segment.h File Reference

#include <linux/const.h>
#include <asm/cache.h>

Go to the source code of this file.

Macros
#define	GDT_ENTRY(flags, base, limit)
#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	GDT_ENTRY_BOOT_TSS   (GDT_ENTRY_BOOT_CS + 2)
#define	__BOOT_TSS   (GDT_ENTRY_BOOT_TSS * 8)
#define	GDT_ENTRY_KERNEL32_CS   1
#define	GDT_ENTRY_KERNEL_CS   2
#define	GDT_ENTRY_KERNEL_DS   3
#define	__KERNEL32_CS   (GDT_ENTRY_KERNEL32_CS * 8)
#define	GDT_ENTRY_DEFAULT_USER32_CS   4
#define	GDT_ENTRY_DEFAULT_USER_DS   5
#define	GDT_ENTRY_DEFAULT_USER_CS   6
#define	__USER32_CS   (GDT_ENTRY_DEFAULT_USER32_CS*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_PER_CPU   15 /* Abused to load per CPU data from limit */
#define	__PER_CPU_SEG   (GDT_ENTRY_PER_CPU * 8 + 3)
#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	GDT_ENTRIES   16
#define	__KERNEL_CS   (GDT_ENTRY_KERNEL_CS*8)
#define	__KERNEL_DS   (GDT_ENTRY_KERNEL_DS*8)
#define	__USER_DS   (GDT_ENTRY_DEFAULT_USER_DS*8+3)
#define	__USER_CS   (GDT_ENTRY_DEFAULT_USER_CS*8+3)
#define	get_kernel_rpl()   0
#define	USER_RPL   0x3
#define	SEGMENT_LDT   0x4
#define	SEGMENT_GDT   0x0
#define	SEGMENT_RPL_MASK   0x3
#define	SEGMENT_TI_MASK   0x4
#define	IDT_ENTRIES   256
#define	NUM_EXCEPTION_VECTORS   32
#define	EXCEPTION_ERRCODE_MASK   0x00027d00
#define	GDT_SIZE   (GDT_ENTRIES * 8)
#define	GDT_ENTRY_TLS_ENTRIES   3
#define	TLS_SIZE   (GDT_ENTRY_TLS_ENTRIES * 8)

Macro Definition Documentation

#define __BOOT_CS   (GDT_ENTRY_BOOT_CS * 8)

Definition at line 18 of file segment.h.

#define __BOOT_DS   (GDT_ENTRY_BOOT_DS * 8)

Definition at line 21 of file segment.h.

#define __BOOT_TSS   (GDT_ENTRY_BOOT_TSS * 8)

Definition at line 24 of file segment.h.

#define __KERNEL32_CS   (GDT_ENTRY_KERNEL32_CS * 8)

Definition at line 154 of file segment.h.

#define __KERNEL_CS   (GDT_ENTRY_KERNEL_CS*8)

Definition at line 187 of file segment.h.

#define __KERNEL_DS   (GDT_ENTRY_KERNEL_DS*8)

Definition at line 188 of file segment.h.

#define __PER_CPU_SEG   (GDT_ENTRY_PER_CPU * 8 + 3)

Definition at line 174 of file segment.h.

#define __USER32_CS   (GDT_ENTRY_DEFAULT_USER32_CS*8+3)

Definition at line 165 of file segment.h.

#define __USER32_DS   __USER_DS

Definition at line 166 of file segment.h.

#define __USER_CS   (GDT_ENTRY_DEFAULT_USER_CS*8+3)

Definition at line 190 of file segment.h.

#define __USER_DS   (GDT_ENTRY_DEFAULT_USER_DS*8+3)

Definition at line 189 of file segment.h.

#define EXCEPTION_ERRCODE_MASK   0x00027d00

Definition at line 209 of file segment.h.

#define FS_TLS   0

Definition at line 177 of file segment.h.

#define FS_TLS_SEL   ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3)

Definition at line 181 of file segment.h.

#define GDT_ENTRIES   16

Definition at line 183 of file segment.h.

#define GDT_ENTRY	(		flags,
			base,
			limit
	)

Value:

((((base)  & _AC(0xff000000,ULL)) << (56-24)) | \
     (((flags) & _AC(0x0000f0ff,ULL)) << 40) |  \
     (((limit) & _AC(0x000f0000,ULL)) << (48-16)) | \
     (((base)  & _AC(0x00ffffff,ULL)) << 16) |  \
     (((limit) & _AC(0x0000ffff,ULL))))

Definition at line 8 of file segment.h.

#define GDT_ENTRY_BOOT_CS   2

Definition at line 17 of file segment.h.

#define GDT_ENTRY_BOOT_DS   (GDT_ENTRY_BOOT_CS + 1)

Definition at line 20 of file segment.h.

#define GDT_ENTRY_BOOT_TSS   (GDT_ENTRY_BOOT_CS + 2)

Definition at line 23 of file segment.h.

#define GDT_ENTRY_DEFAULT_USER32_CS   4

Definition at line 162 of file segment.h.

#define GDT_ENTRY_DEFAULT_USER_CS   6

Definition at line 164 of file segment.h.

#define GDT_ENTRY_DEFAULT_USER_DS   5

Definition at line 163 of file segment.h.

#define GDT_ENTRY_KERNEL32_CS   1

Definition at line 150 of file segment.h.

#define GDT_ENTRY_KERNEL_CS   2

Definition at line 151 of file segment.h.

#define GDT_ENTRY_KERNEL_DS   3

Definition at line 152 of file segment.h.

#define GDT_ENTRY_LDT   10 /* needs two entries */

Definition at line 169 of file segment.h.

#define GDT_ENTRY_PER_CPU   15 /* Abused to load per CPU data from limit */

Definition at line 173 of file segment.h.

#define GDT_ENTRY_TLS_ENTRIES   3

Definition at line 211 of file segment.h.

#define GDT_ENTRY_TLS_MAX   14

Definition at line 171 of file segment.h.

#define GDT_ENTRY_TLS_MIN   12

Definition at line 170 of file segment.h.

#define GDT_ENTRY_TSS   8 /* needs two entries */

Definition at line 168 of file segment.h.

#define GDT_SIZE   (GDT_ENTRIES * 8)

Definition at line 210 of file segment.h.

#define get_kernel_rpl

(

)

0

Definition at line 192 of file segment.h.

#define GS_TLS   1

Definition at line 178 of file segment.h.

#define GS_TLS_SEL   ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3)

Definition at line 180 of file segment.h.

#define IDT_ENTRIES   256

Definition at line 206 of file segment.h.

#define NUM_EXCEPTION_VECTORS   32

Definition at line 207 of file segment.h.

#define SEGMENT_GDT   0x0

Definition at line 199 of file segment.h.

#define SEGMENT_LDT   0x4

Definition at line 198 of file segment.h.

#define SEGMENT_RPL_MASK   0x3

Definition at line 202 of file segment.h.

#define SEGMENT_TI_MASK   0x4

Definition at line 204 of file segment.h.

#define TLS_SIZE   (GDT_ENTRY_TLS_ENTRIES * 8)

Definition at line 212 of file segment.h.

#define USER_RPL   0x3

Definition at line 196 of file segment.h.