Rev 540 | Rev 576 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 540 | Rev 548 | ||
|---|---|---|---|
| Line 46... | Line 46... | ||
| 46 | { |
46 | { |
| 47 | __address dba; |
47 | __address dba; |
| 48 | __address cur; |
48 | __address cur; |
| 49 | 49 | ||
| 50 | if (config.cpu_active == 1) { |
50 | if (config.cpu_active == 1) { |
| 51 | dba = frame_alloc(FRAME_KA | FRAME_PANIC, 0); |
51 | dba = frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME); |
| 52 | memsetb(dba, PAGE_SIZE, 0); |
52 | memsetb(dba, PAGE_SIZE, 0); |
| 53 | 53 | ||
| 54 | bootstrap_dba = dba; |
54 | bootstrap_dba = dba; |
| 55 | 55 | ||
| 56 | /* |
56 | /* |
| Line 68... | Line 68... | ||
| 68 | * virtual address space. Because of that, each AP copies |
68 | * virtual address space. Because of that, each AP copies |
| 69 | * already-initialized paging information from the bootstrap |
69 | * already-initialized paging information from the bootstrap |
| 70 | * processor and adjusts it to fulfill its needs. |
70 | * processor and adjusts it to fulfill its needs. |
| 71 | */ |
71 | */ |
| 72 | 72 | ||
| 73 | dba = frame_alloc(FRAME_KA | FRAME_PANIC, 0); |
73 | dba = frame_alloc(FRAME_KA | FRAME_PANIC, ONE_FRAME); |
| 74 | memcpy((void *)dba, (void *)bootstrap_dba , PAGE_SIZE); |
74 | memcpy((void *)dba, (void *)bootstrap_dba , PAGE_SIZE); |
| 75 | write_cr3(KA2PA(dba)); |
75 | write_cr3(KA2PA(dba)); |
| 76 | } |
76 | } |
| 77 | 77 | ||
| 78 | paging_on(); |
78 | paging_on(); |