27 lines
958 B
C
27 lines
958 B
C
/*
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* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU)
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* OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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*/
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#pragma once
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#include <common/types.h>
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#include <common/util.h>
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u64 size_to_page_order(size_t size);
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void *kmalloc(size_t size);
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/* zero the allocated are */
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void *kzalloc(size_t size);
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void kfree(void *ptr);
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/* return vaddr of (1 << order) continous free physical pages */
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void *get_pages(int order);
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void free_pages(void *addr);
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