建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/test/system/linux/zynq/CMakeLists.txt

@@ -0,0 +1,3 @@
+collect (PROJECT_LIB_TESTS device.c)
+
+# vim: expandtab:ts=2:sw=2:smartindent

source/OpenAMP/libmetal/test/system/linux/zynq/device.c

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <unistd.h>
+
+#include "metal-test.h"
+#include <metal/device.h>
+
+static int device(void)
+{
+	struct metal_device *device;
+	struct metal_io_region *io;
+	uint32_t idcode;
+	int error;
+
+	error = metal_device_open("platform", "f8000000.slcr", &device);
+	if (error)
+		return error;
+
+	io = metal_device_io_region(device, 0);
+	if (!io) {
+		metal_device_close(device);
+		return -ENODEV;
+	}
+
+	idcode = metal_io_read32(io, 0x530);
+	metal_log(METAL_LOG_DEBUG, "Read id code %x\n", idcode);
+
+	metal_device_close(device);
+
+	return 0;
+}
+METAL_ADD_TEST(device);