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[Qemu-devel] [PATCH 1/2] ps2: Clear the queue on PS/2 mouse reset and ob
From: |
geoff |
Subject: |
[Qemu-devel] [PATCH 1/2] ps2: Clear the queue on PS/2 mouse reset and obey device disable |
Date: |
Mon, 07 May 2018 22:00:22 +1000 |
User-agent: |
Roundcube Webmail/1.2.3 |
This allows guest's to correctly reinitialize and identify the mouse
should the guest decide to re-scan or reset during mouse input events.
Signed-off-by: Geoffrey McRae <address@hidden>
---
hw/input/ps2.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/input/ps2.c b/hw/input/ps2.c
index 06f5d2ac4a..6edf046820 100644
--- a/hw/input/ps2.c
+++ b/hw/input/ps2.c
@@ -673,6 +673,9 @@ static void ps2_mouse_sync(DeviceState *dev)
{
PS2MouseState *s = (PS2MouseState *)dev;
+ if (!(s->mouse_status & MOUSE_STATUS_ENABLED))
+ return;
+
if (s->mouse_buttons) {
qemu_system_wakeup_request(QEMU_WAKEUP_REASON_OTHER);
}
@@ -776,6 +779,7 @@ void ps2_write_mouse(void *opaque, int val)
s->mouse_resolution = 2;
s->mouse_status = 0;
s->mouse_type = 0;
+ ps2_reset_queue(&s->common);
ps2_queue(&s->common, AUX_ACK);
ps2_queue(&s->common, 0xaa);
ps2_queue(&s->common, s->mouse_type);
--
2.14.2
- [Qemu-devel] [PATCH 1/2] ps2: Clear the queue on PS/2 mouse reset and obey device disable,
geoff <=