OpenBIOS is a project aiming to provide

free Free may refer to: Concept * Freedom, having the ability to do something, without having to obey anyone/anything * Freethought, a position that beliefs should be formed only on the basis of logic, reason, and empiricism * Emancipate, to procur ...

and

open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized sof ...

implementations of

Open Firmware Open Firmware is a standard defining the interfaces of a computer firmware system, formerly endorsed by the Institute of Electrical and Electronics Engineers (IEEE). It originated at Sun Microsystems, where it was known as OpenBoot, and has bee ...

. It is also the name of such an implementation. Most of the implementations provided by OpenBIOS rely on additional lower-level

firmware In computing, firmware is a specific class of computer software that provides the low-level control for a device's specific hardware. Firmware, such as the BIOS of a personal computer, may contain basic functions of a device, and may provide h ...

for hardware initialization, such as

coreboot coreboot, formerly known as LinuxBIOS, is a software project aimed at replacing proprietary firmware (BIOS or UEFI) found in most computers with a lightweight firmware designed to perform only the minimum number of tasks necessary to load and r ...

Das U-Boot Das U-Boot (subtitled "the Universal Boot Loader" and often shortened to U-Boot; see ''History'' for more about the name) is an open-source, primary boot loader used in embedded devices to package the instructions to boot the device's operating ...

Provided implementations

Open Firmware

Open Firmware implements the IEEE 1275-1994 standard. Open Firmware was released by the compan
Firmworks
The principal architect of Open Firmware,

Mitch Bradley Mitch is a short form of the masculine given name Mitchell. It is also sometimes a nickname, usually for a person with the surname Mitchell. It may refer to: People * Mitch Altman (born 1956), hacker and inventor * Mitch Apau (born 1990), Dutch ...

, is chairman of the Open Firmware Working Group and president and founder of Firmworks. The

OLPC XO-1 The OLPC XO (formerly known as $100 Laptop, Children's Machine, 2B1) is a low cost laptop computer intended to be distributed to children in developing countries around the world, to provide them with access to knowledge, and opportunities to " ...

laptop uses the Open Firmware implementation. It supports the

x86 x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel based on the Intel 8086 microprocessor and its 8088 variant. The 8086 was introd ...

PowerPC PowerPC (with the backronym Performance Optimization With Enhanced RISC – Performance Computing, sometimes abbreviated as PPC) is a reduced instruction set computer (RISC) instruction set architecture (ISA) created by the 1991 Apple Inc., App ...

, and

ARM In human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm between the glenohumeral joint (shoulder joint) and the elbow joint. The distal part of the upper limb between the ...

architectures, and is released under the terms of a BSD style license.

SmartFirmware

SmartFirmware includes a C to

FCode Open Firmware is a standard defining the interfaces of a computer firmware system, formerly endorsed by the Institute of Electrical and Electronics Engineers (IEEE). It originated at Sun Microsystems, where it was known as OpenBoot, and has bee ...

compiler. It is made by CodeGen, Inc. It is written in

ANSI C ANSI C, ISO C, and Standard C are successive standards for the C programming language published by the American National Standards Institute (ANSI) and ISO/IEC JTC 1/SC 22/WG 14 of the International Organization for Standardization (ISO) and the ...

and supports the

SPARC SPARC (Scalable Processor Architecture) is a reduced instruction set computer (RISC) instruction set architecture originally developed by Sun Microsystems. Its design was strongly influenced by the experimental Berkeley RISC system developed ...

, MIPS architectures.

OpenBOOT

OpenBOOT was released by

Sun Microsystems Sun Microsystems, Inc. (Sun for short) was an American technology company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the ...

. It supports the sun4v architecture.

OpenBIOS

OpenBIOS is portable and licensed under the

GPL The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general us ...

. It is produced by the OpenBIOS project.

SLOF

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

architecture.

References

External links

*
SmartFirmware source code
{{Firmware and booting Free BIOS implementations Firmware Custom firmware Software related to embedded Linux