建立工程，成功创建两个虚拟串口

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

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdio.h>
+#include <metal/errno.h>
+#include "FreeRTOS.h"
+#include "task.h"
+#include <metal/sys.h>
+#include <metal/utilities.h>
+#include "metal-test.h"
+
+#define TEST_THREAD_STACK_SIZE 128
+
+typedef struct {
+		metal_thread_t thread_func;
+		void *arg;
+	} thread_wrap_arg_t;
+
+static void thread_wrapper(void *arg)
+{
+	thread_wrap_arg_t *wrap_p = (thread_wrap_arg_t *)arg;
+	(void)wrap_p->thread_func(wrap_p->arg);
+	vPortFree(wrap_p);
+	vTaskDelete(NULL);
+}       
+
+int metal_run(int threads, metal_thread_t child, void *arg)
+{
+	TaskHandle_t tids[threads];
+	int error, ts_created;
+
+	error = metal_run_noblock(threads, child, arg, (void *)tids, &ts_created);
+
+	metal_finish_threads(ts_created, (void *)tids);
+
+	return error;
+}
+
+
+int metal_run_noblock(int threads, metal_thread_t child,
+		     void *arg, void *tids, int *threads_out)
+{
+	int i;
+	TaskHandle_t *tid_p = (TaskHandle_t *)tids;
+	BaseType_t stat = pdPASS;
+	char tn[15];
+	thread_wrap_arg_t *wrap_p;
+
+	if (!tids) {
+		metal_log(METAL_LOG_ERROR, "invalid argument, tids is NULL.\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < threads; i++) {
+		snprintf(tn, metal_dim(tn), "%d", i);
+		wrap_p = pvPortMalloc(sizeof(thread_wrap_arg_t));
+		if (!wrap_p) {
+			metal_log(METAL_LOG_ERROR, "failed to allocate wrapper %d\n", i);
+			break;
+		}
+			
+		wrap_p->thread_func = child;
+		wrap_p->arg = arg;
+		stat = xTaskCreate(thread_wrapper, tn, TEST_THREAD_STACK_SIZE,
+				   wrap_p, 2, &tid_p[i]);
+		if (stat != pdPASS) {
+			metal_log(METAL_LOG_ERROR, "failed to create thread %d\n", i);
+			vPortFree(wrap_p);
+			break;
+		}
+	}
+
+	*threads_out = i;
+	return pdPASS == stat ? 0 : -ENOMEM;
+}
+
+
+void metal_finish_threads(int threads, void *tids)
+{
+	int i;
+	TaskHandle_t *tid_p = (TaskHandle_t *)tids;
+
+	if (!tids) {
+		metal_log(METAL_LOG_ERROR, "invalid argument, tids is NULL.\n");
+		return;
+	}
+
+	for (i = 0; i < threads; i++) {
+		eTaskState ts;
+		do {
+			taskYIELD();
+			ts=eTaskGetState(tid_p[i]);
+		} while (ts != eDeleted);
+	}
+}