Subversion Repositories HelenOS

Rev

Rev 470 | Rev 501 | 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
470 jermar 3
 * Copyright (C) 2005 Jakub Vana
431 jermar 4
 * All rights reserved.
5
 *
6
 * Redistribution and use in source and binary forms, with or without
7
 * modification, are permitted provided that the following conditions
8
 * are met:
9
 *
10
 * - Redistributions of source code must retain the above copyright
11
 *   notice, this list of conditions and the following disclaimer.
12
 * - Redistributions in binary form must reproduce the above copyright
13
 *   notice, this list of conditions and the following disclaimer in the
14
 *   documentation and/or other materials provided with the distribution.
15
 * - The name of the author may not be used to endorse or promote products
16
 *   derived from this software without specific prior written permission.
17
 *
18
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 *
29
 */
30
 
31
#include <arch/interrupt.h>
32
#include <panic.h>
433 jermar 33
#include <print.h>
431 jermar 34
#include <arch/types.h>
35
#include <arch/asm.h>
36
#include <arch/barrier.h>
432 jermar 37
#include <arch/register.h>
435 jermar 38
#include <arch/drivers/it.h>
433 jermar 39
#include <arch.h>
470 jermar 40
#include <symtab.h>
41
#include <debug.h>
431 jermar 42
 
470 jermar 43
#define VECTORS_64_BUNDLE   20
44
#define VECTORS_16_BUNDLE   48
45
#define VECTORS_16_BUNDLE_START 0x5000
46
#define VECTOR_MAX      0x7f00
47
 
48
#define BUNDLE_SIZE     16
49
 
50
char *vector_names_64_bundle[VECTORS_64_BUNDLE] = {
51
    "VHPT Translation vector",
52
    "Instruction TLB vector",
53
    "Data TLB vector",
54
    "Alternate Instruction TLB vector",
55
    "Alternate Data TLB vector",
56
    "Data Nested TLB vector",
57
    "Instruction Key Miss vector",
58
    "Data Key Miss vector",
59
    "Dirty-Bit vector",
60
    "Instruction Access-Bit vector",
61
    "Data Access-Bit vector"
62
    "Break Instruction vector",
63
    "External Interrupt vector"
64
    "Reserved",
65
    "Reserved",
66
    "Reserved",
67
    "Reserved",
68
    "Reserved",
69
    "Reserved",
70
    "Reserved"
71
};
72
 
73
char *vector_names_16_bundle[VECTORS_16_BUNDLE] = {
74
    "Page Not Present vector",
75
    "Key Permission vector",
76
    "Instruction Access rights vector",
77
    "Data Access Rights vector",
78
    "General Exception vector",
79
    "Disabled FP-Register vector",
80
    "NaT Consumption vector",
81
    "Speculation vector",
82
    "Reserved",
83
    "Debug vector",
84
    "Unaligned Reference vector",
85
    "Unsupported Data Reference vector",
86
    "Floating-point Fault vector",
87
    "Floating-point Trap vector",
88
    "Lower-Privilege Transfer Trap vector",
89
    "Taken Branch Trap vector",
90
    "Single STep Trap vector",
91
    "Reserved",
92
    "Reserved",
93
    "Reserved",
94
    "Reserved",
95
    "Reserved",
96
    "Reserved",
97
    "Reserved",
98
    "Reserved",
99
    "IA-32 Exception vector",
100
    "IA-32 Intercept vector",
101
    "IA-32 Interrupt vector",
102
    "Reserved",
103
    "Reserved",
104
    "Reserved"
105
};
106
 
107
static char *vector_to_string(__u16 vector);
472 jermar 108
static void dump_interrupted_context(struct exception_regdump *pstate);
470 jermar 109
 
110
char *vector_to_string(__u16 vector)
431 jermar 111
{
470 jermar 112
    ASSERT(vector <= VECTOR_MAX);
113
 
114
    if (vector >= VECTORS_16_BUNDLE_START)
115
        return vector_names_16_bundle[(vector-VECTORS_16_BUNDLE_START)/(16*BUNDLE_SIZE)];
116
    else
117
        return vector_names_64_bundle[vector/(64*BUNDLE_SIZE)];
118
}
119
 
