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authorFerass El Hafidi <vitali64pmemail@protonmail.com>2023-05-08 19:03:10 +0200
committerFerass El Hafidi <vitali64pmemail@protonmail.com>2023-05-08 19:03:10 +0200
commitf9ed707f171c8069e99e24e24c3da73d8b6f5716 (patch)
tree4da9838d387c8bc260e83f3f51f5dfa83e0b48ae /common/aarch64/early_exceptions.S
downloadamlogic-bl2-master.tar.gz
Push old Amlogic BL2 sourcesHEADmaster
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+/*
+ * Copyright (c) 2013-2014, 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 <asm_macros.S>
+#include <runtime_svc.h>
+
+ .globl early_exceptions
+
+ .section .vectors, "ax"; .align 11
+
+ /* -----------------------------------------------------
+ * Very simple stackless exception handlers used by BL2
+ * and BL3-1 bootloader stages. BL3-1 uses them before
+ * stacks are setup. BL2 uses them throughout.
+ * -----------------------------------------------------
+ */
+ .align 7
+early_exceptions:
+ /* -----------------------------------------------------
+ * Current EL with SP0 : 0x0 - 0x180
+ * -----------------------------------------------------
+ */
+SynchronousExceptionSP0:
+ mov x0, #SYNC_EXCEPTION_SP_EL0
+ bl plat_report_exception
+ b SynchronousExceptionSP0
+ check_vector_size SynchronousExceptionSP0
+
+ .align 7
+IrqSP0:
+ mov x0, #IRQ_SP_EL0
+ bl plat_report_exception
+ b IrqSP0
+ check_vector_size IrqSP0
+
+ .align 7
+FiqSP0:
+ mov x0, #FIQ_SP_EL0
+ bl plat_report_exception
+ b FiqSP0
+ check_vector_size FiqSP0
+
+ .align 7
+SErrorSP0:
+ mov x0, #SERROR_SP_EL0
+ bl plat_report_exception
+ b SErrorSP0
+ check_vector_size SErrorSP0
+
+ /* -----------------------------------------------------
+ * Current EL with SPx: 0x200 - 0x380
+ * -----------------------------------------------------
+ */
+ .align 7
+SynchronousExceptionSPx:
+ mov x0, #SYNC_EXCEPTION_SP_ELX
+ bl plat_report_exception
+ b SynchronousExceptionSPx
+ check_vector_size SynchronousExceptionSPx
+
+ .align 7
+IrqSPx:
+ mov x0, #IRQ_SP_ELX
+ bl plat_report_exception
+ b IrqSPx
+ check_vector_size IrqSPx
+
+ .align 7
+FiqSPx:
+ mov x0, #FIQ_SP_ELX
+ bl plat_report_exception
+ b FiqSPx
+ check_vector_size FiqSPx
+
+ .align 7
+SErrorSPx:
+ mov x0, #SERROR_SP_ELX
+ bl plat_report_exception
+ b SErrorSPx
+ check_vector_size SErrorSPx
+
+ /* -----------------------------------------------------
+ * Lower EL using AArch64 : 0x400 - 0x580
+ * -----------------------------------------------------
+ */
+ .align 7
+SynchronousExceptionA64:
+ mov x0, #SYNC_EXCEPTION_AARCH64
+ bl plat_report_exception
+ b SynchronousExceptionA64
+ check_vector_size SynchronousExceptionA64
+
+ .align 7
+IrqA64:
+ mov x0, #IRQ_AARCH64
+ bl plat_report_exception
+ b IrqA64
+ check_vector_size IrqA64
+
+ .align 7
+FiqA64:
+ mov x0, #FIQ_AARCH64
+ bl plat_report_exception
+ b FiqA64
+ check_vector_size FiqA64
+
+ .align 7
+SErrorA64:
+ mov x0, #SERROR_AARCH64
+ bl plat_report_exception
+ b SErrorA64
+ check_vector_size SErrorA64
+
+ /* -----------------------------------------------------
+ * Lower EL using AArch32 : 0x0 - 0x180
+ * -----------------------------------------------------
+ */
+ .align 7
+SynchronousExceptionA32:
+ mov x0, #SYNC_EXCEPTION_AARCH32
+ bl plat_report_exception
+ b SynchronousExceptionA32
+ check_vector_size SynchronousExceptionA32
+
+ .align 7
+IrqA32:
+ mov x0, #IRQ_AARCH32
+ bl plat_report_exception
+ b IrqA32
+ check_vector_size IrqA32
+
+ .align 7
+FiqA32:
+ mov x0, #FIQ_AARCH32
+ bl plat_report_exception
+ b FiqA32
+ check_vector_size FiqA32
+
+ .align 7
+SErrorA32:
+ mov x0, #SERROR_AARCH32
+ bl plat_report_exception
+ b SErrorA32
+ check_vector_size SErrorA32