segments.h File Reference

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Data Structures
struct	segment_descriptor
struct	gate_descriptor
union	descriptor
struct	region_descriptor
Defines
#define	ISRING(s)   ((s) & SEL_RPL)
#define	RING0   0
#define	RING1   1
#define	RING2   2
#define	RING3   3
#define	SEL_RPL   3
#define	ISLDT(s)   ((s) & SEL_LDT)
#define	SEL_LDT   4
#define	IDXSEL(s)   (((s) >> 3) & 0x1fff)
#define	GSEL(s, r)   (((s) << 3) | r)
#define	LSEL(s, r)   (((s) << 3) | r | SEL_LDT)
#define	USERMODE(c, f)   (ISPL(c) == SEL_UPL)
#define	KERNELMODE(c, f)   (ISPL(c) == SEL_KPL)
#define	SDT_SYSNULL   0
#define	SDT_SYS286TSS   1
#define	SDT_SYSLDT   2
#define	SDT_SYS286BSY   3
#define	SDT_SYS286CGT   4
#define	SDT_SYSTASKGT   5
#define	SDT_SYS286IGT   6
#define	SDT_SYS286TGT   7
#define	SDT_SYSNULL2   8
#define	SDT_SYS386TSS   9
#define	SDT_SYSNULL3   10
#define	SDT_SYS386BSY   11
#define	SDT_SYS386CGT   12
#define	SDT_SYSNULL4   13
#define	SDT_SYS386IGT   14
#define	SDT_SYS386TGT   15
#define	SDT_MEMRO   16
#define	SDT_MEMROA   17
#define	SDT_MEMRW   18
#define	SDT_MEMRWA   19
#define	SDT_MEMROD   20
#define	SDT_MEMRODA   21
#define	SDT_MEMRWD   22
#define	SDT_MEMRWDA   23
#define	SDT_MEME   24
#define	SDT_MEMEA   25
#define	SDT_MEMER   26
#define	SDT_MEMERA   27
#define	SDT_MEMEC   28
#define	SDT_MEMEAC   29
#define	SDT_MEMERC   30
#define	SDT_MEMERAC   31
#define	ISMEMSDP(s)
#define	IS286GDP(s)
#define	IS386GDP(s)
#define	ISGDP(s)   (IS286GDP(s) || IS386GDP(s))
#define	ISSDP(s)   (ISMEMSDP(s) || !ISGDP(s))
#define	ISSYSSDP(s)   (!ISMEMSDP(s) && !ISGDP(s))
#define	SEGEX_EXT   0x01
#define	SEGEX_IDT   0x02
#define	SEGEX_TI   0x04
#define	NIDT   256
#define	GNULL_IDXSEL   0
#define	GCODE_IDXSEL   1
#define	GDATA_IDXSEL   2
#define	GLDT_IDXSEL   3
#define	G1CODE_IDXSEL   4
#define	G1DATA_IDXSEL   5
#define	G2CODE_IDXSEL   6
#define	G2DATA_IDXSEL   7
#define	GUCODE_IDXSEL   8
#define	GUDATA_IDXSEL   9
#define	GBSTRAP_TSS_IDXSEL   15
#define	GKERN0_TSS_IDXSEL   16
#define	GKERN1_TSS_IDXSEL   17
#define	GKERN2_TSS_IDXSEL   18
#define	GKERN3_TSS_IDXSEL   19
#define	GKERN4_TSS_IDXSEL   20
#define	GKERN5_TSS_IDXSEL   21
#define	GKERN6_TSS_IDXSEL   22
#define	GKERN7_TSS_IDXSEL   23
#define	GCORE0_TSS_IDXSEL   24
#define	GCORE1_TSS_IDXSEL   25
#define	GCORE2_TSS_IDXSEL   26
#define	GCORE3_TSS_IDXSEL   27
#define	GCORE4_TSS_IDXSEL   28
#define	GCORE5_TSS_IDXSEL   29
#define	GCORE6_TSS_IDXSEL   30
#define	GCORE7_TSS_IDXSEL   31
#define	GTRAP0_TSS_IDXSEL   32
#define	GTRAP1_TSS_IDXSEL   33
#define	GTRAP2_TSS_IDXSEL   34
#define	GTRAP3_TSS_IDXSEL   35
#define	GTRAP4_TSS_IDXSEL   36
#define	GTRAP5_TSS_IDXSEL   37
#define	GTRAP6_TSS_IDXSEL   38
#define	GTRAP7_TSS_IDXSEL   39
#define	GPGFLT0_TSS_IDXSEL   40
#define	GPGFLT1_TSS_IDXSEL   41
#define	GPGFLT2_TSS_IDXSEL   42
#define	GPGFLT3_TSS_IDXSEL   43
#define	GPGFLT4_TSS_IDXSEL   44
#define	GPGFLT5_TSS_IDXSEL   45
#define	GPGFLT6_TSS_IDXSEL   46
#define	GPGFLT7_TSS_IDXSEL   47
#define	GDBLFLT0_TSS_IDXSEL   48
#define	GDBLFLT1_TSS_IDXSEL   49
#define	GDBLFLT2_TSS_IDXSEL   50
#define	GDBLFLT3_TSS_IDXSEL   51
#define	GDBLFLT4_TSS_IDXSEL   52
#define	GDBLFLT5_TSS_IDXSEL   53
#define	GDBLFLT6_TSS_IDXSEL   54
#define	GDBLFLT7_TSS_IDXSEL   55
#define	GSTRAY0_TSS_IDXSEL   56
#define	GSTRAY1_TSS_IDXSEL   57
#define	GSTRAY2_TSS_IDXSEL   58
#define	GSTRAY3_TSS_IDXSEL   59
#define	GSTRAY4_TSS_IDXSEL   60
#define	GSTRAY5_TSS_IDXSEL   61
#define	GSTRAY6_TSS_IDXSEL   62
#define	GSTRAY7_TSS_IDXSEL   63
#define	GBREAKPOINT0_TSS_IDXSEL   64
#define	GBREAKPOINT1_TSS_IDXSEL   65
#define	GBREAKPOINT2_TSS_IDXSEL   66
#define	GBREAKPOINT3_TSS_IDXSEL   67
#define	GBREAKPOINT4_TSS_IDXSEL   68
#define	GBREAKPOINT5_TSS_IDXSEL   69
#define	GBREAKPOINT6_TSS_IDXSEL   70
#define	GBREAKPOINT7_TSS_IDXSEL   71
#define	GIDLE0_TSS_IDXSEL   72
#define	GIDLE1_TSS_IDXSEL   73
#define	GIDLE2_TSS_IDXSEL   74
#define	GIDLE3_TSS_IDXSEL   75
#define	GIDLE4_TSS_IDXSEL   76
#define	GIDLE5_TSS_IDXSEL   77
#define	GIDLE6_TSS_IDXSEL   78
#define	GIDLE7_TSS_IDXSEL   79
#define	GSOFTSW0_TSS_IDXSEL   80
#define	GSOFTSW1_TSS_IDXSEL   81
#define	GSOFTSW2_TSS_IDXSEL   82
#define	GSOFTSW3_TSS_IDXSEL   83
#define	GSOFTSW4_TSS_IDXSEL   84
#define	GSOFTSW5_TSS_IDXSEL   85
#define	GSOFTSW6_TSS_IDXSEL   86
#define	GSOFTSW7_TSS_IDXSEL   87
#define	GFIRST_IDXSEL   88
Variables
segment_descriptor	packed
gate_descriptor	packed
descriptor	packed
region_descriptor	packed

