[PATCH RFC 06/13] xen: Dom0 console fixes

Minor fixes and workarounds to make the Xen Dom0 console work.
---
 sys/dev/xen/console/xencons_ring.c |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/sys/dev/xen/console/xencons_ring.c b/sys/dev/xen/console/xencons_ring.c
index d826363..ea97f7b 100644
--- a/sys/dev/xen/console/xencons_ring.c
+++ b/sys/dev/xen/console/xencons_ring.c
_at__at_ -48,6 +48,9 _at__at_ xencons_has_input(void)
 {
 	struct xencons_interface *intf; 
 
+	if (xen_initial_domain())
+		return 1;
+
 	intf = xencons_interface();		
 
 	return (intf->in_cons != intf->in_prod);
_at__at_ -97,6 +100,19 _at__at_ xencons_handle_input(void *unused)
 	XENCONS_RING_IDX cons, prod;
 
 	CN_LOCK(cn_mtx);
+
+	if (xen_initial_domain()) {
+		/* XXX: read from console */
+		static char rbuf[16];
+		int         l;
+
+		while ((l = HYPERVISOR_console_io(CONSOLEIO_read, 16, rbuf)) > 0)
+			xencons_rx(rbuf, l);
+
+		CN_UNLOCK(cn_mtx);
+		return;
+	}
+
 	intf = xencons_interface();
 
 	cons = intf->in_cons;
-- 
1.7.7.5 (Apple Git-26)