1 files changed, 56 insertions, 0 deletions
diff --git a/core/kernel/console.c b/core/kernel/console.c
new file mode 100644
index 0000000..2fce361
--- /dev/null
+++ b/core/kernel/console.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2017, Linaro Limited
+ * 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 <console.h>
+#include <compiler.h>
+#include <drivers/serial.h>
+#include <stdlib.h>
+
+static struct serial_chip *serial_console __early_bss;
+
+void __weak console_putc(int ch)
+{
+	if (!serial_console)
+		return;
+
+	if (ch == '\n')
+		serial_console->ops->putc(serial_console, '\r');
+	serial_console->ops->putc(serial_console, ch);
+}
+
+void __weak console_flush(void)
+{
+	if (!serial_console)
+		return;
+
+	serial_console->ops->flush(serial_console);
+}
+
+void register_serial_console(struct serial_chip *chip)
+{
+	serial_console = chip;
+}