On Mon, Feb 22, 2021 at 08:05:56AM +0100, Ahmad Fatoum wrote: > To make it easier to exchange data with paravirtualized barebox during > testing, import parts of the VirtIO support in Linux and U-Boot. > > API basically looks like U-Boot's, but driver boilerplate (like having > a virtio bus) is taken from Linux. Headers are the Linux ones with some > necessary modifications on top. > > Quite nifty thing is that Qemu will fix up the device tree appropriately, > so just compile in the drivers and it works. The vexpress_defconfig > already does this, so this just works: > > $ qemu-system-arm -m 256M -M virt -nographic \ > -kernel ./images/barebox-dt-2nd.img \ > -device virtio-rng-device \ > -drive if=none,file=/tmp/first.hdimg,format=raw,id=hd0 \ > -device virtio-blk-device,drive=hd0 \ > > Ahmad Fatoum (8): > kbuild: add include/uapi to path > driver: Don't throw an error on probes that didn't find the device > drivers: add support for memory-mapped VirtIO paravirtualization > hw_random: add VirtIO RNG driver > serial: add basic VirtIO console driver > block: add VirtIO block device driver > ARM: vexpress: config: update for VirtIO support > Documentation: add Documentation on VirtIO for barebox Applied, thanks Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
