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/**
* @file irq.h
*
* This include file describe the data structure and the functions implemented
* by rtems to write interrupt handlers.
*/
/*
* RTEMS GBA BSP
*
* Copyright (c) 2004 Markku Puro <markku.puro@kopteri.net>
*
* The license and distribution terms for this file may be
* found in found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _IRQ_H_
#define _IRQ_H_
#ifdef __cplusplus
extern "C" {
#endif
/*
* Include some preprocessor value also used by assember code
*/
#define VECTOR_TABLE (&irq_vector_table[0])
#include <stdint.h>
#include <rtems/irq.h>
#include <rtems.h>
extern void default_int_handler(rtems_irq_hdl_param unused);
/*---------------------------------------------------------------------------*
* MACROS *
*---------------------------------------------------------------------------*/
#define ENABLE_IRQ() GBA_REG_IME = 1;
#define DISABLE_IRQ() GBA_REG_IME = 0;
/*-------------------------------------------------------------------------+
| Constants
+--------------------------------------------------------------------------*/
typedef enum {
BSP_IRQ_VBLANK = 0,
BSP_IRQ_HBLANK = 1,
BSP_IRQ_VCOUNTER = 2,
BSP_IRQ_TIMER0 = 3,
BSP_IRQ_TIMER1 = 4,
BSP_IRQ_TIMER2 = 5,
BSP_IRQ_TIMER3 = 6,
BSP_IRQ_SERIAL = 7,
BSP_IRQ_DMA0 = 8,
BSP_IRQ_DMA1 = 9,
BSP_IRQ_DMA2 = 10,
BSP_IRQ_DMA3 = 11,
BSP_IRQ_KEY = 12,
BSP_IRQ_CART = 13,
BSP_IRQ_NA14 = 14,
BSP_IRQ_NA15 = 15,
BSP_MAX_INT = 16 /**< BSP_MAX_INT <= _irq_max_vector in linkcmds */
} rtems_irq_symbolic_name;
extern void _irq_max_vector; /**< defined in lincmds */
extern uint32_t irq_vector_table[BSP_MAX_INT]; /**< allocated in linkcmds */
/*-------------------------------------------------------------------------+
| Function Prototypes.
+--------------------------------------------------------------------------*/
/*
* ------------------------ RTEMS Single Irq Handler Mngt Routines ----------------
*/
/**
* @brief function to initialize the interrupt for a specific BSP
*/
void BSP_rtems_irq_mngt_init();
#ifdef __cplusplus
}
#endif
#endif /* _IRQ_H_ */
|
