diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
|---|---|---|
| committer | <ralf@linux-mips.org> | 1997-04-29 21:13:14 +0000 |
| commit | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (patch) | |
| tree | 40b1cb534496a7f1ca0f5c314a523c69f1fee464 /include/asm-ppc/page.h | |
| parent | 7206675c40394c78a90e74812bbdbf8cf3cca1be (diff) | |
Import of Linux/MIPS 2.1.36
Diffstat (limited to 'include/asm-ppc/page.h')
| -rw-r--r-- | include/asm-ppc/page.h | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/include/asm-ppc/page.h b/include/asm-ppc/page.h index 6984b2a08..273d31fd0 100644 --- a/include/asm-ppc/page.h +++ b/include/asm-ppc/page.h @@ -6,8 +6,6 @@ #define PAGE_SIZE (1UL << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) -void invalidate(void); - #ifdef __KERNEL__ #define STRICT_MM_TYPECHECKS @@ -59,30 +57,15 @@ typedef unsigned long pgprot_t; #define KERNELBASE 0x90000000 #define PAGE_OFFSET KERNELBASE -#define MAP_NR(addr) ((((unsigned long)addr) - PAGE_OFFSET) >> PAGE_SHIFT) -#define MAP_PAGE_RESERVED (1<<15) - -#if 0 /* Now defined in "mm.h" */ -/* - * This used to be an unsigned short... - * - * -- Cort - */ -/*typedef unsigned short mem_map_t;*/ +#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) +#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) +/* map phys->virtual and virtual->phys */ +#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) +#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) -typedef struct { - unsigned count:30, - dirty:1, - reserved:1; -} mem_map_t; -#endif - -/* Certain architectures need to do special things when pte's - * within a page table are directly modified. Thus, the following - * hook is made available. - */ -#define set_pte(pteptr, pteval) ((*(pteptr)) = (pteval)) +#define MAP_NR(addr) (__pa(addr) >> PAGE_SHIFT) +#define MAP_PAGE_RESERVED (1<<15) #endif /* __KERNEL__ */ |