diff options
Diffstat (limited to 'arch/m32r/include/asm/page.h')
-rw-r--r-- | arch/m32r/include/asm/page.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h deleted file mode 100644 index fe4e38b394d3..000000000000 --- a/arch/m32r/include/asm/page.h +++ /dev/null @@ -1,90 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_M32R_PAGE_H -#define _ASM_M32R_PAGE_H - -#include <linux/const.h> - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 12 -#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#ifndef __ASSEMBLY__ - -extern void clear_page(void *to); -extern void copy_page(void *to, void *from); - -#define clear_user_page(page, vaddr, pg) clear_page(page) -#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) - -#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \ - alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr) -#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE - -/* - * These are used to make use of C type-checking.. - */ -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pmd; } pmd_t; -typedef struct { unsigned long pgd; } pgd_t; -#define pte_val(x) ((x).pte) -#define PTE_MASK PAGE_MASK - -typedef struct { unsigned long pgprot; } pgprot_t; -typedef struct page *pgtable_t; - -#define pmd_val(x) ((x).pmd) -#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__ */ - -/* - * This handles the memory map.. We could make this a config - * option, but too many people screw it up, and too few need - * it. - * - * A __PAGE_OFFSET of 0xC0000000 means that the kernel has - * a virtual address space of one gigabyte, which limits the - * amount of physical memory you can use to about 950MB. - * - * If you want more physical memory than this then see the CONFIG_HIGHMEM4G - * and CONFIG_HIGHMEM64G options in the kernel configuration. - */ - -#define __MEMORY_START CONFIG_MEMORY_START -#define __MEMORY_SIZE CONFIG_MEMORY_SIZE - -#ifdef CONFIG_MMU -#define __PAGE_OFFSET (0x80000000) -#else -#define __PAGE_OFFSET (0x00000000) -#endif - -#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET) -#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) -#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) - -#ifndef CONFIG_DISCONTIGMEM -#define PFN_BASE (CONFIG_MEMORY_START >> PAGE_SHIFT) -#define ARCH_PFN_OFFSET PFN_BASE -#define pfn_valid(pfn) (((pfn) - PFN_BASE) < max_mapnr) -#endif /* !CONFIG_DISCONTIGMEM */ - -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) - -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC ) - -#define devmem_is_allowed(x) 1 - -#include <asm-generic/memory_model.h> -#include <asm-generic/getorder.h> - -#endif /* _ASM_M32R_PAGE_H */ |