23 lines
732 B
C
23 lines
732 B
C
#pragma once
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#include <types.h>
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#include "pager.h"
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#include "asm/mm.h"
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#include "asm_config.h"
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#define PAGE_DEEP 4
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typedef struct page_entry
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{
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pte_t *dir; //!< 存储页表地址
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uint8_t lv_shift_sizes[PAGE_DEEP]; //!< 页表翻译的大小，order
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uint8_t depth; //!< 页表深度
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} page_entry_t;
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pte_t *pages_walk(page_entry_t *pdir, addr_t virt_addr, mword_t size, void *(*fn_alloc)(void));
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void map_mm(page_entry_t *pdir, addr_t virt_addr, addr_t phys_addr,
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mword_t page_order, mword_t pfn_cn, mword_t attr);
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void per_cpu_boot_mapping(bool_t init_pages);
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page_entry_t *boot_get_pdir(void);
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void knl_pdir_init(page_entry_t *pdir, pte_t *dir, int page_deep);
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