27 lines
534 B
C
27 lines
534 B
C
#ifndef __MM__VMM_H__
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#define __MM__VMM_H__
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#include <stdint.h>
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#include <stdbool.h>
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#define VMM_FLAG_PRESENT ((uint64_t)1 << 0)
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#define VMM_FLAG_WRITE ((uint64_t)1 << 1)
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#define VMM_FLAG_NOEXEC ((uint64_t)1 << 63)
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typedef struct {
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int levels;
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void *top_level;
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} pagemap_t;
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enum page_size {
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Size4KiB,
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Size2MiB,
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Size1GiB
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};
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void vmm_assert_nx(void);
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pagemap_t new_pagemap(int lv);
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void map_page(pagemap_t pagemap, uint64_t virt_addr, uint64_t phys_addr, uint64_t flags, enum page_size page_size);
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#endif
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