flexibility to support a broad range of applications, they also create the potential for dilution of the market for any one design, effectively creating a nonstandard standard through all of the allowed permutations. This, of course, is the risk any developing standard faces if it is created in advance of user adoption and broad enough application.
The stated vision of the HOST [Hardware Open Systems Technologies] hardware standard was to apply existing industry standards to effectively do for the U.S. Department of Defense (DoD) what the release of the IBM PC standard did for personal computing. Specifically, the IBM PC standard  provided definition of standard interfaces so that the computer industry could focus and converge on providing capabilities through a market ecosystem which could connect through these interfaces. This definition allowed a range of businesses small to large to develop new capabilities which could be sold at affordable prices, through hardware and software, the development of which could be afforded by the volume that then ensued. In a similar vein, the stated goal of HOST is to allow the industry to stop reengineering existing technologies for new systems (e.g., to slightly different specifications such as environments or pinouts) and refocus the DoD’s and market’s investment in development towards new state-of-the-art technology and value-added new capabilities. The current HOST Tier 2 standard is based on the VITA 65 OpenVPX standard, providing greater specificity as well as adding requirements for basic hardware management (e.g., via VITA 46.11 over the IPMB [intelligent platform management bus] or control-plane Ethernet). It also creates the Tier 3 specification process and requires its use to specify plug-in modules. This tiered structure can be seen in Figure 1.Figure 1: Application of HOST’s tier structure.
(Click graphic to zoom)
The Tier 3 specification process is under development, with plans to be applied and tested during 2019 by end users of HOST (e.g., the Joint Strike Fighter program office and NAVAIR’s PMA 209 supporting development of a replacement mission computer for a number of legacy platforms). A Tier 3 specification can be thought of as a module-level component specification that includes both the way in which the Tier 2 standard requirements are met as well as the additional requirements for module or payload functionality. The definition of a HOST module also allows for the specification of HOST mezzanines: By proper design and functional decomposition, base HOST plug-in modules can be reconfigured for new payload capabilities through selection of different HOST mezzanines. If properly written, a Tier 3 specification will allow an acquisition authority to create a family of products built from modules specified by Tier 3 specifications. This general acquisition authority can include anyone needing, designing, or building an embedded system (e.g., prime contractor or service platform, system designer or integrator, or contract manufacturer that builds systems to a design for a customer).
A product-line manager can then use the set of Tier 3 specifications that they have selected to satisfy customer performance needs with custom designs built upon standard plug-in modules and mezzanines. This vision can be seen in Figure 2. HOST’s benefits to the customers include lower cost hardware through use of standardized modules (not requiring reengineering for each application) with higher volumes, especially if they can be shared across product lines and/or across acquisition authorities or services. Benefits to industry include higher volume for standard modules (e.g., power supplies, switches, and single-board computers) and greater consistency of their market from which to recoup their development costs.Figure 2: The vision for HOST.
(Click graphic to zoom)
Moreover, by knowing the interfaces that customers are selecting, new products can be developed to interface into old systems so that upgrades to the newer model becomes simply a little integration work to create new software load and a lower-cost card swap (i.e., much simpler logistics) versus getting approval and funding for a major acquisition program. When combined with efforts such as FACE [the Future Airborne Computing Environment standard] that intend to abstract application software (that ultimately provides capabilities) from the underlying hardware, industry will know the interfaces of the existing modules and be able to use R&D to develop the next generation of technology (e.g., as new processor chips become available or the next in a family of FPGAs gets announced) in order to be able to plan for more frequent technology refreshes. Stated differently, instead of reengineering each custom card for each new application, common interfaces will allow both customers and industry to commoditize common building blocks so that shrinking development dollars can be focused on greater value-added capability creation.
CMOSS and refinement of RF application standards
The Army has historically implemented C4ISR [command, control, communications, computer, intelligence, surveillance, and reconnaissance] capabilities as a multitude of separate “boxes” on individual platforms. This approach makes it difficult to upgrade capabilities or keep pace with commercial technology due to complex integration challenges, lack of competition, and proprietary interfaces. In many cases stovepiped systems consume more size, weight and power (SWaP) than is currently available, thus necessitating expensive and time-consuming vehicle redesigns.
CMOSS [C4ISR/EW Modular Open Suite of Standards] defines a Universal A-kit (or wiring harness for interconnection) that eliminates the need for platform-specific integration as capabilities can be fielded as cards in a common chassis and components that use existing cabling. The concept of a Universal A-kit is a game-changing approach as it ensures commonality across multiple platforms, while allowing for rapid insertion of the latest C4ISR capabilities. Built upon open standards, this Universal A-kit enables the soldier for the next fight while providing significant cost savings during the procurement and sustainment phases of the life cycle.
