Use db_rint() to make it possible to enter ddb(4) by typing ESC D.

ok jca@, miod@

diff --git a/sys/dev/fdt/amluart.c b/sys/dev/fdt/amluart.c
index 03abf60..7c9aaa9 100644 (file)
--- a/sys/dev/fdt/amluart.c
+++ b/sys/dev/fdt/amluart.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: amluart.c,v 1.3 2021/10/24 17:52:26 mpi Exp $ */
+/*     $OpenBSD: amluart.c,v 1.4 2022/07/15 17:14:49 kettenis Exp $    */
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -276,8 +276,20 @@ amluart_softintr(void *arg)
 
        splx(s);
 
-       while (ibufp < ibufend)
-               (*linesw[tp->t_line].l_rint)(*ibufp++, tp);
+       while (ibufp < ibufend) {
+               int i = *ibufp++;
+#ifdef DDB
+               if (tp->t_dev == cn_tab->cn_dev) {
+                       int j = db_rint(i);
+
+                       if (j == 1)     /* Escape received, skip */
+                               continue;
+                       if (j == 2)     /* Second char wasn't 'D' */
+                               (*linesw[tp->t_line].l_rint)(27, tp);
+               }
+#endif
+               (*linesw[tp->t_line].l_rint)(i, tp);
+       }
 }
 
 int