arm-trusted-firmware/plat/nxp/common/setup/ls_stack_protector.c

23 lines
400 B
C

/*
* 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();
}