472 jermar 120
void dump_interrupted_context(struct exception_regdump *pstate)
470 jermar 121
{
122
    char *ifa, *iipa, *iip;
123
 
124
    ifa = get_symtab_entry(pstate->cr_ifa);
125
    iipa = get_symtab_entry(pstate->cr_iipa);
126
    iip = get_symtab_entry(pstate->cr_iip);
127
 
128
    putchar('\n');
472 jermar 129
    printf("Interrupted context dump:\n");
470 jermar 130
    printf("ar.bsp=%P\tar.bspstore=%P\n", pstate->ar_bsp, pstate->ar_bspstore);
131
    printf("ar.rnat=%Q\tar.rsc=%Q\n", pstate->ar_rnat, pstate->ar_rsc);
132
    printf("ar.ifs=%Q\tar.pfs=%Q\n", pstate->ar_ifs, pstate->ar_pfs);
472 jermar 133
    printf("cr.isr=%Q\tcr.ips=%Q\t\n", pstate->cr_isr.value, pstate->cr_ips);
470 jermar 134
 
472 jermar 135
    printf("cr.iip=%Q, #%d\t(%s)\n", pstate->cr_iip, pstate->cr_isr.ei ,iip ? iip : "?");
136
    printf("cr.iipa=%Q\t(%s)\n", pstate->cr_iipa, iipa ? iipa : "?");
137
    printf("cr.ifa=%Q\t(%s)\n", pstate->cr_ifa, ifa ? ifa : "?");
470 jermar 138
}
139
 
140
void general_exception(__u64 vector, struct exception_regdump *pstate)
141
{
472 jermar 142
    char *desc = "";
143
 
144
    dump_interrupted_context(pstate);
145
 
146
    switch (pstate->cr_isr.ge_code) {
147
        case GE_ILLEGALOP:
148
        desc = "Illegal Operation fault";
149
        break;
150
        case GE_PRIVOP:
151
        desc = "Privileged Operation fault";
152
        break;
153
        case GE_PRIVREG:
154
        desc = "Privileged Register fault";
155
        break;
156
        case GE_RESREGFLD:
157
        desc = "Reserved Register/Field fault";
158
        break;
159
        case GE_DISBLDISTRAN:
160
        desc = "Disabled Instruction Set Transition fault";
161
        break;
162
        case GE_ILLEGALDEP:
163
        desc = "Illegal Dependency fault";
164
        break;
165
        default:
166
            desc = "unknown";
167
        break;
168
    }
169
 
170
    panic("General Exception (%s)\n", desc);
470 jermar 171
}
172
 
173
void break_instruction(__u64 vector, struct exception_regdump *pstate)
174
{
472 jermar 175
    dump_interrupted_context(pstate);
470 jermar 176
    panic("Break Instruction\n");
177
}
178
 
179
void universal_handler(__u64 vector, struct exception_regdump *pstate)
180
{
472 jermar 181
    dump_interrupted_context(pstate);
470 jermar 182
    panic("Interruption: %W (%s)\n", (__u16) vector, vector_to_string(vector));
183
}
184
 
185
void external_interrupt(__u64 vector, struct exception_regdump *pstate)
186
{
433 jermar 187
    cr_ivr_t ivr;
431 jermar 188
 
433 jermar 189
    ivr.value = ivr_read();
431 jermar 190
    srlz_d();
444 vana 191
 
434 jermar 192
    switch(ivr.vector) {
433 jermar 193
        case INTERRUPT_TIMER:
435 jermar 194
        it_interrupt();
433 jermar 195
            break;
196
        case INTERRUPT_SPURIOUS:
197
            printf("cpu%d: spurious interrupt\n", CPU->id);
198
        break;
431 jermar 199
        default:
433 jermar 200
        panic("\nUnhandled External Interrupt Vector %d\n", ivr.vector);
201
        break;
431 jermar 202
    }
203
}