minios: add proper shutdown facilities

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>

1 files changed, 8 insertions, 1 deletions

diff --git a/extras/mini-os/arch/x86/time.c b/extras/mini-os/arch/x86/time.c
index d7b387f95f..4af0b89b94 100644
--- a/extras/mini-os/arch/x86/time.c
+++ b/extras/mini-os/arch/x86/time.c
@@ -222,10 +222,17 @@ static void timer_handler(evtchn_port_t ev, struct pt_regs *regs, void *ign)
 
 
 
+static evtchn_port_t port;
 void init_time(void)
 {
-    evtchn_port_t port;
     printk("Initialising timer interface\n");
     port = bind_virq(VIRQ_TIMER, &timer_handler, NULL);
     unmask_evtchn(port);
 }
+
+void fini_time(void)
+{
+    /* Clear any pending timer */
+    HYPERVISOR_set_timer_op(0);
+    unbind_evtchn(port);
+}