Add basic device handling infrastructure

1 files changed, 41 insertions, 0 deletions

diff --git a/uart.c b/uart.c
new file mode 100644
index 0000000..f49c1cb
--- /dev/null
+++ b/uart.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
+ * Copyright (C) 2010 chysun2000@gmail.com
+ *
+ * This file is part of nios2sim-ng.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include "nios2sim-ng.h"
+#include "device.h"
+#include "uart.h"
+
+static int uart_init(struct device *dev)
+{
+	return 0;
+}
+
+static bool uart_is_dev_addr(struct device *dev, uint32_t addr)
+{
+	if (addr >= dev->base && addr < dev->base + dev->size)
+		return true;
+
+	return false;
+}
+
+static void uart_simulate(struct device *dev)
+{
+}
+
+struct device uart_core = {
+	.name		= "UART Core",
+	.base		= UART_BASE,
+	.size		= UART_SIZE,
+
+	.init		= uart_init,
+	.is_dev_addr	= uart_is_dev_addr,
+	.simulate	= uart_simulate,
+};