Date: Tue, 25 Aug 2015 18:17:29 -0700 From: Peter Grehan <grehan@freebsd.org> To: John-Mark Gurney <jmg@funkthat.com>, Justin Hibbits <jrh29@alumni.cwru.edu> Cc: "freebsd-arch@freebsd.org" <freebsd-arch@freebsd.org> Subject: Re: Devices with 36-bit paddr on 32-bit system Message-ID: <55DD13A9.9070005@freebsd.org> In-Reply-To: <20150826011434.GO33167@funkthat.com> References: <CAHSQbTDsvB32%2BLyzHJO78VwUwAfUTMOUQp13BMCUpapSMT0fbg@mail.gmail.com> <20150826011434.GO33167@funkthat.com>
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> I'd look at how i386's PAE does it, as this is exactly the same type > of issue that PAE has... i386 PAE doesn't have any h/w resources at addresses > 4GB, which is the problem Justin is seeing on his ppc platform. later, Peter.
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