From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54940) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aYeAH-00053V-Ac for qemu-devel@nongnu.org; Wed, 24 Feb 2016 13:27:58 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aYeAG-00025w-33 for qemu-devel@nongnu.org; Wed, 24 Feb 2016 13:27:57 -0500 References: <605392182193B84A99A143D9DA347B52FB8AA7@post> From: John Snow Message-ID: <56CDF624.6050104@redhat.com> Date: Wed, 24 Feb 2016 13:27:48 -0500 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Qemu-arm] help on how to emulate rasbperry pi 2 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andrew Baumann , Peter Maydell , Mats Malmberg Cc: "qemu-arm@nongnu.org" , QEMU Developers On 02/24/2016 01:04 PM, Andrew Baumann wrote: >> From: Peter Maydell [mailto:peter.maydell@linaro.org] >> Sent: Wednesday, 24 February 2016 9:49 AM >> >> On 24 February 2016 at 15:40, Mats Malmberg >> wrote: >>> >>> Hello all! >>> >>> TL;DR : Is the raspi2 machine ready to use? If yes, how do I use it with >>> ordinary rpi distros? If not, what is the best way to emulate raspberry >>> pi 2 via Qemu? >> >> Hi; I've cc'd the main qemu-devel list and Andrew Baumann who contributed >> the rpi2 support. I know there are still some missing pieces to be >> added later but I forget the details. > > There are still a number of missing pieces (including display and USB) which I hope to submit soon, but you should be able to boot Linux with a serial console. Brief instructions are at the end of this page: https://github.com/0xabu/qemu/wiki > > BTW, instead of -hda you need to pass -sd for the image file. > > Cheers, > Andrew > Is it worth changing the default interface for the "raspi2" board to be SD so that "-hda xxxxx" mounts an SD card? Or do we support using that for an imagined S/ATA interface? (BCM2836 doesn't have SATA, right?) >> >>> Host 'uname -a' output: >>> Linux user-Precision-M4700 3.19.0-49-generic #55~14.04.1-Ubuntu SMP Fri >> Jan 22 11:24:31 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux >>> >>> Qemu version (via apt-get) 2.5.50 >>> >>> >>> >>> I have been trying lately to get an emulation going with the raspi2 machine. >> I admit that this is my first encounter with trying to use qemu, so perhaps >> some of my attempts have been naive in their approach. Still, I've spent a lot >> of time googling guides, qemu user documentation, blog posts, git >> repositories etc, but with no success. Now I'm all out of ideas... >>> >>> I've tried more ways than suitable to describe here, but in short I typically: >>> 1. take a official linux distro for raspberry pi (alpine, raspbian-jessie, Hypriot >> etc) (all of them verified to work on actual target) >>> 2. find a (what I think is) a compatible kernel, either by copying from >> distro's rootfs boot/ directory or by building a qemu kernel from source >> (https://github.com/dhruvvyas90/qemu-rpi-kernel) >>> 3. try and start the emulation with >>> qemu-system-arm -kernel kernel_file -M raspi2 -hda linux_image_file.img >>> >>> at this point, the terminal says "VNC server running on '127.0.0.1;5900' >>> 4. using vinagre client i connect to the given address, but it only gives me a >> compat_monitor0 console >>> >>> Thus I wonder, is the raspi2 machine a feature that is ready to use? >>> If so, where do I fail in my attempts? If not, what is a recommended >> alternative? >>> >>> Any help or pointers on how to be able to emulate my target (raspberry pi >> 2) would be very appreciated. >> >> thanks >> -- PMM