/* * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include /* ----------------------------------------------------------------------------- * Very simple stackless exception handlers used by BL2 and BL31 stages. * BL31 uses them before stacks are setup. BL2 uses them throughout. * ----------------------------------------------------------------------------- */ .globl early_exceptions vector_base early_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 check_vector_size SynchronousExceptionSP0 vector_entry IrqSP0 mov x0, #IRQ_SP_EL0 bl plat_report_exception no_ret plat_panic_handler check_vector_size IrqSP0 vector_entry FiqSP0 mov x0, #FIQ_SP_EL0 bl plat_report_exception no_ret plat_panic_handler check_vector_size FiqSP0 vector_entry SErrorSP0 mov x0, #SERROR_SP_EL0 bl plat_report_exception no_ret plat_panic_handler check_vector_size 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 check_vector_size SynchronousExceptionSPx vector_entry IrqSPx mov x0, #IRQ_SP_ELX bl plat_report_exception no_ret plat_panic_handler check_vector_size IrqSPx vector_entry FiqSPx mov x0, #FIQ_SP_ELX bl plat_report_exception no_ret plat_panic_handler check_vector_size FiqSPx vector_entry SErrorSPx mov x0, #SERROR_SP_ELX bl plat_report_exception no_ret plat_panic_handler check_vector_size SErrorSPx /* ----------------------------------------------------- * Lower EL using AArch64 : 0x400 - 0x600 * ----------------------------------------------------- */ vector_entry SynchronousExceptionA64 mov x0, #SYNC_EXCEPTION_AARCH64 bl plat_report_exception no_ret plat_panic_handler check_vector_size SynchronousExceptionA64 vector_entry IrqA64 mov x0, #IRQ_AARCH64 bl plat_report_exception no_ret plat_panic_handler check_vector_size IrqA64 vector_entry FiqA64 mov x0, #FIQ_AARCH64 bl plat_report_exception no_ret plat_panic_handler check_vector_size FiqA64 vector_entry SErrorA64 mov x0, #SERROR_AARCH64 bl plat_report_exception no_ret plat_panic_handler check_vector_size SErrorA64 /* ----------------------------------------------------- * Lower EL using AArch32 : 0x600 - 0x800 * ----------------------------------------------------- */ vector_entry SynchronousExceptionA32 mov x0, #SYNC_EXCEPTION_AARCH32 bl plat_report_exception no_ret plat_panic_handler check_vector_size SynchronousExceptionA32 vector_entry IrqA32 mov x0, #IRQ_AARCH32 bl plat_report_exception no_ret plat_panic_handler check_vector_size IrqA32 vector_entry FiqA32 mov x0, #FIQ_AARCH32 bl plat_report_exception no_ret plat_panic_handler check_vector_size FiqA32 vector_entry SErrorA32 mov x0, #SERROR_AARCH32 bl plat_report_exception no_ret plat_panic_handler check_vector_size SErrorA32