diff options
Diffstat (limited to 'phys.h')
-rw-r--r-- | phys.h | 66 |
1 files changed, 0 insertions, 66 deletions
@@ -1,66 +0,0 @@ -/* - * Copyright (c) 2011 Richard Braun. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * - * 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. - * - * - * Page allocator. - */ - -#ifndef _PHYS_H -#define _PHYS_H - -#include "list.h" - -/* - * Physical address. - */ -typedef unsigned long phys_paddr_t; - -/* - * Memory range size. - */ -typedef unsigned long phys_size_t; - -/* - * Page descriptor. - */ -struct phys_page { - struct list node; - struct phys_seg *seg; - phys_paddr_t phys_addr; - unsigned int level; -}; - -void phys_setup(void); - -struct phys_page * phys_alloc_pages(phys_size_t size); - -void phys_free_pages(struct phys_page *page, phys_size_t size); - -phys_paddr_t phys_alloc(phys_size_t size); - -void phys_free(phys_paddr_t pa, phys_size_t size); - -void phys_info(void); - -#endif /* _PHYS_H */ |