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Topic: UClinux



  
 uClinux - Setting up the Development Environment
The other important part of uClinux is a small footprint, which is essential for microcontrollers with little resources and it's BFLT (Binary Flat) Executable Format.
Linux-2.0.38.tar.gz is the original kernel you would use on your desktop computer.
A uClinux patch is applied to bring the kernel up to a level where it can be used on your microcontroller.
http://www.beyondlogic.org/uClinux/uClinux.htm   (2763 words)

  
 LittleGhost
Because uClinux cannot implement the functionality of brk and sbrk, it instead implements a global memory pool that basically is the kernel's free memory pool.
Unless the uClinux mmap can point directly to the file within the filesystem, thereby guaranteeing that it is sequential and contiguous, it must allocate memory and copy the data into the allocated memory.
uClinux is a version of Linux for CPUs without virtual memory or an MMU (Memory Management Unit) and is typically targeted at deeply embedded systems with very little memory or permanent storage.
http://littleghost.blogchina.com   (8074 words)

  
 TWiki . Linux-c2500 . CrossCompiled
uClinux is a port of linux to systems lacking a memory management unit (mmu).
All addresses are computed as an offset to a base register (a5), which is passed to the user program by the kernel.
The native executable format of uClinux is a 'flat binary'.
http://www.mcvax.org/~koen/uClinux-cisco2500/exotica.html   (2805 words)

  
 Peeking under the hood of SnapGear's uClinux-powered VPN appliances
The router code is based on the uClinux project code, so you can add or subtract features at will.
Perhaps the most obvious network-oriented devices for which uClinux is appropriate are firewall/routers, which need all the latest protocols and capabilities, but are in a highly competitive environment in which cost is paramount.
Porting typical applications to uClinux is reportedly usually straightforward -- this might be expected, in light of the effort made by the project to integrate uClinux with Linux itself (an effort that has succeeded, as Linus has begun to merge the uClinux patch into the development kernel).
http://www.linuxdevices.com/articles/AT3682158384.html   (1614 words)

  
 uClinux -- Embedded Linux/Microcontroller -- uClinux: Ports!
The uClinux port to Microblaze was done by Dr John Williams in the Embedded Systems group at the University of Queensland in Brisbane, Australia, and is part of their reconfigurable computing research program.
The patch allowing uClinux to run on the Cisco 2500/3000/4000 routers was completed by Koen De Vleeschauwer.
uClinux has successfully been ported to the Cisco 2500, 3000, 4000 routers.
http://www.uclinux.org/ports   (853 words)

  
 Minix, uClinux and Linux on the ISICAD Prisma
I heard about uClinux sometime in 1998 and although it had some attractions, NFS being a major one, I was making good progress with Minix at the time so I didn't have a good reason to switch.
uClinux is a port of Linux 2.0 to systems without a Memory Management Unit (MMU).
The Prisma 40 uses a separate I/O processor for all its serial ports so not only did I have to work out the memory map and interrupt handling for the 68040, I also had to try and reverse engineer the shared memory protocol used to communicate with the I/O processor.
http://ds.dial.pipex.com/town/way/fr30   (1105 words)

  
 Embedded.com - How uClinux provides MMU-less processors with an alternative
UClinux is a variant of mainstream Linux that runs on 'MMU-less' processor architectures.
Since virtual memory is not used in uClinux, swapping pages in and out of memory is not implemented, since it cannot be guaranteed that the pages would be loaded to the same location in RAM.
The lack of memory management hardware on uClinux target processors has meant that some changes needed to be made to the Linux system interface.
http://www.embedded.com/europestory/OEG20020212S0014   (2665 words)

  
 uClinux™ -- Embedded Linux Microcontroller Project -- Home Page
The uClinux port to Microblaze was done by Dr John Williams in the Embedded Systems group at the University of Queensland in Brisbane, Australia, as part of the Universities reconfigurable computing research program.
This robotics project uses uClinux and the Arcturus uCsimm module.
The NETtel family of routers uses uClinux as its base operating system.
http://www.uclinux.org   (1730 words)

