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/* $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 <machine/asm.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/arm/arm/vectors.S 139735 2005-01-05 21:58:49Z imp $");
/*
* 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