[Blackfin][PATCH] remove asm/page.h as we do not actually use/want any of these definitions nor does any other arch include it
Aubrey Li
18 years ago
parent
dfeeab2cd6
commit
e0df1c921b
@ -1,123 +0,0 @@ |
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/*
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* U-boot - page.h |
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* |
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* Copyright (c) 2005 blackfin.uclinux.org |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#ifndef _BLACKFIN_PAGE_H |
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#define _BLACKFIN_PAGE_H |
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#include <linux/config.h> |
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/* PAGE_SHIFT determines the page size */ |
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#define PAGE_SHIFT (12) |
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#define PAGE_SIZE (4096) |
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#define PAGE_MASK (~(PAGE_SIZE-1)) |
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#ifdef __KERNEL__ |
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#include <asm/setup.h> |
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#if PAGE_SHIFT < 13 |
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#define KTHREAD_SIZE (8192) |
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#else |
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#define KTHREAD_SIZE PAGE_SIZE |
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#endif |
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#ifndef __ASSEMBLY__ |
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#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) |
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#define free_user_page(page, addr) free_page(addr) |
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#define clear_page(page) memset((page), 0, PAGE_SIZE) |
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#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) |
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#define clear_user_page(page, vaddr) clear_page(page) |
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#define copy_user_page(to, from, vaddr) copy_page(to, from) |
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/*
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* These are used to make use of C type-checking.. |
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*/ |
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typedef struct { |
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unsigned long pte; |
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} pte_t; |
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typedef struct { |
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unsigned long pmd[16]; |
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} pmd_t; |
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typedef struct { |
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unsigned long pgd; |
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} pgd_t; |
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typedef struct { |
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unsigned long pgprot; |
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} pgprot_t; |
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#define pte_val(x) ((x).pte) |
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#define pmd_val(x) ((&x)->pmd[0]) |
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#define pgd_val(x) ((x).pgd) |
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#define pgprot_val(x) ((x).pgprot) |
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#define __pte(x) ((pte_t) { (x) } ) |
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#define __pmd(x) ((pmd_t) { (x) } ) |
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#define __pgd(x) ((pgd_t) { (x) } ) |
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#define __pgprot(x) ((pgprot_t) { (x) } ) |
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/* to align the pointer to the (next) page boundary */ |
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#define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK) |
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/* Pure 2^n version of get_order */ |
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extern __inline__ int get_order(unsigned long size) |
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{ |
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int order; |
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size = (size - 1) >> (PAGE_SHIFT - 1); |
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order = -1; |
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do { |
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size >>= 1; |
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order++; |
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} while (size); |
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return order; |
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} |
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#endif /* !__ASSEMBLY__ */ |
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#include <asm/page_offset.h> |
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#define PAGE_OFFSET (PAGE_OFFSET_RAW) |
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#ifndef __ASSEMBLY__ |
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#define __pa(vaddr) virt_to_phys((void *)vaddr) |
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#define __va(paddr) phys_to_virt((unsigned long)paddr) |
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#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT) |
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#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) |
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#define VALID_PAGE(page) ((page - mem_map) < max_mapnr) |
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#define PAGE_BUG(page) do { \ |
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BUG(); \
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} while (0) |
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#endif |
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#endif |
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#endif |
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