1 /* 2 * Copyright 2018-2020 NXP 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 */ 7 8 #include <stdint.h> 9 10 #include <arch_helpers.h> 11 12 #include <plat/common/platform.h> 13 14 #define RANDOM_CANARY_VALUE ((u_register_t) 3288484550995823360ULL) 15 plat_get_stack_protector_canary(void)16u_register_t plat_get_stack_protector_canary(void) 17 { 18 /* 19 * TBD: Generate Random Number from NXP CAAM Block. 20 */ 21 return RANDOM_CANARY_VALUE ^ read_cntpct_el0(); 22 } 23