Date: Sun, 13 Sep 2015 18:47:22 +0100 From: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> To: Alexey Dokuchaev <danfe@FreeBSD.org>, Marius Strobl <marius@alchemy.franken.de> Cc: "freebsd-sparc64@freebsd.org" <freebsd-sparc64@freebsd.org> Subject: Re: PCI range checking under qemu-system-sparc64 Message-ID: <55F5B6AA.8050302@ilande.co.uk> In-Reply-To: <20150913103940.GA60101@FreeBSD.org> References: <557DA6D5.4070800@FreeBSD.org> <557DCF54.7020606@ilande.co.uk> <A88F6A52-FA8A-4669-A2D6-23374F8E26BB@FreeBSD.org> <557DF887.20508@ilande.co.uk> <20150906110308.GA68829@FreeBSD.org> <55EC2E8D.4020803@ilande.co.uk> <20150906124859.GA14919@FreeBSD.org> <20150907203152.GA70457@alchemy.franken.de> <55EDFE00.9090109@ilande.co.uk> <20150913022143.GA7862@alchemy.franken.de> <20150913103940.GA60101@FreeBSD.org>
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On 13/09/15 11:39, Alexey Dokuchaev wrote: > On Sun, Sep 13, 2015 at 04:21:43AM +0200, Marius Strobl wrote: >> However, looking at ebus(4), I've spotted a bug in the conversion >> to NEW_PCIB. Interested parties might want to give the attached >> patch a try. That bug definitely can lead to the problem seen with >> QEMU, I'm not sure it's the only one in that regard, though; I'm >> fairly certain in this case there's no problem with interpreting >> the device-tree involved, given that the same code is used for >> ISA busses which - at least in reality - unlike EBus ones use >> I/O port instead of memory space for the resources of devices >> such as UARTs etc. There could be other spots not prepared for >> EBus devices suddenly requesting SYS_RES_IOPORT, too, though. > > I've applied that patch, but it alone is not enough to allow the boot > to proceed further in QEMU. :( How sad :( > As Mark had mentioned, I will try to get some debug info and share > it if I find anything interesting. Yes please. Once the ebus attach is sorted then hopefully things will start to become a bit clearer... ATB, Mark.
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