00001 /* 00002 * Copyright (C) 2006 by egnite Software GmbH. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the copyright holders nor the names of 00014 * contributors may be used to endorse or promote products derived 00015 * from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS 00018 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00019 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00020 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE 00021 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00022 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00023 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 00024 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 00025 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00026 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 00027 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00028 * SUCH DAMAGE. 00029 * 00030 * For additional information see http://www.ethernut.de/ 00031 * 00032 */ 00033 00034 /* 00035 * $Log$ 00036 * Revision 1.2 2006/06/28 17:10:15 haraldkipp 00037 * Include more general header file for ARM. 00038 * 00039 * Revision 1.1 2006/03/02 19:43:11 haraldkipp 00040 * Added MCU specific hardware initialization routine. This should be done 00041 * later for all MCUs to avoid contaminating NutInit() with MCU specific 00042 * stuff. For the AT91 the spurious interrupt handler has been added, 00043 * which fixes SF 1440948. 00044 * 00045 */ 00046 00047 #include <arch/arm.h> 00048 #include <dev/irqreg.h> 00049 00053 static void SpuriousEntry(void) __attribute__ ((naked)); 00054 void SpuriousEntry(void) 00055 { 00056 IRQ_ENTRY(); 00057 IRQ_EXIT(); 00058 } 00059 00063 void McuInit(void) 00064 { 00065 /* Set the vector. */ 00066 outr(AIC_SPU, (unsigned int)SpuriousEntry); 00067 }