diff options
Diffstat (limited to 'arch/cris/include/asm/page.h')
| -rw-r--r-- | arch/cris/include/asm/page.h | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/cris/include/asm/page.h b/arch/cris/include/asm/page.h deleted file mode 100644 index 5b5b3dad7484..000000000000 --- a/arch/cris/include/asm/page.h +++ /dev/null @@ -1,74 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _CRIS_PAGE_H -#define _CRIS_PAGE_H - -#include <arch/page.h> -#include <linux/const.h> - -/* PAGE_SHIFT determines the page size */ -#define PAGE_SHIFT 13 -#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -#define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) -#define copy_page(to,from) memcpy((void *)(to), (void *)(from), PAGE_SIZE) - -#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.. - */ -#ifndef __ASSEMBLY__ -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pgd; } pgd_t; -typedef struct { unsigned long pgprot; } pgprot_t; -typedef struct page *pgtable_t; -#endif - -#define pte_val(x) ((x).pte) -#define pgd_val(x) ((x).pgd) -#define pgprot_val(x) ((x).pgprot) - -#define __pte(x) ((pte_t) { (x) } ) -#define __pgd(x) ((pgd_t) { (x) } ) -#define __pgprot(x) ((pgprot_t) { (x) } ) - -/* On CRIS the PFN numbers doesn't start at 0 so we have to compensate */ -/* for that before indexing into the page table starting at mem_map */ -#define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT) -#define pfn_valid(pfn) (((pfn) - (PAGE_OFFSET >> PAGE_SHIFT)) < max_mapnr) - -/* to index into the page map. our pages all start at physical addr PAGE_OFFSET so - * we can let the map start there. notice that we subtract PAGE_OFFSET because - * we start our mem_map there - in other ports they map mem_map physically and - * use __pa instead. in our system both the physical and virtual address of DRAM - * is too high to let mem_map start at 0, so we do it this way instead (similar - * to arm and m68k I think) - */ - -#define virt_to_page(kaddr) (mem_map + (((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT)) -#define virt_addr_valid(kaddr) pfn_valid((unsigned)(kaddr) >> PAGE_SHIFT) - -/* convert a page (based on mem_map and forward) to a physical address - * do this by figuring out the virtual address and then use __pa - */ - -#define page_to_phys(page) __pa((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) - -#ifndef __ASSEMBLY__ - -#endif /* __ASSEMBLY__ */ - -#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#include <asm-generic/memory_model.h> -#include <asm-generic/getorder.h> - -#endif /* _CRIS_PAGE_H */ - |