1/* 2 * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30#include <asm_macros.S> 31#include <bl_common.h> 32#include <v2m_def.h> 33 34 .globl plat_report_exception 35 36 37 /* --------------------------------------------- 38 * void plat_report_exception(unsigned int type) 39 * Function to report an unhandled exception 40 * with platform-specific means. 41 * On FVP platform, it updates the LEDs 42 * to indicate where we are 43 * --------------------------------------------- 44 */ 45func plat_report_exception 46 mrs x1, CurrentEl 47 lsr x1, x1, #MODE_EL_SHIFT 48 lsl x1, x1, #V2M_SYS_LED_EL_SHIFT 49 lsl x0, x0, #V2M_SYS_LED_EC_SHIFT 50 mov x2, #(SECURE << V2M_SYS_LED_SS_SHIFT) 51 orr x0, x0, x2 52 orr x0, x0, x1 53 mov x1, #V2M_SYSREGS_BASE 54 add x1, x1, #V2M_SYS_LED 55 str w0, [x1] 56 ret 57endfunc plat_report_exception 58