From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NdKKx-0003kW-Td for qemu-devel@nongnu.org; Fri, 05 Feb 2010 04:18:51 -0500 Received: from [199.232.76.173] (port=39805 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NdKKx-0003kG-Df for qemu-devel@nongnu.org; Fri, 05 Feb 2010 04:18:51 -0500 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NdKKv-0002fO-Vc for qemu-devel@nongnu.org; Fri, 05 Feb 2010 04:18:51 -0500 Received: from lechat.rtp-net.org ([88.191.19.38]:54516) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NdKKv-0002fG-MQ for qemu-devel@nongnu.org; Fri, 05 Feb 2010 04:18:49 -0500 From: Arnaud Patard (Rtp) Subject: Re: [Qemu-devel] Adding support for MIPS64 as host References: <79fd481e1002030853n4e376e91sca7234fdea3d05d3@mail.gmail.com> <761ea48b1002030859s548f0786xc03954d8b767933c@mail.gmail.com> <79fd481e1002040926xd5d19abuecf2743374074417@mail.gmail.com> <1265381191.2020.25.camel@fuloong2f> Date: Fri, 05 Feb 2010 10:22:18 +0100 In-Reply-To: <1265381191.2020.25.camel@fuloong2f> (pinery's message of "Fri\, 05 Feb 2010 14\:46\:31 +0000") Message-ID: <87y6j8ujed.fsf@lechat.rtp-net.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: pinery Cc: qemu-devel@nongnu.org pinery writes: Hi, > =E6=96=BC =E5=9B=9B=EF=BC=8C2010-02-04 =E6=96=BC 22:56 +0530=EF=BC=8CUt= karsh Sopan =E6=8F=90=E5=88=B0=EF=BC=9A >>=20 >> Can you tell me what is the status of adding MIPS64 support? >> as at the wiki page it showed Red earlier. >> On Wed, Feb 3, 2010 at 10:29 PM, Laurent Desnogues >> wrote: >> On Wed, Feb 3, 2010 at 5:53 PM, Utkarsh Sopan >> wrote: >> > I am trying to add support for MIPS 64 as Host machine as my >> academic >> > project. >> =20 >> =20 >> Note that some work has already been done for MIPS host >> support. >> =20 >> > I am new to QEMU. >> > >> > Problem is I dont have a MIPS 64 machine to test on. >> > Please suggest whether or not I can use a nested QEMU >> emulator to test the >> > same. >> > i.e. running my version on top of a simulated MIPS64 >> machine. >> > >> > Is it possible to do so? >> =20 >> =20 >> I was able to run on an x86_64 host, an ARM-hosted QEMU >> simulating >> x86. That was for Linux user mode. I can't say if that would >> work for >> other targets or for system simulation. >> =20 >> =20 >> Laurent >>=20 > A company called lemote[1] sells laptop and mini-PC based MIPS > CPU ,loongson[2],a 800M 64-bit four-issues out-of-order execution > Superscalar architecture. Quad-Core Loongson-3 Processor has been taped > out by ST Microelectronics. Currently,I run qemu on my loongson > computer,but qemu crashs during booting. Unfortunately, you won't get further for now. There's a cache problem leading to bad relocation (in case of relocations, jump to label are "transformed" into jump to next instruction). See linux-mips mailing list, there was on thread about it. Arnaud