---

Define Documentation

#define G1CODE_IDXSEL   4

#define G1DATA_IDXSEL   5

#define G2CODE_IDXSEL   6

#define G2DATA_IDXSEL   7

#define GBREAKPOINT0_TSS_IDXSEL   64

#define GBREAKPOINT1_TSS_IDXSEL   65

#define GBREAKPOINT2_TSS_IDXSEL   66

#define GBREAKPOINT3_TSS_IDXSEL   67

#define GBREAKPOINT4_TSS_IDXSEL   68

#define GBREAKPOINT5_TSS_IDXSEL   69

#define GBREAKPOINT6_TSS_IDXSEL   70

#define GBREAKPOINT7_TSS_IDXSEL   71

#define GBSTRAP_TSS_IDXSEL   15

#define GCODE_IDXSEL   1

#define GCORE0_TSS_IDXSEL   24

#define GCORE1_TSS_IDXSEL   25

#define GCORE2_TSS_IDXSEL   26

#define GCORE3_TSS_IDXSEL   27

#define GCORE4_TSS_IDXSEL   28

#define GCORE5_TSS_IDXSEL   29

#define GCORE6_TSS_IDXSEL   30

#define GCORE7_TSS_IDXSEL   31

#define GDATA_IDXSEL   2

#define GDBLFLT0_TSS_IDXSEL   48

#define GDBLFLT1_TSS_IDXSEL   49

#define GDBLFLT2_TSS_IDXSEL   50

#define GDBLFLT3_TSS_IDXSEL   51

#define GDBLFLT4_TSS_IDXSEL   52

#define GDBLFLT5_TSS_IDXSEL   53

#define GDBLFLT6_TSS_IDXSEL   54

#define GDBLFLT7_TSS_IDXSEL   55

#define GFIRST_IDXSEL   88

#define GIDLE0_TSS_IDXSEL   72

#define GIDLE1_TSS_IDXSEL   73

#define GIDLE2_TSS_IDXSEL   74

#define GIDLE3_TSS_IDXSEL   75

#define GIDLE4_TSS_IDXSEL   76

#define GIDLE5_TSS_IDXSEL   77

#define GIDLE6_TSS_IDXSEL   78

#define GIDLE7_TSS_IDXSEL   79

#define GKERN0_TSS_IDXSEL   16

#define GKERN1_TSS_IDXSEL   17

#define GKERN2_TSS_IDXSEL   18

#define GKERN3_TSS_IDXSEL   19

#define GKERN4_TSS_IDXSEL   20

#define GKERN5_TSS_IDXSEL   21

#define GKERN6_TSS_IDXSEL   22

#define GKERN7_TSS_IDXSEL   23

#define GLDT_IDXSEL   3

#define GNULL_IDXSEL   0

#define GPGFLT0_TSS_IDXSEL   40

#define GPGFLT1_TSS_IDXSEL   41

#define GPGFLT2_TSS_IDXSEL   42

#define GPGFLT3_TSS_IDXSEL   43

#define GPGFLT4_TSS_IDXSEL   44

#define GPGFLT5_TSS_IDXSEL   45

#define GPGFLT6_TSS_IDXSEL   46

#define GPGFLT7_TSS_IDXSEL   47

#define GSEL (  s, r   )     (((s) << 3) | r)

