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-rw-r--r--sys/kern/kern_cons.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/sys/kern/kern_cons.c b/sys/kern/kern_cons.c
index ad2ba20..8d23bef 100644
--- a/sys/kern/kern_cons.c
+++ b/sys/kern/kern_cons.c
@@ -41,6 +41,7 @@
__FBSDID("$FreeBSD$");
#include "opt_ddb.h"
+#include "opt_syscons.h"
#include <sys/param.h>
#include <sys/systm.h>
@@ -648,3 +649,45 @@ sysbeep(int pitch __unused, int period __unused)
#endif
+/*
+ * Temporary support for sc(4) to vt(4) transition.
+ */
+static char vty_name[16] = "";
+SYSCTL_STRING(_kern, OID_AUTO, vty, CTLFLAG_RDTUN, vty_name, 0,
+ "Console vty driver");
+
+int
+vty_enabled(unsigned vty)
+{
+ static unsigned vty_selected = 0;
+
+ if (vty_selected == 0) {
+ TUNABLE_STR_FETCH("kern.vty", vty_name, sizeof(vty_name));
+ do {
+#if defined(DEV_SC)
+ if (strcmp(vty_name, "sc") == 0) {
+ vty_selected = VTY_SC;
+ break;
+ }
+#endif
+#if defined(DEV_VT)
+ if (strcmp(vty_name, "vt") == 0) {
+ vty_selected = VTY_VT;
+ break;
+ }
+#endif
+#if defined(DEV_SC)
+ vty_selected = VTY_SC;
+#elif defined(DEV_VT)
+ vty_selected = VTY_VT;
+#endif
+ } while (0);
+
+ if (vty_selected == VTY_VT)
+ strcpy(vty_name, "vt");
+ else if (vty_selected == VTY_SC)
+ strcpy(vty_name, "sc");
+ }
+ return ((vty_selected & vty) != 0);
+}
+
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