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| Rev 799 | Rev 814 | ||
|---|---|---|---|
| Line 42... | Line 42... | ||
| 42 | { |
42 | { |
| 43 | __address cur; |
43 | __address cur; |
| 44 | 44 | ||
| 45 | if (config.cpu_active == 1) { |
45 | if (config.cpu_active == 1) { |
| 46 | page_mapping_operations = &pt_mapping_operations; |
46 | page_mapping_operations = &pt_mapping_operations; |
| 47 | 47 | ||
| 48 | /* |
48 | /* |
| 49 | * PA2KA(identity) mapping for all frames. |
49 | * PA2KA(identity) mapping for all frames. |
| 50 | */ |
50 | */ |
| 51 | for (cur = 0; cur < last_frame; cur += FRAME_SIZE) { |
51 | for (cur = 0; cur < last_frame; cur += FRAME_SIZE) { |
| 52 | page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, PAGE_CACHEABLE | PAGE_EXEC); |
52 | page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, PAGE_CACHEABLE | PAGE_EXEC); |
| 53 | } |
53 | } |
| 54 | - | ||
| 55 | exc_register(14, "page_fault", (iroutine)page_fault); |
54 | exc_register(14, "page_fault", (iroutine)page_fault); |
| 56 | write_cr3((__address) AS_KERNEL->page_table); |
55 | write_cr3((__address) AS_KERNEL->page_table); |
| 57 | } |
56 | } |
| 58 | else { |
57 | else { |
| 59 | write_cr3((__address) AS_KERNEL->page_table); |
58 | write_cr3((__address) AS_KERNEL->page_table); |