RTEMS: bsps/powerpc/virtex5/include/bsp/irq.h Source File

| RTEMS 5.4-rc2

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irq.h
1/*===============================================================*\
2| Project: RTEMS virtex BSP |
3+-----------------------------------------------------------------+
4| Copyright (c) 2007 |
5| Embedded Brains GmbH |
6| Obere Lagerstr. 30 |
7| D-82178 Puchheim |
8| Germany |
9| rtems@embedded-brains.de |
10+-----------------------------------------------------------------+
11| The license and distribution terms for this file may be |
12| found in the file LICENSE in this distribution or at |
13| |
14| http://www.rtems.org/license/LICENSE. |
15| |
16+-----------------------------------------------------------------+
17| this file declares constants of the interrupt controller |
18\*===============================================================*/
19#ifndef VIRTEX5_IRQ_IRQ_H
20#define VIRTEX5_IRQ_IRQ_H
21
22#include <rtems/irq.h>
23#include <bsp/irq-default.h>
24
25/*
26 * the following definitions specify the indices used
27 * to interface the interrupt handler API
28 */
29
30/*
31 * Peripheral IRQ handlers related definitions
32 */
33 /* Not supported at this level */
34
35/*
36 * Processor IRQ handlers related definitions
37 */
38#define BSP_PROCESSOR_IRQ_NUMBER 3
39#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET 0
40#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET\
41 +BSP_PROCESSOR_IRQ_NUMBER-1)
42
43#define BSP_IS_PROCESSOR_IRQ(irqnum) \
44 (((irqnum) >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET) && \
45 ((irqnum) <= BSP_PROCESSOR_IRQ_MAX_OFFSET))
46
47/*
48 * Summary
49 */
50#define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET+1)
51#define BSP_LOWEST_OFFSET BSP_PROCESSOR_IRQ_LOWEST_OFFSET
52#define BSP_MAX_OFFSET BSP_PROCESSOR_IRQ_MAX_OFFSET
53
54#define BSP_IS_VALID_IRQ(irqnum) (BSP_IS_PROCESSOR_IRQ(irqnum))
55
56#ifndef ASM
57#ifdef __cplusplus
58extern "C" {
59#endif
60
61/*
62 * index table for the module specific handlers, a few entries are only placeholders
63 */
64 typedef enum {
65 BSP_EXT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 0,
66 BSP_PIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 1,
67 BSP_CRIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 2
68 } rtems_irq_symbolic_name;
69
70 extern rtems_irq_connect_data *BSP_rtems_irq_tbl;
71 void BSP_irqexc_on_fnc(const rtems_irq_connect_data *conn_data);
72 void BSP_irqexc_off_fnc(const rtems_irq_connect_data *unused);
73 void BSP_rtems_irq_mngt_init(unsigned cpuId);
74
75#define BSP_DEC BSP_PIT
76#define BSP_DECREMENTER BSP_PIT
77
78#ifdef __cplusplus
79}
80#endif
81#endif /* ASM */
82
83#endif /* VIRTEX5_IRQ_IRQ_H */
irq.h
irq-default.h
__rtems_irq_connect_data__
Definition: irq.h:45