| 75,6 → 75,7 |
|---|
| |
| #ifndef __ASM__ |
| |
| /** Page Table Entry. */ |
| struct page_specifier { |
| unsigned present : 1; |
| unsigned writeable : 1; |
| 85,7 → 86,8 |
|---|
| unsigned dirty : 1; |
| unsigned unused: 1; |
| unsigned global : 1; |
| unsigned avl : 3; |
| unsigned soft_valid : 1; /**< Valid content even if present bit is cleared. */ |
| unsigned avl : 2; |
| unsigned addr_12_31 : 30; |
| unsigned addr_32_51 : 21; |
| unsigned no_execute : 1; |
| 124,6 → 126,11 |
|---|
| p->writeable = (flags & PAGE_WRITE) != 0; |
| p->no_execute = (flags & PAGE_EXEC) == 0; |
| p->global = (flags & PAGE_GLOBAL) != 0; |
| |
| /* |
| * Ensure that there is at least one bit set even if the present bit is cleared. |
| */ |
| p->soft_valid = 1; |
| } |
| |
| extern void page_arch_init(void); |