Using clEnqueueMapBuffer Mali-T880
Hi everyone, I'd like to know what happens when I use the command clEnqueueMapBuffer to the hardware level. All the buffer at CPU-side cache is invalidated? And when I use the command...
View Article如何从零开始利用ARM微控制器相应资源
作者：jyiu ,2015年4月3日第五版更新 原文地址：Getting started with ARM Microcontroller Resources 1 – 总览 对于一个ARM微控制器的初学者来说，有时候要找到一些有用的设计参考信息是非常困难的一件事。因为在网上实在有太多资源了，最先遇到的困难可能就是能不能找到一个地方帮助你正确选择一款ARM的处理器 ，目前，主要有两种ARM处理器：...
View ArticleDiamond Systems Company Overview
Founded in 1989 and based in Mountain View, California, Diamond Systems Corporation is a leading global provider of compact, rugged, board- and system-level real world embedded computing solutions to...
View ArticleDiamond Systems Contact
Main Office: Diamond Systems Corporation 158 Commercial Street Sunnyvale, CA 94086 +1-650-810-2500 www.diamondsystems.com Contact person: David Fastenau Director of Marketing +1-650-810-2514...
View ArticleData Abort Exception in A53
Hello, I am working on Cortex-A53 and using Cortex-A53 DSM Model in my design. We are getting Data Abort exception on a read to ROM address and ESR_EL3 register showing its a DECERR External error....
View ArticleHow does ilinkarm work?
Dear all, Today I faced one matter with ilinkarm. I tried to configure it in many ways to find out its behavior but finally I cannot. The matter is that I am using ilinkarm to program some binary files...
View ArticleGraphics Debugger and non-rooted android
I'm trying to debug an OpenGL application on a Samsung S6. For various reasons I cannot root the device, so I followed the graphics debugger instructions for non-rooted Android. When I try to run the...
View Articlethe alpha value is not correct after compression by tct mac v4.2
hi guys, i just find the alpha value become much smaller after compression by Mali GPU Texture Compression Tool v4.2 mac version, this problem also happens in the latest version v4.3, but it works well...
View ArticleMali utgard ump driver VM_SHARED mmap problem
The testing environment is Mali400 driver version r6p0 running on Linux 3.18.16 when entering UMP mmap driver, the code is (driver/src/devicedrv/ump/linux/ump_kernel_linux.c) static int...
View ArticleRead/Write from register
hi I'm using the soft-core Cortex-M0,keil uvision 5,vivado 14.4 I am trying to implement a filter on my Cortex m-0 based FPGA the main idea of this project is to create an accelerator from my C...
View Article玩转OP-TEE
随着智能手机逐渐融入生活，手机上承载的业务也逐渐由开始的通讯娱乐扩展到人们的衣食住行，说到这些自然离不开钱。当手机厂商谈到钱的时候，用户第一个想到的问题就是安全，特别是在今天这个恶意病毒软件横行当道的年代。随着各种安全门，存款被盗事件在手机上爆发，国内的各大手机厂商，支付公司，出版商，银行也逐渐开始意识到手机安全问题，现在都开始在积极寻找手机安全解决方案。ARM在十几年前意识到安全问题对于移动产品的...
View ArticleIn aarch32 state, what is the mechanism to switch to aarch64 in software?
Dear sirs, I'm reading arm v8a specification. I found that when arm is in aarch32 state, only a few exceptions can switch to aarch64 depending on the configuration in the registers. the exceptions are...
View ArticleWhy is there an ACP interface for many ARM processors?
Dear sirs, I read ACE specification and ARM processor documents for ACP explanation. I always have some questions about ACP. As soon as you know, ACP exists in SCU for data coherency. Q1: The document...
View ArticleARM CM4 FPU execption
I am looking for FPU exception generation code. If some one share, or suggest some document for the same. Regards Anuj
View ArticleWayland EGL for Mali400(Utgard)?
Hi, As I know, the lastest version of midgard DDK can support wayland egl. Is there any plan to support it for mali400(utgard)? or do you already have the supported version? Thanks.
View Article活动预告：社区带你看Computex 2016
大家好，一年一度的台北Computex即将在5月31日到6月4日举行。 ARM中文社区将派出前线观察员为您带来相关报道和有奖活动，带您领略这一业界盛会。 注意关注ARM中文社区，参加我们的活动。赢取来自台湾的礼品。 ARM的老大也来啊，大家看他那智慧的发际线。
View ArticleWrite to GICv2's GICD_ITARGETSR -- wait for changes to take effects
Using the GICv2, software can change the CPU interfaces targeted by an interrupt (more precisely, an SPI) by writing to the corresponding GICD_ITARGETSR. The GICv2 specification states, in the...
View ArticleARM出席Rockchip VR生态链对接峰会
今天收到我们社区用户yanyanxing的消息，ARM积极参与了Rockchip的VR生态链对接峰会。 ARM MPG副总dennislaudick 在会上分享了ARM业务全景、产品及技术架构和半导体行业技术方案三个方面为与会者分享了ARM生态内的产品与服务，以及ARM在核心架构及GPU方面如何助力打造酷炫的移动AR与VR体验....
View ArticleUsing Linaro's deliverables on TC2
1. Preface 2. Prerequisites 3. Initializing a workspace 4. Building from source 5. Running the software 1. Preface This document pertains to Linaro Release 16.04. Click here for release notes. The...
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