The Shared info page is used to share various CPU-related state
between the guest OS and the hypervisor. This information includes VCPU
status, time information and event channel (virtual interrupt) state.
The Start info page is used to pass build-time information to
the guest when it boots and when it is resumed from a suspended state.
This chapter documents the fields included in the shared_info_t and start_info_t structures for use by the