diff options
Diffstat (limited to 'plat/arm/board/fvp_r/fvp_r_debug.S')
| -rw-r--r-- | plat/arm/board/fvp_r/fvp_r_debug.S | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/plat/arm/board/fvp_r/fvp_r_debug.S b/plat/arm/board/fvp_r/fvp_r_debug.S new file mode 100644 index 000000000..88f0a29a0 --- /dev/null +++ b/plat/arm/board/fvp_r/fvp_r_debug.S @@ -0,0 +1,47 @@ +/* + * 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 |