void
arch_init(start_info_t *si)
{
/* Copy the start_info struct to a globally-accessible area. */
/* WARN: don't do printk before here, it uses information from
shared_info. Use xprintk instead. */
memcpy(&start_info, si, sizeof(*si));
/* set up minimal memory infos */
phys_to_machine_mapping = (unsigned long *)start_info.mfn_list;
/* Grab the shared_info pointer and put it in a safe place. */
HYPERVISOR_shared_info = map_shared_info(start_info.shared_info);
/* Set up event and failsafe callback addresses. */
#ifdef __i386__
HYPERVISOR_set_callbacks(
__KERNEL_CS, (unsigned long)hypervisor_callback,
__KERNEL_CS, (unsigned long)failsafe_callback);
#else
HYPERVISOR_set_callbacks(
(unsigned long)hypervisor_callback,
(unsigned long)failsafe_callback, 0);
#endif
}
CAMLprim value
stub_hypervisor_suspend(value unit)
{
CAMLparam0();
int cancelled;
printk("WARNING: stub_hypervisor_suspend not yet implemented\n");
cancelled = 1;
#if 0
/* Turn the store and console mfns to pfns - required because xc_domain_restore uses these values */
start_info.store_mfn = mfn_to_pfn(start_info.store_mfn);
start_info.console.domU.mfn = mfn_to_pfn(start_info.console.domU.mfn);
/* canonicalize_pagetables can't cope with pagetable entries that are outside of the guest's mfns,
so we must unmap anything outside of our space */
unmap_shared_info();
/* Actually do the suspend. When this function returns 0, we've been resumed */
cancelled = HYPERVISOR_suspend(virt_to_mfn(&start_info));
if(cancelled) {
start_info.store_mfn = pfn_to_mfn(start_info.store_mfn);
start_info.console.domU.mfn = pfn_to_mfn(start_info.console.domU.mfn);
}
/* Reinitialise several things */
trap_init();
init_events();
/* ENABLE EVENT DELIVERY. This is disabled at start of day. */
local_irq_enable();
setup_xen_features();
HYPERVISOR_shared_info = map_shared_info(start_info.shared_info);
/* Set up event and failsafe callback addresses. */
HYPERVISOR_set_callbacks(
(unsigned long)hypervisor_callback,
(unsigned long)failsafe_callback, 0);
init_time();
arch_rebuild_p2m();
unmask_evtchn(start_info.console.domU.evtchn);
unmask_evtchn(start_info.store_evtchn);
#endif
CAMLreturn(Val_int(cancelled));
}
