X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/33e49b2e6d599bc56326841b5b373b9f76adc5f7..HEAD:/netwatch/main.c?ds=sidebyside

diff --git a/netwatch/main.c b/netwatch/main.c
index db49f60..14c8ab4 100644
--- a/netwatch/main.c
+++ b/netwatch/main.c
@@ -1,3 +1,13 @@
+/* main.c
+ * Main post-paging entry point.  Actually, this is a lie.
+ * NetWatch system management mode administration console
+ *
+ * Copyright (c) 2008 Jacob Potter and Joshua Wise.  All rights reserved.
+ * This program is free software; you can redistribute and/or modify it under
+ * the terms found in the file LICENSE in the root of this source tree.
+ *
+ */
+
 #include <io.h>
 #include <smram.h>
 #include <video_defines.h>
@@ -38,7 +48,13 @@ void _try_inject()
 		outb(0x60, kbd_get_injected_scancode());	/* data */
 		while ((inb(0x64) & 0x02) && i--)	/* wait for completion */
 			;
-		outl(0x844, 0x1000);
+		/* On some chipsets, this might set the "device active" bit
+		 * for the keyboard controller.  On ICH2, we appear to get
+		 * lucky, but we need a mechanism of saying "I just touched
+		 * the keyboard, please don't send me another SMI because of
+		 * this"... XXX
+		 * ICH2: outl(0x844, 0x1000);
+		 */
 		adding_locks_from_time_to_time++;
 		smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
 	} else if (kbd_has_injected_scancode())