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x86: <asm/segment.h>: boot GDT entries are 32/64-independent

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The boot GDT entries are common between 32- and 64-bit mode, so move
them to common code instead of having two identical copies.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
H. Peter Anvin 2008-01-30 13:33:01 +01:00 committed by Ingo Molnar
parent 1017579a8c
commit 2a6648e65a
2 changed files with 8 additions and 17 deletions
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24
include/asm-x86/segment.h
View file

@ -1,6 +1,14 @@
#ifndef _ASM_X86_SEGMENT_H_
#define _ASM_X86_SEGMENT_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)
#ifdef CONFIG_X86_32
/*
* The layout of the per-CPU GDT under Linux:
@ -86,14 +94,6 @@
*/
#define GDT_ENTRIES 32
/* 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)
/* The PnP BIOS entries in the GDT */
#define GDT_ENTRY_PNPBIOS_CS32 (GDT_ENTRY_PNPBIOS_BASE + 0)
#define GDT_ENTRY_PNPBIOS_CS16 (GDT_ENTRY_PNPBIOS_BASE + 1)
@ -136,14 +136,6 @@
#else
#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
include/asm-x86/segment_32.h
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@ -1 +0,0 @@