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-rw-r--r--tests/tcg/aarch64/mte-1.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/tcg/aarch64/mte-1.c b/tests/tcg/aarch64/mte-1.c
new file mode 100644
index 0000000000..88dcd617ad
--- /dev/null
+++ b/tests/tcg/aarch64/mte-1.c
@@ -0,0 +1,28 @@
+/*
+ * Memory tagging, basic pass cases.
+ *
+ * Copyright (c) 2021 Linaro Ltd
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "mte.h"
+
+int main(int ac, char **av)
+{
+ int *p0, *p1, *p2;
+ long c;
+
+ enable_mte(PR_MTE_TCF_NONE);
+ p0 = alloc_mte_mem(sizeof(*p0));
+
+ asm("irg %0,%1,%2" : "=r"(p1) : "r"(p0), "r"(1));
+ assert(p1 != p0);
+ asm("subp %0,%1,%2" : "=r"(c) : "r"(p0), "r"(p1));
+ assert(c == 0);
+
+ asm("stg %0, [%0]" : : "r"(p1));
+ asm("ldg %0, [%1]" : "=r"(p2) : "r"(p0), "0"(p0));
+ assert(p1 == p2);
+
+ return 0;
+}