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Rev 3022 Rev 4055
Line 84... Line 84...
84
 * CPU is interrupts_disable()'d.
84
 * CPU is interrupts_disable()'d.
85
 */
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 */
86
void exc_dispatch(int n, istate_t *istate)
86
void exc_dispatch(int n, istate_t *istate)
87
{
87
{
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    ASSERT(n < IVT_ITEMS);
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    ASSERT(n < IVT_ITEMS);
-
 
89
 
-
 
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#ifdef CONFIG_UDEBUG
-
 
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    if (THREAD) THREAD->udebug.uspace_state = istate;
-
 
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#endif
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93
   
90
    exc_table[n].f(n + IVT_FIRST, istate);
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    exc_table[n].f(n + IVT_FIRST, istate);
-
 
95
 
-
 
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#ifdef CONFIG_UDEBUG
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    if (THREAD) THREAD->udebug.uspace_state = NULL;
-
 
98
#endif
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91
    /* This is a safe place to exit exiting thread */
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    /* This is a safe place to exit exiting thread */
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    if (THREAD && THREAD->interrupted && istate_from_uspace(istate))
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    if (THREAD && THREAD->interrupted && istate_from_uspace(istate))
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        thread_exit();
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        thread_exit();
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}
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}
95
 
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Line 98... Line 107...
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{
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{
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    fault_if_from_uspace(istate, "Unhandled exception %d.", n);
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    fault_if_from_uspace(istate, "Unhandled exception %d.", n);
100
    panic("Unhandled exception %d.", n);
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    panic("Unhandled exception %d.", n);
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}
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}
102
 
111
 
-
 
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#ifdef CONFIG_KCONSOLE
-
 
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103
/** kconsole cmd - print all exceptions */
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/** kconsole cmd - print all exceptions */
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static int exc_print_cmd(cmd_arg_t *argv)
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static int cmd_exc_print(cmd_arg_t *argv)
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{
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{
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#if (IVT_ITEMS > 0)
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#if (IVT_ITEMS > 0)
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    unsigned int i;
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    unsigned int i;
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    char *symbol;
119
    char *symbol;
109
 
120
 
110
    spinlock_lock(&exctbl_lock);
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    spinlock_lock(&exctbl_lock);
111
   
122
 
112
    if (sizeof(void *) == 4) {
123
#ifdef __32_BITS__
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        printf("Exc Description          Handler    Symbol\n");
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    printf("Exc Description          Handler    Symbol\n");
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        printf("--- -------------------- ---------- --------\n");
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    printf("--- -------------------- ---------- --------\n");
115
    } else {
126
#endif
-
 
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-
 
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#ifdef __64_BITS__
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        printf("Exc Description          Handler            Symbol\n");
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    printf("Exc Description          Handler            Symbol\n");
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        printf("--- -------------------- ------------------ --------\n");
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    printf("--- -------------------- ------------------ --------\n");
118
    }
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#endif
119
   
132
   
120
    for (i = 0; i < IVT_ITEMS; i++) {
133
    for (i = 0; i < IVT_ITEMS; i++) {
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        symbol = get_symtab_entry((unative_t) exc_table[i].f);
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        symbol = get_symtab_entry((unative_t) exc_table[i].f);
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        if (!symbol)
135
        if (!symbol)
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            symbol = "not found";
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            symbol = "not found";
124
       
137
 
125
        if (sizeof(void *) == 4)
138
#ifdef __32_BITS__
126
            printf("%-3u %-20s %#10zx %s\n", i + IVT_FIRST, exc_table[i].name,
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        printf("%-3u %-20s %10p %s\n", i + IVT_FIRST, exc_table[i].name,
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                exc_table[i].f, symbol);
140
            exc_table[i].f, symbol);
128
        else
141
#endif
-
 
142
 
-
 
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#ifdef __64_BITS__
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            printf("%-3u %-20s %#18zx %s\n", i + IVT_FIRST, exc_table[i].name,
144
        printf("%-3u %-20s %18p %s\n", i + IVT_FIRST, exc_table[i].name,
130
                exc_table[i].f, symbol);
145
            exc_table[i].f, symbol);
-
 
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#endif
131
       
147
       
132
        if (((i + 1) % 20) == 0) {
148
        if (((i + 1) % 20) == 0) {
133
            printf(" -- Press any key to continue -- ");
149
            printf(" -- Press any key to continue -- ");
134
            spinlock_unlock(&exctbl_lock);
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            spinlock_unlock(&exctbl_lock);
135
            getc(stdin);
151
            getc(stdin);
Line 142... Line 158...
142
#endif
158
#endif
143
   
159
   
144
    return 1;
160
    return 1;
145
}
161
}
146
 
162
 
-
 
163
 
147
static cmd_info_t exc_info = {
164
static cmd_info_t exc_info = {
148
    .name = "exc",
165
    .name = "exc",
149
    .description = "Print exception table.",
166
    .description = "Print exception table.",
150
    .func = exc_print_cmd,
167
    .func = cmd_exc_print,
151
    .help = NULL,
168
    .help = NULL,
152
    .argc = 0,
169
    .argc = 0,
153
    .argv = NULL
170
    .argv = NULL
154
};
171
};
155
 
172
 
-
 
173
#endif
-
 
174
 
156
/** Initialize generic exception handling support */
175
/** Initialize generic exception handling support */
157
void exc_init(void)
176
void exc_init(void)
158
{
177
{
159
    int i;
178
    int i;
160
 
179
 
161
    for (i=0;i < IVT_ITEMS; i++)
180
    for (i = 0; i < IVT_ITEMS; i++)
162
        exc_register(i, "undef", (iroutine) exc_undef);
181
        exc_register(i, "undef", (iroutine) exc_undef);
163
 
182
 
-
 
183
#ifdef CONFIG_KCONSOLE
164
    cmd_initialize(&exc_info);
184
    cmd_initialize(&exc_info);
165
    if (!cmd_register(&exc_info))
185
    if (!cmd_register(&exc_info))
166
        panic("could not register command %s\n", exc_info.name);
186
        printf("Cannot register command %s\n", exc_info.name);
-
 
187
#endif
167
}
188
}
168
 
189
 
169
/** @}
190
/** @}
170
 */
191
 */