  
 Microblaze uClinux FAQ
uClinux is a port of regular Linux to microprocessors that lack a memory management unit (MMU).
The current distribution release is Linux kernel version 2.4.20, and there is active work on the 2.5/2.6 development tree as well.
For most user applications the only implication is that the fork() system call is unavailable, and vfork() must be used instead.
http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux/Documentation/FAQ.html   (1255 words)

  
 NewsForge uClinux and Linux set to merge
This new capability is due in part to the contributions of uClinux developers world-wide, including a number of engineers working at SnapGear Inc. Previously Linux generally required an MMU (Memory Management Unit) to operate.
Not a separate fork but rather a "shadowing" of the mainstream Linux kernel, uClinux is the world's favorite embedded Linux choice for system architectures lacking a MMU (Memory Management Unit) such as DSP (Digital Signal Processor) and SoC (System On Chip) embedded systems.
uClinux, or "Micro-Controller Linux", is the popular variant of mainstream Linux specifically for MMU-less processors and deeply embedded systems, adopted by open source companies such as Red Hat and Lineo, and as well as many Internet appliance manufacturers.
http://www.newsforge.com/newsvac/02/11/19/1424254.shtml   (530 words)

  
 uClinux as an Embedded OS on a DSP Linux Journal
Most of the software available for Linux or UNIX can be compiled directly on uClinux.
This means that while Linux or uClinux cannot guarantee certain interrupt or scheduler latency, compared to other operating systems of similar complexity, they show favorable performance characteristics.
Because Linux originally was developed for server and desktop usage, it does not have the hard real-time capabilities that most other operating systems of comparable complexity and size have.
http://www.linuxjournal.com/article.php?sid=7814   (2957 words)

  
 Platforms
Major change from version 6.10b is an update to use the full 32MB of DDR memory on the Insight boards, with appropriate changes to the instruction and data cache structures.
Fully documented and examples of uClinux commands and how to build the system from scratch (see the included.pdf).
Supports the Insight/Memec V2MB1000 Virtex2 evaluation board, revisions 1 and 3 (some changes in /etc/download.cmd and download_prom.cmd required for revision 3).
http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux/Downloads/platforms.html   (887 words)

  
 uClinux for the DragonEngine II
The DragonEngine board is a single board computer with a 68VZ328 processor, 8 to 32 MB of SDRAM, 2 or 4 MB of flash, a CS8900 Ethernet chip and a 50k gates FPGA.
uClinux distribution page and download the full source distribution and the latest m68k-elf toolchain.
This snapshot add support of the new kernel 2.6.x, it is booting on the DragonEngine but there is still issues to be solved with regard to scheduling.
http://www.menie.org/georges/DragonEngine   (1030 words)

  
 a/lineo-uclinux
It was made popular by its ability to run on processors without memory management hardware and with a typical kernel footprint of only 512k bytes or less.
A popular open source technology, uClinux is used in numerous devices such as: Axis Network Camera, Lineo NETtel VPN router, Aplio Internet phone, Adomo set top appliance, Crossport Pivio Secure Broadband and NetSilicon 's NET+Lx development platform.
The company's key product lines include: Embedix (embedded Linux system software), uClinux (embedded Linux for MMU-less processors), NETtel (Linux-based Internet appliances for secure networking) and High Availability Cluster (mission critical Linux cluster solutions).
http://lwn.net/2001/0111/a/lineo-uclinux.php3   (374 words)

  
 Cadenux ARM Board Support Package
For information on uClinux which is a derivative of the Linux 2.0 kernel intended for micro controllers without Memory Management Units (MMUs), go to:http://www.uclinux.org.
The static RAM is not used by Linux or uClinux.
All Linux kernels require that the processor support an MMU; uClinux is a special version of Linux for processors that do not support an MMU.
http://www.ridgerun.com/bsp/CadenuxArmUsersGuide.html   (8640 words)

