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