33 lines
1000 B
C
33 lines
1000 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/vars.h>
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#include <common/types.h>
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#include <common/mmu.h>
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#define PAGE_SIZE (0x1000)
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void mm_init();
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void set_page_table(paddr_t pgtbl);
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static inline bool is_user_addr(vaddr_t vaddr)
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{
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return vaddr < KBASE;
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}
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static inline bool is_user_addr_range(vaddr_t vaddr, size_t len)
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{
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return (vaddr + len >= vaddr) && is_user_addr(vaddr + len);
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}
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