From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/m68k/include/asm/page.h | 56 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 arch/m68k/include/asm/page.h (limited to 'arch/m68k/include/asm/page.h') 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 +#include +#include + +/* 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 +#else +#include +#endif + +#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#include + +#endif /* _M68K_PAGE_H */ -- cgit v1.2.3-54-g00ecf