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March 31, 2012March 31, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

ARM Development Studio 5 (DS 5) Demos At Design West

ARM has shot a few video demos of their ARM Development Studio 5 (DS 5), a software development tool suite for ARM platforms, at Design West 2012. The first video shows DS 5 running on the Xilinx Zynq-7000 platform (dual cortex A9 + FPGA), and we can see the memory map, registers, call graphs and stack usage. We can also see real-time processor switching and the function that takes the most CPU resources (profiling). The second videos showcases ARM DS-5 Streamline, a performance analyzer, which helps determine how well programs are running on a Linux or Android platform, on an Samsung Exynos 4210 platform (Origen board?). This tool also to profile both the dual-core ARM Cortex-A9 and ARM Mali-400 MP GPU in the platform. We are shown three types of reports: CPU/GPU Loading Threads usage Power Usage per application The third and last video shows ARM DS 5 on Freescale i.MX6 […]

March 29, 2012September 30, 2021 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

ARM Releases Ne10: An Open Source Library with NEON Optimized Functions

The Advanced SIMD extension (aka NEON or “MPE” Media Processing Engine) is a combined 64- and 128-bit single instruction multiple data (SIMD) instruction set that provides standardized acceleration for media and signal processing applications for ARM Cortex-A (ARMv7) processors and the goal of these instructions is similar to MMX, SSE, and 3DNow! extensions for x86 processors. Starting early 2011, ARM has been working internally on a project codenamed Snappy to develop common functions accelerated by NEON. They have now released the first version of Snappy, now called the Ne10 library, which is available on GitHub at https://github.com/projectNe10/Ne10 . The code has been developed in C and Assembler and tested on Ubuntu on ARM (Linaro). A Makefile is also included to build it for Android (AOSP). The current functions include vector and matrix operations accelerated by NEON instructions. Since the library is open source, ARM hopes developers will make use of the Ne10 […]

March 27, 2012March 27, 2012 by Jean-Luc Aufranc (CNXSoft) - 10 Comments

Cross-compiling the ARM Linux Kernel in Ubuntu 12.04 LTS

Yesterday I installed Ubuntu 12.04 ‘Precise’ Beta 1 in Virtual Box to give it a try (I could not manage to have HUD working btw), and today, I’ve noticed an article entitled “Ubuntu 12.04 ‘precise’ and cross compilation of ARM kernels” explaining how to build Linaro ARM kernel in Ubuntu 12.04. So I’ve decided to give it a try, especially it seems straightforward. I followed the instructions in the aforementioned link, it basically worked except I had to install dpkg-dev package that also installed the build essentials (gcc, g++, etc…) and use sudo for some commands. You’ll notice the name change for the ARM gcc toolchain as it now uses hard-float by default which seems to provide quite a boost in performance for the Pandaboard. Here are the steps I followed: Install the ARM GCC cross compiler and the development package of dpkg:

sudo apt-get install gcc-arm-linux-gnueabihf dpkg-dev

1	sudo apt-get install gcc-arm-linux-gnueabihf dpkg-dev

Retrieve the kernel source:

apt-get source linux-source-3.2.0

1	apt-get source linux-source-3.2.0

Install […]

March 13, 2012July 17, 2012 by Jean-Luc Aufranc (CNXSoft) - 2 Comments

ARM Announces ARM Cortex-M0+ Core to Power the Internet of Things

ARM has just unveiled the ARM Cortex-M0+ 32-bit processor optimized to deliver ultra low-power and low-cost MCUs to power the ‘Internet of Things‘ by controlling connected intelligent sensors and smart control systems in a broad range of applications including home appliances, white goods, medical monitoring, metering, lighting and power and motor control devices. ARM claims the Cortex-M0+ consumes just 9µA/MHz on a low-cost 90nm LP process, around one third of the energy of any 8- or 16-bit processor available today, while delivering significantly higher performance (1.77 CoreMark/MHz). Beside the low power consumption, the main advantage of the Cortex-Mo+ over 8-bit and 16-bit MCUs , is that it can provide low power wireless connectivity to a variety of embedded systems such as wireless sensors. The new processor is based on Cortex-M0 processor but has been redesigned to include a few new features such as: Single-cycle IO to speed access to GPIO […]

