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| Rev 1702 | Rev 1760 | ||
|---|---|---|---|
| Line 71... | Line 71... | ||
| 71 | pte_t *ptl0_create(int flags) |
71 | pte_t *ptl0_create(int flags) |
| 72 | { |
72 | { |
| 73 | pte_t *src_ptl0, *dst_ptl0; |
73 | pte_t *src_ptl0, *dst_ptl0; |
| 74 | ipl_t ipl; |
74 | ipl_t ipl; |
| 75 | 75 | ||
| 76 | dst_ptl0 = (pte_t *) PA2KA(PFN2ADDR(frame_alloc(ONE_FRAME, FRAME_KA | FRAME_PANIC))); |
76 | dst_ptl0 = (pte_t *) frame_alloc(ONE_FRAME, FRAME_KA | FRAME_PANIC); |
| 77 | 77 | ||
| 78 | if (flags & FLAG_AS_KERNEL) { |
78 | if (flags & FLAG_AS_KERNEL) { |
| 79 | memsetb((__address) dst_ptl0, PAGE_SIZE, 0); |
79 | memsetb((__address) dst_ptl0, PAGE_SIZE, 0); |
| 80 | } else { |
80 | } else { |
| 81 | __address src, dst; |
81 | __address src, dst; |
| Line 106... | Line 106... | ||
| 106 | * |
106 | * |
| 107 | * @param page_table Physical address of PTL0. |
107 | * @param page_table Physical address of PTL0. |
| 108 | */ |
108 | */ |
| 109 | void ptl0_destroy(pte_t *page_table) |
109 | void ptl0_destroy(pte_t *page_table) |
| 110 | { |
110 | { |
| 111 | frame_free(ADDR2PFN((__address) page_table)); |
111 | frame_free((__address)page_table); |
| 112 | } |
112 | } |
| 113 | 113 | ||
| 114 | /** Lock page tables. |
114 | /** Lock page tables. |
| 115 | * |
115 | * |
| 116 | * Lock only the address space. |
116 | * Lock only the address space. |