  
 CompUSA Router
(back of board under 4510B) This does not appear to be a problem for the uClinux ROM software but I noticed it with another program.
This may interfear with some non-router software that may not happen to set the pin in the right level thus causing a reset loop.
The router can use the SNDS100 build of uClinux, as-is! The ethenet also works fine on all ports.
http://pages.sbcglobal.net/greghol/routers/compusa_router.html   (719 words)

  
 LEOX.org - Free Hardware and Software Resources for System on Chip
This code package also includes the latest uClinux kernel snapshots from the CVS archive at cvs.uclinux.org.
uClinux is a version of Linux designed to run on microprocessors without Memory Management Unit (MMU).
Insight is a graphical user interface to GDB, the GNU Debugger, written in Tcl/Tk by people working at Red Hat, Inc. and Cygnus Solutions.
http://www.leox.org/resources/sw.html   (1458 words)

  
 uClinux on SOHO routers - Homepage Johann Hanne
The long-term goal of this project was to run uClinux (which is a Linux version suited for small, embedded devices) on some common SOHO router (also called broadband/DSL router).
Looks like the manufacturers have finally recognized that there simply is no better solution than putting Linux on their hardware.
So I've started collecting all information I can can about available hardware first.
http://www.bettina-attack.de/jonny/view.php/hardware/soho_routers   (452 words)

  
 welcome to MPC Data uClinux support site
The aim of this site is to provide a documented and working uClinux distribution to save you time in evaluating embedded Linux on a Renesas development board.
This site is dedicated to providing support for uClinux running on H8S-based processors and development boards from Renesas Technology Europe.
Getting started with embedded Linux can either involve purchasing an expensive commercial board support package or spending a lot of time piecing together your own components to form your own embedded Linux distribution and board support package.
http://www.shlinux.com/uclinux   (196 words)

  
 Getting Familiar with uClinux/ARM 2
There could be many reasons to consider the uClinux for your embedded OS.
Note that the kernel version in the distribution may not be the latest.
If you're planning to migrate your firmware codes to Linux, but you're not familiar with Linux system programming, uClinux could be a good starting point.
http://opensrc.sec.samsung.com/Getting_Familiar_with_uClinuxARM2_6.html   (1796 words)

  
 Blackfin:Welcome
This web site is designed to be the central repository and open source workspace for non-commercial software and hardware projects targetted for use with Analog Devices' family of Blackfin processors.
In addition to a wide range of applications, this workspace also focuses on supporting open source hardware and software tools for the Blackfin processor, and supports Open Source hardware and software tools, including the GNU GCC toolchain and the uClinux kernel.
There are 7 main projects run on this site.
http://blackfin.uclinux.org   (211 words)

  
 The uClinux CVS Repository
This site, cvs.uclinux.org, is the development archive for the development, enhancement, and maintainence of uClinux.
uClinux and customer embedded Linux training course are available as well.
Arcturus Networks has engineering resources available to assist you in adapting uClinux to your purposes.
http://cvs.uclinux.org   (104 words)

  
 My uClinux on Sony Clie project
The new uClinux Clie support patch file that fixes bugs I mentioned earlier
Download the full source uClinux distribution from this page.
`which gcc` should return your regular host gcc, `which genromfs` should return the binary supplied by the uClinux tools.
http://home.earthlink.net/~solovam/linux-on-clie/linux-on-clie.html   (1066 words)

  
 Beyond Logic
Part two of this series looks at building the uClinux Kernel, generating the ROM filesystem, configuring your uClinux target, setting up NFS mounts, creating a new RAM filesystem and using a root NFS filesystem on your uClinux Target.
uClinux uses a Binary Flat format commonly known as bFLT.
uClinux - Part 1 : Setting up the Development Environment (2.0.38)
http://www.beyondlogic.org   (2455 words)

