The ARM architecture is a 32 and 64-bit instruction set architecture (ISA), based on the reduced instruction-set computing (RISC) design. The 32-bit ARM architecture is the most widely used 32-bit ISA. The ARM architecture is often licensed to other third-party companies, to allow the development ...

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9 views

Does wpa_gui need wpa_supplicant to initialize first to work properly?

I am using Linux on a custom board based on the Freescale MCIMX6Q-SDB (armv71). I installed wpa_gui, a GUI for wpa_supplicant, on the custom board. I'd like to know if I have to initialize ...
0
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0answers
32 views

Compile brscan3 on Raspberry Pi (brother scanner)

I am trying to compile brscan3 (Brother software for scanner) from source file on my Raspberry Pi (arm architecture). I tried ./configure but I obtain this error: config.status: creating Makefile ...
-1
votes
1answer
41 views

How can I map 4GB of RAM memory to 4GB CPU address space [closed]

I'm confused with a situation where there is 4GB of CPU address space and I have 4GB of RAM memory. Now is it possible to map this whole 4GB of RAM memory to CPU address space and if so, then where ...
0
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0answers
22 views

Java processes are choking ArchLinux on Wandboard; disconnects from SSH and gibberish in the log files

I’m facing a strange problem on my Wandboard where I’m running ArchLinux as a distribution. I’m running Oracle’s ARM JDK version 1.7.0_60-b19 and Java processes are choking. I’m suddenly not able to ...
0
votes
1answer
81 views

locales broken on Beaglebone Black running Debian

So this all started when I wanted to install my custom daemon on my Beaglebone Black running Debian using update-rc.d mydaemon defaults 97 like I've done many times during it's development on my Mint ...
-4
votes
1answer
71 views

What is the difference between Intel (CISC) and ARM (RISC) architecture? [closed]

what is the basic difference between Intel (CISC) and ARM (RISC) architecture?
0
votes
1answer
24 views

how does processor come to know that IRQ or FIQ occur and how it changes to a specific interrupt request mode ?

Suppose processor is in user mode and IRQ occur then its changes to IRQ mode. But user mode does't have write access to control field of cpsr then how the mode is changed ? May be i am wrong, Please ...
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1answer
56 views

Shouldn't Android emulator be faster when running on Linux and ARM based PC?

I's a little bit counter intuitive to fully emulate ARM processor and whole operating system when already running inside Linux on ARM.
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0answers
58 views

Difference in performance between ARM and “traditional” CPU on Raspberry PI example

I'm not sure if my question fits here, but I will give it a try since it does not seem to fit any other StackExcnhange. New day ARM processors are slower (if you look at MHz - 500MHz in RPi case). ...
2
votes
1answer
131 views

Printer on a ARM Linux (CUPS) - general theories/questions

I have a theory and I kindly ask the skilled linux users to confirm/deny it (I am not a skileld one at all). Im running: Raspberry Pi model B+, Raspbian OS and CUPS 1.5.4 And I bought the SEWOO ...
0
votes
1answer
343 views

USB ethernet adapter connected and found in ifconfig, but not working

I've bought a USB ethernet adapter for my ARM-Board running debian to have a second interface. I compiled and loaded the driver/module and the device is being recognized: [ 5.285487] usb 2-1.3.1: ...
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0answers
117 views

GCC option : Unrecognized command line

I am trying to build my project with gcc compiler but I get this error: gcc: error: unrecognized command line option '-mthumb' Isn't -mthumb a default option for gcc? Why he couldn't recognize it?
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0answers
75 views

Xen on ARM Cortex A9

I see that there is a version of the Xen hypervisor for ARM CPUs. However, most ARM CPUs appear not to have virtualisation extensions (and are not otherwise efficiently virtualisable). Hence I looked ...
0
votes
0answers
20 views

crond regularly maxes out CPU

I'm running Arch Linux ARM and I've having a few issues with crond. I have a conky that displays the top 5 processes (in terms of CPU usage) and every few minutes, crond will appear at the top of the ...
0
votes
0answers
38 views

NFS works in PC but doesnt in ARM board

I have done nfs in pc but i could not do it in arm board. is there anything in addition that is required... I did not change any setting but the following error is displayed mount: ...
0
votes
0answers
56 views

what is the number of operations per cycle for the cortex a57 arm processor?

