建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/test/system/freertos/alloc.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <metal/errno.h>
+#include <string.h>
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include "metal-test.h"
+#include <metal/alloc.h>
+#include <metal/log.h>
+#include <metal/sys.h>
+
+static const int test_count = 10;
+
+static void *alloc_thread(void *arg)
+{
+	int i;
+	void *ptr;
+	void *rv = 0;
+
+	(void)arg;
+
+	for (i = 0; i < test_count; i++) {
+		/* expecting the implementation to be thread safe */
+		ptr = metal_allocate_memory(256 /*10*i*/);
+		if (!ptr) {
+			metal_log(METAL_LOG_DEBUG, "failed to allocate memmory\n");
+		        rv = (void *)-ENOMEM;
+			break;
+		}
+
+		metal_free_memory(ptr);
+	}
+
+	return rv;
+}
+
+static int alloc(void)
+{
+	const int threads = 10;
+	int rc;
+
+	rc =  metal_run(threads, alloc_thread, NULL);
+
+	return rc;
+}
+METAL_ADD_TEST(alloc);