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/**
* @file
*
* @brief CPU ISR Vector Install
*/
/*
* Copyright (c) 2011 Sebastian Huber. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/armv7m.h>
#include <rtems/score/isr.h>
#ifdef ARM_MULTILIB_ARCH_V7M
void _CPU_ISR_install_vector(
uint32_t vector,
CPU_ISR_handler new_handler,
CPU_ISR_handler *old_handler
)
{
uint32_t level;
_ISR_Local_disable( level );
if ( old_handler != NULL ) {
*old_handler = _ARMV7M_Get_exception_handler( (int) vector );
}
_ARMV7M_Set_exception_handler( (int) vector, new_handler );
_ISR_Local_enable( level );
}
#endif /* ARM_MULTILIB_ARCH_V7M */
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