/* * Copyright (c) 2013, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include .globl runtime_exceptions #include .section .text, "ax"; .align 11 .align 7 runtime_exceptions: /* ----------------------------------------------------- * Current EL with _sp_el0 : 0x0 - 0x180 * ----------------------------------------------------- */ sync_exception_sp_el0: exception_entry save_regs mov x0, #SYNC_EXCEPTION_SP_EL0 mov x1, sp bl sync_exception_handler exception_exit restore_regs eret .align 7 irq_sp_el0: exception_entry save_regs mov x0, #IRQ_SP_EL0 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 fiq_sp_el0: exception_entry save_regs mov x0, #FIQ_SP_EL0 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 serror_sp_el0: exception_entry save_regs mov x0, #SERROR_SP_EL0 mov x1, sp bl async_exception_handler exception_exit restore_regs eret /* ----------------------------------------------------- * Current EL with SPx: 0x200 - 0x380 * ----------------------------------------------------- */ .align 7 sync_exception_sp_elx: exception_entry save_regs mov x0, #SYNC_EXCEPTION_SP_ELX mov x1, sp bl sync_exception_handler exception_exit restore_regs eret .align 7 irq_sp_elx: exception_entry save_regs mov x0, #IRQ_SP_ELX mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 fiq_sp_elx: exception_entry save_regs mov x0, #FIQ_SP_ELX mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 serror_sp_elx: exception_entry save_regs mov x0, #SERROR_SP_ELX mov x1, sp bl async_exception_handler exception_exit restore_regs eret /* ----------------------------------------------------- * Lower EL using AArch64 : 0x400 - 0x580 * ----------------------------------------------------- */ .align 7 sync_exception_aarch64: exception_entry save_regs mov x0, #SYNC_EXCEPTION_AARCH64 mov x1, sp bl sync_exception_handler exception_exit restore_regs eret .align 7 irq_aarch64: exception_entry save_regs mov x0, #IRQ_AARCH64 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 fiq_aarch64: exception_entry save_regs mov x0, #FIQ_AARCH64 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 serror_aarch64: exception_entry save_regs mov x0, #IRQ_AARCH32 mov x1, sp bl async_exception_handler exception_exit restore_regs eret /* ----------------------------------------------------- * Lower EL using AArch32 : 0x600 - 0x780 * ----------------------------------------------------- */ .align 7 sync_exception_aarch32: exception_entry save_regs mov x0, #SYNC_EXCEPTION_AARCH32 mov x1, sp bl sync_exception_handler exception_exit restore_regs eret .align 7 irq_aarch32: exception_entry save_regs mov x0, #IRQ_AARCH32 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 fiq_aarch32: exception_entry save_regs mov x0, #FIQ_AARCH32 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7 serror_aarch32: exception_entry save_regs mov x0, #SERROR_AARCH32 mov x1, sp bl async_exception_handler exception_exit restore_regs eret .align 7