Date: Sat, 23 Jul 2005 08:53:40 +1000 From: Peter Grehan <grehan@freebsd.org> To: Ceri Davies <ceri@freebsd.org> Cc: freebsd-ppc@freebsd.org Subject: Re: refrence machine Message-ID: <42E178F4.1090308@freebsd.org> In-Reply-To: <20050722195441.GF9649@submonkey.net> References: <42CEF70A.2060605@freebsd.org> <20050712172040.GB46490@dragon.NUXI.org> <013401c58709$3172f500$1700a8c0@failure> <20050719145732.GA22045@dragon.NUXI.org> <20050720133521.GF34707@submonkey.net> <42DE5649.2010202@freebsd.org> <20050722195441.GF9649@submonkey.net>
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>> The G5 is a true 64-bit CPU with a 64-bit MMU. 32-bit user-mode code >>can run unchanged, but the kernel has to deal with the 64-bit MMU and >>various other bits and pieces that are painful to implement. > > So it's lack of code rather than anything more sinister? Good. I had > heard some complaints about a dodgy OpenFirmware implementation. That could still be possible ! The loader exercises OpenFirmware a bit and it seems to work OK. > I have a dual G5 PowerMac as of quite recently, and the > second-to-most-recent SNAP booted as far as probing for KDB backends > which was a pleasant surprise. ;) That's the loader working, but the kernel really doesn't get far before bombing out. later, Peter.
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