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21 lines
304 B
21 lines
304 B
#ifndef _HEAD_H
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#define _HEAD_H
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typedef struct desc_struct {
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unsigned long a,b;
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} desc_table[256];
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extern unsigned long pg_dir[1024];
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extern desc_table idt,gdt;
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#define GDT_NUL 0
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#define GDT_CODE 1
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#define GDT_DATA 2
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#define GDT_TMP 3
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#define LDT_NUL 0
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#define LDT_CODE 1
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#define LDT_DATA 2
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#endif
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