58 lines
2.2 KiB
ArmAsm
58 lines
2.2 KiB
ArmAsm
/*
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* Copyright (c) 2013-2014, 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 <arch.h>
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#include <platform.h>
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.globl plat_report_exception
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.section .text, "ax"
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/* ---------------------------------------------
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* void plat_report_exception(unsigned int type)
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* Function to report an unhandled exception
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* with platform-specific means.
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* On FVP platform, it updates the LEDs
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* to indicate where we are
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* ---------------------------------------------
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*/
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plat_report_exception:
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mrs x1, CurrentEl
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lsr x1, x1, #MODE_EL_SHIFT
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lsl x1, x1, #SYS_LED_EL_SHIFT
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lsl x0, x0, #SYS_LED_EC_SHIFT
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mov x2, #(SECURE << SYS_LED_SS_SHIFT)
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orr x0, x0, x2
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orr x0, x0, x1
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mov x1, #VE_SYSREGS_BASE
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add x1, x1, #V2M_SYS_LED
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str w0, [x1]
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ret
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