{"action":"created","issue":{"url":"https://api.github.com/repos/open-power/skiboot/issues/13","labels_url":"https://api.github.com/repos/open-power/skiboot/issues/13/labels{/name}","comments_url":"https://api.github.com/repos/open-power/skiboot/issues/13/comments","events_url":"https://api.github.com/repos/open-power/skiboot/issues/13/events","html_url":"https://github.com/open-power/skiboot/issues/13","id":75514321,"number":13,"title":"OPAL spec, constrains on OPAL calls","user":{"login":"andreiw","id":732523,"avatar_url":"https://avatars.githubusercontent.com/u/732523?v=3","gravatar_id":"","url":"https://api.github.com/users/andreiw","html_url":"https://github.com/andreiw","followers_url":"https://api.github.com/users/andreiw/followers","following_url":"https://api.github.com/users/andreiw/following{/other_user}","gists_url":"https://api.github.com/users/andreiw/gists{/gist_id}","starred_url":"https://api.github.com/users/andreiw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/andreiw/subscriptions","organizations_url":"https://api.github.com/users/andreiw/orgs","repos_url":"https://api.github.com/users/andreiw/repos","events_url":"https://api.github.com/users/andreiw/events{/privacy}","received_events_url":"https://api.github.com/users/andreiw/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-05-12T08:20:45Z","updated_at":"2015-05-12T22:45:54Z","closed_at":null,"body":"opal-spec.txt should probably describe the expected machine state across an OPAL call a bit better, in that (from reading Linux kernel code and skiboot):\r\n- r1 is preserved, r12 is scratch, r13-r31 preserved\r\n- 64-bit HV real mode\r\n- big-endian (this is already mentioned)\r\n- external interrupts disabled\r\n"},"comment":{"url":"https://api.github.com/repos/open-power/skiboot/issues/comments/101448075","html_url":"https://github.com/open-power/skiboot/issues/13#issuecomment-101448075","issue_url":"https://api.github.com/repos/open-power/skiboot/issues/13","id":101448075,"user":{"login":"ozbenh","id":680946,"avatar_url":"https://avatars.githubusercontent.com/u/680946?v=3","gravatar_id":"","url":"https://api.github.com/users/ozbenh","html_url":"https://github.com/ozbenh","followers_url":"https://api.github.com/users/ozbenh/followers","following_url":"https://api.github.com/users/ozbenh/following{/other_user}","gists_url":"https://api.github.com/users/ozbenh/gists{/gist_id}","starred_url":"https://api.github.com/users/ozbenh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ozbenh/subscriptions","organizations_url":"https://api.github.com/users/ozbenh/orgs","repos_url":"https://api.github.com/users/ozbenh/repos","events_url":"https://api.github.com/users/ozbenh/events{/privacy}","received_events_url":"https://api.github.com/users/ozbenh/received_events","type":"User","site_admin":false},"created_at":"2015-05-12T22:45:54Z","updated_at":"2015-05-12T22:45:54Z","body":"On Tue, 2015-05-12 at 01:20 -0700, Andrei Warkentin wrote:\n> opal-spec.txt should probably describe the expected machine state\n> across an OPAL call a bit better, in that (from reading Linux kernel\n> code and skiboot):\n> \n>       * r1 is preserved, r12 is scratch, r13-r31 preserved\n>       * 64-bit HV real mode\n>       * big-endian (this is already mentioned)\n>       * external interrupts disabled\n\nGood point.\n\nBen.\n\n> —\n> Reply to this email directly or view it on GitHub.\n> \n> \n\n\n"}}