_csl_intcdispatchirq.c

来自「TI达芬奇dm644x各硬件模块测试代码」· C语言 代码 · 共 57 行

/*  ============================================================================
 *   Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005
 *
 *   Use of this software is controlled by the terms and conditions found in the
 *   license agreement under which this software has been supplied.
 *   ===========================================================================
 */

/**
 *  @file  _csl_intcDispatchIRQ.c
 *
 *  @brief  INTC Functional Layer: _CSL_intcDispatchIRQ(..)
 *
 *  Description
 *  - _CSL_intcDispatchIRQ(..) function definition
 *
 *  Modification
 *  - Modified on: 2004/06/12
 *  - Reason: creation
 *
 *  @date   2004/06/12
 *
 *  @author Francis S
 *
 */

#include <csl_intc.h>

#include <csl_sysData.h>

#include <_csl_intc0.h>
#include <_csl_intc1.h>

#include <_csl_intc.h>

#pragma CODE_SECTION (_CSL_intcDispatchIRQ, ".text");
interrupt
void
    _CSL_intcDispatchIRQ (
        void
)
{
    CSL_IntcEventHandlerRecord *irqHandlerRecord;

    irqHandlerRecord = (CSL_IntcEventHandlerRecord *)_CSL_intc1GetIRQEntry( );

    if (irqHandlerRecord == CSL_sysDataHandle->intcEventHandlerRecord) {
        return; /* spurious interrupt */
    }

    if (irqHandlerRecord->handler != _CSL_INTC_EVTHANDLER_UNPLUGGED) {
        (*irqHandlerRecord->handler)(irqHandlerRecord->arg);
    }

    _CSL_intc1AckIRQ(irqHandlerRecord->evtId - _CSL_INTC_EVENTID__INTC1START);
}