  
 Linux 2.6 for MMU-less ARM Project
Hyok S. Choi writes "a paper[pdf], 'Context Switching and IPC Performance Comparison between uClinux and Linux on the ARM9 based Processor' which focuses on the IPC and context switching overhead is linked in the document section.
a benchmark paper comparison between uClinux and Linux is linked.
newer benchmark result among uClinux vs. Linux vs. MVista Linux is linked.
http://opensrc.sec.samsung.com   (1078 words)

  
 H8S-uClinux Project Site
The Hitachi H8S microprocessor has numerous advanced features and capabilities that make it an ideal candidate for highly integrated, embedded Linux systems.
Once we have the directory structure finalized and commit changes, developers will be notified via the SF mailing lists.
A brand new hardware development platform design especially for uClinux is
http://www.azpower.com/H8-uClinux   (496 words)

  
 [uClinux-dev] BDM debugging of user applications
static int cf_pe_invalidate_cache (struct BDM *self) return 0; } ---------------------------- (2) Here are the relevant excerpts from the thread: Turn on the RAM flag with -r > The latest m68k-elf tools for uClinux have a tool called flthdr > (m68k-elf-flthdr) which allow you to set the "RAM" flag on a PIC binary.
http://mailman.uclinux.org/pipermail/uclinux-dev/2002-July/009667.html   (646 words)

  
 Microblaze uClinux Project Home Page
uClinux reference design for NuHorizons Spartan3 evaluation board.
Check out David McCullough's uCdot site for Embedded Linux news, views and info.
Updated uClinux reference design for Digilent XUPV2P board.
http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux   (299 words)

  
 Analog Devices : Embedded Processing & DSP : Communities : uClinux Blackfin User's Community
Visit the uClinux Blackfin Users Community at http://www.blackfin.uclinux.org for the most current open source hardware and software information for the Blackfin Processor.
Note: The link listed above will leave the Analog Devices site.
Analog Devices : Embedded Processing & DSP : Communities : uClinux Blackfin User's Community
http://www.analog.com/processors/communities/bflinux.html   (293 words)

  
 uCdot: Embedded Linux/uClinux FAQ
The Embedded Linux and uClinux Developer Forum is hosted by: SnapGear
Using gdb/bdm for hardware testing a 5272 board
Will uClinux work on a system with an MMU
http://www.ucdot.org/faq.pl   (170 words)

  
 Blackfin:uclinux-on-the-blackfin-processor----3-day-workshop
The course is designed to be a complete introduction to all aspects of programming with uClinux based on the Blackfin STAMP board.
Designers looking to use open source uClinux programming on Blackfin Processors.
Phil Wilshire from System Design and Consulting Services is presenting a 3-day workshop on uClinux for the Blackfin processor.
http://blackfin.uclinux.org/forum/forum.php?forum_id=82   (105 words)

  
 Linux Port to the Game Boy Advance
I have no idea what's causing that, but at least the system is stable now (memory allocation failure is handled correctly).
Greg has just informed me that the current uClinux "Full Source Distribution" (
I have made a screenshot of the uClinux output.
http://wwwhsse.fh-hagenberg.at/Studierende/hse02006/uclgba   (609 words)

  
 UClinux - Wikipedia, the free encyclopedia
Since version 2.6 of the Linux kernel, the major parts of uClinux have been integrated with the mainline kernel, but the project continues to develop patches and supporting tools for using Linux on microcontrollers.
uClinux (which stands for MicroControllerLinux and is pronounced as you-see-Linux) is a Linux distro operating system for microcontrollers (µCs, embedded systems) without a memory management unit (MMU).
It is derived from version 2.0 (1996) of the Linux kernel.
http://en.wikipedia.org/wiki/UClinux   (118 words)