Im trying to figure out how many double precision operations per cylce a cortex A57 processor can achieve, according to this manual page, there can be upto three instructions per cycle delivered ...
3
votes
1answer
748 views

Debian ARM and Brother DCP195C with CUPS

I want to have acces to my DCP 195C printer (Brother) over LAN. For this purpose I have bought an raspberry pi and installed CUPS on it. CUPS runs fine and everything else is running smooth as well. ...
1
vote
0answers
96 views

Is there a way to use a “hardware fingerprint” to automatically mount an eCryptFS directory on boot?

I would like to have an eCryptfs directory "securely" automatically mounted on boot without logging in. My scenario is this: I have an embedded ArchLinux server (ARM-based) that uses a removable ...
0
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0answers
140 views

Installing cubox hardware specific drivers from android built

I've some issues with some linux builds on cubox-i4pro. I've tried to install: - debian - ubuntu - volumio (a debian oriented on music) and none of these distributions have support for the gpu, the ...
0
votes
1answer
252 views

Difference between “system-on-chip” and “CPU”

Very confused, in some websites, they have this line: iPhone 5s CPU: Apple A7 other websites saying that: iPhone 5s System-on-chip: Apple 7 CPU: 1.3 GHz 64bit dual core other sources saying ...
0
votes
1answer
823 views

Error compiling gcc on Raspberry Pi

So, after solving the problems I had before (previous question here), I'm having some other trouble compiling gcc 2.95.3 on my Raspberry. This is what I get with the make bootstrap command. ...
0
votes
0answers
130 views

How to use Timer broadcast on Multi-Processor system with linux 3.10?

Hardware: ARM Cortex-A9 * 2 Software: linux-3.10.0 The platform has 2 cores of arm cortex-a9. Item CONFIG_LOCAL_TIMERS is not set in linux menuconfig. I want to use only one hardware timer to supply ...
0
votes
1answer
40 views

Invalid macro expansion argument character

I am attempting to compile pooler-cpuminer and when running make I get this error: sha2-arm.S:190:invalid macro expansion argument character (+) Any help? I've looked and haven't found a solution ...
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votes
2answers
163 views

Is it possible to run an x64 binary on an ARM processor? [duplicate]

Suppose you have an ARM embedded device and a x64 based laptop. Both systems are running GNU/Linux. If you decide to copy the "ls" binary from the laptop to the embedded device and run it on the ...
0
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0answers
103 views

Yocto on kontron SMARC sAMX6i (ARM)

I am using a kontron board with Freescale i.MX6 and I would like to backup (ghost) the previous configuration before work on it. So I would like to create and load a "ram" system (i.e. like a Linux ...
1
vote
1answer
1k views

Installing NodeJS on A Low-Power ARM Device

I have an ARM device running Linux. It doesn't have any internet connection besides a direct intranet connection to a host computer with internet (I can get files from the network on to it). I would ...
1
vote
1answer
1k views

Poor sound using HDMI on cubieboard (cubian os)

I'm using a cubieboard with cubian desktop to play video through hdmi output. (cubian is based on Debian 7.0 wheezy armhf, more info here ) the video is fine and I can hear the sound in headphones. I ...
0
votes
1answer
42 views

how different will the design of x64 cpu from that of arm cpu [closed]

This question has bothered me for a while. I understand their difference in ISA, that x64 has more complicated instructions. However, I can't see the essential difference in their designs. I have ...
2
votes
3answers
443 views

No feedback after loading kernel on a IFC6410 single board computer

I am currently trying to get a Linux running on a IFC6410 single board computer. For that purpose I followed the instructions found in this guide here: ...
0
votes
0answers
140 views

Installing preinstalled Ubuntu 11 armel onto PandaBoard

I'm trying to install a preinstalled Ubuntu 11 armel into PandaBoard. I downloaded the raw image from: ...
0
votes
1answer
105 views

Basic HTTP authentication proxy?

I'd like to configure my smartphone to use the web filter Privoxy application I left running on a Linux appliance at home, as an easy way to simplify web pages and rid them of ads missed by ...
1
vote
1answer
2k views

Firefox on ARM debian

I am trying to get firefox compiled on my arm cubieboard (Installed with Cubieez, a Debian wheezy armhf distribution), using apt-src, and the ubuntu quantal main source repository. apt-src -bi ...
2
votes
1answer
1k views

Error using ubiattach

I have a small 'ARMv7 Processor rev 2 (v7l)' powered box running Ubuntu 10.04 LTS with kernel 2.6.37 The environment is a squashfs rootfs with a small RW config area: # df Filesystem 1K-blocks ...
0
votes
2answers
391 views

UEFI vs. ARM TrustZone

I understand UEFI has a Secure Boot feature that is now for all Win 8 (tablets, and smartphones). How does this fit in with AMR's TrustZone for example? Is UEFI like a firmware TPM that can sit as a ...
0
votes
2answers
296 views

Compile Jnetpcap library for ARM platform?

