1 files changed, 107 insertions, 0 deletions
diff --git a/sys/boot/arc/lib/arcconsole.c b/sys/boot/arc/lib/arcconsole.c
new file mode 100644
index 0000000..9607b6b
--- /dev/null
+++ b/sys/boot/arc/lib/arcconsole.c
@@ -0,0 +1,107 @@
+/* $FreeBSD$ */
+/* $NetBSD: prom.c,v 1.3 1997/09/06 14:03:58 drochner Exp $ */
+
+/*  
+ * Mach Operating System
+ * Copyright (c) 1992 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+
+#include <sys/types.h>
+
+#include "bootstrap.h"
+#include "arctypes.h"
+#include "arcfuncs.h"
+
+int console;
+
+static void arc_probe(struct console *cp);
+static int arc_init(int);
+static void arc_putchar(int);
+static int arc_getchar(void);
+static int arc_poll(void);
+
+struct console arcconsole = {
+    "arc",
+    "ARC firmware console",
+    0,
+    arc_probe,
+    arc_init,
+    arc_putchar,
+    arc_getchar,
+    arc_poll,
+};
+
+static void
+arc_probe(struct console *cp)
+{
+    cp->c_flags |= C_PRESENTIN|C_PRESENTOUT;
+}
+
+static int
+arc_init(int arg)
+{
+    return 0;
+}
+
+static void
+arc_putchar(int c)
+{
+    char cbuf = c;
+    u_int32_t count;
+
+    Write(StandardOut, &cbuf, 1, &count);
+}
+
+static int saved_char = -1;
+
+int
+arc_getchar()
+{
+    char cbuf;
+    u_int32_t count;
+
+    arc_putchar('_');
+    arc_putchar('\b');
+    Read(StandardIn, &cbuf, 1, &count);
+    arc_putchar(' ');
+    arc_putchar('\b');
+    if (count == 1)
+	return cbuf;
+    else
+	return -1;
+}
+
+int
+arc_poll()
+{
+    return GetReadStatus(StandardIn) == ESUCCESS;
+}
+
+int
+arc_open(dev, len)
+    char *dev;
+    int len;
+{
+    return 0;
+}