CMOSS revolutionizes sustainment as logistics tails can be smaller due to common spares, while unit costs can be reduced by greater competition and economies of scale. Sustainment organizations will no longer need to purchase enough spares to last 30+ years as they can perform modernization through spares and upgrade to the latest hardware every five to ten years or less.
CMOSS defines an open architecture that reduces the SWaP footprint of C4ISR systems by enabling sharing of hardware and software components. Well-defined components with open interfaces not only allow rapid technology insertion to keep pace with emerging needs, but they also permit capabilities that are innovative but unplanned to be quickly implemented. The open architecture consists of a suite of layered standards that are individually useful and can be combined to form a holistic converged architecture.
The CMOSS suite of standards shown in Figure 3 includes:
(Click graphic to zoom)
The linkage between VICTORY and MORA can be more easily seen in Figure 4.Figure 4: CMOSS ties VICTORY and MORA.
(Click graphic to zoom)
CERDEC is working with industry and academic partners to define and mature the CMOSS standards by developing reference implementations within the converged architecture. These activities include coordination with the Tank Automotive Research, Development and Engineering Center (TARDEC) to integrate and demonstrate the reference implementation on a tactical vehicle.
CERDEC is leveraging CMOSS to develop capabilities within its portfolio; these activities will not only further mature the architecture, but will also facilitate technology transition to programs of record. CERDEC is actively working with the acquisition community to include CMOSS requirements in current and emerging programs.
A critical component to the success of any open standard is its sustainment. To that end, CERDEC is actively participating in the associated standards bodies to address emerging requirements and technology. CERDEC is also collaborating with other services to align open architecture activities and enable procurement of common hardware and capabilities: CMOSS has been included in the Air Force’s Sensor Open System Architecture (SOSA) standard and has been aligned with the Navy’s HOST standard.
SOSA and convergence of end-user embedded system requirements
As a cooperative industry forum, SOSA’s stated goal is to lower the life cycle cost of technology development and deployment and reduce the time it takes to get new capabilities deployed faster than the traditional, stovepiped platform approach. This cooperation includes the underlying technology which enables and/or provides the next capability, both hardware (e.g., plug-in modules) and logic (e.g., software and firmware). These goals are similar to those for HOST and CMOSS – that is, all three efforts are effectively trying to achieve the same goals of lower cost and faster transition of capability – so consequently SOSA became a logical overarching organization upon which these two efforts could converge. As an Open Group consortium, SOSA has also benefited from what has been learned from past open architecture initiatives that have been successful, as well as learning how to avoid the mistakes of past unsuccessful standards. For example, SOSA incubated under the FACE Consortium in order to leverage lessons learned, membership structure, and develop valuable initial processes that took FACE years to develop and accumulate. Under the FACE Consortium, SOSA was able to come up with a common ecosystem between avionics and sensor domains, further improving interoperability of both efforts.
 Reference to the public version of the VICTORY standard
NAVAIR | www.navair.navy.mil CERDEC | www.cerdec.army.mil AFLCMC | www.wpafb.af.mil/aflcmc
In this article, we explain how the use of open-source functional simulators like Antmicro’s Renode can be an integral part of hardware-software co-design efforts.
As markets demand more from their embedded systems, next-generation SoCs are becoming more complex, leading to lengthier design cycles and rising costs, according to Semico Research.
The frustrating reality for device makers is that the only way to deliver the new and innovative features, greater security, and better performance that their customers are asking for, is to engage in “whole stack” co-design, evolving hardware, firmware, runtime (OS), and development toolchain in tandem. Doing so allows hardware and software teams to address complex tradeoffs around where in the stack to implement functionality and optimizations.
Unfortunately, co-designing is often the key driver of lengthening design cycles—and therefore, costs—when proper simulation tools are not in place.
In this article, we explain how the use of open-source functional simulators like Antmicro’s Renode can be an integral part of hardware-software co-design efforts. Further, we’ll show you an example of how Renode users are able to leverage the tool to drastically reduce the length of their design cycles, provide a simple and effective means for customers to evaluate their solutions, and to begin adapting software collateral in parallel with hardware integration efforts.Where Software Simulators Can Fall Short
The importance of picking the right simulation tool is best illustrated in the case of Dover Microsystems.
Dover’s CoreGuard® technology is the only solution that prevents the exploitation of software vulnerabilities and enables processors to defend themselves against network-based attacks. Dover was able to accomplish this through eight years of research and development—first as the largest performer in the DARPA Crash Program, and then at Draper Labs—which resulted in a unique hardware/software hybrid solution for embedded systems.
This hybrid solution requires tight integration between both hardware and software components. CoreGuard silicon IP is a sentry processor that acts as a bodyguard, protecting embedded systems from cyber attacks. It monitors every instruction executed by the host processor to ensure that it complies with a defined set of security, safety, and privacy rules called micropolicies—the software component of CoreGuard. If an instruction violates an existing rule, CoreGuard stops it from executing before any damage can be done.
