| 122,17 → 122,21 |
|---|
| * Create the first user task. |
| */ |
| m = vm_create(NULL); |
| if (!m) panic("vm_create"); |
| if (!m) |
| panic("vm_create"); |
| u = task_create(m); |
| if (!u) panic("task_create"); |
| if (!u) |
| panic("task_create"); |
| t = thread_create(uinit, NULL, u, THREAD_USER_STACK); |
| if (!t) panic("thread_create"); |
| if (!t) |
| panic("thread_create"); |
| |
| /* |
| * Create the text vm_area and copy the userspace code there. |
| */ |
| a = vm_area_create(m, VMA_TEXT, 1, UTEXT_ADDRESS); |
| if (!a) panic("vm_area_create: vm_text"); |
| if (!a) |
| panic("vm_area_create: vm_text"); |
| vm_area_map(a, m); |
| memcpy((void *) PA2KA(a->mapping[0]), (void *) utext, utext_size < PAGE_SIZE ? utext_size : PAGE_SIZE); |
| |
| 140,7 → 144,8 |
|---|
| * Create the data vm_area. |
| */ |
| a = vm_area_create(m, VMA_STACK, 1, USTACK_ADDRESS); |
| if (!a) panic("vm_area_create: vm_stack"); |
| if (!a) |
| panic("vm_area_create: vm_stack"); |
| vm_area_map(a, m); |
| |
| thread_ready(t); |