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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/m68k/include/asm/page.h
Initial import
Diffstat (limited to 'arch/m68k/include/asm/page.h')
-rw-r--r--arch/m68k/include/asm/page.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/page.h b/arch/m68k/include/asm/page.h
new file mode 100644
index 000000000..38b024a0b
--- /dev/null
+++ b/arch/m68k/include/asm/page.h
@@ -0,0 +1,56 @@
+#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 */
+#if defined(CONFIG_SUN3) || defined(CONFIG_COLDFIRE)
+#define PAGE_SHIFT 13
+#else
+#define PAGE_SHIFT 12
+#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) } )
+
+extern unsigned long _rambase;
+extern unsigned long _ramstart;
+extern unsigned long _ramend;
+
+#endif /* !__ASSEMBLY__ */
+
+#ifdef CONFIG_MMU
+#include <asm/page_mm.h>
+#else
+#include <asm/page_no.h>
+#endif
+
+#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
+ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
+#include <asm-generic/getorder.h>
+
+#endif /* _M68K_PAGE_H */