xv6

commit 90d975e9c8a540efb380435f0dfc1369bad684ae
parent fbaa7b428e3292dec10781f5fa5c9a3eae982426
Author: rsc <rsc>
Date:   Wed, 26 Sep 2007 23:32:47 +0000

comment bochs nonsense

Diffstat:
M
lapic.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/lapic.c b/lapic.c
@@ -122,6 +122,8 @@ lapic_startap(uchar apicid, uint addr)
   microdelay(10);
   
   // Send startup IPI (twice!) to enter bootstrap code.
+  // Regular hardware wants it twice, but Bochs complains.
+  // Too bad for Bochs.
   for(i = 0; i < 2; i++){
     lapic[ICRHI] = apicid<<24;
     lapic[ICRLO] = STARTUP | (addr>>12);