/* SPDX-License-Identifier: GPL-2.0 */ #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([31mCONFIG_SUN3[0m) || defined([31mCONFIG_COLDFIRE[0m) #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 [31mCONFIG_MMU[0m #include <asm/page_mm.h> #else #include <asm/page_no.h> #endif #define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) #define __pfn_to_phys(pfn) PFN_PHYS(pfn) #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 */ |