source: mainline/arch/ia64/include/interrupt.h@ 586262f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 586262f was d0c5901, checked in by Jakub Vana <jakub.vana@…>, 19 years ago

IA64 uspace keyboard kernel part

  • Property mode set to 100644
File size: 3.4 KB
Line 
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
32#include <typedefs.h>
33#include <arch/types.h>
34#include <arch/register.h>
35
36#define IRQ_COUNT 257 /* 256 NOT suppotred IRQS*//* TODO */
37#define IRQ_KBD 256 /* One simulated interrupt for ski simulator keyboard*/
38
39/** External Interrupt vectors. */
40#define INTERRUPT_TIMER 0
41#define INTERRUPT_SPURIOUS 15
42
43/** General Exception codes. */
44#define GE_ILLEGALOP 0
45#define GE_PRIVOP 1
46#define GE_PRIVREG 2
47#define GE_RESREGFLD 3
48#define GE_DISBLDISTRAN 4
49#define GE_ILLEGALDEP 8
50
51#define EOI 0 /**< The actual value doesn't matter. */
52
53struct istate {
54 __r128 f2;
55 __r128 f3;
56 __r128 f4;
57 __r128 f5;
58 __r128 f6;
59 __r128 f7;
60 __r128 f8;
61 __r128 f9;
62 __r128 f10;
63 __r128 f11;
64 __r128 f12;
65 __r128 f13;
66 __r128 f14;
67 __r128 f15;
68 __r128 f16;
69 __r128 f17;
70 __r128 f18;
71 __r128 f19;
72 __r128 f20;
73 __r128 f21;
74 __r128 f22;
75 __r128 f23;
76 __r128 f24;
77 __r128 f25;
78 __r128 f26;
79 __r128 f27;
80 __r128 f28;
81 __r128 f29;
82 __r128 f30;
83 __r128 f31;
84
85 __address ar_bsp;
86 __address ar_bspstore;
87 __address ar_bspstore_new;
88 __u64 ar_rnat;
89 __u64 ar_ifs;
90 __u64 ar_pfs;
91 __u64 ar_rsc;
92 __address cr_ifa;
93 cr_isr_t cr_isr;
94 __address cr_iipa;
95 psr_t cr_ipsr;
96 __address cr_iip;
97 __u64 pr;
98 __address sp;
99
100 /*
101 * The following variables are defined only for break_instruction handler.
102 */
103 __u64 in0;
104 __u64 in1;
105 __u64 in2;
106 __u64 in3;
107 __u64 in4;
108};
109
110static inline void istate_set_retaddr(istate_t *istate, __address retaddr)
111{
112 istate->cr_iip = retaddr;
113 istate->cr_ipsr.ri = 0; /* return to instruction slot #0 */
114}
115
116extern void *ivt;
117
118extern void general_exception(__u64 vector, istate_t *istate);
119extern int break_instruction(__u64 vector, istate_t *istate);
120extern void universal_handler(__u64 vector, istate_t *istate);
121extern void nop_handler(__u64 vector, istate_t *istate);
122extern void external_interrupt(__u64 vector, istate_t *istate);
123extern void virtual_interrupt(__u64 irq, void *param);
124extern void disabled_fp_register(__u64 vector, istate_t *istate);
125
126
127
128#endif
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