Mercurial > vordog

diff vordog.c @ 13:e4e6727f530f tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
To work with bootstrap code's configuration on the timer
author Thinker K.F. Li <thinker@branda.to>
date Wed, 09 Jul 2008 13:05:43 +0800
parents 6bfd60bcd7b8
children
line wrap: on
line diff
--- a/vordog.c	Wed Jul 09 04:40:09 2008 +0800
+++ b/vordog.c	Wed Jul 09 13:05:43 2008 +0800
@@ -262,8 +262,12 @@
 static int vordog_probe(device_t dev) {
     int b;
 
+    disable_timer();		/* To work with bootstrap code
+				 * that may configure the timer. */
+
+    outb(VD_INITVAL, 0xaa);
     b = inb(VD_INITVAL);
-    if(b != 0)
+    if(b != 0xaa)
 	return EINVAL;
     b = inb(VD_CTR);
     if(b != 0)