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/*  intr.h
 *
 *  This include file contains all the constants and structures associated
 *  with the Interrupt Manager.
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: intr.h,v 1.2 2001-09-27 11:59:18 chris Exp $
 */
 
#ifndef __RTEMS_INTERRUPT_h
#define __RTEMS_INTERRUPT_h
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems/score/isr.h>
 
/*
 *  Interrupt level type
 */
 
typedef ISR_Level rtems_interrupt_level;
 
/*
 *  The following type defines the control block used to manage
 *  the vectors.
 */
 
typedef ISR_Vector_number rtems_vector_number;
 
/*
 *  Return type for ISR Handler
 */
 
typedef void rtems_isr;
 
/*
 *  Pointer to an ISR Handler
 */
 
typedef rtems_isr ( *rtems_isr_entry )(
                 rtems_vector_number
             );
 
/*
 *  _Interrupt_Manager_initialization
 *
 *  DESCRIPTION:
 *
 *  This routine initializes the interrupt manager.
 *
 */
 
void _Interrupt_Manager_initialization( void );
 
/*
 *  rtems_interrupt_catch
 *
 *  DESCRIPTION:
 *
 *  This routine implements the rtems_interrupt_catch directive.  This
 *  directive installs new_isr_handler as the RTEMS interrupt service
 *  routine for vector.  The previous RTEMS interrupt service
 *  routine is returned in old_isr_handler.
 */
 
rtems_status_code rtems_interrupt_catch(
  rtems_isr_entry      new_isr_handler,
  rtems_vector_number  vector,
  rtems_isr_entry     *old_isr_handler
);
 
/*
 *  rtems_interrupt_disable
 *
 *  DESCRIPTION:
 *
 *  This routine disables all maskable interrupts and returns the
 *  previous level in _isr_cookie.
 */
 
#define rtems_interrupt_disable( _isr_cookie ) \
    _ISR_Disable(_isr_cookie)
 
/*
 *  rtems_interrupt_enable
 *
 *  DESCRIPTION:
 *
 *  This routine enables maskable interrupts to the level indicated
 *  _isr_cookie.
 */
 
#define rtems_interrupt_enable( _isr_cookie ) \
    _ISR_Enable(_isr_cookie)
 
/*
 *  rtems_interrupt_flash
 *
 *  DESCRIPTION:
 *
 *  This routine temporarily enables maskable interrupts to the
 *  level in _isr_cookie before redisabling them.
 */
 
#define rtems_interrupt_flash( _isr_cookie ) \
    _ISR_Flash(_isr_cookie)
 
/*
 *  rtems_interrupt_is_in_progress
 *
 *  DESCRIPTION:
 *
 *  This function returns TRUE if the processor is currently servicing
 *  an interrupt and FALSE otherwise.   A return value of TRUE indicates
 *  that the caller is an interrupt service routine, NOT a thread.  The
 *  directives available to an interrupt service routine are restricted.
 */
 
#define rtems_interrupt_is_in_progress() \
    _ISR_Is_in_progress()
 
/*
 *  rtems_interrupt_cause
 *
 *  DESCRIPTION:
 *
 *  This routine generates an interrupt.
 *
 *  NOTE:  No implementation.
 */
 
#define rtems_interrupt_cause( _interrupt_to_cause )
 
/*
 *  rtems_interrupt_cause
 *
 *  DESCRIPTION:
 *
 *  This routine clears the specified interrupt.
 *
 *  NOTE:  No implementation.
 */
 
#define rtems_interrupt_clear( _interrupt_to_clear )
 
