Feedback - Web Font Error fast.fonts.net
Is there a way to send feedback about this site? It looked like "fast.fonts.com" wasn't too fast, and when I checked, I came across: Update fast.fonts.com to fast.fonts.net Update fast.fonts.com to...
View ArticleIs NEON Floating Point (VFP) Only?
Referring to the diagram below, it appears that NEON only applies to floating point processing. Is this correct? Does it mean that NEON only applies to using the VFP? Does it mean that NEON does...
View ArticleHow to understand SDIV instruction availability?
Hi, When I read Thumb-2 instruction manual, it is not clear to me about SDIV availability. Especially I do not understand the last line "are not available in ARM state." Could you explain it to me?...
View ArticleWhat does it mean 'IT can be omitted'?
Hi, When I read the following on ARM website, I don't understand the first line. When I change ITTE to TE (as 'IT can be omitted"), the assembler complains an error of this line. Could you explain it...
View Article[专稿] ARM Day in CGDC ARM现身2015游戏开发者大会
各位中文社区用户, 昨天下午斑竹去China Joy了,不过不是去看靓丽的Show Girl,而是去参加ARM Day活动了,什么,你还不知道ARM为什么要参加游戏展,那么,赶紧让我来告诉你,ARM和游戏的关系。 其实,ARM参加的是China
View ArticleHow to build for my target architecture
I downloaded DS-5, and setup the project as per this link Getting Started with ARM DS-5 Development Studio | ARM DS-5 Development Studio But instead I add the following code from one of the examples on...
View Articlesome help with DS-5
Greetings Experts I am trying to compile the TEE sample with DS-5. I downloaded the latest version of DS-5, and created a C project. I was able to put in the main_secure.c file and build ok. I then...
View ArticleWhat is P1, P2, P3 and P4 use in Thumb2 IF block instruction?
Hi, When I read IT block in Thumb2 instruction, I don't understand the use of P1, P2, P3 and P4. From below pictures, can you tell me what use are P1, P2, P3 and P4? Thanks, This line is...
View ArticleARM SPEC score.
Dear All, Does ARM offer any official/reliable SPEC2000/2006 benchmark results for A15 cores? I am running some experiments and need to make comparisons. Thank you.
View Articlewhat's the difference between aarch64linux and aarch64elf ?
Hi,recently i use my compiler to generate a elf binary,when i assign the elf format to aarch64linux , it can work,but when i change it to aarch64elf ,i can't run.maily error like below: Program...
View ArticleWhy when you press download Mali OpenGL ES 3.0 SDK for Android downloaded...
Hi everyone Who can explain why when I try to download Mali OpenGL ES android sdk 3.0 I suggest to download Mali Graphics Debugger v2.1 Can someone help me and tell me where to
View ArticleHow many states for an ARM Cortex A8?
Hi, When I read about Thumb2 instructions, I have such a question: How many states for a Coretx A8? I know it has ARM and Thumb states. Thumb2 instruction is belong to Thumb state? Then does A8 have a...
View ArticleARM A7 generic timer
Hi ARM expert, I am trying to use generic timer, but seems the generic timer wasn't enabled. My steps are: Set CNTFRQ with 1MHz Set CNTP_CVAL with 100 set CNTP_CTL with 0x00000001 4. Read...
View ArticleInteresting question, for interesting documents !
Hi, I just want to know how to include scan code in my interesting documents ? Like this... read more
View ArticleARM NEON programming quick reference
ARM NEON programming quick reference 1 Introduction This article aims to introduce ARM NEON technology. Hope that beginners can get started with NEON programming quickly after reading the article. The...
View ArticleCompiling Xen for Juno
Hi, I am trying to run Xen on Juno r0 board and while compiling the Xen code getting following error - make xen XEN_ARCH_TARGET=arm64 debug=y CONFIG_EARLY_PRINTK=juno make -C xen install make[1]:...
View ArticleGetting Started with ARM Microcontrollers and Assembly Programming
Hello and I welcome you to my ARM programming tutorial series. I would like to give a big thank you to Abhishek Agrawal, a Final Year Undergraduate Student at IIT Kharagpur for his help to complete...
View ArticleRK3288开发板PopMetal上的GPIO驱动实例
楼主在这边给大家介绍下如何使用PopMetal的GPIO。先讲过程,再讲原理吧, 该驱动需要涉及到的知识点:1,DTS设备树的作用,2,platform虚拟总线驱动的编写。 第一步,添加DTS节点 在/kernel/arch/arm/boot/dts/rockchip.dts下添加如下内容。 下图rockchip-leds-gpio这部分的内容,修改保存,
View ArticleJuno boards
I tried to find out where one can get a Juno board, but didn't find out. So where do people get them and what kind of prices do they have?
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