March 8, 2012March 27, 2012 by Jean-Luc Aufranc (CNXSoft) - 10 Comments

How to build qemu-system-arm in Linux

Most (all?) Linux distributions have a binary package for qemu-system (including qemu-system-arm) in order to emulate non-x86 targets such as ARM, MIPS, PPC, Alpha and more. However, in some case you may need to very latest version of qemu-system and it may not be able yet for your distribution. Here’s how to do to build qemu-system-arm without building all qemu-system-***: Download the latest stable version of qemu (qemu 1.0.1 at the time this post was written):

wget http://wiki.qemu.org/download/qemu-1.0.1.tar.gz

1	wget http://wiki.qemu.org/download/qemu-1.0.1.tar.gz

or get the latest source code (development tree) which has the very latest features and bug fixes, but may not work or compile:

git clone git://git.qemu.org/qemu.git

1	git clone git://git.qemu.org/qemu.git

or get the latest source code from linaro (which may be more up-to-date for ARM targets):

git clone git://git.linaro.org/qemu/qemu-linaro.git

1	git clone git://git.linaro.org/qemu/qemu-linaro.git

Configure qemu to build ARM targets:

cd qemu
./configure --target-list=arm-softmmu,arm-linux-user

1 2	cd qemu ./configure --target-list=arm-softmmu,arm-linux-user

Build and install qemu-system-arm:

make -j 2
sudo make install

1 2	make -j 2 sudo make install

Verify the latest version of qemu-ssytem-arm is installed:

# qemu-system-arm --version
QEMU emulator version 1.0,1, Copyright (c) 2003-2008 Fabrice Bellard

1 2	# qemu-system-arm --version QEMU emulator version 1.0,1, Copyright (c) 2003-2008 Fabrice Bellard

Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time […]

March 7, 2012April 27, 2012 by Jean-Luc Aufranc (CNXSoft) - 3 Comments

Samsung Exynos 5250 Dual-core Cortex A15 and GAIA SMDK Development Board

Samsung showcased its new Exynos 5250 Dual-core Cortex A15 processor at Mobile World Congress as well as the corresponding Samsung Exynos 5 GAIA SMDK Development board. Announced in November 2011, the new Samsung Exynos 5250 processor features 2 Cortex A15 clocked at 1.7 GHz or 2 GHz, with a Mali-T604 GPU and support for dual-channel 800 MHz LPDDR3 RAM that allows for a data bandwidth of up to 12.8 GB/s. The processor is manufactured using 32-nm HKMG (High-K Metal Gate) technology that reduces leakage by 30% proving lower power consumption. Samsung claims the new Exynos 5 processors are twice as fast and consume twice as less power than its previous Exynos 4 application processor based on Cortex A9. This seems to confirm TI OMAP 5 vs. Nvidia Tegra 3 benchmark results. The Exynos 5250 supports embedded DisplayPort (eDP) interface up to WQXGA resolution (2560×1600), which is handy for Samsung since […]

March 1, 2012July 17, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

Microsoft Unveils Windows 8 Consumer Preview at MWC 2012

Earlier this month, Microsoft announced they would be releasing Windows 8 Consumer Preview at the end of February, and they have done so yesterday with an official announcement at Mobile World Congress 2012, in Barcelona, Spain. During the event, they showcased ARM tablets based on Nvidia Tegra 3, Qualcomm Snapdragon S4 and Texas Instruments OMAP 4/5, as well as tablets, ultrabooks, laptops and touch PCs based on Intel meldfield and clove trail. All those devices are reference platform for developers and not actual products although Microsoft expect manufacturers to use those reference designs to build their products. The Touch PC used a an interesting screen which could be positioned vertically (like a normal screen). horizontally (like a surface PC) and at an angle for use cases such as an architecture reading a plan or an artist drawing a painting. They also showcased a very large touchscreen that could be used by […]

February 21, 2012February 21, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

Atollic TrueSTUDIO for ARM 3.0 To Be Released at Embedded World 2012

Atollic has just announced that Atollic TrueSTUDIO for ARM 3.0 – a C/C++ development tool for embedded developers – will be released on the 28th of February 2012, at Embedded World 2012, Nuremberg, Germany. Atollic TrueSTUDIO v3.0 will bring the following improvements: Redesigned user interface that is more intuitive to C/C++ developers New support for NXP LPC1000 Cortex-M0 and Cortex-M3 devices New support for Infineon XMC4000 Cortex-M4 devices New support for Energy Micro EFM32 (Cortex-M3) Upgraded support for STMicroelectronics STM32 devices Improved real-time interrupt tracing with ARM Serial Wire Viewer (SWV) interface. Execution time profiling now present information using bar charts Upgraded ECLIPSE platform to the latest “Indigo” release (3.7.1) Major upgrade of the GNU command line tools Upgraded TrueINSPECTOR, TrueANALYZER and TrueVERIFIER add-on products Supports over 800 ARM devices Hundreds of minor improvements Since the product has not been released, that’s currently all information there is. Further information will certainly […]