/* * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include "../../../../bl1/bl1_private.h" #include #include /******************************************************************************* * Function that does the first bit of architectural setup that affects * execution in the non-secure address space. ******************************************************************************/ void bl1_arch_setup(void) { /* v8-R64 does not include SCRs. */ } /******************************************************************************* * Set the Secure EL1 required architectural state ******************************************************************************/ void bl1_arch_next_el_setup(void) { u_register_t next_sctlr; /* Use the same endianness than the current BL */ next_sctlr = (read_sctlr_el2() & SCTLR_EE_BIT); /* Set SCTLR Secure EL1 */ next_sctlr |= SCTLR_EL1_RES1; write_sctlr_el1(next_sctlr); }