Commit 8afd2af8 authored Jul 11, 2007 by H. Peter Anvin Committed by Linus Torvalds Jul 12, 2007

x86-64: add symbolic constants for the boot segment selectors



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@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 77e1dd65

include/asm-x86_64/segment.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -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