On Tue, Jul 07, 2020 at 12:07:08PM +0200, Ard Biesheuvel wrote: > QEMU's mach-virt machine only supports selecting CPU models that > implement the virtualization extensions, and are therefore guaranteed > to support LPAE as well. > > Initially, QEMU would not allow emulating these CPUs running in HYP > mode (or EL2, for AArch64), but today, it also contains a complete > implementation of the virtualization extensions themselves. > > This means we could be running U-Boot in HYP mode, in which case the > LPAE long descriptor page table format is the only format that is > supported. If we are not running in HYP mode, we can use either. > > So let's enable CONFIG_ARMV7_LPAE for qemu_arm_defconfig so that we > get the best support for running with the MMU and caches enabled at > any privilege level. > > Signed-off-by: Ard Biesheuvel <a...@kernel.org> > Acked-by: Heinrich Schuchardt <xypron.g...@gmx.de>
Applied to u-boot/master, thanks! -- Tom
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