43 lines
1.1 KiB
ArmAsm
43 lines
1.1 KiB
ArmAsm
/*
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* Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef PLAT_MACROS_S
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#define PLAT_MACROS_S
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#include <arm_macros.S>
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#include <platform_def.h>
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/* ---------------------------------------------
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* The below required platform porting macro
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* prints out relevant GIC registers whenever an
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* unhandled exception is taken in BL31.
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* Clobbers: x0 - x10, x16, x17, sp
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* ---------------------------------------------
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*/
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.macro plat_crash_print_regs
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/*
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* Detect if we're using the base memory map or
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* the legacy VE memory map
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*/
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mov_imm x0, (V2M_SYSREGS_BASE + V2M_SYS_ID)
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ldr w16, [x0]
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/* Extract BLD (12th - 15th bits) from the SYS_ID */
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ubfx x16, x16, #V2M_SYS_ID_BLD_SHIFT, #4
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/* Check if VE mmap */
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cmp w16, #BLD_GIC_VE_MMAP
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b.eq use_ve_mmap
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/* Assume Base Cortex mmap */
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mov_imm x17, BASE_GICC_BASE
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mov_imm x16, BASE_GICD_BASE
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b print_gic_regs
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use_ve_mmap:
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mov_imm x17, VE_GICC_BASE
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mov_imm x16, VE_GICD_BASE
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print_gic_regs:
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arm_print_gic_regs
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.endm
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#endif /* PLAT_MACROS_S */
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