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authorGreg Ungerer2010-09-07 07:49:10 +0200
committerGeert Uytterhoeven2010-10-22 09:43:24 +0200
commit138ff3462f53a7370bef15443e623ecba1c350bf (patch)
tree2a12a53579dec5c4b6f3f449be21c7ff1d00ca10 /arch/m68k/include/asm/page.h
parentm68k/m68knommu: merge machdep.h files into a single file (diff)
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m68k/m68knommu: clean up page.h
There is a lot of common defines in the MMU and non-MMU variants of page.h. Factor out the common stuff into the master page.h. It still includes the underlying page_mm.h or page_no.h, but they only contain the real differences now. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/include/asm/page.h')
-rw-r--r--arch/m68k/include/asm/page.h48
1 files changed, 46 insertions, 2 deletions
diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h
index f2b4480cc98a..dfebb7c1e379 100644
--- a/arch/m68k/include/asm/page.h
+++ b/arch/m68k/include/asm/page.h
@@ -1,5 +1,49 @@
-#ifdef __uClinux__
-#include "page_no.h"
+#ifndef _M68K_PAGE_H
+#define _M68K_PAGE_H
+
+#include <linux/const.h>
+#include <asm/setup.h>
+#include <asm/page_offset.h>
+
+/* PAGE_SHIFT determines the page size */
+#ifndef CONFIG_SUN3
+#define PAGE_SHIFT (12)
#else
+#define PAGE_SHIFT (13)
+#endif
+#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+#define PAGE_OFFSET (PAGE_OFFSET_RAW)
+
+#ifndef __ASSEMBLY__
+
+/*
+ * These are used to make use of C type-checking..
+ */
+typedef struct { unsigned long pte; } pte_t;
+typedef struct { unsigned long pmd[16]; } pmd_t;
+typedef struct { unsigned long pgd; } pgd_t;
+typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct page *pgtable_t;
+
+#define pte_val(x) ((x).pte)
+#define pmd_val(x) ((&x)->pmd[0])
+#define pgd_val(x) ((x).pgd)
+#define pgprot_val(x) ((x).pgprot)
+
+#define __pte(x) ((pte_t) { (x) } )
+#define __pmd(x) ((pmd_t) { (x) } )
+#define __pgd(x) ((pgd_t) { (x) } )
+#define __pgprot(x) ((pgprot_t) { (x) } )
+
+#endif /* !__ASSEMBLY__ */
+
+#ifdef CONFIG_MMU
#include "page_mm.h"
+#else
+#include "page_no.h"
#endif
+
+#include <asm-generic/getorder.h>
+
+#endif /* _M68K_PAGE_H */