| 0,0 → 1,72 |
|---|
| /* |
| * Copyright (c) 2001-2004 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup genericmm |
| * @{ |
| */ |
| /** @file |
| */ |
| |
| #ifndef KERN_PAGE_H_ |
| #define KERN_PAGE_H_ |
| |
| #include <arch/types.h> |
| #include <mm/as.h> |
| #include <memstr.h> |
| |
| /** |
| * Macro for computing page color. |
| */ |
| #define PAGE_COLOR(va) (((va) >> PAGE_WIDTH) & ((1 << PAGE_COLOR_BITS) - 1)) |
| |
| /** Operations to manipulate page mappings. */ |
| typedef struct { |
| void (* mapping_insert)(as_t *as, uintptr_t page, uintptr_t frame, |
| int flags); |
| void (* mapping_remove)(as_t *as, uintptr_t page); |
| pte_t *(* mapping_find)(as_t *as, uintptr_t page); |
| } page_mapping_operations_t; |
| |
| extern page_mapping_operations_t *page_mapping_operations; |
| |
| extern void page_init(void); |
| extern void page_table_lock(as_t *as, bool lock); |
| extern void page_table_unlock(as_t *as, bool unlock); |
| extern void page_mapping_insert(as_t *as, uintptr_t page, uintptr_t frame, |
| int flags); |
| extern void page_mapping_remove(as_t *as, uintptr_t page); |
| extern pte_t *page_mapping_find(as_t *as, uintptr_t page); |
| extern pte_t *page_table_create(int flags); |
| extern void page_table_destroy(pte_t *page_table); |
| extern void map_structure(uintptr_t s, size_t size); |
| extern uintptr_t hw_map(uintptr_t physaddr, size_t size); |
| |
| #endif |
| |
| /** @} |
| */ |