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Original author(s) OpenBIOS Project
Stable release
1.1 / May 4, 2013; 5 years ago (2013-05-04)
Platform PowerPC, SPARC
Type Firmware
License GNU General Public License v2

OpenBIOS is a project aiming to provide free and open source implementations of Open Firmware. It is also the name of such an implementation.

Most of the implementations provided by OpenBIOS rely on additional lower-level firmware for hardware initialization, such as coreboot or Das U-Boot.

Provided implementations[edit]

Open Firmware[edit]

Open Firmware
Developer(s) Firmworks
Initial release 2006 (2006)
Platform x86, PowerPC, ARM
License BSD like

Open Firmware implements the IEEE 1275-1994 standard.[1] Open Firmware was released by the company Firmworks.[2] The principal architect of Open Firmware, Mitch Bradley,[2] is chairman of the Open Firmware Working Group[3] and president and founder of Firmworks.[1] The OLPC XO-1 laptop uses the Open Firmware implementation.[2] It supports the x86, PowerPC, ARM architectures, and is released under the terms of a BSD style license.[2]


Developer(s) CodeGen, Inc.
Written in ANSI C
Platform x86, PowerPC, SPARC, ARM, MIPS

SmartFirmware includes a C to FCode compiler. It is made by CodeGen, Inc. It is written in ANSI C and supports the x86, PowerPC, SPARC, ARM, MIPS architectures.


Original author(s) Sun Microsystems
Platform SPARC

OpenBOOT was released by Sun Microsystems. It supports the sun4v architecture.


OpenBIOS is portable and licensed under the GPL. It is produced by the OpenBIOS project.


Developer(s) IBM
Stable release
1.7.0-4 / December 1, 2008; 9 years ago (2008-12-01)
Platform PowerPC
License Revised BSD license

Slimline Open Firmware is produced by IBM, and is released under a BSD style license. It supports the PowerPC architecture.

See also[edit]


  1. ^ a b "What is FirmWorks?". FirmWorks. 9 February 2001. 
  2. ^ a b c d "Open Firmware". OpenBIOS. 18 March 2011. 
  3. ^ "Open Firmware Working Group". IEEE 1275 Open Firmware Home Page. 10 May 2005. Archived from the original on 10 June 2011. 

External links[edit]