  
 View Seul/Edu Application Index
Students can run some Embedded Operation System such as ARM Linux, uClinux, uc/OS-II (ucos-ii) or TCP/IP (lwIP) etc in SkyEye and analyze or debug them at source level.SyEye Project provides an effective means for students who want to study and develop under Embedded Operating Systems while they have no corresponding hardware.
Stagecast Software provides tools that enable the creation, play and modification of interactive and engaging simulations, models, games, stories, and lessons, collectively called "sims".
SkyEye project simulates typical Embedded Computer Systems (Now it supports Atmel AT91 board based on ARM7TDMI CPU and Clps7110 board based on ARM720T CPU).
http://richtech.ca/cgi-bin/seul/seulview.pl?category=Courseware   (4446 words)

  
 main [Blackfin uClinux Docs]
This manual is not a replacement for the Blackfin Hardware Reference, the Blackfin Instruction Set Reference, or any other related documentation; rather this documentation gives an overview of the components essential to working with uClinux for Blackfin devices.
If you have questions, have a bug report, or want to look at source code, goto the main web site.
This manual attempts to provide a quick and easy guide to help users get started in the Blackfin/uClinux open source community.
http://docs.blackfin.uclinux.org   (163 words)

  
 embedded.startpagina.be - Communication protocols, Operating Systems, Software development, Java, Research projects, ...
This site shows how a complete embedded real time system can be created from a Windows host using quality open source development tools (where available).
Linux for Blackfin Website for uClinux Blackfin processor projects
http://embedded.startpagina.be   (2385 words)

  
 TechOnLine - uClinux on the Blackfin Processor
STAMP uClinux Kernel Board Support Package for Analog Devices ADSP-BF533 Blackfin Processor
The presentation will begin with a discussion of the key components required for Embedded Linux Software Development:
During the webcast we will discuss basic uClinux hardware needs and the process of designing high performance products while keeping costs low.
http://www.techonline.com/community/ad_click/analog_093004   (437 words)

  
 Problems with building 2.6 from toolchain. - DSLinux.org
I tried that toolchain with the uClinux distribution and the latest dslinux source from cvs on an x86 Linux box and got
I've never seen this error with any toolchain.
The full distribution source of uClinux has been down since yesterday.
http://dslinux.org/?showtopic=417   (1387 words)

  
 Linux Applications
How to Develop Accessible Linux Applications (Linux Documentation Project)- This document provides Linux software developers with guidelines and test cases for developing accessible Linux applications.
Tutorial: Installing Linux on your PalmOS Device, Part II (AnywhereYouGo.com)- In the last part of our tutorial, we discussed installing the uClinux distribution on a Handspring Visor.
This week, we will take a look at a distro specifically designed for the VTech Helio handheld device.
http://linux.ittoolbox.com/nav/t.asp?t=333&p=333&h1=333   (2352 words)

  
 TechOnLine - STAMP uClinux Kernel Board Support Package for Analog Devices ADSP-BF533 Blackfin Processor
VirtuaLab Technology allows instant, easy access to Hardware and Software using a standard web browser for evaluation, demonstration and training.
TechOnLine - STAMP uClinux Kernel Board Support Package for Analog Devices ADSP-BF533 Blackfin Processor
Access on chip features such as a PLL, UART, watchdog timer, and more
http://www.techonline.com/community/related_content/37200   (125 words)

  
 developerWorks : Linux : New to Linux on Power Architecture
Specialized Linux distributions for embedded programming include LynuxWorks, MontaVista, TimeSys, and uClinux.
For embedded systems development, the Linux for PowerPC Embedded Systems HOWTO contains general, toolset, optimization, troubleshooting, and other information.
Applications for the embedded space can be found in the Linux for PowerPC Embedded Systems HOWTO Applications section.
http://www-128.ibm.com/developerworks/linux/power/newto/index.html   (4592 words)

