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5211b67e6c
This will avoid unnecessary remapping of the ACPI tables if they are located in the third GB of memory.
33 lines
622 B
C
33 lines
622 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef VMEM_H
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#define VMEM_H
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/**
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* \file
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*
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* Provides functions to handle physical memory page mapping into virtual
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* memory.
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*
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*//*
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* Copyright (C) 2020-2022 Martin Whitaker.
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*/
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "memsize.h"
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#define VM_WINDOW_SIZE PAGE_C(1,GB)
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uintptr_t map_region(uintptr_t base_addr, size_t size, bool only_for_startup);
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bool map_window(uintptr_t start_page);
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void *first_word_mapping(uintptr_t page);
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void *last_word_mapping(uintptr_t page, size_t word_size);
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uintptr_t page_of(void *addr);
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#endif // VMEM_H
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