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-rw-r--r--plat/qti/common/src/qti_stack_protector.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/plat/qti/common/src/qti_stack_protector.c b/plat/qti/common/src/qti_stack_protector.c
new file mode 100644
index 0000000..572830f
--- /dev/null
+++ b/plat/qti/common/src/qti_stack_protector.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <stdint.h>
+
+#include <platform.h>
+#include <platform_def.h>
+#include <qti_rng.h>
+#include <qtiseclib_interface.h>
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+ u_register_t random = 0x0;
+
+ /*
+ * get random data , the below API doesn't return random = 0 on success
+ */
+ qti_rng_get_data((uint8_t *) &random, sizeof(random));
+ assert(random != 0x0);
+
+ return random;
+}