Subversion Repositories HelenOS-historic

Rev

Rev 993 | Rev 1053 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
431 jermar 1
/*
2
 * Copyright (C) 2005 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 __ia64_INTERRUPT_H__
30
#define __ia64_INTERRUPT_H__
31
 
958 jermar 32
#include <typedefs.h>
470 jermar 33
#include <arch/types.h>
472 jermar 34
#include <arch/register.h>
470 jermar 35
 
472 jermar 36
/** External Interrupt vectors. */
433 jermar 37
#define INTERRUPT_TIMER     0
38
#define INTERRUPT_SPURIOUS  15
39
 
472 jermar 40
/** General Exception codes. */
41
#define GE_ILLEGALOP        0
42
#define GE_PRIVOP       1
43
#define GE_PRIVREG      2
44
#define GE_RESREGFLD        3
45
#define GE_DISBLDISTRAN     4
46
#define GE_ILLEGALDEP       8
47
 
435 jermar 48
#define EOI 0       /**< The actual value doesn't matter. */
49
 
958 jermar 50
struct istate {
470 jermar 51
    __address ar_bsp;
52
    __address ar_bspstore;
915 jermar 53
    __address ar_bspstore_new;
470 jermar 54
    __u64 ar_rnat;
55
    __u64 ar_ifs;
56
    __u64 ar_pfs;
57
    __u64 ar_rsc;
58
    __address cr_ifa;
472 jermar 59
    cr_isr_t cr_isr;
470 jermar 60
    __address cr_iipa;
921 jermar 61
    psr_t cr_ipsr;
470 jermar 62
    __address cr_iip;
63
    __u64 pr;
912 jermar 64
    __address sp;
921 jermar 65
 
66
    /*
67
     * The following variables are defined only for break_instruction handler.
68
     */
69
    __u64 in0;
70
    __u64 in1;
71
    __u64 in2;
72
    __u64 in3;
962 jermar 73
    __u64 in4;
993 jermar 74
};
431 jermar 75
 
470 jermar 76
extern void *ivt;
77
 
958 jermar 78
extern void general_exception(__u64 vector, istate_t *istate);
79
extern int break_instruction(__u64 vector, istate_t *istate);
80
extern void universal_handler(__u64 vector, istate_t *istate);
1023 vana 81
extern void nop_handler(__u64 vector, istate_t *istate);
958 jermar 82
extern void external_interrupt(__u64 vector, istate_t *istate);
1023 vana 83
extern void disabled_fp_register(__u64 vector, istate_t *istate);
470 jermar 84
 
1023 vana 85
 
86
 
431 jermar 87
#endif