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-rw-r--r--sys/dev/syscons/syscons.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/syscons/syscons.c b/sys/dev/syscons/syscons.c
index f3ffa83..7c5958e 100644
--- a/sys/dev/syscons/syscons.c
+++ b/sys/dev/syscons/syscons.c
@@ -44,6 +44,7 @@
#include <sys/conf.h>
#include <sys/proc.h>
#include <sys/signalvar.h>
+#include <sys/sysctl.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
@@ -114,6 +115,10 @@ static void (*current_saver)(sc_softc_t *, int) = none_saver;
static bios_values_t bios_value;
+static int enable_panic_key;
+SYSCTL_INT(_machdep, OID_AUTO, enable_panic_key, CTLFLAG_RW, &enable_panic_key,
+ 0, "");
+
#define SC_MOUSE 128
#define SC_CONSOLECTL 255
@@ -3738,6 +3743,11 @@ next_code:
#endif /* SC_DISABLE_DDBKEY */
break;
+ case PNC:
+ if (enable_panic_key)
+ panic("Forced by the panic key");
+ break;
+
case NEXT:
this_scr = scp->index;
for (i = (this_scr - sc->first_vty + 1)%sc->vtys;
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