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30 lines
580 B
C
30 lines
580 B
C
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// 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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* Provides functions to handle physical memory page mapping into virtual
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* memory.
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*
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* Copyright (C) 2020 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_framebuffer(uintptr_t base_addr, size_t size);
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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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