projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 2e1aecb9 GH |
1 | /* |
| 2 | * SPDX-License-Identifier: GPL-2.0 | |
| 3 | * Copyright (C) 2005-2017 Andes Technology Corporation | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef _ASMNDS32_PAGE_H | |
| 7 | #define _ASMNDS32_PAGE_H | |
| 8 | ||
| 9 | #ifdef CONFIG_ANDES_PAGE_SIZE_4KB | |
| 10 | #define PAGE_SHIFT 12 | |
| 11 | #endif | |
| 12 | #ifdef CONFIG_ANDES_PAGE_SIZE_8KB | |
| 13 | #define PAGE_SHIFT 13 | |
| 14 | #endif | |
| 15 | #include <linux/const.h> | |
| 16 | #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) | |
| 17 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
| 18 | ||
| 19 | #ifdef __KERNEL__ | |
| 20 | ||
| 21 | #ifndef __ASSEMBLY__ | |
| 22 | ||
| 23 | struct page; | |
| 24 | struct vm_area_struct; | |
| 25 | #ifdef CONFIG_CPU_CACHE_ALIASING | |
| 26 | extern void copy_user_highpage(struct page *to, struct page *from, | |
| 27 | unsigned long vaddr, struct vm_area_struct *vma); | |
| 28 | extern void clear_user_highpage(struct page *page, unsigned long vaddr); | |
| 29 | ||
| 30 | #define __HAVE_ARCH_COPY_USER_HIGHPAGE | |
| 31 | #define clear_user_highpage clear_user_highpage | |
| 32 | #else | |
| 33 | #define clear_user_page(page, vaddr, pg) clear_page(page) | |
| 34 | #define copy_user_page(to, from, vaddr, pg) copy_page(to, from) | |
| 35 | #endif | |
| 36 | ||
| 37 | void clear_page(void *page); | |
| 38 | void copy_page(void *to, void *from); | |
| 39 | ||
| 40 | typedef unsigned long pte_t; | |
| 41 | typedef unsigned long pmd_t; | |
| 42 | typedef unsigned long pgd_t; | |
| 43 | typedef unsigned long pgprot_t; | |
| 44 | ||
| 45 | #define pte_val(x) (x) | |
| 46 | #define pmd_val(x) (x) | |
| 47 | #define pgd_val(x) (x) | |
| 48 | #define pgprot_val(x) (x) | |
| 49 | ||
| 50 | #define __pte(x) (x) | |
| 51 | #define __pmd(x) (x) | |
| 52 | #define __pgd(x) (x) | |
| 53 | #define __pgprot(x) (x) | |
| 54 | ||
| 55 | typedef struct page *pgtable_t; | |
| 56 | ||
| 57 | #include <asm/memory.h> | |
| 58 | #include <asm-generic/getorder.h> | |
| 59 | ||
| 60 | #endif /* !__ASSEMBLY__ */ | |
| 61 | ||
| 62 | #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ | |
| 63 | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) | |
| 64 | ||
| 65 | #endif /* __KERNEL__ */ | |
| 66 | ||
| 67 | #endif |