diff options
Diffstat (limited to 'include/asm-x86_64/segment.h')
| -rw-r--r-- | include/asm-x86_64/segment.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h deleted file mode 100644 index 04b8ab21328f..000000000000 --- a/include/asm-x86_64/segment.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _ASM_SEGMENT_H -#define _ASM_SEGMENT_H - -#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 - -#define __KERNEL32_CS 0x08 - -/* - * we cannot use the same code segment descriptor for user and kernel - * -- not even in the long flat mode, because of different DPL /kkeil - * The segment offset needs to contain a RPL. Grr. -AK - * GDT layout to get 64bit syscall right (sysret hardcodes gdt offsets) - */ - -#define __USER32_CS 0x23 /* 4*8+3 */ -#define __USER_DS 0x2b /* 5*8+3 */ -#define __USER_CS 0x33 /* 6*8+3 */ -#define __USER32_DS __USER_DS - -#define GDT_ENTRY_TSS 8 /* needs two entries */ -#define GDT_ENTRY_LDT 10 /* needs two entries */ -#define GDT_ENTRY_TLS_MIN 12 -#define GDT_ENTRY_TLS_MAX 14 - -#define GDT_ENTRY_TLS_ENTRIES 3 - -#define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */ -#define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3) - -/* TLS indexes for 64bit - hardcoded in arch_prctl */ -#define FS_TLS 0 -#define GS_TLS 1 - -#define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3) -#define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3) - -#define IDT_ENTRIES 256 -#define GDT_ENTRIES 16 -#define GDT_SIZE (GDT_ENTRIES * 8) -#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8) - -#endif |
