This is the support for the ARM Foundation v8 machine emulated by the
ARM software simulator of the AArch64 architecture.

First, one has to download the AArch64 software simulator from:

  https://silver.arm.com/download/download.tm?pv=1317469

Then, use the arm_foundationv8_defconfig configuration to build your
Buildroot system.

Note that the Busybox build will fail due to the lack of rpc/rpc.h
(the AArch64 toolchain does not have RPC support). Run 'make
busybox-menuconfig', and in 'Linux System Utilities', disable the
option 'Support mounting NFS file systems on Linux < 2.6.23' and
restart the build. This problem will be fix in upcomins versions of
Buildroot.

Finally, boot your system with:

 ${LOCATION_OF_FOUNDATIONV8_SIMULATOR}/Foundation_v8 \
    --image output/images/linux-system.axf \
    --block-device output/images/rootfs.ext2 \
    --network=nat

You can get network access from within the simulated environment
by requesting an IP address using DHCP (run the command 'udhcpc').