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Diffstat (limited to '')
-rw-r--r-- | plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c b/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c new file mode 100644 index 0000000..ae6af6c --- /dev/null +++ b/plat/arm/board/fvp_r/fvp_r_bl1_arch_setup.c @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include "../../../../bl1/bl1_private.h" +#include <arch.h> + +#include <fvp_r_arch_helpers.h> + +/******************************************************************************* + * 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); +} |