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authorPer Fogelstrom <pefo@cvs.openbsd.org>1997-05-19 16:01:10 +0000
committerPer Fogelstrom <pefo@cvs.openbsd.org>1997-05-19 16:01:10 +0000
commitae960993922d14b6b010a0586d9a13eb6846ce11 (patch)
tree25ef5b5af04d7ec5eb12f7dda7fa086f811d8fcf /sys/arch
parent7baf1c0bbe226cb1222d64960e2598f52136bdad (diff)
Make PICA's really reboot on rebbot command
Diffstat (limited to 'sys/arch')
-rw-r--r--sys/arch/arc/arc/machdep.c6
-rw-r--r--sys/arch/arc/dev/pccons.c20
2 files changed, 23 insertions, 3 deletions
diff --git a/sys/arch/arc/arc/machdep.c b/sys/arch/arc/arc/machdep.c
index b500f40273e..610404c01e3 100644
--- a/sys/arch/arc/arc/machdep.c
+++ b/sys/arch/arc/arc/machdep.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.27 1997/05/18 13:45:21 pefo Exp $ */
+/* $OpenBSD: machdep.c,v 1.28 1997/05/19 16:01:09 pefo Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1992, 1993
@@ -38,7 +38,7 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 8.3 (Berkeley) 1/12/94
- * $Id: machdep.c,v 1.27 1997/05/18 13:45:21 pefo Exp $
+ * $Id: machdep.c,v 1.28 1997/05/19 16:01:09 pefo Exp $
*/
/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
@@ -105,6 +105,7 @@ extern void makebootdev __P((char *));
extern void stacktrace __P((void));
extern void configure __P((void));
extern void pmap_bootstrap __P((vm_offset_t));
+extern int kbc_8042sysreset __P((void));
/* the following is used externally (sysctl_hw) */
char machine[] = "arc"; /* cpu "architecture" */
@@ -1141,6 +1142,7 @@ boot(howto)
dumpsys();
printf("System restart.\n");
delay(2000000);
+ (void)kbc_8042sysreset(); /* Try this first */
__asm__(" li $2, 0xbfc00000; jr $2; nop\n");
while(1); /* Forever */
}
diff --git a/sys/arch/arc/dev/pccons.c b/sys/arch/arc/dev/pccons.c
index cfb1359cc40..58a057f54da 100644
--- a/sys/arch/arc/dev/pccons.c
+++ b/sys/arch/arc/dev/pccons.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pccons.c,v 1.14 1997/04/19 17:19:53 pefo Exp $ */
+/* $OpenBSD: pccons.c,v 1.15 1997/05/19 16:01:07 pefo Exp $ */
/* $NetBSD: pccons.c,v 1.89 1995/05/04 19:35:20 cgd Exp $ */
/*-
@@ -157,6 +157,7 @@ void pc_xmode_on __P((void));
void pc_xmode_off __P((void));
static u_char kbc_get8042cmd __P((void));
static int kbc_put8042cmd __P((u_char));
+int kbc_8042sysreset __P((void));
int kbd_cmd __P((u_char, u_char));
static __inline int kbd_wait_output __P((void));
static __inline int kbd_wait_input __P((void));
@@ -287,6 +288,23 @@ kbd_flush_input()
}
+
+/*
+ * Pass system reset command to keyboard controller (8042).
+ */
+int
+kbc_8042sysreset()
+{
+
+ if (!kbd_wait_output())
+ return 0;
+ outb(kbd_cmdp, 0xd1);
+ if (!kbd_wait_output())
+ return 0;
+ outb(kbd_datap, 0); /* ZAP */
+ return 1;
+}
+
#if 1
/*
* Get the current command byte.