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Revision as of 21:22, 11 March 2010

Not to be confused with Das Boot.
Das U-Boot
Developer(s)DENX Software Engineering
Stable release2009.11 / December 1, 2009; 15 years ago (2009-12-01)
Repository
Written inC
TypeBoot loader
LicenseGNU General Public License
Websitehttp://www.denx.de/U-Boot/

Das U-Boot (Universal Bootloader) is a boot loader for a number of different computer architectures, including PPC, ARM, AVR32, MIPS, x86, 68k, Nios, and MicroBlaze. Its name comes from the abbreviated form of Das Unterseeboot, German for "the submarine." It is free software released under the terms of the GNU General Public License. It can be built on an x86 PC for any supported architecture using a cross development GNU toolchain, for example crosstool, the Embedded Linux Development Kit (ELDK) or OSELAS.Toolchain.

The importance of Das U-Boot in embedded Linux systems is quite succinctly stated in the book Building Embedded Linux Systems, by Karim Yaghmour, whose text about U-Boot begins:

Though there are quite a few other bootloaders, "Das U-Boot," the universal bootloader, is arguably the richest, most flexible, and most actively developed open source bootloader available.

U-Boot originated in work done by Magnus Damm on a 8xx PowerPC bootloader called 8xxROM. When Wolfgang Denk moved the project to SourceForge.net, the project was renamed PPCBoot, because SF.net did not allow project names starting with digits. In November 2002 the project was renamed again, when support had been extended beyond booting on PowerPCs.

References

  1. Building Embedded Linux Systems by Karim Yaghmour, Chapter 9
  2. ^ PPCBoot Homepage: Authors
  3. U-Bootdoc: History

See also

External links

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