int check_load(t_shell *shell, t_prg *prg)
{
int res;
if ((my_strlen(prg->args[0]) == 4) && !(my_strncmp(prg->args[0], "load", 4)))
{
res = exec_load(shell, prg->args);
return 1;
}
if ((my_strlen(prg->args[0]) == 6) && !(my_strncmp(prg->args[0], "unload", 6)))
return exec_unload(shell, prg->args);
return -1;
}
static void copy_bootstrap(void *e, struct exec_info *boot_exec_info)
{
register vm_map_t user_map = current_task()->map;
int err;
printf("loading...\n");
if (err = exec_load(boot_read, read_exec, e, boot_exec_info))
panic("Cannot load user-bootstrap image: error code %d", err);
#if MACH_KDB
/*
* Enter the bootstrap symbol table.
*/
#if 0 /*XXX*/
if (load_bootstrap_symbols)
(void) X_db_sym_init(
(char*) boot_start+lp->sym_offset,
(char*) boot_start+lp->sym_offset+lp->sym_size,
"bootstrap",
(char *) user_map);
#endif
#if 0 /*XXX*/
if (load_fault_in_text)
{
vm_offset_t lenp = round_page(lp->text_start+lp->text_size) -
trunc_page(lp->text_start);
vm_offset_t i = 0;
while (i < lenp)
{
vm_fault(user_map, text_page_start +i,
load_protect_text ?
VM_PROT_READ|VM_PROT_EXECUTE :
VM_PROT_READ|VM_PROT_EXECUTE | VM_PROT_WRITE,
0,0,0);
i = round_page (i+1);
}
}
#endif
#endif MACH_KDB
}
static void user_bootstrap(void)
{
struct user_bootstrap_info *info = current_thread()->saved.other;
exec_info_t boot_exec_info;
int err;
char **av;
/* Load this task up from the executable file in the module. */
err = exec_load(boot_read, read_exec, info->mod, &boot_exec_info);
if (err)
panic ("Cannot load user executable module (error code %d): %s",
err, info->argv[0]);
printf ("task loaded:");
/* Set up the stack with arguments. */
build_args_and_stack(&boot_exec_info, info->argv, 0);
for (av = info->argv; *av != 0; ++av)
printf (" %s", *av);
task_suspend (current_task());
/* Tell the bootstrap thread running boot_script_exec_cmd
that we are done looking at INFO. */
simple_lock (&info->lock);
assert (!info->done);
info->done = 1;
thread_wakeup ((event_t) info);
/*
* Exit to user thread.
*/
thread_bootstrap_return();
/*NOTREACHED*/
}
