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Soby Mathew5e5c2072014-04-07 15:28:55 +01001/*
Jeenu Viswambharan4fd361b2017-07-19 16:06:27 +01002 * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
Soby Mathew5e5c2072014-04-07 15:28:55 +01003 *
dp-armfa3cf0b2017-05-03 09:38:09 +01004 * SPDX-License-Identifier: BSD-3-Clause
Soby Mathew5e5c2072014-04-07 15:28:55 +01005 */
Dan Handleyea596682015-04-01 17:34:24 +01006#ifndef __PLAT_MACROS_S__
7#define __PLAT_MACROS_S__
8
Dan Handley2b6b5742015-03-19 19:17:53 +00009#include <arm_macros.S>
10#include <v2m_def.h>
Dan Handleybe234f92014-08-04 16:11:15 +010011#include "../fvp_def.h"
Soby Mathew5e5c2072014-04-07 15:28:55 +010012
Soby Mathew5e5c2072014-04-07 15:28:55 +010013 /* ---------------------------------------------
Dan Handley2b6b5742015-03-19 19:17:53 +000014 * The below required platform porting macro
Jeenu Viswambharan4fd361b2017-07-19 16:06:27 +010015 * prints out relevant GIC registers whenever an
16 * unhandled exception is taken in BL31.
Soby Mathew383c4772014-09-01 12:29:27 +010017 * Clobbers: x0 - x10, x16, x17, sp
Soby Mathew5e5c2072014-04-07 15:28:55 +010018 * ---------------------------------------------
19 */
Gerald Lejeune2c7ed5b2015-11-26 15:47:53 +010020 .macro plat_crash_print_regs
Dan Handley2b6b5742015-03-19 19:17:53 +000021 /*
22 * Detect if we're using the base memory map or
23 * the legacy VE memory map
24 */
25 mov_imm x0, (V2M_SYSREGS_BASE + V2M_SYS_ID)
Soby Mathew383c4772014-09-01 12:29:27 +010026 ldr w16, [x0]
27 /* Extract BLD (12th - 15th bits) from the SYS_ID */
Dan Handley2b6b5742015-03-19 19:17:53 +000028 ubfx x16, x16, #V2M_SYS_ID_BLD_SHIFT, #4
Soby Mathew383c4772014-09-01 12:29:27 +010029 /* Check if VE mmap */
30 cmp w16, #BLD_GIC_VE_MMAP
31 b.eq use_ve_mmap
Soby Mathew12012dd2015-10-26 14:01:53 +000032 /* Assume Base Cortex mmap */
Soby Mathew383c4772014-09-01 12:29:27 +010033 mov_imm x17, BASE_GICC_BASE
34 mov_imm x16, BASE_GICD_BASE
Soby Mathew12012dd2015-10-26 14:01:53 +000035 b print_gic_regs
Soby Mathew383c4772014-09-01 12:29:27 +010036use_ve_mmap:
37 mov_imm x17, VE_GICC_BASE
38 mov_imm x16, VE_GICD_BASE
Soby Mathew12012dd2015-10-26 14:01:53 +000039print_gic_regs:
Dan Handley2b6b5742015-03-19 19:17:53 +000040 arm_print_gic_regs
Soby Mathew0da95932014-07-16 09:23:52 +010041 .endm
Dan Handleyea596682015-04-01 17:34:24 +010042
43#endif /* __PLAT_MACROS_S__ */