Subversion Repositories HelenOS

Rev

Rev 2071 | Rev 4344 | Go to most recent revision | Only display areas with differences | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2071 Rev 2927
1
/*
1
/*
2
 * Copyright (c) 2001-2004 Jakub Jermar
2
 * Copyright (c) 2001-2004 Jakub Jermar
3
 * All rights reserved.
3
 * All rights reserved.
4
 *
4
 *
5
 * Redistribution and use in source and binary forms, with or without
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
6
 * modification, are permitted provided that the following conditions
7
 * are met:
7
 * are met:
8
 *
8
 *
9
 * - Redistributions of source code must retain the above copyright
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
12
 *   notice, this list of conditions and the following disclaimer in the
13
 *   documentation and/or other materials provided with the distribution.
13
 *   documentation and/or other materials provided with the distribution.
14
 * - The name of the author may not be used to endorse or promote products
14
 * - The name of the author may not be used to endorse or promote products
15
 *   derived from this software without specific prior written permission.
15
 *   derived from this software without specific prior written permission.
16
 *
16
 *
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
27
 */
28
 
28
 
29
/** @addtogroup ia32   
29
/** @addtogroup ia32   
30
 * @{
30
 * @{
31
 */
31
 */
32
/** @file
32
/** @file
33
 */
33
 */
34
 
34
 
35
#ifndef KERN_ia32_I8259_H_
35
#ifndef KERN_ia32_I8259_H_
36
#define KERN_ia32_I8259_H_
36
#define KERN_ia32_I8259_H_
37
 
37
 
38
#include <arch/types.h>
38
#include <arch/types.h>
39
#include <arch/interrupt.h>
39
#include <arch/interrupt.h>
40
 
40
 
41
#define PIC_PIC0PORT1   0x20
41
#define PIC_PIC0PORT1   0x20
42
#define PIC_PIC0PORT2   0x21
42
#define PIC_PIC0PORT2   0x21
43
#define PIC_PIC1PORT1   0xa0
43
#define PIC_PIC1PORT1   0xa0
44
#define PIC_PIC1PORT2   0xa1
44
#define PIC_PIC1PORT2   0xa1
45
 
45
 
46
#define PIC_NEEDICW4    (1<<0)
46
#define PIC_NEEDICW4    (1<<0)
47
#define PIC_ICW1    (1<<4)
47
#define PIC_ICW1    (1<<4)
48
 
48
 
49
extern void i8259_init(void);
49
extern void i8259_init(void);
50
extern void pic_enable_irqs(uint16_t irqmask);
50
extern void pic_enable_irqs(uint16_t irqmask);
51
extern void pic_disable_irqs(uint16_t irqmask);
51
extern void pic_disable_irqs(uint16_t irqmask);
52
extern void pic_eoi(void);
52
extern void pic_eoi(void);
53
 
53
 
54
#endif
54
#endif
55
 
55
 
56
/** @}
56
/** @}
57
 */
57
 */
58
 
58