rulimine/common/mm/vmm.h
2022-02-03 10:38:43 +01:00

27 lines
534 B
C

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