  
 ISS X-Force Database: uclinux-apliophone-bin-execute(5333): Aplio IP phone could allow a remote attacker to execute ...
uClinux is a version of Linux designed for systems without Memory Management Units (MMUs).
Aplio Internet Phone version 2.0.33, an Internet IP phone that runs on the uClinux platform, could allow a remote attacker to execute commands on the device.
An attacker can send a specially-crafted URL to the device and execute commands in /bin/sh.
http://xforce.iss.net/xforce/xfdb/5333   (295 words)

  
 www.uclinux.net - Home
There will be no information regarding Blackfin projects like uClinux, u-boot and JTAG tools anymore on this website.
Mambo is Free Software released under the GNU/GPL License.
A new ARC A4 RISC core uClinux distribution based on uClinux-2.4.29 is available now at Codito.
http://www.uclinux.net   (103 words)

  
 uClinux (Reasonability)
Many uClinux-based projects use boa together with a CGI program to present users with a web-based configuration interface.
Boa is a small, single-tasking web server that is well-suited to the uClinux environment.
An older version of boa is included in the uClinux-dist tree in user/boa, but we found that we got segmentation faults when running it on our systems (we compiled against uClibc).
http://www.reasonability.net/uClinux   (280 words)

  
 uClinux Documentation Project: Table of Contents
Q: I could successfully run uClinux with the romdisk image I got from Vladimir's site.
Q: Is it possible to connect an LCD/touchscreen to M68EZ328ADS.
Q: How can i download my compiled and excutable user program from PC?
http://uldp.home.at   (178 words)

  
 BOA + PHP for uClinux
Download this tar file and unpack it into your docroot directory on the board fle system, then call
The uClinux distribution needed is 20040218 (because of uClibc 0.9.26).
modify the uClinux dir, add the new source file to be compiled in the makefile, edit the
http://www.menie.org/georges/uClinux/boa-php.html   (394 words)

  
 GCC 3.x toolchain for uClinux
Common files: build-uclinux-tools.sh [NEW] binutils-2.15.90.0.1.1.tar.bz2 [ftp://ftp.kernel.org] uClibc-0.9.26.tar.bz2 [http://www.uclibc.org] uClibc-0.9.26-m68k.config uClibc-0.9.26-exec_alloc.patch uClibc-0.9.26-ptrace-lvalue.patch [NEW] uClibc-0.9.26-syscalls-inline.patch [NEW] gdb-6.1.tar.bz2 [ftp://gcc.gnu.org] [NEW] m68k-bdm-1.3.0.tar.bz2 [NEW] elf2flt-20040336.tar.bz2 genromfs-0.5.1.tar.gz genromfs-0.5.1-cygwin-020605.patch uClinux source distribution (required to build uClibc): http://www.uclinux.org/pub/uClinux/dist/ For GCC 3.4.0: gcc-core-3.4.0.tar.bz2 [ftp://gcc.gnu.org] gcc-g++-3.4.0.tar.bz2 [ftp://gcc.gnu.org] gcc-3.4-addsi3_5200.patch [NEW] gcc-3.4-coldfire-2regoffset.patch [NEW] gcc-3.4-output_mi_thunk.patch [NEW] gcc-3.4.0-arm-deflibspec.patch [NEW] gcc-3.4.0-arm-multilib.patch [NEW]
Update m68k-bdm to 1.3.0 and use GDB patches distributed with it.
This is a cross-compiler toolchain for uClinux targetting ColdFire and ARM processors.
http://www.develer.com/uclinux/uclinux-tools.html   (250 words)

  
 Embedded Linux and uClinux Developer Forum
The Embedded Linux and uClinux Developer Forum is hosted by: SnapGear
The first time I compiled the uClinux I got it to work as expected.
uClinux STB plays HD movies from Microsoft Media Server
http://www.ucdot.org   (1120 words)

  
 Palm Linux Environment
Kiwi - homemade uClinux PDA - hardware and software
After a while you should be able to type ls and cd and navigate the small filesystem.
When you boot you should see the uClinux logo and kernel messages going across the serial port into your terminal program.
http://palm-linux.sourceforge.net   (1375 words)

  
 How to uClinux, 68360, embeded VME
Specially "rc" file has information for the network and showing you how to NFS mount your local disk.
Login with any user name with password "uClinux".
look at "Getting started with uClinux" of uClinux WEB and do the following.
http://www.physics.ohio-state.edu/~clkim/uclinux/uclinux.html   (955 words)

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