diff options
Diffstat (limited to 'include/asm-um/host_ldt-i386.h')
-rw-r--r-- | include/asm-um/host_ldt-i386.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-um/host_ldt-i386.h b/include/asm-um/host_ldt-i386.h new file mode 100644 index 000000000000..b27cb0a9dd30 --- /dev/null +++ b/include/asm-um/host_ldt-i386.h | |||
@@ -0,0 +1,34 @@ | |||
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 | ||