execute code from RAM?
Hi, I implemented a Cortex-M0 based design on FPGA with the executable code1. After I download the FPGA image, the FPGA board function as what code1 should do, it's good now. And I tried the...
View ArticleIs there any way to access Trusted RAM in normal domain?
I am using Juno Board with Linaro's trusted firmware. For the convenience of debugging, I want to access the Trusted RAM(0x04000000-0x04040000) in normal domain, and directly flash the image into...
View ArticleeglGetError() = 12291 (0x00003003)
Hi I am a beginner inOpenGL ES 2.0,and get a problem, After decompress Mali_OpenGL_ES_2.0_SDK_for_Linux_On_ARM_v1.2.0.9310_Linux.tar.gz and install Sourcery CodeBench Lite Edition for ARM...
View Article[有奖活动]“ARM精彩25周年，感谢有您”有奖祝福征集活动开始啦
1990年11月27日，ARM成立于英国剑桥的一个谷仓。 到今天，ARM已经成为全球领先的半导体硅智财(IP)供应商，生态系统合作伙伴已超过1,000家。 ARM 25年精彩，感谢生态系统的所有合作伙伴，感谢有您！ 请与我们一起感受25周年华诞的喜悦！欢迎给我们留下您的真挚祝福！ 所有跟帖留下祝福的朋友，都有机会获得如下好礼：《ARM Cortex-M0权威指导》× 20本，拉杆箱 × 10个。
View Article亲们，ARM三大平台，您关注了几个？
手机、可穿戴设备、消费电子产品……生活中已经离不开ARM，虚拟的空间，请也与我们在一起！ 我们已经开通了微博、微信、社区三大平台，让都关注了吗？ 扫码关注ARM微信官方账号，ARM深度资讯您一手掌握，更可随时互动，各种有奖活动还有好礼相送；
View Article欢迎给我们社区提宝贵意见
各位用户大家好， 我是斑竹。 前一阶段，我在北京，上海和深圳做了个线下的Survey，问了一下大家对中文社区的意见。 估计很多朋友不一定有时间到场，所以，我有两个线上Survey欢迎大家一起参与，并告知我们您的意见： 中文调查问卷：2015 ARM中文社区调查 （这个是第三方平台做的，大家提交完就结束了，后面的抽奖啥的都是广告，不用理他）...
View ArticleThe ARM® mbed™你了解多少？不清楚的进来瞧瞧
ARM® mbed™是个啥？ ARM® mbed™ 物联网设备平台基于ARM微处理器，能够最短的时间创建支持商用与互操作的互联物联网设备，同时跨细分市场的节点与云服务之间的互操作性可最大限度发挥物联网的潜力。 ARM® mbed™物联网设备平台提供了所有关键组件，通过 ARM 的 mbed 操作系统（mbed OS）、mbed 设备服务器（mbed Device Server）以及
View ArticleARM Interrupt handling for GIC controller(ACPI)
The generic interrupt handling layer ============================= Maybe we all know the classic __do_IRQ() in the kernel, but as the so called a 'generic interrupt handling layer' introduced, the...
View ArticleDS-5 External Builder (Gnu Make Builder) is not working
Hello I encounter a wired issue by using external builder (Gnu Make Builder) to compile Armv8 project with DS-5 v5.22/5.23 compiler 6. I simply created a "Hello World" example project as ARM link...
View Article不使用 arm trusted firmware 是否能够引导linux
Hello, 基于Cortex-A53 四核CPU,打算直接通过u-boot引导linux,引导流程如下： BIOS[EL3] ---> u-boot[EL3] --->linux[EL1] 如果不需要trustzone 是否能够通过此方法boot linux?
View Articlevolatile int typecast return value. Could this make problem?
Hello experts, I'm a beginner of embedded system development. I have question.about difference of two code. at first, suppose there is function like int SomeFunction(void) { ......
View ArticleHEXUS EPIC Giveaway Launches with ASUS Gigabit Routers
Each new generation of WiFi routers comes with better bandwidth, more capabilities and broader reach, transforming what users can do in the home from entertainment, to gaming and more. Now, HEXUS, in...
View ArticleCan the linux boot up without arm-trusted-firmware if the trustzone is not...
Hi experts, I am trying to boot the linux by my bootloader which is running on EL3 level.(switch to EL1 when I jump to the kernel) The trustzone is not necessay for me, so I don't want to use...
View ArticleI am now an ARM ACCREDITED ENGINEER
Hello all, I am glad to inform you that I am now an ARM ACCREDITED ENGINEER. I have created a Freemind map with the important concepts applicable for the AAE syllabus. This was helpful for me in...
View Articlewrong reset value of TTBR0 at reset, in Cortex A9, R3P0
Hi i have some questions on dual Core CortexA9 r3p0 revision. I am using Cortex A9 r3p0 processor in Our SOC(system on Chip). when i connect to Core 0 and read TTBR0 register i get 0x00004001, but when...
View Article128b AXI3 interface to on-chip sram memory
Say , in a system a 128bit datapath is needed between a processor and an on chip sram memory i.e A7 -> NIC301 -> IntMemAxi ( BP140 ) -> sram In the above scheme
View Article什么阻碍了 Android 游戏性能？
原文地址：What's holding back Android gaming performance? 原作者：sharifsakr 由于需要支持的设备众多，Android 软件的性能频繁下降。这是因为开发人员无法像在 iOS 上一样，轻松快速地微调应用和游戏性能，而消费者在 iOS 上选择硬件的权利少得可怜。事实上，让 Android...
View ArticleI got an error in clSetKernelArg
I tried to code using mali-opencl-sdk. I got an error message in clSetKernelArg. It was runtime error. Fatal signal 11 (SIGSEGV), code 2, fault addr 0xff000008 in tid 587 (RenderThread)...
View Article[有奖活动] ARM来袭，如何助你成为创业家（获奖名单公布，请获奖者联系斑竹）
各位朋友， 你们好，感谢大家积极参与我们ARM的Design Start相关活动，这个对于创业者是非常实用的一个方案。 因为上周开始一直在做ST活动的统计，把这个得奖的发布延后了，非常抱歉，感谢几位用户发信提醒我，斑竹下次要更有时间观念。 经过我们ARM专家lifenggeng的综合考量，选择以下20位用户获得我们的最佳回复奖。请查看名单。...
View ArticleIs it possible to benefit from DMA in r6p0 using DRM + GPU?
Hi, I own an odroid XU3 wich runs currently with the newest mali driver (r6p0) on ubuntu 15.01 without X. I spend the last days in trying to pass the drm buffer using gbm into the mali gpu, until now...
View Article