From bf589111ffc708a39bf7765228c4655d25b28515 Mon Sep 17 00:00:00 2001 From: Roger Pau Monne Date: Thu, 19 Jun 2014 13:05:55 +0200 Subject: [PATCH v5 08/29] xen: Dom0 console fixes and workarounds Minor fixes and workarounds to make the Xen Dom0 console work. Approved by: xxx Sponsored by: Citrix Systems R&D dev/xen/console/xencons_ring.c: - Always return true in xencons_has_input for Dom0. - Implement Dom0 console support for xencons_handle_input. --- sys/dev/xen/console/xencons_ring.c | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-) diff --git a/sys/dev/xen/console/xencons_ring.c b/sys/dev/xen/console/xencons_ring.c index 42b9abe..3c6487e 100644 --- a/sys/dev/xen/console/xencons_ring.c +++ b/sys/dev/xen/console/xencons_ring.c @@ -48,6 +48,9 @@ xencons_has_input(void) { struct xencons_interface *intf; + if (xen_initial_domain()) + return 1; + intf = xencons_interface(); return (intf->in_cons != intf->in_prod); @@ -98,6 +101,20 @@ 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)