• Exception handlers and interrupt

    RCReddy
    RCReddy

    Hi All,

            i went through this link

    http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0471g/BABGCFHB.html

    and related a53 vector table implementation.

    in this regard, i have a question

    1. Say a processor gets stuck in exception handler due…

    • Answered
    • over 1 year ago
    • System
    • SoC Design forum
  • GIC 3.0's SGI interrupt latency seems much bigger than GIC 2.0

    thomas_cp
    thomas_cp

    Hi,

    I tested SGI interrupt latency, it seems that GIC3.0's SGI interrupt latency are much bigger than GIC2.0.

    How to test:

    GIC3.0:

    1. read timestamp(t01)

    2. core0 write  ICC_SGI0R_EL1 to trigger core1, read timestamp(t02)

    3. isr in core1, read timestamp…

    • over 1 year ago
    • System
    • Embedded forum
  • What kind of memory barrier should be followed by writes ICC_SGI1R_EL1?

    thomas_cp
    thomas_cp

    As we all know, ICC_SGI1R_EL1 is used to produce another core's interrupt.

    I am a software engineer.

    My question is what kind of memory barrier should be followed by writes ICC_SGI1R_EL1?

    This question related to the implementation of the instruction…

    • Answered
    • over 1 year ago
    • System
    • Embedded forum
  • Is the Corelink SSE-200 Subsystem available for Cortex M23?

    Mike EFTIMAKIS
    Mike EFTIMAKIS

    This question was raised in the 'How to implement a secure IoT system on ARMv8-M' webinar, view all the questions in the round up blog post. 

     
    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • Can you explain why you propose having two cores in your CoreLink SSE-200?

    Mike EFTIMAKIS
    Mike EFTIMAKIS

    This question was raised in the 'How to implement a secure IoT system on ARMv8-M' webinar, view all the questions in the round up blog post. 

    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • How did you measure the Instruction cache efficiency? Just code execution from Flash? Reading data from Flash? Programming data to Flash?

    Mike EFTIMAKIS
    Mike EFTIMAKIS

    This question was raised in the 'How to implement a secure IoT system on ARMv8-M' webinar, view all the questions in the round up blog post. 

    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • GIC 500 :: Not able to find the definition for GICD_IROUTERn register

    danish259
    danish259

    Can someone please point me to the documentation where I can find the definition for GICD_IROUTERn register. I see it mentioned in DDI0516B_gic5000_r0p0_trm but not the complete definition.

    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • GIC500 :: Not able to disable Affinity Routing

    danish259
    danish259

    I'm not able to disable the affinity routing (i.e. ARE_S and ARE_NS bits being set always). Reset value of GICD_CTLR register is 0x30.

    Actually I want to forward the interrupt from Distributor to multiple Cores but seems to use ITARGETSR, affinity…

    • Answered
    • over 3 years ago
    • System
    • SoC Design forum
  • Three reasons to read ARM’s new whitepaper on Enterprise Virtulization

    Lip-Min Khor
    Lip-Min Khor

    Over the past decade, ARM has accelerated its effort to enable its technology to be leveraged by enterprise users. Today ARM servers are becoming increasingly common, not only with common open source Linux hypervisors (such as KVM and Xen) but also other…

    • over 3 years ago
    • System
    • SoC Design blog
  • Building better systems at ARM TechCon - day 3

    Stephanie Usher
    Stephanie Usher

    FullSizeRender.jpegJust like that, ARM TechCon is over for another year! Last week was an exciting week for everyone within the ARM ecosystem and it was a very busy week! I wanted to round off the event with one last blog post, so here are some of my highlights from the…

    • over 3 years ago
    • System
    • Embedded blog
  • Exploring the ARM CoreLink™ CCI-500 performance envelope – Part 2

    Nick
    Nick

    Introduction

    In Part 1 of this blog series (found here ) we introduced the ARM CoreLinkTM CCI-500 Cache Coherent Interconnect and described some of the new configurable features which are available over and above what was available with the previous generation…

    • over 5 years ago
    • System
    • SoC Design blog
  • CoreLink NIC-400: a great interconnect for wearables and entry-level smartphones

    William Orme
    William Orme

    As the number of processors and I/O masters in an SoC continues to rise the need for an efficient and easy to design interconnect becomes critical. An interconnect must provide sufficient throughput and low enough latency for all masters in the system…

    • over 6 years ago
    • System
    • SoC Design blog
  • How to Measure and Optimize the System Performance of a Smartphone RTL Design - Part 4

    Nick
    Nick

    By William Orme, Strategic Marketing Manager, Arm and Nick Heaton, Distinguished Engineer, Cadence

    This is Part 3 of a 4 part series. Links below

    Part 4

    Cadence Interconnect Workbench

    We have seen how a systematic process can be applied to validating…

    • over 6 years ago
    • System
    • SoC Design blog
  • Getting the Most Out of the ARM CoreLink NIC-400

    Bill Neifert
    Bill Neifert

    At this year's ARM® TechCon™, Carbon Design Systems did a joint presentation with ARM entitled "Getting the Most out of the ARM CoreLink™ NIC-400."  In this blog, I'll give a high level overview of what we presented and also give an opportunity to download…

    • over 6 years ago
    • System
    • SoC Design blog
  • How to Measure and Optimize the System Performance of a Smartphone RTL Design - Part 3

    Nick
    Nick

    By William Orme, Strategic Marketing Manager, Arm and Nick Heaton, Distinguished Engineer, Cadence

    This is Part 3 of a 4 part series. Links below

    Part 3

    Use-case Performance Analysis

    In the previous two parts we introduced the challenges facing designers…

    • over 6 years ago
    • System
    • SoC Design blog
  • How to Measure and Optimize the System Performance of a Smartphone RTL Design - Part 2

    Nick
    Nick

    By William Orme, Strategic Marketing Manager, Arm and Nick Heaton, Distinguished Engineer, Cadence

    This is Part 2 of a 4 part series. Links below

    Part 2

    Performance Characterization

    Because of the complexity of assembling and configuring the multitude…

    • over 6 years ago
    • System
    • SoC Design blog
  • Introduction to the QVN Protocol

    Ashley Stevens
    Ashley Stevens

    I created a short introduction to the QVN protocol used with the QVN-400 plugin to NIC-400 and with the DMC-400 dynamic memory controller. This is a non-confidential introductory-level document for those seeking to understand how QVN works and what issues…

    • QVN-Introduction-CC.pdf
    • over 6 years ago
    • System
    • SoC Design blog
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