On 02/24/2016 01:04 PM, Andrew Baumann wrote: >> From: Peter Maydell [mailto:peter.mayd...@linaro.org] >> Sent: Wednesday, 24 February 2016 9:49 AM >> >> On 24 February 2016 at 15:40, Mats Malmberg <mats.malmb...@tritech.se> >> 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