To accomplish this, CoreGuard needs to keep up with the execution of the host processor. That is, on average, it must be able to retire (approve via micropolicies) instructions at the same rate as the host processor being protected. It is also desirable that CoreGuard minimize the amount of memory required for metadata management.
Therefore, meeting the performance, power, and area demands requires a complex interplay of optimizations from both hardware and software layers.
The hardware team at Dover uses a standard SystemVerilog-based process and toolchain. Initial prototypes of the CoreGuard system are built on RISC-V based SoCs. Because CoreGuard has a substantial software component in addition to the hardware IP, it was important that the software team be able to start well before any hardware prototypes were available.
The software team at Dover initially used the Spike RISC-V ISA software simulator that is available from the RISC-V GitHub repos. They encountered two problems basing their commercial development of CoreGuard around Spike:
These shortcomings highlighted Dover’s need for a flexible multi-architecture simulator with the concept of peripheral models to be used in place of Spike.How Renode Addresses Important Co-Design Needs
Facing similar heterogeneous hardware/software co-design engineering challenges stemming from work with open-source softcores, early software for leading-edge computing platforms, FPGA SoCs, and emerging CPU architectures such as RISC-V, Antmicro—an open-source-focused technology and services provider—developed a flexible simulation framework called Renode.
Renode is a hierarchical, modular simulation framework aimed at running real production (i.e., unmodified) firmware in a variety of complex systems, including interconnected multi-node, multi-architecture, heterogeneous, MCU-level and Linux-capable systems.
To tackle these various levels of complexity, Renode is built around a strong notion of abstraction and adopts an object-oriented, modular approach to system simulation. Cores and peripherals are seen as building blocks that can be connected over interfaces in different configurations, reflecting how real SoCs are built.
Figure 1. An example of a simulated RISC-V SoC.
Figure 1 shows an example of a simulated RISC-V SoC. Each building block, including the CPU, has a set of properties and APIs which can be used to construct the simulation model of the entire SoC. Similarly, single nodes can be further combined into a multi-node system using virtualized wireless and wired connections (6LoWPAN, UART, Ethernet etc). All this does not require changes to Renode’s codebase but is done via configuration and scripting, diminishing the learning curve and limiting codebase fragmentation.
The Renode framework’s flexible nature, its open-source availability, and the existence of commercial support provided by its authors made it easy for Dover to first build a prototype implementation of their desired workflow and then contract Antmicro to implement (and release into the open-source domain) functionalities that made Renode even better suited for their use case, such as per-instruction execution.
In particular, using Renode, Dover engineers are now able to:
Model the hardware architecture specification from Dover’s hardware group, then write and test firmware against those models, all while the hardware is under development.How Renode Significantly Decreased Dover's Design Cycle
Dover’s CoreGuard technology is a hybrid cybersecurity product in which both hardware and software designs are evolving. As a result, it is important Dover’s development process allow for parallel development and testing of both hardware and software.
Figure 2. The development process used by Dover.
Dover is using the development process outlined in Figure 2. The hardware and software teams collaborate on the hardware interface (which of course will continue to evolve). As the hardware team starts implementing blocks in SystemVerilog, the software team creates models of the new blocks in C#, the native language underlying Renode. The software team is then able to write firmware that communicates with the new hardware interfaces, and test that software under Renode simulation. Eventually, the software is run on an FPGA emulator.
This development process, made possible by Renode, has helped Dover optimize both “low fidelity” and “high fidelity” simulations.
While this “low fidelity” simulation abstracts away all of CoreGuard’s hardware logic, Dover still finds this setup useful in the following contexts:
In “high fidelity” simulations, which replicate a more accurate hardware model, the Dover engineering team has been able to recognize a number of benefits with Renode, including:
As indicated earlier, there are some challenging performance and area constraints that next-generation solutions like CoreGuard place on SoC design teams during implementation.
In order to increase performance and reduce memory usage, there is a wide range of optimizations that need to be made, which frequently cross the hardware/software boundary.
It is critical that design teams able to explore a large range of possible hardware/software co-optimization techniques and tradeoffs, without a large, serialized “first-hardware-then-software development process.” A flexible software functional simulator such as Renode allows Dover engineers to collaborate across the hardware-software divide to find optimal trade-offs between hardware and software complexity, making it integral to their efforts.
To learn more about how Renode can streamline co-design projects, visit renode.io. To learn more about how CoreGuard can protect embedded systems from network-based attacks, request a demo to see CoreGuard in action.
This article was co-authored by Michael Gielda, VP Business Development and co-founder of Antmicro.
Industry Articles are a form of content that allows industry partners to share useful news, messages, and technology with All About Circuits readers in a way editorial content is not well suited to. All Industry Articles are subject to strict editorial guidelines with the intention of offering readers useful news, technical expertise, or stories. The viewpoints and opinions expressed in Industry Articles are those of the partner and not necessarily those of All About Circuits or its writers.
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