source: mainline/arch/ia32/include/interrupt.h@ 9149135

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 9149135 was 9149135, checked in by Jakub Jermar <jakub@…>, 20 years ago

SMP cleanup continued.
Add nice type for IO APIC ID register.
Replace some magic numbers with more descriptive macros.
  • Property mode set to 100644
File size: 3.1 KB
Line 
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 EXC_COUNT 32
38#define IRQ_COUNT 16
39
40#define IVT_EXCBASE 0
41#define IVT_IRQBASE (IVT_EXCBASE+EXC_COUNT)
42#define IVT_FREEBASE (IVT_IRQBASE+IRQ_COUNT)
43
44#define IRQ_CLK 0
45#define IRQ_KBD 1
46#define IRQ_PIC1 2
47#define IRQ_PIC_SPUR 7
48
49/* this one must have four least significant bits set to ones */
50#define VECTOR_APIC_SPUR (IVT_ITEMS-1)
51
52#if (((VECTOR_APIC_SPUR + 1)%16) || VECTOR_APIC_SPUR >= IVT_ITEMS)
53#error Wrong definition of VECTOR_APIC_SPUR
54#endif
55
56#define VECTOR_PIC_SPUR (IVT_IRQBASE+IRQ_PIC_SPUR)
57#define VECTOR_CLK (IVT_IRQBASE+IRQ_CLK)
58#define VECTOR_KBD (IVT_IRQBASE+IRQ_KBD)
59
60#define VECTOR_SYSCALL (IVT_FREEBASE+0)
61#define VECTOR_TLB_SHOOTDOWN_IPI (IVT_FREEBASE+1)
62#define VECTOR_WAKEUP_IPI (IVT_FREEBASE+2)
63
64typedef void (* iroutine)(__u8 n, __native stack[]);
65
66extern void (* disable_irqs_function)(__u16 irqmask);
67extern void (* enable_irqs_function)(__u16 irqmask);
68extern void (* eoi_function)(void);
69
70extern iroutine trap_register(__u8 n, iroutine f);
71
72extern void trap_dispatcher(__u8 n, __native stack[]);
73
74extern void null_interrupt(__u8 n, __native stack[]);
75extern void gp_fault(__u8 n, __native stack[]);
76extern void nm_fault(__u8 n, __native stack[]);
77extern void ss_fault(__u8 n, __native stack[]);
78extern void page_fault(__u8 n, __native stack[]);
79extern void syscall(__u8 n, __native stack[]);
80extern void tlb_shootdown_ipi(__u8 n, __native stack[]);
81extern void wakeup_ipi(__u8 n, __native stack[]);
82
83extern void trap_virtual_enable_irqs(__u16 irqmask);
84extern void trap_virtual_disable_irqs(__u16 irqmask);
85extern void trap_virtual_eoi(void);
86
87#endif
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