diff options
Diffstat (limited to 'include/asm-x86_64/segment.h')
-rw-r--r-- | include/asm-x86_64/segment.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h deleted file mode 100644 index 04b8ab21328f..000000000000 --- a/include/asm-x86_64/segment.h +++ /dev/null | |||
@@ -1,53 +0,0 @@ | |||
1 | #ifndef _ASM_SEGMENT_H | ||
2 | #define _ASM_SEGMENT_H | ||
3 | |||
4 | #include <asm/cache.h> | ||
5 | |||
6 | /* Simple and small GDT entries for booting only */ | ||
7 | |||
8 | #define GDT_ENTRY_BOOT_CS 2 | ||
9 | #define __BOOT_CS (GDT_ENTRY_BOOT_CS * 8) | ||
10 | |||
11 | #define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1) | ||
12 | #define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8) | ||
13 | |||
14 | #define __KERNEL_CS 0x10 | ||
15 | #define __KERNEL_DS 0x18 | ||
16 | |||
17 | #define __KERNEL32_CS 0x08 | ||
18 | |||
19 | /* | ||
20 | * we cannot use the same code segment descriptor for user and kernel | ||
21 | * -- not even in the long flat mode, because of different DPL /kkeil | ||
22 | * The segment offset needs to contain a RPL. Grr. -AK | ||
23 | * GDT layout to get 64bit syscall right (sysret hardcodes gdt offsets) | ||
24 | */ | ||
25 | |||
26 | #define __USER32_CS 0x23 /* 4*8+3 */ | ||
27 | #define __USER_DS 0x2b /* 5*8+3 */ | ||
28 | #define __USER_CS 0x33 /* 6*8+3 */ | ||
29 | #define __USER32_DS __USER_DS | ||
30 | |||
31 | #define GDT_ENTRY_TSS 8 /* needs two entries */ | ||
32 | #define GDT_ENTRY_LDT 10 /* needs two entries */ | ||
33 | #define GDT_ENTRY_TLS_MIN 12 | ||
34 | #define GDT_ENTRY_TLS_MAX 14 | ||
35 | |||
36 | #define GDT_ENTRY_TLS_ENTRIES 3 | ||
37 | |||
38 | #define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */ | ||
39 | #define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3) | ||
40 | |||
41 | /* TLS indexes for 64bit - hardcoded in arch_prctl */ | ||
42 | #define FS_TLS 0 | ||
43 | #define GS_TLS 1 | ||
44 | |||
45 | #define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3) | ||
46 | #define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3) | ||
47 | |||
48 | #define IDT_ENTRIES 256 | ||
49 | #define GDT_ENTRIES 16 | ||
50 | #define GDT_SIZE (GDT_ENTRIES * 8) | ||
51 | #define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) | ||
52 | |||
53 | #endif | ||