linux_dsm_epyc7002/arch/nds32/include/asm/page.h
Nishad Kamdar 7f9ea6b799 nds32: Use the correct style for SPDX License Identifier
This patch corrects the SPDX License Identifier style
in the nds32 Hardware Architecture related files.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
2019-05-07 17:52:09 +08:00

71 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2005-2017 Andes Technology Corporation
*/
#ifndef _ASMNDS32_PAGE_H
#define _ASMNDS32_PAGE_H
#ifdef CONFIG_ANDES_PAGE_SIZE_4KB
#define PAGE_SHIFT 12
#endif
#ifdef CONFIG_ANDES_PAGE_SIZE_8KB
#define PAGE_SHIFT 13
#endif
#include <linux/const.h>
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
struct page;
struct vm_area_struct;
#ifdef CONFIG_CPU_CACHE_ALIASING
extern void copy_user_highpage(struct page *to, struct page *from,
unsigned long vaddr, struct vm_area_struct *vma);
extern void clear_user_highpage(struct page *page, unsigned long vaddr);
void copy_user_page(void *vto, void *vfrom, unsigned long vaddr,
struct page *to);
void clear_user_page(void *addr, unsigned long vaddr, struct page *page);
#define __HAVE_ARCH_COPY_USER_HIGHPAGE
#define clear_user_highpage clear_user_highpage
#else
#define clear_user_page(page, vaddr, pg) clear_page(page)
#define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
#endif
void clear_page(void *page);
void copy_page(void *to, void *from);
typedef unsigned long pte_t;
typedef unsigned long pmd_t;
typedef unsigned long pgd_t;
typedef unsigned long pgprot_t;
#define pte_val(x) (x)
#define pmd_val(x) (x)
#define pgd_val(x) (x)
#define pgprot_val(x) (x)
#define __pte(x) (x)
#define __pmd(x) (x)
#define __pgd(x) (x)
#define __pgprot(x) (x)
typedef struct page *pgtable_t;
#include <asm/memory.h>
#include <asm-generic/getorder.h>
#endif /* !__ASSEMBLY__ */
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
#endif /* __KERNEL__ */
#endif