diff options
Diffstat (limited to 'kernel/include/mm/virtual_mm.h')
| -rw-r--r-- | kernel/include/mm/virtual_mm.h | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/kernel/include/mm/virtual_mm.h b/kernel/include/mm/virtual_mm.h index 4873a30..92ffd3c 100644 --- a/kernel/include/mm/virtual_mm.h +++ b/kernel/include/mm/virtual_mm.h @@ -29,37 +29,37 @@ #define PAGE_TABLE_INDEX(virtual_address) ((virtual_address >> 12) & 0x3ff) #define SET_PDE_PRESENT(x) x -#define SET_PDE_WRITABLE(x) (x << 1) -#define SET_PDE_USER(x) (x << 2) -#define SET_PDE_WRITETHROUGH(x) (x << 3) -#define SET_PDE_CACHE_DISABLE(x) (x << 4) -#define SET_PDE_ACCESSED(x) (x << 5) +#define SET_PDE_WRITABLE(x) ((x) << 1) +#define SET_PDE_USER(x) ((x) << 2) +#define SET_PDE_WRITETHROUGH(x) ((x) << 3) +#define SET_PDE_CACHE_DISABLE(x) ((x) << 4) +#define SET_PDE_ACCESSED(x) ((x) << 5) /* Never set (reserved by Intel) */ -#define SET_PDE_RESERVED(x) (x << 6) -#define SET_PDE_PAGE_SIZE(x) (x << 7) +#define SET_PDE_RESERVED(x) ((x) << 6) +#define SET_PDE_PAGE_SIZE(x) ((x) << 7) /* NOTE: Unused by the CPU, free to be used by us! */ -#define SET_PDE_UNUSED(x) (x << 8) +#define SET_PDE_UNUSED(x) ((x) << 8) /* Page table address */ -#define SET_PDE_FRAME(x) (x << 12) +#define SET_PDE_FRAME(x) ((x) << 12) -#define GET_PDE_FRAME(x) (*x >> 12) +#define GET_PDE_FRAME(x) ((*x) >> 12) #define SET_PTE_PRESENT(x) x -#define SET_PTE_WRITABLE(x) (x << 1) -#define SET_PTE_USER(x) (x << 2) -#define SET_PTE_WRITETHROUGH(x) (x << 3) -#define SET_PTE_CACHE_DISABLE(x) (x << 4) -#define SET_PTE_ACCESSED(x) (x << 5) -#define SET_PTE_DIRTY(x) (x << 6) -#define SET_PTE_PAT(x) (x << 7) -#define SET_PTE_GLOBAL(x) (x << 8) +#define SET_PTE_WRITABLE(x) ((x) << 1) +#define SET_PTE_USER(x) ((x) << 2) +#define SET_PTE_WRITETHROUGH(x) ((x) << 3) +#define SET_PTE_CACHE_DISABLE(x) ((x) << 4) +#define SET_PTE_ACCESSED(x) ((x) << 5) +#define SET_PTE_DIRTY(x) ((x) << 6) +#define SET_PTE_PAT(x) ((x) << 7) +#define SET_PTE_GLOBAL(x) ((x) << 8) /* NOTE: Unused by the CPU, free to be used by us! */ -#define SET_PTE_UNUSED(x) (x << 9) +#define SET_PTE_UNUSED(x) ((x) << 9) /* MAX: 0xFFFFF000 */ -#define SET_PTE_FRAME(x) (x << 12) +#define SET_PTE_FRAME(x) ((x) << 12) -#define PTE_IS_PRESENT(x) (x & 1) -#define GET_PTE_FRAME(x) (*x >> 12) +#define PTE_IS_PRESENT(x) ((x) &1) +#define GET_PTE_FRAME(x) ((*x) >> 12) #define ADD_ATTRIB(entry, attribute) (*entry |= (attribute)) |