Dear Loïc Minier, > On Sat, Nov 03, 2012, Marek Vasut wrote: > > I need to catch up with you in there ;-) What do you use for a bootloader > > on these armv8 devices? > > No bootloader at the moment, but a boot wrapper! ;-) > > At the moment, ARMv8 work is mostly on virtual platforms (I guess there > might be some people with expensive FGPAs too); the two virtual > platforms Linaro is using are: > * the free (as in beer) ARMv8 Foundation model ("Foundation") > * the pre-built ARMv8 Versatile Express model ("VE RTSM") > > ARM recently published some information on the various models at: > http://www.arm.com/fvp > > The two virtual platforms are relatively similar; the main differences > are: > * VE model has a MMC while the Foundation model has an AMBA virtio block > device > * VE has a RTC while Foundation model hasn't > * VE has an AMBA LCD (clcd) while Foundation model hasn't > > At least the first difference prevents us from sharing a single Device > Tree with all devices between the two platforms (kernel oops when > starting the Foundation model with the MMC listed or vice-versa). > > To boot the platform, a small boot wrapper is combined with the kernel, > device tree, and kernel cmdline into an ELF .axf file for the model to > run. > > This page explains how to rebuild kernel + device tree + boot wrapper: > https://wiki.linaro.org/HowTo/BuildArm64Kernel > (the boot wrapper is maintained by Catalin Marinas on git.kernel.org) > > > The plan is to switch to a full bootloader -- likely Tianocore (UEFI) -- > when available as it's painful to have to rebuild the .axf whenever the > kernel or kernel cmdline change, and real hardware wouldn't use a boot > wrapper anyway. > > I guess you're asking because you consider an U-Boot port? :-)
Mostly, yes. I was pondering if armv8 is the terminus station for u-boot. btw guys ... (Wookey, Loic) ... do you have any plans for tomorrow evening? Best regards, Marek Vasut -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel