| 90,6 → 90,20 |
|---|
| #include <arch/mm/frame.h> |
| #include <typedefs.h> |
| |
| /* Page fault error codes. */ |
| |
| /** When bit on this position is 0, the page fault was caused by a not-present page. */ |
| #define PFERR_CODE_P (1<<0) |
| |
| /** When bit on this position is 1, the page fault was caused by a write. */ |
| #define PFERR_CODE_RW (1<<1) |
| |
| /** When bit on this position is 1, the page fault was caused in user mode. */ |
| #define PFERR_CODE_US (1<<2) |
| |
| /** When bit on this position is 1, a reserved bit was set in page directory. */ |
| #define PFERR_CODE_RSVD (1<<3) |
| |
| /** Page Table Entry. */ |
| struct page_specifier { |
| unsigned present : 1; |
| 138,6 → 152,7 |
|---|
| } |
| |
| extern void page_arch_init(void); |
| extern void page_fault(int n, istate_t *istate); |
| |
| #endif /* __ASM__ */ |
| |