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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 
 */
 85 
 */
86 
void exc_dispatch(int n, istate_t *istate)
 86 
void exc_dispatch(int n, istate_t *istate)
87 
{
 87 
{
88 
    ASSERT(n < IVT_ITEMS);
 88 
    ASSERT(n < IVT_ITEMS);
- 
 
 89 
 
- 
 
 90 
#ifdef CONFIG_UDEBUG
- 
 
 91 
    if (THREAD) THREAD->udebug.uspace_state = istate;
- 
 
 92 
#endif
89 
   
 93 
   
90 
    exc_table[n].f(n + IVT_FIRST, istate);
 94 
    exc_table[n].f(n + IVT_FIRST, istate);
- 
 
 95 
 
- 
 
 96 
#ifdef CONFIG_UDEBUG
- 
 
 97 
    if (THREAD) THREAD->udebug.uspace_state = NULL;
- 
 
 98 
#endif
- 
 
 99 
 
91 
    /* This is a safe place to exit exiting thread */
 100 
    /* This is a safe place to exit exiting thread */
92 
    if (THREAD && THREAD->interrupted && istate_from_uspace(istate))
 101 
    if (THREAD && THREAD->interrupted && istate_from_uspace(istate))
93 
        thread_exit();
 102 
        thread_exit();
94 
}
 103 
}
95 
 
 104 
 
Line 98... Line 107...
98 
{
 107 
{
99 
    fault_if_from_uspace(istate, "Unhandled exception %d.", n);
 108 
    fault_if_from_uspace(istate, "Unhandled exception %d.", n);
100 
    panic("Unhandled exception %d.", n);
 109 
    panic("Unhandled exception %d.", n);
101 
}
 110 
}
102 
 
 111 
 
- 
 
 112 
#ifdef CONFIG_KCONSOLE
- 
 
 113 
 
103 
/** kconsole cmd - print all exceptions */
 114 
/** kconsole cmd - print all exceptions */
104 
static int exc_print_cmd(cmd_arg_t *argv)
 115 
static int cmd_exc_print(cmd_arg_t *argv)
105 
{
 116 
{
106 
#if (IVT_ITEMS > 0)
 117 
#if (IVT_ITEMS > 0)
107 
    unsigned int i;
 118 
    unsigned int i;
108 
    char *symbol;
 119 
    char *symbol;
109 
 
 120 
 
110 
    spinlock_lock(&exctbl_lock);
 121 
    spinlock_lock(&exctbl_lock);
111 
   
 122 
 
112 
    if (sizeof(void *) == 4) {
 123 
#ifdef __32_BITS__
113 
        printf("Exc Description          Handler    Symbol\n");
 124 
    printf("Exc Description          Handler    Symbol\n");
114 
        printf("--- -------------------- ---------- --------\n");
 125 
    printf("--- -------------------- ---------- --------\n");
115 
    } else {
 126 
#endif
- 
 
 127 
 
- 
 
 128 
#ifdef __64_BITS__
116 
        printf("Exc Description          Handler            Symbol\n");
 129 
    printf("Exc Description          Handler            Symbol\n");
117 
        printf("--- -------------------- ------------------ --------\n");
 130 
    printf("--- -------------------- ------------------ --------\n");
118 
    }
 131 
#endif
119 
   
 132 
   
120 
    for (i = 0; i < IVT_ITEMS; i++) {
 133 
    for (i = 0; i < IVT_ITEMS; i++) {
121 
        symbol = get_symtab_entry((unative_t) exc_table[i].f);
 134 
        symbol = get_symtab_entry((unative_t) exc_table[i].f);
122 
        if (!symbol)
 135 
        if (!symbol)
123 
            symbol = "not found";
 136 
            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,
 139 
        printf("%-3u %-20s %10p %s\n", i + IVT_FIRST, exc_table[i].name,
127 
                exc_table[i].f, symbol);
 140 
            exc_table[i].f, symbol);
128 
        else
 141 
#endif
- 
 
 142 
 
- 
 
 143 
#ifdef __64_BITS__
129 
            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);
- 
 
 146 
#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);
 150 
            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 
 */