123 lines
3.3 KiB
ArmAsm
123 lines
3.3 KiB
ArmAsm
/*
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* Copyright (c) 2013-2019, 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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#include <arch.h>
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#include <asm_macros.S>
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#include <drivers/console.h>
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#include <platform_def.h>
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.weak plat_report_exception
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.weak plat_reset_handler
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.weak plat_disable_acp
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.weak bl1_plat_prepare_exit
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.weak plat_panic_handler
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.weak bl31_plat_enable_mmu
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.weak bl32_plat_enable_mmu
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.weak plat_handle_uncontainable_ea
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.weak plat_handle_double_fault
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.weak plat_handle_el3_ea
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#define MPIDR_RES_BIT_MASK 0xff000000
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform.
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* -----------------------------------------------------
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*/
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func plat_report_exception
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ret
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endfunc plat_report_exception
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform. This function should preserve x19 - x29.
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* -----------------------------------------------------
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*/
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func plat_reset_handler
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ret
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endfunc plat_reset_handler
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/* -----------------------------------------------------
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* Placeholder function which should be redefined by
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* each platform. This function is allowed to use
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* registers x0 - x17.
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* -----------------------------------------------------
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*/
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func plat_disable_acp
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ret
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endfunc plat_disable_acp
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/* -----------------------------------------------------
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* void bl1_plat_prepare_exit(entry_point_info_t *ep_info);
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* Called before exiting BL1. Default: do nothing
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* -----------------------------------------------------
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*/
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func bl1_plat_prepare_exit
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ret
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endfunc bl1_plat_prepare_exit
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/* -----------------------------------------------------
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* void plat_panic_handler(void) __dead2;
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* Endless loop by default.
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* -----------------------------------------------------
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*/
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func plat_panic_handler
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wfi
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b plat_panic_handler
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endfunc plat_panic_handler
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/* -----------------------------------------------------
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* void bl31_plat_enable_mmu(uint32_t flags);
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*
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* Enable MMU in BL31.
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* -----------------------------------------------------
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*/
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func bl31_plat_enable_mmu
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b enable_mmu_direct_el3
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endfunc bl31_plat_enable_mmu
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/* -----------------------------------------------------
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* void bl32_plat_enable_mmu(uint32_t flags);
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*
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* Enable MMU in BL32.
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* -----------------------------------------------------
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*/
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func bl32_plat_enable_mmu
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b enable_mmu_direct_el1
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endfunc bl32_plat_enable_mmu
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/* -----------------------------------------------------
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* Platform handler for Uncontainable External Abort.
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*
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* x0: EA reason
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* x1: EA syndrome
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* -----------------------------------------------------
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*/
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func plat_handle_uncontainable_ea
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b report_unhandled_exception
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endfunc plat_handle_uncontainable_ea
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/* -----------------------------------------------------
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* Platform handler for Double Fault.
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*
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* x0: EA reason
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* x1: EA syndrome
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* -----------------------------------------------------
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*/
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func plat_handle_double_fault
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b report_unhandled_exception
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endfunc plat_handle_double_fault
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/* -----------------------------------------------------
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* Platform handler for EL3 External Abort.
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* -----------------------------------------------------
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*/
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func plat_handle_el3_ea
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b report_unhandled_exception
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endfunc plat_handle_el3_ea
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