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/*
* Copyright (c) 2017-2021, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <platform_def.h>
#include <arch.h>
#include <asm_macros.S>
#include <common/bl_common.h>
#include <el3_common_macros.S>
.globl bl2_entrypoint
#if BL2_IN_XIP_MEM
#define FIXUP_SIZE 0
#else
#define FIXUP_SIZE ((BL2_LIMIT) - (BL2_BASE))
#endif
func bl2_entrypoint
/* Save arguments x0-x3 from previous Boot loader */
mov x20, x0
mov x21, x1
mov x22, x2
mov x23, x3
el3_entrypoint_common \
_init_sctlr=1 \
_warm_boot_mailbox=!PROGRAMMABLE_RESET_ADDRESS \
_secondary_cold_boot=!COLD_BOOT_SINGLE_CPU \
_init_memory=1 \
_init_c_runtime=1 \
_exception_vectors=bl2_el3_exceptions \
_pie_fixup_size=FIXUP_SIZE
/* ---------------------------------------------
* Restore parameters of boot rom
* ---------------------------------------------
*/
mov x0, x20
mov x1, x21
mov x2, x22
mov x3, x23
/* ---------------------------------------------
* Perform BL2 setup
* ---------------------------------------------
*/
bl bl2_el3_setup
#if ENABLE_PAUTH
/* ---------------------------------------------
* Program APIAKey_EL1 and enable pointer authentication.
* ---------------------------------------------
*/
bl pauth_init_enable_el3
#endif /* ENABLE_PAUTH */
/* ---------------------------------------------
* Jump to main function.
* ---------------------------------------------
*/
bl bl2_main
/* ---------------------------------------------
* Should never reach this point.
* ---------------------------------------------
*/
no_ret plat_panic_handler
endfunc bl2_entrypoint
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