1/* 2 * Copyright (c) 2021, Arm Limited. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7#include <arch.h> 8#include <asm_macros.S> 9#include <common/bl_common.h> 10 11 .globl bl2_run_next_image 12 13 14func bl2_run_next_image 15 mov x20,x0 16 /* --------------------------------------------- 17 * MMU needs to be disabled because both BL2 and BL31 execute 18 * in EL3, and therefore share the same address space. 19 * BL31 will initialize the address space according to its 20 * own requirement. 21 * --------------------------------------------- 22 */ 23 bl disable_mmu_icache_el3 24 tlbi alle3 25 bl bl2_el3_plat_prepare_exit 26 27#if ENABLE_PAUTH 28 /* --------------------------------------------- 29 * Disable pointer authentication before jumping 30 * to next boot image. 31 * --------------------------------------------- 32 */ 33 bl pauth_disable_el3 34#endif /* ENABLE_PAUTH */ 35 36 ldp x0, x1, [x20, #ENTRY_POINT_INFO_PC_OFFSET] 37 msr elr_el3, x0 38 msr spsr_el3, x1 39 40 ldp x6, x7, [x20, #(ENTRY_POINT_INFO_ARGS_OFFSET + 0x30)] 41 ldp x4, x5, [x20, #(ENTRY_POINT_INFO_ARGS_OFFSET + 0x20)] 42 ldp x2, x3, [x20, #(ENTRY_POINT_INFO_ARGS_OFFSET + 0x10)] 43 ldp x0, x1, [x20, #(ENTRY_POINT_INFO_ARGS_OFFSET + 0x0)] 44 exception_return 45endfunc bl2_run_next_image 46