00001 #ifndef _LINUX_HEAD_H 00002 #define _LINUX_HEAD_H 00003 00004 typedef struct desc_struct { 00005 unsigned long a,b; 00006 } desc_table[256]; 00007 00008 extern unsigned long swapper_pg_dir[1024]; 00009 extern desc_table idt,gdt; 00010 00011 #define GDT_NUL 0 00012 #define GDT_CODE 1 00013 #define GDT_DATA 2 00014 #define GDT_TMP 3 00015 00016 #define LDT_NUL 0 00017 #define LDT_CODE 1 00018 #define LDT_DATA 2 00019 00020 #endif
1.4.6-5