The previous version was posted and discussed on this thread: https://lists.nongnu.org/archive/html/qemu-devel/2016-04/threads.html#00013
Since v3: - CONFIG_ROM_SIZE=0 (it chooses 64K automatically) - CONFIG_RELOCATE_INIT=n - CONFIG_BOOTORDER=n Knocks another 10ms off the boot time. Rich.
