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#ifdef __USERSPACE__
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#ifdef __USERSPACE__
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    /*
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    /*
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     * Create the first user task.
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     * Create the first user task.
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     */
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     */
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    m = vm_create(NULL);
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    m = vm_create(NULL);
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    if (!m)
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    if (!m) panic("vm_create");
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        panic("vm_create");
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    u = task_create(m);
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    u = task_create(m);
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    if (!u)
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    if (!u) panic("task_create");
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        panic("task_create");
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    t = thread_create(uinit, NULL, u, THREAD_USER_STACK);
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    t = thread_create(uinit, NULL, u, THREAD_USER_STACK);
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    if (!t)
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    if (!t) panic("thread_create");
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        panic("thread_create");
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    /*
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    /*
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     * Create the text vm_area and copy the userspace code there.
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     * Create the text vm_area and copy the userspace code there.
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     */
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     */
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    a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
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    a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS);
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    if (!a)
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    if (!a) panic("vm_area_create: vm_text");
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        panic("vm_area_create: vm_text");
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    vm_area_map(a, m);
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    vm_area_map(a, m);
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    memcpy((void *) PA2KA(a->mapping[0]), (void *) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
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    memcpy((void *) PA2KA(a->mapping[0]), (void *) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE);
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    /*
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    /*
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     * Create the data vm_area.
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     * Create the data vm_area.
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     */
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     */
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    a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);
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    a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS);
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    if (!a)
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    if (!a) panic("vm_area_create: vm_stack");
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        panic("vm_area_create: vm_stack");
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    vm_area_map(a, m); 
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    vm_area_map(a, m); 
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    thread_ready(t);
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    thread_ready(t);
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#endif /* __USERSPACE__ */
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#endif /* __USERSPACE__ */
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