Date: Tue, 2 Aug 2005 14:21:17 -0400 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-alpha@freebsd.org Subject: Re: KZPCC-CE SCSI controller Message-ID: <200508021421.18451.jhb@FreeBSD.org> In-Reply-To: <20050802172322.GC71672@dragon.NUXI.org> References: <42EE1A34.6510B1CE@fadesa.es> <20050801151501.GA53593@freebie.xs4all.nl> <20050802172322.GC71672@dragon.NUXI.org>
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On Tuesday 02 August 2005 01:23 pm, David O'Brien wrote: > On Mon, Aug 01, 2005 at 05:15:01PM +0200, Wilko Bulte wrote: > > Yes, asr(4) is not in the default Alpha kernels. > > .. > > > Would be interesting to know if it works or not, then we can go and > > add it into the default GENERIC for FreeBSD/alpha install cds. > > It will not work as-is. I suspect it could be made to work using the > ugly hack we have elsewhere in src/sys: > > #ifdef __alpha__ > #undef vtophys > #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) It needs more work than that. It embeds 32-bit KVA pointers as cookies into it's DMA descriptors or some such. Talk to Scott if you want more details. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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