| 65,7 → 65,7 |
|---|
| cap_t caps; |
| task_t *t; |
| int flags; |
| count_t i; |
| mem_backend_data_t backend_data = { .d1 = (__native) pf, .d2 = (__native) pages }; |
| |
| /* |
| * Make sure the caller is authorised to make this syscall. |
| 98,10 → 98,11 |
|---|
| spinlock_lock(&t->lock); |
| spinlock_unlock(&tasks_lock); |
| |
| flags = AS_AREA_DEVICE | AS_AREA_READ; |
| flags = AS_AREA_READ; |
| if (writable) |
| flags |= AS_AREA_WRITE; |
| if (!as_area_create(t->as, flags, pages * PAGE_SIZE, vp, AS_AREA_ATTR_NONE, NULL, NULL)) { |
| if (!as_area_create(t->as, flags, pages * PAGE_SIZE, vp, AS_AREA_ATTR_NONE, |
| &phys_backend, &backend_data)) { |
| /* |
| * The address space area could not have been created. |
| * We report it using ENOMEM. |
| 111,10 → 112,10 |
|---|
| return ENOMEM; |
| } |
| |
| /* Initialize page tables. */ |
| for (i = 0; i < pages; i++) |
| as_set_mapping(t->as, vp + i * PAGE_SIZE, pf + i * FRAME_SIZE); |
| |
| /* |
| * Mapping is created on-demand during page fault. |
| */ |
| |
| spinlock_unlock(&t->lock); |
| interrupts_restore(ipl); |
| return 0; |