154 lines
4.5 KiB
ArmAsm
154 lines
4.5 KiB
ArmAsm
/*
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* Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <asm_macros.S>
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#include <bl_common.h>
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/* -----------------------------------------------------------------------------
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* Very simple stackless exception handlers used by BL2 and BL31 stages.
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* BL31 uses them before stacks are setup. BL2 uses them throughout.
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* -----------------------------------------------------------------------------
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*/
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.globl early_exceptions
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vector_base early_exceptions
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/* -----------------------------------------------------
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* Current EL with SP0 : 0x0 - 0x200
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* -----------------------------------------------------
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*/
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vector_entry SynchronousExceptionSP0
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mov x0, #SYNC_EXCEPTION_SP_EL0
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bl plat_report_exception
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b SynchronousExceptionSP0
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check_vector_size SynchronousExceptionSP0
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vector_entry IrqSP0
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mov x0, #IRQ_SP_EL0
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bl plat_report_exception
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b IrqSP0
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check_vector_size IrqSP0
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vector_entry FiqSP0
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mov x0, #FIQ_SP_EL0
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bl plat_report_exception
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b FiqSP0
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check_vector_size FiqSP0
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vector_entry SErrorSP0
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mov x0, #SERROR_SP_EL0
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bl plat_report_exception
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b SErrorSP0
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check_vector_size SErrorSP0
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/* -----------------------------------------------------
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* Current EL with SPx: 0x200 - 0x400
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* -----------------------------------------------------
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*/
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vector_entry SynchronousExceptionSPx
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mov x0, #SYNC_EXCEPTION_SP_ELX
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bl plat_report_exception
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b SynchronousExceptionSPx
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check_vector_size SynchronousExceptionSPx
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vector_entry IrqSPx
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mov x0, #IRQ_SP_ELX
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bl plat_report_exception
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b IrqSPx
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check_vector_size IrqSPx
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vector_entry FiqSPx
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mov x0, #FIQ_SP_ELX
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bl plat_report_exception
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b FiqSPx
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check_vector_size FiqSPx
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vector_entry SErrorSPx
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mov x0, #SERROR_SP_ELX
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bl plat_report_exception
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b SErrorSPx
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check_vector_size SErrorSPx
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/* -----------------------------------------------------
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* Lower EL using AArch64 : 0x400 - 0x600
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* -----------------------------------------------------
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*/
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vector_entry SynchronousExceptionA64
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mov x0, #SYNC_EXCEPTION_AARCH64
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bl plat_report_exception
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b SynchronousExceptionA64
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check_vector_size SynchronousExceptionA64
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vector_entry IrqA64
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mov x0, #IRQ_AARCH64
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bl plat_report_exception
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b IrqA64
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check_vector_size IrqA64
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vector_entry FiqA64
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mov x0, #FIQ_AARCH64
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bl plat_report_exception
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b FiqA64
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check_vector_size FiqA64
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vector_entry SErrorA64
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mov x0, #SERROR_AARCH64
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bl plat_report_exception
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b SErrorA64
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check_vector_size SErrorA64
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/* -----------------------------------------------------
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* Lower EL using AArch32 : 0x600 - 0x800
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* -----------------------------------------------------
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*/
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vector_entry SynchronousExceptionA32
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mov x0, #SYNC_EXCEPTION_AARCH32
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bl plat_report_exception
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b SynchronousExceptionA32
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check_vector_size SynchronousExceptionA32
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vector_entry IrqA32
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mov x0, #IRQ_AARCH32
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bl plat_report_exception
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b IrqA32
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check_vector_size IrqA32
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vector_entry FiqA32
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mov x0, #FIQ_AARCH32
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bl plat_report_exception
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b FiqA32
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check_vector_size FiqA32
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vector_entry SErrorA32
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mov x0, #SERROR_AARCH32
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bl plat_report_exception
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b SErrorA32
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check_vector_size SErrorA32
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