1 files changed, 130 insertions, 0 deletions
diff --git a/sys/boot/userboot/userboot/userboot_cons.c b/sys/boot/userboot/userboot/userboot_cons.c
new file mode 100644
index 000000000000..6f73ad5633bb
--- /dev/null
+++ b/sys/boot/userboot/userboot/userboot_cons.c
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 2011 Google, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stand.h>
+#include "bootstrap.h"
+#include "libuserboot.h"
+
+int console;
+
+static struct console *userboot_comconsp;
+
+static void userboot_cons_probe(struct console *cp);
+static int userboot_cons_init(int);
+static void userboot_comcons_probe(struct console *cp);
+static int userboot_comcons_init(int);
+static void userboot_cons_putchar(int);
+static int userboot_cons_getchar(void);
+static int userboot_cons_poll(void);
+
+struct console userboot_console = {
+	"userboot",
+	"userboot",
+	0,
+	userboot_cons_probe,
+	userboot_cons_init,
+	userboot_cons_putchar,
+	userboot_cons_getchar,
+	userboot_cons_poll,
+};
+
+/*
+ * Provide a simple alias to allow loader scripts to set the
+ * console to comconsole without resulting in an error
+ */
+struct console userboot_comconsole = {
+	"comconsole",
+	"comconsole",
+	0,
+	userboot_comcons_probe,
+	userboot_comcons_init,
+	userboot_cons_putchar,
+	userboot_cons_getchar,
+	userboot_cons_poll,
+};
+
+static void
+userboot_cons_probe(struct console *cp)
+{
+
+	cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
+}
+
+static int
+userboot_cons_init(int arg)
+{
+
+	return (0);
+}
+
+static void
+userboot_comcons_probe(struct console *cp)
+{
+
+	/*
+	 * Save the console pointer so the comcons_init routine
+	 * can set the C_PRESENT* flags. They are not set
+	 * here to allow the existing userboot console to
+	 * be elected the default.
+	 */
+	userboot_comconsp = cp;
+}
+
+static int
+userboot_comcons_init(int arg)
+{
+
+	/*
+	 * Set the C_PRESENT* flags to allow the comconsole
+	 * to be selected as the active console
+	 */
+	userboot_comconsp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
+	return (0);
+}
+
+static void
+userboot_cons_putchar(int c)
+{
+
+        CALLBACK(putc, c);
+}
+
+static int
+userboot_cons_getchar()
+{
+
+	return (CALLBACK(getc));
+}
+
+static int
+userboot_cons_poll()
+{
+
+	return (CALLBACK(poll));
+}