From: Erik van der Kouwe <erikvdk@gmail.com>
Date: Fri, 19 Nov 2010 17:37:48 +0000 (-0600)
Subject: This command implements the 0xee echo command on the keyboard controller.
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=1598235b4d53e7ae2daf561f36be1962ba42d5bf;p=palacios.git

This command implements the 0xee echo command on the keyboard controller.
---

diff --git a/palacios/src/devices/keyboard.c b/palacios/src/devices/keyboard.c
index 554e9d1..a3fda90 100644
--- a/palacios/src/devices/keyboard.c
+++ b/palacios/src/devices/keyboard.c
@@ -950,6 +950,10 @@ static int keyboard_write_output(struct guest_info * core, ushort_t port, void *
 		    state->state = SET_LEDS;
 		    break;
 
+		case 0xee: // echo, used by FreeBSD to probe controller
+		    push_to_output_queue(dev, 0xee, COMMAND, KEYBOARD);
+		    break;
+
 		case 0xfe: // resend
 		case 0xfd: // set key type make
 		case 0xfc: // set key typ make/break