| #ifndef __UM_PAGE_H |
| #define __UM_PAGE_H |
| |
| struct page; |
| |
| #include "asm/arch/page.h" |
| |
| #undef BUG |
| #undef PAGE_BUG |
| #undef __pa |
| #undef __va |
| #undef virt_to_page |
| #undef VALID_PAGE |
| #undef PAGE_OFFSET |
| #undef KERNELBASE |
| |
| #define PAGE_OFFSET (uml_physmem) |
| #define KERNELBASE PAGE_OFFSET |
| |
| #ifndef __ASSEMBLY__ |
| |
| extern void stop(void); |
| |
| #define BUG() do { \ |
| printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ |
| stop(); \ |
| } while (0) |
| |
| #define PAGE_BUG(page) do { \ |
| BUG(); \ |
| } while (0) |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| extern unsigned long uml_physmem; |
| |
| #define __va_space (8*1024*1024) |
| |
| #define __pa(x) ((unsigned long) (x) - (uml_physmem)) |
| #define __va(x) ((void *) ((unsigned long) (x) + (uml_physmem))) |
| |
| #define virt_to_page(kaddr) (mem_map + (__pa(kaddr) >> PAGE_SHIFT)) |
| #define VALID_PAGE(page) ((page - mem_map) < max_mapnr) |
| |
| #endif |
