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feature: enable paging and load page directory

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This commit is contained in:
0x35c
2024-09-18 17:14:06 +02:00
parent 65a59534b4
commit ddf3cfff68
5 changed files with 74 additions and 4 deletions
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29
headers/memory.h Normal file
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#pragma once
#include <stdint.h>
#define NOT_PRESENT (1 << 0)
#define RW (1 << 1)
#define SUPERVISOR (0 << 2)
#define INIT_FLAGS (NOT_PRESENT | RW | SUPERVISOR)
struct page_directory_entry {
uint32_t present : 1;
uint32_t rw : 1;
uint32_t user : 1;
uint32_t page_size : 1;
uint32_t unused : 8;
uint32_t frame : 20;
};
struct page_table_entry {
uint32_t present : 1;
uint32_t rw : 1;
uint32_t user : 1;
uint32_t accessed : 1;
uint32_t dirty : 1;
uint32_t unused : 7;
uint32_t frame : 20;
};
void init_memory(void);