1 /* 2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 #include <asm_macros.S> 7 #include <bl_common.h> 8 #include <v2m_def.h> 9 10 .globl plat_report_exception 11 12 13 /* --------------------------------------------- 14 * void plat_report_exception(unsigned int type) 15 * Function to report an unhandled exception 16 * with platform-specific means. 17 * On FVP platform, it updates the LEDs 18 * to indicate where we are 19 * --------------------------------------------- 20 */ 21 func plat_report_exception 22 mrs x1, CurrentEl 23 lsr x1, x1, #MODE_EL_SHIFT 24 lsl x1, x1, #V2M_SYS_LED_EL_SHIFT 25 lsl x0, x0, #V2M_SYS_LED_EC_SHIFT 26 mov x2, #(SECURE << V2M_SYS_LED_SS_SHIFT) 27 orr x0, x0, x2 28 orr x0, x0, x1 29 mov x1, #V2M_SYSREGS_BASE 30 add x1, x1, #V2M_SYS_LED 31 str w0, [x1] 32 ret 33 endfunc plat_report_exception 34