/* * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #include #include #include #include /* ----------------------------------------------------------------------------- * File contains an EL2 equivalent of the EL3 vector table from: * .../bl1/aarch64/bl1_exceptions.S * ----------------------------------------------------------------------------- */ /* ----------------------------------------------------------------------------- * Very simple stackless exception handlers used by BL1. * ----------------------------------------------------------------------------- */ .globl bl1_exceptions vector_base bl1_exceptions /* ----------------------------------------------------- * Current EL with SP0 : 0x0 - 0x200 * ----------------------------------------------------- */ vector_entry SynchronousExceptionSP0 mov x0, #SYNC_EXCEPTION_SP_EL0 bl plat_report_exception no_ret plat_panic_handler end_vector_entry SynchronousExceptionSP0 vector_entry IrqSP0 mov x0, #IRQ_SP_EL0 bl plat_report_exception no_ret plat_panic_handler end_vector_entry IrqSP0 vector_entry FiqSP0 mov x0, #FIQ_SP_EL0 bl plat_report_exception no_ret plat_panic_handler end_vector_entry FiqSP0 vector_entry SErrorSP0 mov x0, #SERROR_SP_EL0 bl plat_report_exception no_ret plat_panic_handler end_vector_entry SErrorSP0 /* ----------------------------------------------------- * Current EL with SPx: 0x200 - 0x400 * ----------------------------------------------------- */ vector_entry SynchronousExceptionSPx mov x0, #SYNC_EXCEPTION_SP_ELX bl plat_report_exception no_ret plat_panic_handler end_vector_entry SynchronousExceptionSPx vector_entry IrqSPx mov x0, #IRQ_SP_ELX bl plat_report_exception no_ret plat_panic_handler end_vector_entry IrqSPx vector_entry FiqSPx mov x0, #FIQ_SP_ELX bl plat_report_exception no_ret plat_panic_handler end_vector_entry FiqSPx vector_entry SErrorSPx mov x0, #SERROR_SP_ELX bl plat_report_exception no_ret plat_panic_handler end_vector_entry SErrorSPx /* ----------------------------------------------------- * Lower EL using AArch64 : 0x400 - 0x600 * ----------------------------------------------------- */ vector_entry SynchronousExceptionA64 /* The current v8-R64 implementation does not support conduit calls */ b el2_panic end_vector_entry SynchronousExceptionA64 vector_entry IrqA64 mov x0, #IRQ_AARCH64 bl plat_report_exception no_ret plat_panic_handler end_vector_entry IrqA64 vector_entry FiqA64 mov x0, #FIQ_AARCH64 bl plat_report_exception no_ret plat_panic_handler end_vector_entry FiqA64 vector_entry SErrorA64 mov x0, #SERROR_AARCH64 bl plat_report_exception no_ret plat_panic_handler end_vector_entry SErrorA64 unexpected_sync_exception: mov x0, #SYNC_EXCEPTION_AARCH64 bl plat_report_exception no_ret plat_panic_handler /* ----------------------------------------------------- * Save Secure/Normal world context and jump to * BL1 SMC handler. * ----------------------------------------------------- */