Date: Thu, 2 Nov 2006 21:15:56 -0800 From: John Utz <john@utzweb.net> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-acpi@freebsd.org Subject: Re: Serious Progess Re: smbios.ko probes successfully if i disable acpi sysresource, fails if i do not Message-ID: <F9BF0018-8A4B-46E5-97E2-C260357CFEEB@utzweb.net> In-Reply-To: <200611021139.41252.jhb@freebsd.org> References: <FBFBCF13-54B0-4825-A115-4CDDE4215CD7@utzweb.net> <200611011051.00658.jhb@freebsd.org> <4FC5FAF0-0490-48D3-B471-59CEDEC7F512@utzweb.net> <200611021139.41252.jhb@freebsd.org>
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On Nov 2, 2006, at 8:39 AM, John Baldwin wrote: > On Wednesday 01 November 2006 23:18, John Utz wrote: >> >> On Nov 1, 2006, at 7:51 AM, John Baldwin wrote: >> >>> On Tuesday 31 October 2006 18:47, john@utzweb.net wrote: >>>> >>>> So i actually do use pmap_mapdev to get a handle to the table, but >>>> i dont >>>> do that in smbios_attach, i do it in a function written to walk >>>> the table. >>>> >>>> but, as i alluded to previously, the original author used >>>> bus_alloc_resource() in smbios_attach() are you saying that i >>>> should use >>>> pmap_mapdev() in smbios_attach *instead* of bus_alloc_resource()? >>> >>> Yes. Firmware tables are not resources (at least IMHO). >> >> ok then. >> >> so since pmap_mapdev() returns a void* what is the current blessed >> type that should be used for pmap_ memory handles in smbios_softc? > > Eh? Any pointer will do. :) > tnx! that is what i thought, but i'd rather ask. if i do a char* pfoo = pmap_mapdev(addr, size) in smbios_attach(), it stands to reason that i would want to do a pmap_unmapdev (pfoo,size) in smbios_detach(), yes? however, when i do this, it panics. am i missing the point here? tnx for all your help so far! johnu > -- > John Baldwin >
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