Function start

pub(crate) unsafe fn start() -> (&'static Kernel, QemuRv32VirtPlatform, &'static QemuRv32VirtChip<'static, QemuRv32VirtDefaultPeripherals<'static>>)

This is in a separate, inline(never) function so that its stack frame is removed when this function returns. Otherwise, the stack space used for these static_inits is wasted.