gdt.h File Reference

Go to the source code of this file.

Data Structures
union	descriptorTableUnion
struct	gdtDescriptor
struct	gdtGate
Defines
#define	dCall   0x0C00
#define	dCode   0x1800
#define	dData   0x1000
#define	dInt   0x0E00
#define	dLdt   0x200
#define	dTask   0x500
#define	dTrap   0x0F00
#define	dTss   0x900
#define	dDpl3   0x6000
#define	dDpl2   0x4000
#define	dDpl1   0x2000
#define	dPresent   0x8000
#define	dNpresent   0x8000
#define	dAcc   0x100
#define	dWrite   0x200
#define	dRead   0x200
#define	dBusy   0xB00
#define	dEexdown   0x400
#define	dConform   0x400
#define	dBig   0x40
#define	dBiglim   0x80
#define	ubixDescriptorTable(name, length)   union descriptorTableUnion name[length] =
#define	ubixStandardDescriptor(base, limit, control)
#define	ubixGateDescriptor(offset, selector, control)
Variables
gdtDescriptor	packed

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Define Documentation

#define dAcc   0x100

#define dBig   0x40

#define dBiglim   0x80

#define dBusy   0xB00

#define dCall   0x0C00

#define dCode   0x1800

#define dConform   0x400

#define dData   0x1000

#define dDpl1   0x2000

#define dDpl2   0x4000

#define dDpl3   0x6000

#define dEexdown   0x400

#define dInt   0x0E00

#define dLdt   0x200

#define dNpresent   0x8000

#define dPresent   0x8000

#define dRead   0x200

#define dTask   0x500

#define dTrap   0x0F00

#define dTss   0x900

#define dWrite   0x200

#define ubixDescriptorTable (  name, length   )     union descriptorTableUnion name[length] =

#define ubixGateDescriptor (  offset, selector, control   )

Value: {gate: {(offset & 0xffff), selector, \ (control+dPresent), (offset >> 16) }}

#define ubixStandardDescriptor (  base, limit, control   )

Value: {descriptor: \ {(limit & 0xffff), \ (base & 0xffff), \ ((base >> 16) & 0xff), \ ((control+dPresent) >> 8), \ (limit >> 16), \ ((control & 0xff) >> 4), \ (base >> 24)}}

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Variable Documentation

struct gdtGate packed

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