#ifndef _ASM_PAGE_H
#define _ASM_PAGE_H
-
-#ifdef __KERNEL__
-
#include <spaces.h>
/*
#ifndef __ASSEMBLY__
-/*
- * This gives the physical RAM offset.
- */
-#ifndef PHYS_OFFSET
-#define PHYS_OFFSET 0UL
-#endif
+#include <linux/pfn.h>
+#include <asm/io.h>
/*
* It's normally defined only for FLATMEM config but it's
*/
#define ARCH_PFN_OFFSET PFN_UP(PHYS_OFFSET)
-#include <linux/pfn.h>
-#include <asm/io.h>
-
extern void clear_page(void * page);
extern void copy_page(void * to, void * from);
#define pte_val(x) ((x).pte)
#define __pte(x) ((pte_t) { (x) } )
#endif
+typedef struct page *pgtable_t;
/*
* For 3-level pagetables we defines these ourselves, for 2-level the
/*
* __pa()/__va() should be used only during mem init.
*/
-#if defined(CONFIG_64BIT) && !defined(CONFIG_BUILD_ELF64)
-#define __pa_page_offset(x) ((unsigned long)(x) < CKSEG0 ? PAGE_OFFSET : CKSEG0)
+#ifdef CONFIG_64BIT
+#define __pa(x) \
+({ \
+ unsigned long __x = (unsigned long)(x); \
+ __x < CKSEG0 ? XPHYSADDR(__x) : CPHYSADDR(__x); \
+})
#else
-#define __pa_page_offset(x) PAGE_OFFSET
+#define __pa(x) \
+ ((unsigned long)(x) - PAGE_OFFSET + PHYS_OFFSET)
#endif
-#define __pa(x) ((unsigned long)(x) - __pa_page_offset(x) + PHYS_OFFSET)
#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET - PHYS_OFFSET))
-#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x),0))
+#define __pa_symbol(x) __pa(RELOC_HIDE((unsigned long)(x), 0))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
-#endif /* defined (__KERNEL__) */
-
#endif /* _ASM_PAGE_H */