Go to the documentation of this file. 1 #ifndef _ASM_M32R_PAGE_H
2 #define _ASM_M32R_PAGE_H
4 #include <linux/const.h>
8 #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
9 #define PAGE_MASK (~(PAGE_SIZE-1))
16 #define clear_user_page(page, vaddr, pg) clear_page(page)
17 #define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
19 #define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
20 alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
21 #define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
26 typedef struct {
unsigned long pte; }
pte_t;
27 typedef struct {
unsigned long pmd; }
pmd_t;
28 typedef struct {
unsigned long pgd; }
pgd_t;
29 #define pte_val(x) ((x).pte)
30 #define PTE_MASK PAGE_MASK
35 #define pmd_val(x) ((x).pmd)
36 #define pgd_val(x) ((x).pgd)
37 #define pgprot_val(x) ((x).pgprot)
39 #define __pte(x) ((pte_t) { (x) } )
40 #define __pmd(x) ((pmd_t) { (x) } )
41 #define __pgd(x) ((pgd_t) { (x) } )
42 #define __pgprot(x) ((pgprot_t) { (x) } )
59 #define __MEMORY_START CONFIG_MEMORY_START
60 #define __MEMORY_SIZE CONFIG_MEMORY_SIZE
63 #define __PAGE_OFFSET (0x80000000)
65 #define __PAGE_OFFSET (0x00000000)
68 #define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
69 #define __pa(x) ((unsigned long)(x) - PAGE_OFFSET)
70 #define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET))
72 #ifndef CONFIG_DISCONTIGMEM
73 #define PFN_BASE (CONFIG_MEMORY_START >> PAGE_SHIFT)
74 #define ARCH_PFN_OFFSET PFN_BASE
75 #define pfn_valid(pfn) (((pfn) - PFN_BASE) < max_mapnr)
78 #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
79 #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
81 #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
82 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC )
84 #define devmem_is_allowed(x) 1