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Message-Id: <9c629383add61d72f69fde427153cb6b57f22188.1184181208.git.hpa@zytor.com> Date: Wed, 11 Jul 2007 12:18:37 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: torvalds@...ux-foundation.org, andi@...stfloor.org, linux-kernel@...r.kernel.org Cc: "H. Peter Anvin" <hpa@...or.com> Subject: [x86 setup 12/33] x86-64: add symbolic constants for the boot segment selectors From: H. Peter Anvin <hpa@...or.com> Add symbolic constants for the segment selectors/GDT slots used by the setup code, for consistency with i386. Signed-off-by: H. Peter Anvin <hpa@...or.com> --- include/asm-x86_64/segment.h | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h index adf2bf1..04b8ab2 100644 --- a/include/asm-x86_64/segment.h +++ b/include/asm-x86_64/segment.h @@ -3,6 +3,14 @@ #include <asm/cache.h> +/* Simple and small GDT entries for booting only */ + +#define GDT_ENTRY_BOOT_CS 2 +#define __BOOT_CS (GDT_ENTRY_BOOT_CS * 8) + +#define GDT_ENTRY_BOOT_DS (GDT_ENTRY_BOOT_CS + 1) +#define __BOOT_DS (GDT_ENTRY_BOOT_DS * 8) + #define __KERNEL_CS 0x10 #define __KERNEL_DS 0x18 -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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