48 lines
1.0 KiB
ArmAsm
48 lines
1.0 KiB
ArmAsm
/*
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* Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <common/debug.h>
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.globl el2_panic
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/***********************************************************
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* The common implementation of do_panic for all BL stages
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***********************************************************/
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.section .rodata.panic_str, "aS"
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panic_msg: .asciz "PANIC at PC : 0x"
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/*
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* el2_panic will be redefined by the
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* crash reporting mechanism (if enabled)
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*/
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el2_panic:
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mov x6, x30
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bl plat_crash_console_init
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/* Check if the console is initialized */
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cbz x0, _panic_handler
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/* The console is initialized */
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adr x4, panic_msg
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bl asm_print_str
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mov x4, x6
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/* The panic location is lr -4 */
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sub x4, x4, #4
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bl asm_print_hex
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bl plat_crash_console_flush
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_panic_handler:
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/* Pass to plat_panic_handler the address from where el2_panic was
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* called, not the address of the call from el2_panic.
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*/
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mov x30, x6
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b plat_panic_handler
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