OpenPOWER Firmware

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OpenPOWER Firmware is an open-source alternative to OpenFirmware and proprietary IBM firmware used on Power machines.[1] It is a general name for many separate pieces of software used to start an IBM POWER chip.[2]

Components

  • SBE code - loads Hostboot an a CPU core
  • Hostboot - loads Skiboot
  • Skiboot (implements OPAL) - loads Petitboot and loads OCC into the OCC core
  • Petitboot - loads the operating system
  • OCC - controls thermal regulation on certain IBM POWER chips (such as POWER9, POWER8)

References

  1. ↑ Kerr, Jeremy. OpenPOWER: building an open-source software stack from bare metal. LCA 2015
  2. ↑ Smith, Stewart. Adventures in OpenPOWER Firmware. LCA 2016

External Links

Retrieved from "https://wiki.raptorcs.com/w/index.php?title=OpenPOWER_Firmware&oldid=538"