Date: Wed, 16 Nov 2016 16:33:25 +0200 From: "Jukka A. Ukkonen" <jau789@gmail.com> To: Justin Hibbits <chmeeedalf@gmail.com> Cc: Mark Millard <markmi@dsl-only.net>, Nathan Whitehorn <nwhitehorn@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>, Peter Grehan <grehan@freebsd.org> Subject: Re: svn commit: r306065 - in head/sys vs. PowerMacs: Nathan's trail patch included but inappropriate? [My hack vs. Apple G4's.] Message-ID: <deb92058-502d-dd05-a7f5-9480914200c9@gmail.com> In-Reply-To: <CAHSQbTCijFV87PpRxOpZuLvvrGcwjzK4HspMaERV7Eyxkrf05w@mail.gmail.com> References: <C48933C3-DB22-4D94-B22D-B51822197E4E@dsl-only.net> <917EFF5A-D054-4424-9D7D-4E4BEF6072EF@gmail.com> <4bb1046a-225d-66b2-7b00-067f0d6f6c60@gmail.com> <465041D5-C1A2-48F4-9CA7-DD03B094FAE4@dsl-only.net> <01cfa4e9-954f-3e86-c8d7-36ec8523dde0@freebsd.org> <B28E3336-2F85-4395-8DDF-CF09CA9D41E1@dsl-only.net> <5C253E59-265B-4F5F-A4C5-E4FB7EEBF084@gmail.com> <CAHSQbTCijFV87PpRxOpZuLvvrGcwjzK4HspMaERV7Eyxkrf05w@mail.gmail.com>
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On 11/15/16 18:47, Justin Hibbits wrote: > Can you point me to documentation that states sprg0 must point to > separate buffer areas? IIRC, when we make OF calls, at least on Apple > hardware, we suspend all other CPUs, so they shouldn't be doing > anything in OF. I sent a copy directly to Justin, but I do not wish to send a 722 page PDF file to everybody on the mailing list. If you wish to get a copy by e-mail, please, request for one in a separate personal e-mail, not on the mailing list. I guess the document should be available also on the IBM web site. The title of the document is... IBM PowerPC Microprocessor Family: The Programming Environment Manual for 32 and 64-bit Microprocessors Version 2.3 March 31, 2005 The detail about sprg0 is on page 75/722 in a table at the bottom of the page. --jau
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