1#ifndef __ASM_HOST_LDT_I386_H 2#define __ASM_HOST_LDT_I386_H 3 4#include "asm/arch/ldt.h" 5 6/* 7 * macros stolen from include/asm-i386/desc.h 8 */ 9#define LDT_entry_a(info) \ 10 ((((info)->base_addr & 0x0000ffff) << 16) | ((info)->limit & 0x0ffff)) 11 12#define LDT_entry_b(info) \ 13 (((info)->base_addr & 0xff000000) | \ 14 (((info)->base_addr & 0x00ff0000) >> 16) | \ 15 ((info)->limit & 0xf0000) | \ 16 (((info)->read_exec_only ^ 1) << 9) | \ 17 ((info)->contents << 10) | \ 18 (((info)->seg_not_present ^ 1) << 15) | \ 19 ((info)->seg_32bit << 22) | \ 20 ((info)->limit_in_pages << 23) | \ 21 ((info)->useable << 20) | \ 22 0x7000) 23 24#define LDT_empty(info) (\ 25 (info)->base_addr == 0 && \ 26 (info)->limit == 0 && \ 27 (info)->contents == 0 && \ 28 (info)->read_exec_only == 1 && \ 29 (info)->seg_32bit == 0 && \ 30 (info)->limit_in_pages == 0 && \ 31 (info)->seg_not_present == 1 && \ 32 (info)->useable == 0 ) 33 34#endif 35