forked from Imagelibrary/rtems
45 lines
930 B
C
45 lines
930 B
C
/**
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* @file
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*
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* @ingroup bsp_interrupt
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*
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* @brief LPC24XX interrupt support.
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*/
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/*
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* Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <rtems/score/armv4.h>
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#include <bsp.h>
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#include <bsp/irq.h>
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#include <bsp/irq-generic.h>
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#include <bsp/lpc24xx.h>
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#ifdef ARM_MULTILIB_ARCH_V4
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void bsp_interrupt_dispatch(void)
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{
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/* Read current vector number */
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rtems_vector_number vector = VICVectAddr;
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/* Enable interrupts in program status register */
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uint32_t psr = _ARMV4_Status_irq_enable();
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/* Dispatch interrupt handlers */
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bsp_interrupt_handler_dispatch(vector);
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/* Restore program status register */
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_ARMV4_Status_restore(psr);
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/* Acknowledge interrupt */
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VICVectAddr = 0;
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}
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#endif /* ARM_MULTILIB_ARCH_V4 */
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