x86: make vmmouse optional

Compile vmmouse in hwlib. Ignore failure if vmmouse device can't be
created.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/hw/pc.c b/hw/pc.c
index cde20c06da..00fe04e9d7 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -1134,8 +1134,10 @@ void pc_basic_device_init(qemu_irq *isa_irq,
     i8042 = isa_create_simple("i8042");
     i8042_setup_a20_line(i8042, &a20_line[0]);
     vmport_init();
-    vmmouse = isa_create("vmmouse");
-    qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
+    vmmouse = isa_try_create("vmmouse");
+    if (vmmouse) {
+        qdev_prop_set_ptr(&vmmouse->qdev, "ps2_mouse", i8042);
+    }
     port92 = isa_create_simple("port92");
     port92_init(port92, &a20_line[1]);