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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-22 09:06:21 +0200 |
| commit | 76c3bb15d6786a0b8da0ad0090e0c9c3672fc08b (patch) | |
| tree | 3824e008db9d554229a70c85fbbc13238276bd7a /include/asm-x86/segment.h | |
| parent | 7be42004065ce4df193aeef5befd26805267d0d9 (diff) | |
| parent | 93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff) | |
Merge branch 'linus' into x86/x2apic
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 @@ #ifndef _ASM_X86_SEGMENT_H_ #define _ASM_X86_SEGMENT_H_ +/* Constructor for a conventional segment GDT (or LDT) entry */ +/* This is a macro so it can be used in initializers */ +#define GDT_ENTRY(flags, base, limit) \ + ((((base) & 0xff000000ULL) << (56-24)) | \ + (((flags) & 0x0000f0ffULL) << 40) | \ + (((limit) & 0x000f0000ULL) << (48-16)) | \ + (((base) & 0x00ffffffULL) << 16) | \ + (((limit) & 0x0000ffffULL))) + /* Simple and small GDT entries for booting only */ #define GDT_ENTRY_BOOT_CS 2 |