#define GSOFTSW0_TSS_IDXSEL   80

#define GSOFTSW1_TSS_IDXSEL   81

#define GSOFTSW2_TSS_IDXSEL   82

#define GSOFTSW3_TSS_IDXSEL   83

#define GSOFTSW4_TSS_IDXSEL   84

#define GSOFTSW5_TSS_IDXSEL   85

#define GSOFTSW6_TSS_IDXSEL   86

#define GSOFTSW7_TSS_IDXSEL   87

#define GSTRAY0_TSS_IDXSEL   56

#define GSTRAY1_TSS_IDXSEL   57

#define GSTRAY2_TSS_IDXSEL   58

#define GSTRAY3_TSS_IDXSEL   59

#define GSTRAY4_TSS_IDXSEL   60

#define GSTRAY5_TSS_IDXSEL   61

#define GSTRAY6_TSS_IDXSEL   62

#define GSTRAY7_TSS_IDXSEL   63

#define GTRAP0_TSS_IDXSEL   32

#define GTRAP1_TSS_IDXSEL   33

#define GTRAP2_TSS_IDXSEL   34

#define GTRAP3_TSS_IDXSEL   35

#define GTRAP4_TSS_IDXSEL   36

#define GTRAP5_TSS_IDXSEL   37

#define GTRAP6_TSS_IDXSEL   38

#define GTRAP7_TSS_IDXSEL   39

#define GUCODE_IDXSEL   8

#define GUDATA_IDXSEL   9

#define IDXSEL (  s   )     (((s) >> 3) & 0x1fff)

#define IS286GDP (  s   )

Value: ((s->d_type) >= SDT_SYS286CGT && \ (s->d_type) < SDT_SYS286TGT)

#define IS386GDP (  s   )

Value: ((s->d_type) >= SDT_SYS386CGT && \ (s->d_type) < SDT_SYS386TGT)

#define ISGDP (  s   )     (IS286GDP(s) || IS386GDP(s))

#define ISLDT (  s   )     ((s) & SEL_LDT)

#define ISMEMSDP (  s   )

Value: ((s->d_type) >= SDT_MEMRO && \ (s->d_type) <= SDT_MEMERAC)

#define ISRING (  s   )     ((s) & SEL_RPL)

#define ISSDP (  s   )     (ISMEMSDP(s) || !ISGDP(s))

#define ISSYSSDP (  s   )     (!ISMEMSDP(s) && !ISGDP(s))

#define KERNELMODE (  c, f   )     (ISPL(c) == SEL_KPL)

#define LSEL (  s, r   )     (((s) << 3) | r | SEL_LDT)

#define NIDT   256

#define RING0   0

#define RING1   1

#define RING2   2

#define RING3   3

#define SDT_MEME   24

#define SDT_MEMEA   25

#define SDT_MEMEAC   29

#define SDT_MEMEC   28

#define SDT_MEMER   26

#define SDT_MEMERA   27

#define SDT_MEMERAC   31

#define SDT_MEMERC   30

#define SDT_MEMRO   16

#define SDT_MEMROA   17

#define SDT_MEMROD   20

#define SDT_MEMRODA   21

#define SDT_MEMRW   18

#define SDT_MEMRWA   19

#define SDT_MEMRWD   22

#define SDT_MEMRWDA   23

#define SDT_SYS286BSY   3

#define SDT_SYS286CGT   4

#define SDT_SYS286IGT   6

#define SDT_SYS286TGT   7

#define SDT_SYS286TSS   1

#define SDT_SYS386BSY   11

#define SDT_SYS386CGT   12

#define SDT_SYS386IGT   14

#define SDT_SYS386TGT   15

#define SDT_SYS386TSS   9

#define SDT_SYSLDT   2

#define SDT_SYSNULL   0

#define SDT_SYSNULL2   8

#define SDT_SYSNULL3   10

#define SDT_SYSNULL4   13

#define SDT_SYSTASKGT   5

#define SEGEX_EXT   0x01

#define SEGEX_IDT   0x02

#define SEGEX_TI   0x04

#define SEL_LDT   4

#define SEL_RPL   3

#define USERMODE (  c, f   )     (ISPL(c) == SEL_UPL)

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Variable Documentation

struct region_descriptor packed

union descriptor packed

struct gate_descriptor packed

struct segment_descriptor packed

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