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

Change-Id: I6e862146c3b591e671c526302bb1aad787f6bb83
2019-03-12 15:49:01 +09:00
parent 70b42fde5d
commit f6f48b1210
14 changed files with 1304 additions and 0 deletions
--- a/test/uti/arm64/CT19.c
+++ b/test/uti/arm64/CT19.c
@@ -0,0 +1,129 @@
+/* CT19.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 <unistd.h>
+#include <sys/syscall.h>   /* For SYS_xxx definitions */
+#include <linux/futex.h>
+#include <sys/time.h>
+#include <string.h>
+#include "uti.h"
+
+int passed, sem, flag;
+pthread_t thr;
+#define TS2NS(sec, nsec) \
+	((unsigned long)(sec) * 1000000000ULL + \
+	 (unsigned long)(nsec))
+
+void *util_thread(void *arg)
+{
+	int rc;
+	struct timespec start, timeout, end;
+	unsigned long elapsed;
+
+	rc = syscall(__NR_get_system);
+	if (rc == -1) {
+		fprintf(stderr, "CT19100 running on Linux CPU OK\n");
+	}
+	else {
+		fprintf(stderr, "CT19100 running on Linux CPU NG (%d)\n", rc);
+	}
+
+	passed = 1;
+
+	rc = clock_gettime(CLOCK_MONOTONIC, &start);
+	if (rc != 0) {
+		fprintf(stderr, "clock_gettime failed\n");
+		return NULL;
+	}
+	fprintf(stderr, "start=%ld.%09ld\n", start.tv_sec, start.tv_nsec);
+
+	timeout.tv_sec = start.tv_sec;
+	timeout.tv_nsec = start.tv_nsec + 800UL * 1000 * 1000;
+	if (timeout.tv_nsec > 1000UL * 1000 * 1000) {
+		timeout.tv_sec += 1;
+		timeout.tv_nsec -= 1000UL * 1000 * 1000;
+	}
+	/* timeout - clock_gettime(CLOCK_MONOTONIC) */
+	rc = syscall(__NR_futex, &sem, FUTEX_WAIT_BITSET,
+			0, &timeout, NULL, 0x12345678);
+	fprintf(stderr, "op=%x\n", FUTEX_WAIT_BITSET);
+
+	rc = clock_gettime(CLOCK_MONOTONIC, &end);
+	if (rc != 0) {
+		fprintf(stderr, "clock_gettime failed\n");
+		return NULL;
+	}
+	fprintf(stderr, "end=%ld.%09ld\n", end.tv_sec, end.tv_nsec);
+
+	if (rc != 0) {
+		fprintf(stderr, "CT19101 FUTEX_WAIT NG (%s)\n",
+			strerror(errno));
+	}
+	else {
+		fprintf(stderr, "CT19101 FUTEX_WAIT OK\n");
+	}
+
+	elapsed = TS2NS(end.tv_sec, end.tv_nsec) -
+			TS2NS(start.tv_sec, start.tv_nsec);
+	if (flag == 0 || elapsed < 800UL * 1000 * 1000 +
+		80UL * 1000 * 1000) {
+		fprintf(stderr, "CT19102 timeout OK\n");
+	}
+	else {
+		fprintf(stderr, "CT19101 timeout NG\n");
+	}
+	return NULL;
+}
+
+int main(int argc, char **argv)
+{
+	int rc;
+
+	fprintf(stderr, "CT19001 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, "CT19002 pthread_create OK\n");
+
+	while (!passed) {
+		cpu_pause();
+	}
+	usleep(2000 * 1000UL);
+
+	flag = 1;
+	rc = syscall(__NR_futex, &sem, FUTEX_WAKE_BITSET,
+			1, NULL, NULL, 0x12345678);
+	if (rc != 0) {
+		fprintf(stderr,
+			"CT19003 FUTEX_WAKE missing the waiter NG (%d,%s)\n",
+			rc, strerror(errno));
+	}
+	else {
+		fprintf(stderr,
+			"CT19003 FUTEX_WAKE missing the waiter OK\n");
+	}
+
+	pthread_join(thr, NULL);
+	fprintf(stderr, "CT19004 pthread_join OK\n");
+
+	fprintf(stderr, "CT19005 END\n");
+	exit(0);
+}