#ifdef __cplusplus
}
#endif
 
#endif
/* end of include file */

Line No.	Rev	Author	Line
1	30	unneback	`/* intr.h`
2			`*`
3			`* This include file contains all the constants and structures associated`
4			`* with the Interrupt Manager.`
5			`*`
6			`* COPYRIGHT (c) 1989-1999.`
7			`* On-Line Applications Research Corporation (OAR).`
8			`*`
9			`* The license and distribution terms for this file may be`
10			`* found in the file LICENSE in this distribution or at`
11			`* http://www.OARcorp.com/rtems/license.html.`
12			`*`
13			`* $Id: intr.h,v 1.2 2001-09-27 11:59:18 chris Exp $`
14			`*/`
15
16			`#ifndef __RTEMS_INTERRUPT_h`
17			`#define __RTEMS_INTERRUPT_h`
18
19			`#ifdef __cplusplus`
20			`extern "C" {`
21			`#endif`
22
23			`#include <rtems/score/isr.h>`
24
25			`/*`
26			`* Interrupt level type`
27			`*/`
28
29			`typedef ISR_Level rtems_interrupt_level;`
30
31			`/*`
32			`* The following type defines the control block used to manage`
33			`* the vectors.`
34			`*/`
35
36			`typedef ISR_Vector_number rtems_vector_number;`
37
38			`/*`
39			`* Return type for ISR Handler`
40			`*/`
41
42			`typedef void rtems_isr;`
43
44			`/*`
45			`* Pointer to an ISR Handler`
46			`*/`
47
48			`typedef rtems_isr ( *rtems_isr_entry )(`
49			`rtems_vector_number`
50			`);`
51
52			`/*`
53			`* _Interrupt_Manager_initialization`
54			`*`
55			`* DESCRIPTION:`
56			`*`
57			`* This routine initializes the interrupt manager.`
58			`*`
59			`*/`
60
61			`void _Interrupt_Manager_initialization( void );`
62
63			`/*`
64			`* rtems_interrupt_catch`
65			`*`
66			`* DESCRIPTION:`
67			`*`
68			`* This routine implements the rtems_interrupt_catch directive. This`
69			`* directive installs new_isr_handler as the RTEMS interrupt service`
70			`* routine for vector. The previous RTEMS interrupt service`
71			`* routine is returned in old_isr_handler.`
72			`*/`
73
74			`rtems_status_code rtems_interrupt_catch(`
75			`rtems_isr_entry new_isr_handler,`
76			`rtems_vector_number vector,`
77			`rtems_isr_entry *old_isr_handler`
78			`);`
79
80			`/*`
81			`* rtems_interrupt_disable`
82			`*`
83			`* DESCRIPTION:`
84			`*`
85			`* This routine disables all maskable interrupts and returns the`
86			`* previous level in _isr_cookie.`
87			`*/`
88
89			`#define rtems_interrupt_disable( _isr_cookie ) \`
90			`_ISR_Disable(_isr_cookie)`
91
92			`/*`
93			`* rtems_interrupt_enable`
94			`*`
95			`* DESCRIPTION:`
96			`*`
97			`* This routine enables maskable interrupts to the level indicated`
98			`* _isr_cookie.`
99			`*/`
100
101			`#define rtems_interrupt_enable( _isr_cookie ) \`
102			`_ISR_Enable(_isr_cookie)`
103
104			`/*`
105			`* rtems_interrupt_flash`
106			`*`
107			`* DESCRIPTION:`
108			`*`
109			`* This routine temporarily enables maskable interrupts to the`
110			`* level in _isr_cookie before redisabling them.`
111			`*/`
112
113			`#define rtems_interrupt_flash( _isr_cookie ) \`
114			`_ISR_Flash(_isr_cookie)`
115
116			`/*`
117			`* rtems_interrupt_is_in_progress`
118			`*`
119			`* DESCRIPTION:`
120			`*`
121			`* This function returns TRUE if the processor is currently servicing`
122			`* an interrupt and FALSE otherwise. A return value of TRUE indicates`
123			`* that the caller is an interrupt service routine, NOT a thread. The`
124			`* directives available to an interrupt service routine are restricted.`
125			`*/`
126
127			`#define rtems_interrupt_is_in_progress() \`
128			`_ISR_Is_in_progress()`
129
130			`/*`
131			`* rtems_interrupt_cause`
132			`*`
133			`* DESCRIPTION:`
134			`*`
135			`* This routine generates an interrupt.`
136			`*`
137			`* NOTE: No implementation.`
138			`*/`
139
140			`#define rtems_interrupt_cause( _interrupt_to_cause )`
141
142			`/*`
143			`* rtems_interrupt_cause`
144			`*`
145			`* DESCRIPTION:`
146			`*`
147			`* This routine clears the specified interrupt.`
148			`*`
149			`* NOTE: No implementation.`
150			`*/`
151
152			`#define rtems_interrupt_clear( _interrupt_to_clear )`
153
154			`#ifdef __cplusplus`
155			`}`
156			`#endif`
157
158			`#endif`
159			`/* end of include file */`

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [rtems/] [include/] [rtems/] [rtems/] [intr.h] - Blame information for rev 173