Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 22 insertions, 0 deletions

diff --git a/plat/nxp/common/setup/ls_stack_protector.c b/plat/nxp/common/setup/ls_stack_protector.c
new file mode 100644
index 0000000..ab78f88
--- /dev/null
+++ b/plat/nxp/common/setup/ls_stack_protector.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2018-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stdint.h>
+
+#include <arch_helpers.h>
+
+#include <plat/common/platform.h>
+
+#define RANDOM_CANARY_VALUE ((u_register_t) 3288484550995823360ULL)
+
+u_register_t plat_get_stack_protector_canary(void)
+{
+	/*
+	 * TBD: Generate Random Number from NXP CAAM Block.
+	 */
+	return RANDOM_CANARY_VALUE ^ read_cntpct_el0();
+}