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Diffstat (limited to '')
-rw-r--r-- | plat/nxp/common/setup/ls_stack_protector.c | 22 |
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(); +} |