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Instead of spinning, __asm __volatile("hlt").

This commit is contained in:
perry 2003-02-14 01:11:21 +00:00
parent 996ded7b6d
commit 3f573e45ce
1 changed files with 8 additions and 5 deletions
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13
sys/arch/i386/i386/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.511 2003/02/13 21:34:03 ross Exp $ */
/* $NetBSD: machdep.c,v 1.512 2003/02/14 01:11:21 perry Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998, 2000 The NetBSD Foundation, Inc.
@ -76,7 +76,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.511 2003/02/13 21:34:03 ross Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.512 2003/02/14 01:11:21 perry Exp $");
#include "opt_cputype.h"
#include "opt_ddb.h"
@ -2482,9 +2482,12 @@ haltsys:
printf("The operating system has halted.\n");
printf("Please press any key to reboot.\n\n");
cnpollc(1); /* for proper keyboard command handling */
if (cngetc() == 0) // no console attached
for (;;)
continue;
if (cngetc() == 0) {
/* no console attached, so just hlt */
for(;;) {
__asm __volatile("hlt");
}
}
cnpollc(0);
}