2019-02-09 12:52:45 -06:00
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#ifndef PAGING_H
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#define PAGING_H
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#include <stdint.h>
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#include "paging_helpers.h"
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#define NUM_KERN_DIRS 4
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#define KERN_VIRT_START 0xC0000000
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#define KERN_PHYS_START 0x0
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extern uint32_t page_directory[1024];
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extern uint32_t page_tables[1048576];
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void alloc_pages(void* virt_addr_ptr,void* phys_addr_ptr,int num_pages,char usr,char wr,uint32_t* page_directory,uint32_t* page_tables);
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void* alloc_kern_pages(int num_pages,char wr);
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int dir_entry_present(int entry);
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void* virt_to_phys(void* virt_addr_ptr);
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2019-02-09 13:05:13 -06:00
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void paging_init();
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2019-02-09 12:52:45 -06:00
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#endif
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