Subversion Repositories HelenOS

Rev

Rev 2608 | Rev 4338 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
431 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
431 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
 
1888 jermar 29
/** @addtogroup ia64interrupt
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1888 jermar 35
#ifndef KERN_ia64_INTERRUPT_H_
36
#define KERN_ia64_INTERRUPT_H_
431 jermar 37
 
470 jermar 38
#include <arch/types.h>
472 jermar 39
#include <arch/register.h>
470 jermar 40
 
1942 jermar 41
/** ia64 has 256 INRs. */
42
#define INR_COUNT   256
1265 jermar 43
 
1942 jermar 44
/*
45
 * We need to keep this just to compile.
46
 * We might eventually move interrupt/ stuff
47
 * to genarch.
48
 */
49
#define IVT_ITEMS       0
50
#define IVT_FIRST       0
51
 
472 jermar 52
/** External Interrupt vectors. */
2064 vana 53
#define INTERRUPT_TIMER     255
2516 vana 54
#define IRQ_KBD         241
55
#define IRQ_MOUSE       252
433 jermar 56
#define INTERRUPT_SPURIOUS  15
57
 
472 jermar 58
/** General Exception codes. */
59
#define GE_ILLEGALOP        0
60
#define GE_PRIVOP       1
61
#define GE_PRIVREG      2
62
#define GE_RESREGFLD        3
63
#define GE_DISBLDISTRAN     4
64
#define GE_ILLEGALDEP       8
65
 
435 jermar 66
#define EOI 0       /**< The actual value doesn't matter. */
67
 
2089 decky 68
typedef struct {
69
    uint128_t f2;
70
    uint128_t f3;
71
    uint128_t f4;
72
    uint128_t f5;
73
    uint128_t f6;
74
    uint128_t f7;
75
    uint128_t f8;
76
    uint128_t f9;
77
    uint128_t f10;
78
    uint128_t f11;
79
    uint128_t f12;
80
    uint128_t f13;
81
    uint128_t f14;
82
    uint128_t f15;
83
    uint128_t f16;
84
    uint128_t f17;
85
    uint128_t f18;
86
    uint128_t f19;
87
    uint128_t f20;
88
    uint128_t f21;
89
    uint128_t f22;
90
    uint128_t f23;
91
    uint128_t f24;
92
    uint128_t f25;
93
    uint128_t f26;
94
    uint128_t f27;
95
    uint128_t f28;
96
    uint128_t f29;
97
    uint128_t f30;
98
    uint128_t f31;
1265 jermar 99
 
1780 jermar 100
    uintptr_t ar_bsp;
101
    uintptr_t ar_bspstore;
102
    uintptr_t ar_bspstore_new;
103
    uint64_t ar_rnat;
104
    uint64_t ar_ifs;
105
    uint64_t ar_pfs;
106
    uint64_t ar_rsc;
107
    uintptr_t cr_ifa;
472 jermar 108
    cr_isr_t cr_isr;
1780 jermar 109
    uintptr_t cr_iipa;
921 jermar 110
    psr_t cr_ipsr;
1780 jermar 111
    uintptr_t cr_iip;
112
    uint64_t pr;
113
    uintptr_t sp;
921 jermar 114
 
115
    /*
2608 jermar 116
     * The following variables are defined only for break_instruction
117
     * handler.
921 jermar 118
     */
1780 jermar 119
    uint64_t in0;
120
    uint64_t in1;
121
    uint64_t in2;
122
    uint64_t in3;
123
    uint64_t in4;
2608 jermar 124
    uint64_t in5;
125
    uint64_t in6;
2089 decky 126
} istate_t;
431 jermar 127
 
1780 jermar 128
static inline void istate_set_retaddr(istate_t *istate, uintptr_t retaddr)
1288 jermar 129
{
1295 jermar 130
    istate->cr_iip = retaddr;
131
    istate->cr_ipsr.ri = 0;     /* return to instruction slot #0 */
1288 jermar 132
}
133
 
1780 jermar 134
static inline unative_t istate_get_pc(istate_t *istate)
1595 palkovsky 135
{
136
    return istate->cr_iip;
137
}
1888 jermar 138
 
1595 palkovsky 139
static inline int istate_from_uspace(istate_t *istate)
140
{
1942 jermar 141
    return (istate->cr_iip) < 0xe000000000000000ULL;
1595 palkovsky 142
}
143
 
470 jermar 144
extern void *ivt;
145
 
1780 jermar 146
extern void general_exception(uint64_t vector, istate_t *istate);
147
extern int break_instruction(uint64_t vector, istate_t *istate);
148
extern void universal_handler(uint64_t vector, istate_t *istate);
149
extern void nop_handler(uint64_t vector, istate_t *istate);
150
extern void external_interrupt(uint64_t vector, istate_t *istate);
151
extern void disabled_fp_register(uint64_t vector, istate_t *istate);
470 jermar 152
 
431 jermar 153
#endif
1702 cejka 154
 
1888 jermar 155
/** @}
1702 cejka 156
 */