Paolo 'Blaisorblade' Giarrusso | fbdf216 | 2006-03-31 02:30:19 -0800 | [diff] [blame] | 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 |