mirror of https://github.com/wolfSSL/wolfBoot.git
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* paging.h
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*
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* Copyright (C) 2023 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifdef WOLFBOOT_64BIT
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#include <stdint.h>
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/* build 1:1 virtual mapping in the range from 0 to top_address, return the root
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* of the memory mapping in the **cr3 register */
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int x86_paging_build_identity_mapping(uint64_t top_address,
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uint8_t *page_table);
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/* if not already mapped, map virtual address range (address, address + size)
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* using new physical memory */
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int x86_paging_map_range(uint64_t address, uint32_t size);
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int x86_paging_get_page_table_size();
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int x86_paging_set_page_table();
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#if !defined(BUILD_LOADER_STAGE1)
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int x86_paging_map_memory(uint64_t va, uint64_t pa, uint32_t size);
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int x86_paging_dump_info();
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#endif /* !BUILD_LOADER_STAGE1 */
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#endif /* WOLFBOOT_64BIT */
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