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Rev 3431 Rev 4377
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#include <interrupt.h>
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#include <interrupt.h>
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#include <debug.h>
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#include <debug.h>
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#include <console/kconsole.h>
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#include <console/kconsole.h>
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#include <console/console.h>
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#include <console/console.h>
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#include <console/chardev.h>
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#include <console/cmd.h>
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#include <console/cmd.h>
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#include <panic.h>
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#include <panic.h>
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#include <print.h>
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#include <print.h>
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#include <symtab.h>
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#include <symtab.h>
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    ASSERT(n < IVT_ITEMS);
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    ASSERT(n < IVT_ITEMS);
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    iroutine old;
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    iroutine old;
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    spinlock_lock(&exctbl_lock);
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    spinlock_lock(&exctbl_lock);
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    old = exc_table[n].f;
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    old = exc_table[n].f;
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    exc_table[n].f = f;
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    exc_table[n].f = f;
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    exc_table[n].name = name;
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    exc_table[n].name = name;
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    spinlock_unlock(&exctbl_lock); 
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    spinlock_unlock(&exctbl_lock);
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    return old;
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    return old;
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}
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}
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/** Dispatch exception according to exception table
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/** Dispatch exception according to exception table
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 *
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 *
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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);
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    panic("Unhandled exception %d.", n);
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    panic("Unhandled exception %d.", n);
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}
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}
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#ifdef CONFIG_KCONSOLE
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/** 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;
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    char *symbol;
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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");
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#endif
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#endif
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    for (i = 0; i < IVT_ITEMS; i++) {
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    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 = symtab_fmt_name_lookup((unative_t) exc_table[i].f);
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        if (!symbol)
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            symbol = "not found";
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#ifdef __32_BITS__
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#ifdef __32_BITS__
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        printf("%-3u %-20s %10p %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);
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            exc_table[i].f, symbol);
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#endif
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#endif
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#endif
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#endif
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        if (((i + 1) % 20) == 0) {
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        if (((i + 1) % 20) == 0) {
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            printf(" -- Press any key to continue -- ");
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            printf(" -- Press any key to continue -- ");
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            spinlock_unlock(&exctbl_lock);
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            spinlock_unlock(&exctbl_lock);
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            getc(stdin);
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            indev_pop_character(stdin);
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            spinlock_lock(&exctbl_lock);
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            spinlock_lock(&exctbl_lock);
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            printf("\n");
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            printf("\n");
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        }
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        }
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    }
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    }
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#endif
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#endif
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    return 1;
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    return 1;
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}
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}
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static cmd_info_t exc_info = {
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static cmd_info_t exc_info = {
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    .name = "exc",
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    .name = "exc",
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    .description = "Print exception table.",
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    .description = "Print exception table.",
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    .func = exc_print_cmd,
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    .func = cmd_exc_print,
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    .help = NULL,
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    .help = NULL,
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    .argc = 0,
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    .argc = 0,
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    .argv = NULL
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    .argv = NULL
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};
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};
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-
 
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#endif
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/** Initialize generic exception handling support */
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/** Initialize generic exception handling support */
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void exc_init(void)
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void exc_init(void)
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{
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{
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    int i;
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    int i;
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    for (i = 0; i < IVT_ITEMS; i++)
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    for (i = 0; i < IVT_ITEMS; i++)
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        exc_register(i, "undef", (iroutine) exc_undef);
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        exc_register(i, "undef", (iroutine) exc_undef);
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#ifdef CONFIG_KCONSOLE
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    cmd_initialize(&exc_info);
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    cmd_initialize(&exc_info);
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    if (!cmd_register(&exc_info))
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    if (!cmd_register(&exc_info))
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        panic("could not register command %s\n", exc_info.name);
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        printf("Cannot register command %s\n", exc_info.name);
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#endif
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}
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}
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/** @}
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/** @}
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 */
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 */