Subversion Repositories HelenOS-historic

Rev

Rev 5 | Go to most recent revision | Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 1
/*
2
 * Copyright (C) 2001-2004 Jakub Jermar
3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
29
#ifndef __INTERRUPT_H__
30
#define __INTERRUPT_H__
31
 
32
#include <arch/types.h>
33
#include <arch/pm.h>
34
 
35
#define IVT_ITEMS       IDT_ITEMS
36
 
37
#define IVT_EXCBASE     0
38
#define EXCLAST         31
39
 
40
#define IVT_IRQBASE     (IVT_EXCBASE+EXCLAST+1)
41
#define IRQLAST         15
42
 
43
#define IVT_FREEBASE        (IVT_IRQBASE+IRQLAST+1)
44
 
45
#define IRQ_CLK     0
46
#define IRQ_KBD     1
47
#define IRQ_PIC1    2
48
#define IRQ_PIC_SPUR    7
49
 
50
/* this one must have four least significant bits set to ones */
51
#define VECTOR_APIC_SPUR    (IVT_ITEMS-1)
52
 
53
#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
54
#error Wrong definition of VECTOR_APIC_SPUR
55
#endif
56
 
57
#define VECTOR_PIC_SPUR     (IVT_IRQBASE+IRQ_PIC_SPUR)
58
#define VECTOR_CLK      (IVT_IRQBASE+IRQ_CLK)
59
#define VECTOR_KBD      (IVT_IRQBASE+IRQ_KBD)
60
 
61
#define VECTOR_SYSCALL      (IVT_FREEBASE+0)
62
 
63
typedef void (* iroutine)(__u8 n, __u32 stack[]);
64
 
65
extern iroutine ivt[IVT_ITEMS];
66
 
67
extern void (* disable_irqs_function)(__u16 irqmask);
68
extern void (* enable_irqs_function)(__u16 irqmask);
69
extern void (* eoi_function)(void);
70
 
71
extern iroutine trap_register(__u8 n, iroutine f);
72
 
73
extern void trap_dispatcher(__u8 n, __u32 stack[]);
74
 
75
extern void null_interrupt(__u8 n, __u32 stack[]);
76
extern void gp_fault(__u8 n, __u32 stack[]);
77
extern void page_fault(__u8 n, __u32 stack[]);
78
extern void syscall(__u8 n, __u32 stack[]);
79
 
80
extern void trap_virtual_enable_irqs(__u16 irqmask);
81
extern void trap_virtual_disable_irqs(__u16 irqmask);
82
extern void trap_virtual_eoi(void);
83
 
84
#endif