descdate.h: Descriptor/Gate functions
[platform dependant portions (intel i386+)]

Data Structures
struct	_Descriptor
struct	_Gate
Defines
#define	D_LDT   0x200
#define	D_TASK   0x500
#define	D_TSS   0x900
#define	D_CALL   0x0C00
#define	D_INT   0x0E00
#define	D_TRAP   0x0F00
#define	D_DATA   0x1000
#define	D_CODE   0x1800
#define	D_DPL3   0x6000
#define	D_DPL2   0x4000
#define	D_DPL1   0x2000
#define	D_PRESENT   0x8000
#define	D_NOT_PRESENT   0x8000
#define	D_ACC   0x100
#define	D_WRITE   0x200
#define	D_READ   0x200
#define	D_BUSY   0x200
#define	D_EXDOWN   0x400
#define	D_CONFORM   0x400
#define	D_BIG   0x40
#define	D_BIG_LIM   0x80
Typedefs
typedef _Descriptor	Descriptor
typedef _Gate	Gate
Functions
void	createDescriptor (Array *table, short desc_num, long base, long limit, long control)
void	createGate (Array *table, short gate_num, long offset, short selector, long control)
Variables
_Descriptor	packed

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Detailed Description

 *  *  * Functions for working with Intel descriptors and gates

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Define Documentation

#define D_ACC   0x100

Definition at line 47 of file descgate.h.

#define D_BIG   0x40

Definition at line 53 of file descgate.h.

#define D_BIG_LIM   0x80

Definition at line 54 of file descgate.h.

#define D_BUSY   0x200

Definition at line 50 of file descgate.h.

#define D_CALL   0x0C00

Definition at line 33 of file descgate.h.

#define D_CODE   0x1800

Definition at line 37 of file descgate.h.

#define D_CONFORM   0x400

Definition at line 52 of file descgate.h.

#define D_DATA   0x1000

Definition at line 36 of file descgate.h.

#define D_DPL1   0x2000

Definition at line 42 of file descgate.h.

#define D_DPL2   0x4000

Definition at line 41 of file descgate.h.

#define D_DPL3   0x6000

Definition at line 40 of file descgate.h.

#define D_EXDOWN   0x400

Definition at line 51 of file descgate.h.

#define D_INT   0x0E00

Definition at line 34 of file descgate.h.

#define D_LDT   0x200

Definition at line 30 of file descgate.h.

#define D_NOT_PRESENT   0x8000

Definition at line 44 of file descgate.h.

#define D_PRESENT   0x8000

Definition at line 43 of file descgate.h.

#define D_READ   0x200

Definition at line 49 of file descgate.h.

#define D_TASK   0x500

Definition at line 31 of file descgate.h.

#define D_TRAP   0x0F00

Definition at line 35 of file descgate.h.

#define D_TSS   0x900

Definition at line 32 of file descgate.h.

#define D_WRITE   0x200

Definition at line 48 of file descgate.h.

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Typedef Documentation

typedef struct _Descriptor Descriptor

Definition at line 23 of file descgate.h.

typedef struct _Gate Gate

Definition at line 24 of file descgate.h.

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Function Documentation

void createDescriptor (  Array *  table, short  desc_num, long  base, long  limit, long  control )

void createGate (  Array *  table, short  gate_num, long  offset, short  selector, long  control )

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Variable Documentation

struct _Gate packed

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