/* $OpenBSD: vectors.S,v 1.1 2004/02/01 05:09:48 drahn Exp $ */ /* $NetBSD: vectors.S,v 1.4 2002/08/17 16:36:32 thorpej Exp $ */ /* * Copyright (C) 1994-1997 Mark Brinicombe * Copyright (C) 1994 Brini * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Brini. * 4. The name of Brini may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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 "assym.h" #include /* * These are the exception vectors copied down to page 0. * * Note that FIQs are special; rather than using a level of * indirection, we actually copy the FIQ code down into the * vector page. */ .text .align 0 .global _C_LABEL(page0), _C_LABEL(page0_data), _C_LABEL(page0_end) .global _C_LABEL(fiqvector) _C_LABEL(page0): ldr pc, .Lreset_target ldr pc, .Lundefined_target ldr pc, .Lswi_target ldr pc, .Lprefetch_abort_target ldr pc, .Ldata_abort_target ldr pc, .Laddress_exception_target ldr pc, .Lirq_target #ifdef __ARM_FIQ_INDIRECT ldr pc, .Lfiq_target #else .Lfiqvector: .set _C_LABEL(fiqvector), . - _C_LABEL(page0) subs pc, lr, #4 .org .Lfiqvector + 0x100 #endif _C_LABEL(page0_data): .Lreset_target: .word reset_entry .Lundefined_target: .word undefined_entry .Lswi_target: .word swi_entry .Lprefetch_abort_target: .word prefetch_abort_entry .Ldata_abort_target: .word data_abort_entry .Laddress_exception_target: .word address_exception_entry .Lirq_target: .word irq_entry #ifdef __ARM_FIQ_INDIRECT .Lfiq_target: .word _C_LABEL(fiqvector) #else .word 0 /* pad it out */ #endif _C_LABEL(page0_end): #ifdef __ARM_FIQ_INDIRECT .data .align 0 _C_LABEL(fiqvector): subs pc, lr, #4 .org _C_LABEL(fiqvector) + 0x100 #endif