gdt.h File Reference

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Data Structures
union	descriptorTableUnion
struct	gdtDescriptor
struct	gdtGate
Defines
#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	dDpl0   0x0000
#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)
#define	ubixStandardDescriptor(base, limit, control)
Variables
gdtGate	packed
gdtDescriptor	packed
descriptorTableUnion	ubixGDT [9]

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Define Documentation

#define dAcc   0x100

Definition at line 50 of file gdt.h.

#define dBig   0x40

Definition at line 56 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dBiglim   0x80

Definition at line 57 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dBusy   0xB00

Definition at line 53 of file gdt.h.

#define dCall   0x0C00

Definition at line 34 of file gdt.h.

#define dCode   0x1800

Definition at line 35 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dConform   0x400

Definition at line 55 of file gdt.h.

#define dData   0x1000

Definition at line 36 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dDpl0   0x0000

Definition at line 47 of file gdt.h.

Referenced by atkbd_init(), idt_init(), and ne2k_init().

#define dDpl1   0x2000

Definition at line 46 of file gdt.h.

#define dDpl2   0x4000

Definition at line 45 of file gdt.h.

#define dDpl3   0x6000

Definition at line 44 of file gdt.h.

Referenced by idt_init(), initLNC(), mouseInit(), and ubixDescriptorTable().

#define dEexdown   0x400

Definition at line 54 of file gdt.h.

#define dInt   0x0E00

Definition at line 37 of file gdt.h.

Referenced by atkbd_init(), fdc_init(), idt_init(), initLNC(), mouseInit(), and ne2k_init().

#define dLdt   0x200

Definition at line 38 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dNpresent   0x8000

Definition at line 49 of file gdt.h.

#define dPresent   0x8000

Definition at line 48 of file gdt.h.

Referenced by atkbd_init(), fdc_init(), idt_init(), initLNC(), mouseInit(), and ne2k_init().

#define dRead   0x200

Definition at line 52 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dTask   0x500

Definition at line 39 of file gdt.h.

Referenced by idt_init().

#define dTrap   0x0F00

Definition at line 40 of file gdt.h.

Referenced by idt_init().

#define dTss   0x900

Definition at line 41 of file gdt.h.

Referenced by ubixDescriptorTable().

#define dWrite   0x200

Definition at line 51 of file gdt.h.

Referenced by ubixDescriptorTable().

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

Definition at line 84 of file gdt.h.

#define ubixGateDescriptor	(	offset,
		selector,
		control		)

Value:

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

Definition at line 93 of file gdt.h.

#define ubixStandardDescriptor	(	base,
		limit,
		control		)

Value:

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

Definition at line 85 of file gdt.h.

Referenced by ubixDescriptorTable().

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Variable Documentation

struct gdtGate packed

struct gdtDescriptor packed

union descriptorTableUnion ubixGDT[9]

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