_csl_intc.h

来自「TI达芬奇dm644x各硬件模块测试代码」· C头文件 代码 · 共 94 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.
 *   ===========================================================================
 */
#ifndef __CSL_INTC_H_
#define __CSL_INTC_H_

#define _CSL_INTC_EVTHANDLER_UNPLUGGED                                    \
    ((CSL_IntcEventHandler) 0)

/*
 * ======================================================
 *   @func   _csl_intcDispatchFIQ.c
 *   @desc   the FIQ dispatcher
 *
 *
 *   @ret  void
 *
 *              This is the FIQ dispatcher that gets plugged to the FIQ
 *              exception-vector on the ARM core, when L<dispatcherInit>
 *              is called. Thus, on reception of an FIQ, this FIQ dispatcher
 *              gets executed, which then probes the level-1 and level-2
 *              interrupt-controllers to find the source of the interrupt.
 *              It then calls the Interrupt Service Routine ("Event Handler")
 *              corresponding to the interrupt-number, if one is plugged, to
 *              service the interrupt. Before passing on control to the
 *              interrupted code, it also "acknowledges" the receipt of
 *              the interrupt to the controllers to enable the generation
 *              of a new FIQ.
 *
 *
 *   @eg
 *
 *
 * ======================================================
*/

interrupt
void
    _CSL_intcDispatchFIQ (
        void
);

/*
 * ======================================================
 *   @func   _csl_intcDispatchIRQ.c
 *   @desc   the IRQ dispatcher
 *
 *
 *   @ret  void
 *
 *              This is the IRQ dispatcher that gets plugged to the IRQ
 *              exception-vector on the ARM core, when L<dispatcherInit>
 *              is called. Thus, on reception of an IRQ, this IRQ dispatcher
 *              gets executed, which then probes the level-1 and level-2
 *              interrupt-controllers to find the source of the interrupt.
 *              It then calls the Interrupt Service Routine ("Event Handler")
 *              corresponding to the interrupt-number, if one is plugged, to
 *              service the interrupt. Before passing on control to the
 *              interrupted code, it also "acknowledges" the receipt of
 *              the interrupt to the controllers to enable the generation
 *              of a new IRQ.
 *
 *
 *   @eg
 *
 *
 * ======================================================
*/

interrupt
void
    _CSL_intcDispatchIRQ (
        void
);


extern
CSL_BitMask32                _CSL_intcAllocMask[ ];

extern
CSL_BitMask32                _CSL_intcPriAllocMask[ ];

extern
CSL_IntcEventHandlerRecord   _CSL_intcEventHandlerRecord[ ];

extern
Uint32   _CSL_intcInterruptEntryTable[ ];

#endif /* __CSL_INTC_H_ */