https:\/\/members.openpowerfoundation.org\/document\/dl\/469<\/a><\/p>\nAs part of the OpenPower Foundation, we’re looking at ensuring this is up to date, documents KVM specific things as well as splitting out the bits that are common to OPAL and PAPR into their own documents.<\/p>\n","protected":false},"excerpt":{"rendered":"
PAPR is the Power Architecture Platform Reference document. It’s a short read at only 890 pages and defines the virtualised environment that guests run in on PowerKVM and PowerVM (i.e. what is referred to as ‘pseries’ platform in the Linux … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[570,8,615],"tags":[646,285,636,587,644,562,637,645],"class_list":["post-3997","post","type-post","status-publish","format-standard","hentry","category-ibm-work-et-al","category-linux-kernel","category-powerpc","tag-doc","tag-documentation","tag-opal","tag-openpower","tag-papr","tag-power","tag-powerpc","tag-specification"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5a6n8-12t","jetpack-related-posts":[{"id":3775,"url":"https:\/\/www.flamingspork.com\/blog\/2014\/07\/17\/openpower-firmware-up-on-github\/","url_meta":{"origin":3997,"position":0},"title":"OpenPower firmware up on github!","author":"Stewart Smith","date":"2014-07-17","format":false,"excerpt":"With the whole OpenPower thing, a lot of low level firmware is being open sourced, which is really exciting for the platform - the less proprietary code sitting in memory the better in my books. If you go to https:\/\/github.com\/open-power you'll see code for a bunch of the low level\u2026","rel":"","context":"In "code"","block_context":{"text":"code","link":"https:\/\/www.flamingspork.com\/blog\/category\/code\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3972,"url":"https:\/\/www.flamingspork.com\/blog\/2015\/06\/16\/opal-firmware-specification-conformance-and-documentation\/","url_meta":{"origin":3997,"position":1},"title":"OPAL firmware specification, conformance and documentation","author":"Stewart Smith","date":"2015-06-16","format":false,"excerpt":"Now that we have an increasing amount of things that run on top of OPAL: Linux hello_world (in skiboot tree) ppc64le_hello (as I wrote about yesterday) FreeBSD and that the OpenPower ecosystem is rapidly growing (especially around people building OpenPower machines), the need for more formal specification, conformance testing and\u2026","rel":"","context":"In "code"","block_context":{"text":"code","link":"https:\/\/www.flamingspork.com\/blog\/category\/code\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3910,"url":"https:\/\/www.flamingspork.com\/blog\/2014\/12\/03\/skibootopal-versioning\/","url_meta":{"origin":3997,"position":2},"title":"skiboot\/OPAL versioning","author":"Stewart Smith","date":"2014-12-03","format":false,"excerpt":"skiboot is boot and runtime firmware for OpenPower systems. There are other components that make up all the firmware you need, but if you're, say, a Linux kernel, you're going to be interacting with skiboot. I recently committed doc\/versioning.txt to skiboot to try and explain our current thoughts on versioning\u2026","rel":"","context":"In "IBM"","block_context":{"text":"IBM","link":"https:\/\/www.flamingspork.com\/blog\/category\/work-et-al\/ibm-work-et-al\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3965,"url":"https:\/\/www.flamingspork.com\/blog\/2015\/06\/12\/gcov-code-coverage-for-openpower-firmware\/","url_meta":{"origin":3997,"position":3},"title":"gcov code coverage for OpenPower firmware","author":"Stewart Smith","date":"2015-06-12","format":false,"excerpt":"For skiboot (which provides the OPAL boot and runtime firmware for OpenPower machines), I've been pretty interested at getting some automated code coverage data for booting on real hardware (as well as in a simulator). Why? Well, it's useful to see that various test suites are actually testing what you\u2026","rel":"","context":"In "code"","block_context":{"text":"code","link":"https:\/\/www.flamingspork.com\/blog\/category\/code\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3970,"url":"https:\/\/www.flamingspork.com\/blog\/2015\/06\/15\/freebsd-on-openpower\/","url_meta":{"origin":3997,"position":4},"title":"FreeBSD on OpenPower","author":"Stewart Smith","date":"2015-06-15","format":false,"excerpt":"There's been some work on porting FreeBSD over to run natively on top of OPAL, that is, on bare metal OpenPower machines (not just under KVM). 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