source: rtems/c/src/lib/libbsp/arm/gba/irq/irq.h @ c193baad

4.104.11
Last change on this file since c193baad was c193baad, checked in by Thomas Doerfler <Thomas.Doerfler@…>, on Apr 9, 2010 at 8:24:57 PM

unify irq data types and code, merge s3c2400/s3c2410 support

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/**
2 *  @file irq.h
3 *
4 *  This include file describe the data structure and the functions implemented
5 *  by rtems to write interrupt handlers.
6 */
7/*
8 *  RTEMS GBA BSP
9 *
10 *  Copyright (c) 2004  Markku Puro <markku.puro@kopteri.net>
11 *
12 *  The license and distribution terms for this file may be
13 *  found in found in the file LICENSE in this distribution or at
14 *  http://www.rtems.com/license/LICENSE.
15 *
16 *  $Id$
17 */
18
19#ifndef _IRQ_H_
20#define _IRQ_H_
21
22
23#ifdef __cplusplus
24extern "C" {
25#endif
26
27/*
28 * Include some preprocessor value also used by assember code
29 */
30
31#define VECTOR_TABLE  (&irq_vector_table[0])
32
33#include <stdint.h>
34#include <rtems/irq.h>
35#include <rtems.h>
36
37extern void default_int_handler(rtems_irq_hdl_param unused);
38
39/*---------------------------------------------------------------------------*
40 *  MACROS                                                                   *
41 *---------------------------------------------------------------------------*/
42
43#define ENABLE_IRQ()   GBA_REG_IME = 1;
44#define DISABLE_IRQ()  GBA_REG_IME = 0;
45
46
47/*-------------------------------------------------------------------------+
48| Constants
49+--------------------------------------------------------------------------*/
50
51typedef enum {
52  BSP_IRQ_VBLANK    = 0,
53  BSP_IRQ_HBLANK    = 1,
54  BSP_IRQ_VCOUNTER  = 2,
55  BSP_IRQ_TIMER0    = 3,
56  BSP_IRQ_TIMER1    = 4,
57  BSP_IRQ_TIMER2    = 5,
58  BSP_IRQ_TIMER3    = 6,
59  BSP_IRQ_SERIAL    = 7,
60  BSP_IRQ_DMA0      = 8,
61  BSP_IRQ_DMA1      = 9,
62  BSP_IRQ_DMA2      = 10,
63  BSP_IRQ_DMA3      = 11,
64  BSP_IRQ_KEY       = 12,
65  BSP_IRQ_CART      = 13,
66  BSP_IRQ_NA14      = 14,
67  BSP_IRQ_NA15      = 15,
68  BSP_MAX_INT       = 16  /**< BSP_MAX_INT <= _irq_max_vector in linkcmds */
69} rtems_irq_symbolic_name;
70
71
72extern void        _irq_max_vector;               /**< defined in lincmds    */
73extern uint32_t    irq_vector_table[BSP_MAX_INT]; /**< allocated in linkcmds */
74
75/*-------------------------------------------------------------------------+
76| Function Prototypes.
77+--------------------------------------------------------------------------*/
78/*
79 * ------------------------ RTEMS Single Irq Handler Mngt Routines ----------------
80 */
81
82/**
83 * @brief function to initialize the interrupt for a specific BSP
84 */
85void BSP_rtems_irq_mngt_init();
86
87#ifdef __cplusplus
88}
89#endif
90
91#endif /* _IRQ_H_ */
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