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

Change-Id: I6e862146c3b591e671c526302bb1aad787f6bb83

test/uti/arm64/CT12.c

@@ -0,0 +1,90 @@
+/* CT12.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 <linux/futex.h>
+#include <sys/time.h>
+#include "uti.h"
+
+int passed = 0, sem = 0;
+pthread_t thr;
+
+void *util_thread(void *arg)
+{
+	int rc;
+
+	rc = syscall(__NR_get_system);
+	if (rc == -1) {
+		fprintf(stderr,
+			"CT12100 running on Linux CPU OK\n");
+	}
+	else {
+		fprintf(stderr,
+			"CT12100 running on Linux CPU NG (%d)\n",
+			rc);
+	}
+	passed = 1;
+
+	rc = syscall(__NR_futex, &sem,
+			FUTEX_WAIT, 0, NULL, NULL, 0);
+	if (rc != 0) {
+		fprintf(stderr,
+			"CT12101 FUTEX_WAIT NG (%s)\n",
+			strerror(errno));
+	}
+	else {
+		fprintf(stderr,
+			"CT12101 FUTEX_WAIT OK\n");
+	}
+	return NULL;
+}
+
+int main(int argc, char **argv)
+{
+	int rc;
+
+	fprintf(stderr, "CT12001 futex START\n");
+
+	rc = syscall(__NR_util_indicate_clone,
+			SPAWN_TO_REMOTE, NULL);
+	if (rc) {
+		fprintf(stderr,
+			"util_indicate_clone rc=%d, errno=%d\n",
+			rc, errno);
+		fflush(stderr);
+	}
+
+	rc = pthread_create(&thr, NULL, util_thread, NULL);
+	if (rc) {
+		fprintf(stderr, "pthread_create: %d\n", rc);
+		exit(1);
+	}
+	fprintf(stderr, "CT12002 pthread_create OK\n");
+
+	while (!passed) {
+		cpu_pause();
+	}
+	usleep(100000);
+
+	rc = syscall(__NR_futex, &sem,
+			FUTEX_WAKE, 1, NULL, NULL, 0);
+	if (rc != 1) {
+		fprintf(stderr,
+			"CT12003 FUTEX_WAKE NG (%d,%s)\n",
+			rc, strerror(errno));
+	}
+	else {
+		fprintf(stderr, "CT12003 FUTEX_WAKE OK\n");
+	}
+
+	pthread_join(thr, NULL);
+	fprintf(stderr, "CT12004 pthread_join OK\n");
+
+	fprintf(stderr, "CT12005 END\n");
+	exit(0);
+}