Test "Direct access to McKernel memory from Linux." on arm64

Change-Id: I6e862146c3b591e671c526302bb1aad787f6bb83

test/uti/arm64/CT16.c

@@ -0,0 +1,93 @@
+/* CT16.c COPYRIGHT FUJITSU LIMITED 2019 */
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <pthread.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <sys/mman.h>
+#include <signal.h>
+#include "uti.h"
+
+pthread_mutex_t mutex;
+pthread_cond_t cond;
+int passed, flag;
+pthread_t thr;
+
+void *util_thread(void *arg)
+{
+	int rc;
+
+	rc = syscall(__NR_get_system);
+	if (rc == -1) {
+		fprintf(stderr,
+			"CT16101 running on Linux OK\n");
+	}
+	else {
+		fprintf(stderr,
+			"CT16101 running on Linux NG (%d)\n", rc);
+	}
+	errno = 0;
+
+	passed = 1;
+	pthread_mutex_lock(&mutex);
+	while (!flag) {
+		pthread_cond_wait(&cond, &mutex);
+	}
+	flag = 0;
+	pthread_mutex_unlock(&mutex);
+
+	fprintf(stderr,
+		"CT16102 return from pthread_cond_wait() OK\n");
+
+	return NULL;
+}
+
+int main(int argc, char **argv)
+{
+	int rc;
+
+	pthread_mutex_init(&mutex, NULL);
+	pthread_cond_init(&cond, NULL);
+
+	fprintf(stderr, "CT16001 futex START\n");
+
+	rc = syscall(__NR_util_indicate_clone,
+			SPAWN_TO_REMOTE, NULL);
+	if (rc) {
+		fprintf(stderr,
+			"CT16002 util_indicate_clone NG (rc=%d, errno=%d)\n",
+			rc, errno);
+		fflush(stderr);
+	}
+	else {
+		fprintf(stderr, "CT16002 util_indicate_clone OK\n");
+	}
+
+	rc = pthread_create(&thr, NULL, util_thread, NULL);
+	if (rc) {
+		fprintf(stderr, "pthread_create: %d\n", rc);
+		exit(1);
+	}
+	fprintf(stderr, "CT16003 pthread_create OK\n");
+
+	while (!passed) {
+		cpu_pause();
+	}
+
+	/* Send debug message through serial takes 0.05 sec */
+	usleep(100 * 1000UL);
+
+	pthread_mutex_lock(&mutex);
+	flag = 1;
+	pthread_cond_signal(&cond);
+	pthread_mutex_unlock(&mutex);
+
+	pthread_join(thr, NULL);
+	fprintf(stderr, "CT16004 pthread_join OK\n");
+
+	fprintf(stderr, "CT16005 END\n");
+	exit(0);
+}