I am trying to execute a java project on arm platform. my code use jnetpcap library. but when i execute the program it shows me an error "/usr/lib/jnetpcap.so: cannot open shared object: no such file ...
0
votes
0answers
232 views

Create access point (uap0) on debian 7(arm) - not found?

I'm working with a fanless PC that has an ARM chipset, 2 eth plugs and a wifi card (among other things). If I install debian 6 on it all three network interfaces are available at boot time. Today I ...
3
votes
0answers
81 views

What happens in a ARM based system before the OS is loaded?

What happens in a ARM based system before the OS is loaded and do they have BIOS, drivers, MBR or a different approach instead of these?
0
votes
2answers
65 views

Is specific OS build needed for specific ARM based device?

In a ARM based system is it necessary for the OS build to be specifically tailored for the system it is intended to be installed to?
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votes
1answer
105 views

Is it possible to install OS and then drivers in ARM system like in Desktops? [closed]

Is it possible to download a standard OS disc image from a site and install the OS and then drivers for the system in an ARM based system like in Desktop/Laptop?
1
vote
0answers
182 views

USB Mouse and Keyboard not working in Linux 4 Tegra

I am a new person in Tegra Linux development. I have Tamontem NG Evaluation board with Tegra 3 Chip. I installed L4T sample file system from NVIDIA tegra Resources ...
0
votes
2answers
291 views

Given I have root on and Android system and can access the shell, am I still restricted in what programs I can run?

Obviously, Android runs applications in sandboxed mode for security reasons, but if I have root and shell access on an Android device, can I then treat it as a regular linux distro, and run any ...
8
votes
1answer
990 views

Compiling FFMPEG for ARM

I have a Linux ARM computer (BeagleBone Black). I am trying to do some camera streaming and need FFMPEG to do it. I have tried everything that I can think of (including following guides for compiling ...
0
votes
0answers
72 views

Is a sitara ARM powerful enough to decode and play mpeg4

I have the question: "Is a sitara ARM running embedded linux is powerful enough to decode and play mpeg4 format files (using vlc or other software)?" posed to me by the boss... but I am not really ...
5
votes
1answer
2k views

Is it possible for an x86 processor to match an ARM processor in terms of performance per watt?

From my personal experience with my tablet, and from the benchmarks and articles I've read, it always seems ARM processors, as seen in virtually all mobile devices, deliver incredible performance for ...
0
votes
2answers
314 views

Mono for WinRT Desktop?

Can mono runtime install on SurfaceRT? I want to user mono to create .net program run on it. Is there any windows arm version of mono?
0
votes
0answers
102 views

C++ Standard Libraries do no exist Qt open-source [closed]

I am cross compiling code using the Qt-everywhere-opensource-src-4.7.3 kit to be used on an ARM device. In Qt I have changed the PATH to include /home/user/gumstix/gumstix-oe/tmp/cross/bin/ and I have ...
1
vote
2answers
308 views

Unable to install debian on Lacie ss4000e Kernel Panic

I am trying to load Debian Linux on my Lacie ss4000e I have been trying to follow this tutorial http://d-i.alioth.debian.org/manual/en.armel/ch05s01.html#boot-firmware-ss4000e I have tried to load it ...
0
votes
1answer
225 views

installing arm-none-eabi-gcc on freebsd 9

I'm trying to follow this guide : https://wiki.freebsd.org/FreeBSD/arm/ArndaleBoard but as you can see here : http://www.montedivenere.it/images/freebsd-arm/freebsd-arndale.png I need to install ...
1
vote
1answer
806 views

How can I get my webcam working in kernel 3.9.4 built for ARM?

I'm trying to get my USB webcam (Logitech QuickCam Communicate STX) working on an Olimex SAM9-L9260 board (ARM). I have used Buildroot 2013.05 and have the system up and running. I want to take webcam ...
5
votes
1answer
152 views

segfaults while compiling VLC on low memory system

I'm trying to compile VLC from this GitHub repo on my Allwinner device (ARM Cortex-A8 NEON with armhf kernel and about 380 MB of RAM) using instructions provided here. I keep getting segfaults, so I ...