rootfs

Posted on by Jean-Luc Aufranc (CNXSoft) - 52 Comments on Raspberry Pi Emulator in Ubuntu with Qemu

Raspberry Pi Emulator in Ubuntu with Qemu

The Raspberry Pi board is a low cost board based on Broadcom BCM2835 media processor SoC with an ARM1176JZF-S core clocked at 700MHz. This board is currently under development and should be ready by end of November, beginning of December and will be sold for 25 USD (128MB RAM – no Ethernet) and 35 USD (256MB RAM – Ethernet). While we are waiting for the board, we can still test software using qemu to emulate a board based on an ARM1176 core with 128MB or 256 MB memory. I’ve tried to create a rootfs based on Ubuntu with rootstock but this only support processors with ARM cortex A8 and greater, so it would not work with ARM11. I’ll be using Debian Squeeze instead. Prerequisites My host computer is running Ubuntu 10.04.3 LTS, but any recent Ubuntu or Debian installation should work with these instructions. [Update: You won’t be able to […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on Generate a Custom ARM Rootfs Easily with Rootstock

Generate a Custom ARM Rootfs Easily with Rootstock

You may need to generate your own rootfs for your ARM target board, but do not want to cross-compile all libraries manually. You can achieve this with rootstock, a utility that generates Ubuntu armel rootfs tarballs and/or qemu image, to be uncompressed onto a root device. First install roostock: sudo apt-get install rootstock Then generate a rootfs with the required libraries: sudo rootstock –fqdn beagleboard –login cnxsoft –password temppasswd \ –imagesize 3G –seed xfce4,gdm,pkg-config,python,perl,g++,bison,flex,\ gperf,libnss3-dev,libgtk2.0-dev,libnspr4-0d,libasound2-dev,libnspr4-dev,\ libgconf2-dev,libcairo2-dev,libdbus-1-dev,libstdc++6-4.5-dev,libexpat1-dev,\ libxslt1-dev,libxml2-dev,libbz2-dev  –dist natty Here are the details of the command line parameters: –fqdn: Hostname to be used for the target system –login: Login ID of the admin user created during setup –password: Password of the admin user created during setup –imagesize: Size of the target filesystem to be created (default 1GB) –seed: List of packages to install –dist: Specify Release to build (jaunty, karmic, lucid, maverick or natty) Alternatively you could also use an […]

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