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| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 07:54:08 -0400 |
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-07-27 07:54:08 -0400 |
| commit | eda3d8f5604860aae1bb9996bb5efc4213778369 (patch) | |
| tree | 9d3887d2665bcc5f5abf200758794545c7b2c69b /include/asm-x86/segment.h | |
| parent | 87a9f704658a40940e740b1d73d861667e9164d3 (diff) | |
| parent | 8be1a6d6c77ab4532e4476fdb8177030ef48b52c (diff) | |
Merge commit 'upstream/master'
Diffstat (limited to 'include/asm-x86/segment.h')
| -rw-r--r-- | include/asm-x86/segment.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h index dfc8601c0892..646452ea9ea3 100644 --- a/include/asm-x86/segment.h +++ b/include/asm-x86/segment.h | |||
| @@ -1,6 +1,15 @@ | |||
| 1 | #ifndef _ASM_X86_SEGMENT_H_ | 1 | #ifndef _ASM_X86_SEGMENT_H_ |
| 2 | #define _ASM_X86_SEGMENT_H_ | 2 | #define _ASM_X86_SEGMENT_H_ |
| 3 | 3 | ||
| 4 | /* Constructor for a conventional segment GDT (or LDT) entry */ | ||
| 5 | /* This is a macro so it can be used in initializers */ | ||
| 6 | #define GDT_ENTRY(flags, base, limit) \ | ||
| 7 | ((((base) & 0xff000000ULL) << (56-24)) | \ | ||
| 8 | (((flags) & 0x0000f0ffULL) << 40) | \ | ||
| 9 | (((limit) & 0x000f0000ULL) << (48-16)) | \ | ||
| 10 | (((base) & 0x00ffffffULL) << 16) | \ | ||
| 11 | (((limit) & 0x0000ffffULL))) | ||
| 12 | |||
| 4 | /* Simple and small GDT entries for booting only */ | 13 | /* Simple and small GDT entries for booting only */ |
| 5 | 14 | ||
| 6 | #define GDT_ENTRY_BOOT_CS 2 | 15 | #define GDT_ENTRY_BOOT_CS 2 |