On: Unreal Engine 4 on OpenPOWER

[cm3]

OpenPOWER is really open, including the chip's firmware (https://github.com/open-power), and there's no embedded management chip as found in Intel or AMD CPUs.

[wmf → cm3]

People may be overselling this; all the current Power8 machines are servers that have BMCs.

[cm3 → wmf]

The BMC's firmware is also open: https://github.com/open-power/hostboot

Here's a blog post with some details: https://blog.jms.id.au/2015/07/openpower-firmware-stack/

[ajdlinux → cm3]

Hostboot (and skiboot) is loaded from the BMC, but it's not the BMC firmware - hostboot and skiboot run entirely on the host.

The BMC firmware we're currently working on at IBM (based off some work by Facebook) is at https://github.com/openbmc/openbmc.

[Disclosure: IBM Power Systems. Opinions my own.]

[wyldfire → wmf]

Parent posts are likely referring to on-CPU management features (on the IC itself), not on-board ones like BMCs.